At very slow yard speeds only 2 to 3 pounds is needed while increasing to about 5 pounds at higher speeds. Or are you saying it will average 18-19 mph for the whole climb, San Bernardino to Summit. Or, where can one find out this information? horsepower (hp), and foot-pounds per minute. The following example shows how the tables and graphs can be used to quickly estimate the compressor brake horsepower requirement for a given set of conditions. Vince. hp to kilogram-force meter/minute hp to kilopond meter/minute It was a program that computed the required horsepower needed to pull a certain load like how many tons in a train pull. 0.00 The formulas below are used to determine the power requirements of a Bucket Elevator throughout the industry. Big Denny Derek. p is the efficiency of propeller. Belongs in category Power To other units Conversion table For your website Acceleration Angle Area Currency Data size Energy Force Length Power Pressure Speed These HP/ton ratings were used to protect the required schedules. At its simplist, HPT, or Horsepower Per Ton. this calculator shows that a person 170 cm tall and weighing 70 kg will produce a power output of 39.5 watts by doing 50 push-ups for 10 minutes. Here we can calculate for brake horsepower. In the example shown below, if die a is a 10 mm, 30 deg die with the v rated at 60 t/m when bending at 90 deg, and die b is rated at 46 t/m when bending at 30 deg, it appears that die a is stronger than die b. I want to calculate : The user must fill one of the two fields and the conversion will become automatically. 08-01-2008, 07:44 AM #2 beenthere Global Moderator Join Date Jan 2004 Location PA Posts 80,587 Post Likes Generally 12,000 BTUs = 1 HP. Bhp is the brake horsepower. 1 tons = 4.7162 horsepower Formula tons in horsepower (ton in hp). Hydraulic Horse Power (HPP) formula: HHP = P x Q 1714 P stands for pressure, pounds per square in. 2022 The user must fill one of the two fields and the conversion will become automatically. Mahindra Yuvraj 215 NXT - 15 Hp. Air conditioners move heat, and technicians describe their cooling capacities in terms of tons or BTUs. trains stall etc. It's a straightforward calculation that can be done in horsepower per pound or vice versa. For every ton of train weight in a grade, 20 pounds of tractive effort is needed for each 1% of slope. (0) The formula to calculate Rev. For the pickup truck, the calculation is as follows: PWR of pickup truck = 290 hp / 4069 lb = 0.071 hp/lb. For example, let's take a 5,000-pound boat powered by a 300 hp engine. So if you wanted to calculate the power-to-weight ratio of the Moon buggy, for example, you would use its mass rather than its weight as measured on the Moon, which would be one-sixth of that measured on Earth. Derek. It also has a very close function to 0-60 times ( see my post here ). How about 200 loads? . Motor vehicles perform mechanical work, and technicians describe their strength in terms of horsepower. Per Min (RPM) is: RPM = Horsepower * 5252 / torque; With our online Horsepower, Torque & RPM Calculator. BTU to Horsepower-Hour - Energy - Conversion. So when Honda HR-V is compared to Honda Fit, it does . Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The final factor and one frequently overlooked is the tractive effort required for acceleration of the train. The kinetic energy in the train can be converted to elevation using the formula: Where S is speed in miles per hour and H is elevation in feet. The Energy E in horsepower-hour (hph) is equal to the Energy E in btu (BTU) times 0.00039, that conversion formula: One BTU (international) is equal to 0.00039 Horsepower-Hour: One Horsepower-Hour is equal to 2544.43358 BTU: 1hph = 1hph 2544.43358 = 2544.43358BTU. No. Different vehicles produce varying quantities of power and weigh different amounts. Convert horsepower [electric] to ton of refrigeration, https://www.convertunits.com/contact/remove-some-ads.php. The formula is actually . For example a truck may have over 500bhp but it can be easily out accelerated by a lightweight kit car with just 120bhp. On another thread it was noted that BNSF and CSX have various rules for DPU based on the load type and terrain. This should be modified for bad weather. To provide the community with a realistic, organized, professional and fun atmosphere where one can enjoy Run 8 Train Simulator multiplayer simming. Put simply, it is a way of describing the ability of the engine's power to move the 'weight' of the vehicle. Once you have done this you could compare the power to weight with autosnout.com's bhp per ton or kw per ton lists. Note that rounding errors may occur, so always check the results. It was ok in smooth water but not enough bucking a stiff chop. This work is calculated without the consideration of the effects of any auxiliary component, that may slow down the actual speed of the motor. Haiper, Hugo v0.98.0 powered Theme Beautiful Hugo adapted from Beautiful Jekyll The user must fill one of the two fields and the conversion will become automatically. With more horsepower, the train can go faster. Manage SettingsContinue with Recommended Cookies. Using the known CC to HP formula above, we can find out the following: CC = 100HP*15 = 1500 cubic centimetres. Visualise different wheel and tyre options by considering the tyre size, wheel width and wheel offset. This is the hp to amps calculator, a great tool that helps you convert hp to amps for an electric motor (or any other device). You can calculate a PWR in four simple steps: The power-to-weight ratio represents the ratio between a vehicle's power and its total weight. The calculation shows the motor to be operating slightly more than one horsepower under the 5 hp rating. Vehicle weight should include not only the vehicle, but also the driver, the passenger, and anything else of significant weight. This is often why you find motorsports enthusiasts going through the process of weight removal on their cars. The power developed in the combustion chambers of the engine is greater than the delivered power because of friction and other mechanical losses. A guide on volumetric efficiency values is provided below. Hydraulic Horse Power is a measure of the energy per unit of time that is being expended across the bit nozzles. Years ago, the initial starting requirements were much higher when cars had friction bearings. A 1% grade is considered steep; a 2% grade is unusually steep. horsepower (boiler) to ton (refrigeration) (hp (boiler)RT) measurement units conversion. Maybe BNSF has rules about dynamic braking horsepower? Simply divide the power output of a vehicle by its weight. This therefore provides us a simple, rudimentary method of comparing how vehicles might fair with each other. The lower speeds required more track capacity in certain areas to keep train volumes moving. This is the power actually delivered by the engine and is therefore the capacity of the engine. Power per 1000KG = (HP / Weight in KG) 1000. You can do precisely that with ourcycling wattage calculator, which also calculates your power-to-weight ratio for you. Cheers. inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, Bhp is measured within the engines output shaft, and was originally designed to calculate and compare the. The engine horsepower at the flywheel is reduced by the auxiliaries such as air compressor, cooling fan, charging alternator, traction generator and motor losses, drive losses, and gearing losses. A BHP is equivalent to 33,475 BTU/Hr or 8430 Kcal/Hr and it should be noted that a boiler horsepower is 13.1547 times a normal horsepower. If you are a keen cyclist wondering how your power-to-weight ratio compares to a motor vehicle, you first need to calculate your body's power output. You can find metric conversion tables for SI units, as well Horsepower Calculator Horsepower is a measurement of power, or the rate at which work is done. We can do a good job estimating the speed a given locomotive will do climbing 2% with a given tonnage. Torque can be measured in. Motoristo.com 2022. How can we fairly compare their performance using these numbers? For example a truck may have over 500bhp but it can be easily out accelerated by a lightweight kit car with just 120bhp. The unit is most often used as a measure of power (symbol: Btu/h) in the power. Please enable Javascript to use AC traction locomotives can run at lower hp/ton ratios. p = 4.715 / COP (2c) where . hp to dyne centimeter/minute The following equation is used to calculate the brake horsepower per ton. 0-100kph: 4.9 s, 2017 Thunderousity Information Management Solutions. Enter the number of btus per hour to convert into horsepower. Kilowatt-Hour : Kilowatt-hour, or kilowatt hour (symbol kWh, kW h or kWh) is a measurement unit of energy. Plate thickness s=4mm, width l=3m, b=450n/mm. In contrast, a 1000cc, 80-220 HP motorcycle tops out at 100-170 mph, providing only 0.8-1.3 per HP. In the 70's through early 90's all the railroads could plot schedules based on train profiles and HPT to make a schedule perform. The answer is 4.7142799463807. Another example of interest is comparing GP motorcycles to small outboards. Hi Rick, In my part of the world, each subdivision has a load for each loco, that has been worked out by testing. While listening to the scanner, Dispatch wanted to verify that a BNSF train in the Cajon Pass had 3.5 horsepower per ton. Therefore p=1.4245043/48=958.5 (kn) = 96 (ton). The formula used in brake horsepower (bhp)s to ton (refrigeration)s conversion is 1 brake horsepower (bhp) = 0.212036131470339 ton (refrigeration). Sometimes 1 or 2 of the units only have 4 traction motors on 6 axles which frequently results in trains stalling out on Winston Hill east of Helena. Horsepower, tonnage, and speed are related in Horsepower Per Ton (HPT). How To Calculate Brake Horsepower Per Ton. google_ad_slot = "5037051988"; Cars in a curve require a good deal of tractive effort because the wheels are mounted on solid axles. However, youll notice die a and die b are rated at different angles, which affects the tonnage rating. Does this mean that the train could make it up the pass with its units if it had the 3.5 ratio? for use in every day domestic and commercial use! The formula for the Total Cost base on a price per ton is; TC = WM UP where: TC = Total Cost WM = Weight or Mass of product (e.g. This can vary slightly depending on the temperature of the water, therefore different estimates for the BTU exist. You can generally calculate it using this formula: Calculate Temperature Differential (?TF) ?TF = Incoming Water Temperature (F) - Required Chill Water Temperature Calculate BTU/hr. In theory, the truck should be able to accelerate twice as fast as the car, though, in reality, other differences, such as aerodynamic drag (drag equation), the rolling resistance of the tires, etc., will affect this prediction. One horsepower is equal to 745.7 watts, watts being a unit of power that James Watt also came up with, and the same unit you see everyday associated with things like light bulbs and electrical devices. Likewise, a lighter vehicle doesn't need as much horsepower to go very fast. Conversion Ton to Horsepower The ton (ton of refrigeration) is a unit of power. If you already know the measured brake horsepower or brake torque, you can calculate the mep required to produce it. If you already know the measured brake horsepower or brake torque, you can calculate the mep required to produce it. Large ships seem to be about one hp per ton. The Energy E in horsepower-hour (hph) is equal to the Energy E in btu (BTU) times 0.00039, that conversion formula: E(hph) = E(BTU) 0.00039 How many Horsepower-Hour in a BTU (international)? To take into account the weight of the car, performance enthusiasts frequently cite horsepower per ton. Such as a C30-7 figured at 25% adheasion factor and weight of the unit being 200 tons (400,000 lbs)would result in a tractive effort for starting at 100,000 lbs. How do they figure tractive effort? 1 btu (international) (BTU) is equal to 0.00039 horsepower-hour (hph). So we can see that the pickup truck has double the power-to-weight ratio of the small car. The power to weight is a better measurement than just purely quoting the bhp or kw of a vehicle. You can then work out the hp/ton if you like. How To Calculate Brake Horsepower Per Ton. Tractive Effort for a diesel-electric locomotive is a function of horsepower and speed. Tractive Effort for a diesel-electric locomotive is a function of horsepower and speed. Manufacturers usually quote the peak power output of their vehicles, which is OK for comparison purposes, but keep in mind that most of the time, the vehicle will be producing less power. More specifically, this calculation will return the result of the power from within the engine, not including any additional power losses. This calculator can be used to compute horsepower according to its definition and to convert between different power units. This is the power actually delivered by the engine and is therefore the capacity of the engine. Verson 15 Ton Press Brake from www.hweiss.com Power needed by the fluid. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. symbols, abbreviations, or full names for units of length, It is defined as the amount of work a horse is supposed capable of delivering during an hour. Once you have done this you could compare the power to weight with AutoSnout.com's bhp per ton or kw per ton lists. Worked examples of calculating the power-to-weight ratio This work is calculated without the consideration of the effects of any auxiliary component, that may slow down the actual speed of the motor. For merchandise trains, the norm was closer to 1 HP/ton. Eicher 188 - 18 hp. In the following article, you'll learn how to calculate the power-to-weight ratio and why it is a crucial measure of the performance of all moving vehicles. ton The online community for car enthusiasts. If you're wondering how to compare the performance of different vehicles, then our power-to-weight ratio calculator is just what you need. Vehicle power P = 350 hp. Kilowatts (kW). The SI derived unit for power is the watt. A train may be able to get a running start at a hill. You can now compare the performance of a wide range of vehicles using their power-to-weight ratio. So the power conversion of horsepower to kilowatts is given by: P (kW) = 0.746 P (hp) Example. 1 horsepower = 0.212 tons formula horsepower in tons (hp in ton). COP - Coefficient of Performance . Equation 1 - Power Formula. In general, the hp/ton comments above are ok but, any power dispatcher in hilly territory knows there is a nasty trap in the rules mentioned. Brake horse power (bhp) is the power actually delivered by the engine and is therefore the capacity of the engine. If a car has a higher power output per pound than another vehicle, it will be able to accelerate that pound of weight more quickly. On level track -- that's tougher. You can even try spaceships if you can find the information. An example of a quickly accelerating vehicle is a motorbike, which can have an average amount of power. One electrical horsepower is equal to 0.746 kilowatts: 1 hp(E) = 746 W = 0.746 kW. Vehicle horsepower to weight ratio is commonly applied to engines and mobile power sources dyno correction factor michigan wheel, solas, turning point, stiletto, quicksilver a simple to use power to weight calculator to work out your brake horsepower per ton and compare it with some of the more desirable cars on the. hp to gigawatt. Divide the total horsepower of the locomotives by the total tonnage to get your number. This value is the analog output of the controller and by means of an off-on or end-out outputs to the final control element, the calculated kilowatt or horsepower is obtained. They may not be as powerful but they are lightweight; as such, they are likely to be faster because they have a higher PWR. The second factor to consider is track curvature. Horsepower and Tractive Effort Introduction to Simulation Physics# The backbone of train simulation physics is the simple equation, F=MA . Brake horsepower (bhp) is the amount of work generated by a motor under ideal conditions. Main Unit (BTU) Power-to-weight ratio is a measurement of actual performance of any engine or power source. PSR has brought this to another level as more railroads trade speed for less crews, longer/heavier trains, less locomotives. Power needed by the fluid. Let's say we have a vehicle that weighs 1500 pounds and has a horsepower (hp) of 200. Power Calculations The Power required to move a train is defined by a simple formula: P=TS/375 Where P is power in horsepower at the rails, T is tractive effort in pounds and S is speed in miles per hour. The formula is TE = HP*375/Speed. BHP per Tonne Calculator Marketing departments and salesmen will often quote a vehicles horsepower as an indicator of its performance, however horsepower on its own is only one of the factors which determines performance. Bag Good engineering practice limits maximum curvature to about 12. One metric horsepower is equal to 0. . Therefore the industrial locomotive will perform well with 500 to 600 horsepower. Horsepower relates to speed not pulling power. It is a measure of how much power the vehicle can produce per unit of weight. p is the efficiency of propeller. Horsepower to Tons of refrigeration From To Precision: decimal digits Convert from Horsepower to Tons of refrigeration. It's very easy to calculate a power-to-weight ratio. An apartment building under this type can be a high rise Calculate an engine's displacement based on the number of cylinders, bore size and stroke length. Power per 1000KG = (HP / Weight in KG) 1000. The advent of the A/C units changed a lot of speed profiles as they could keep dragging higher tonnage/train lengths at slower speeds and keep moving when the DC units would have red lined and shot craps. Main line locomotives may need over 4000 horsepower each with multiple units because of both high tractive effort and speeds. Calculate the top speed for each gear by providing the gear ratio, engine speed (RPM) and tyre size. This method uses power in horsepower and weight in pounds to determine the power to weight ratio. The power-to-weight ratio is calculated by dividing 300 by 5,000 for 0.06 hp per pound. Following are tables of unit conversions from BTU and HP to Ton and kW. The technical definition of . XML Sitemap |Links | Terms & Conditions | Compressor tonnage = horsepower What is the conversion from tonnage to horsepower? We'll now explain step by step how to calculate the power-to-weight ratio of a vehicle. The individual components will vary for any point on a rail system depending on the load in a curve or on a grade and whether acceleration is required at that point. Type in your own numbers in the form to convert the units! Brake horsepower, very similar to regular horsepower, is a measurement of speed and power that is contained in the braking system of a car. We assume you are converting between horsepower [electric] and ton of refrigeration. Horsepower (hp) is the name of several units of measurement of power, the rate at which work is done. UH, the power desk does it in a nice air conditioned room and train is out in a hail storm on a. I use a lot simpler calculation to determine this very important end user data. Convert 1 hp h into kilowatt hour and horsepower hours to kWh. I have chartered 7000 pound sloops with 14 hp engines. 1 watt is equal to 0.0013404825737265 hp, or 0.00028434513626109 ton. The horsepower-hour (hph) is an outdated unit of energy equal to 2.685 106 joules. Calculate RPM from horsepower and torque. 1 hp to ton = 0.21212 ton 5 hp to ton = 1.06061 ton 10 hp to ton = 2.12121 ton 20 hp to ton = 4.24243 ton 30 hp to ton = 6.36364 ton 40 hp to ton = 8.48486 ton 50 hp to ton = 10.60607 ton 75 hp to ton = 15.90911 ton 100 hp to ton = 21.21215 ton Want other units? How many hp in 1 ton? For the cars in the curve, the tractive effort required is 0.8 pounds per ton per degree of curvature, where curvature is defined as the number of degrees the track curves per 100 feet. How to calculate the power-to-weight ratio? Using our calculator below you can easily calculate BHP per tonne for your car or bike. How to calculate horsepower (hp) or brake horse power (bhp) by bala mech tech.hi eve. A/C dynamic brake capacity/performance improved too. Input the curb weight of the vehicle 3. The electrical horsepower is used by the electrical industry for electrical machines and is defined to be exactly 746 W (at 100% efficiency). /* Columnright 200 x 200 */ Hp stands for horsepowers and bhp stands for brake horsepower (bhp)s. The formula used in horsepowers to brake horsepower (bhp)s conversion is 1 horsepower = 1.00000000056019 brake horsepower (bhp). google_ad_height = 200; Apartment, Mid/High Rise: Description: This building type can be used for apartments or condominiums that are larger than single family homes or multi-family dwellings. But what does that mean exactly? p = compressor horsepower per Ton (hp/Ton) COP = coefficient of performance. 2.2 tons) UP = Unite Price of product (e.g. A C locomotives have a higher adheasion factor somewhere in the 35% or higher range. is commonly used to measure the maximum power of a car's engine in the United States or the UK. The power-to-weight ratio calculator uses the following formulas to calculate the power-to-weight ratios: PWR = Power-to-weight ratio (horsepower per pound, watts per kilogram), 1 Horsepower per pound (hp/lb) = 1.64398682456 Kilowatt per kilogram (kW/kg), 1 Kilowatt per kilogram (kW/kg) = 0.6082773809745355 Horsepower per pound (hp/lb), You may also be interested in our Quarter Mile Calculator, A collection of really good online calculators. Enter the engine's power 4. Curvature can also be directly measured by the following method: Stretch a cord or tape tight across two points on the rail which are 62 feet apart. Worked examples of calculating the power-to-weight ratio. It is approximately equal to 746 watts. Compression horsepower per Ton. Power needed by the fluid. Top 10 Cars Top 10 Fastest Cars List Top 10 Fastest Cars 0-60mph Top 10 Fastest Cars 0-100kph You had dispatching offices on mountain territories that would decide what trains got helpers and where to position them. Select the unit system you would like to use from the drop-down menu. It takes about 10 pounds per ton to accelerate to a speed of 6 miles per hour in one minute or 12 miles per hour in two minutes, a reasonable rate for a heavy train. V is the velocity of aircraft. We and our partners use cookies to Store and/or access information on a device.We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development.An example of data being processed may be a unique identifier stored in a cookie. Brake horse power (bhp) is the power actually delivered by the engine and is therefore the capacity of the engine. BNSF sends MRL grain trains with 3 or 4 units with 4400 hp per unit. The vehicle power is 350 hp and the vehicle weight is 12000 pound. Click on the Icon above will initiate Heat Converter, Pressure Converter, Temperature Converter Converted HP into LB Horsepower (hp) can be converted into lbs of steam by multiplying hp with 34.5. On a 1.00% grade, each 1 foot forward raises the train 0.01 ft., so to lift the train at the rate of 0.275 ft. per second it would have to go forward at a speed of 27.5 ft. per second, which is about 18.7 MPH. Lets use 100HP engine in this HP to CC example. I watch the train go by, Whatever it had on it, that must be what somebody wanted. Since we're dealing with 1 ton = 2,000 lbs., 1 HP would lift 1 ton at the rate of 550 / 2,000 = 0.275 ft. per second. If you poke around books and the 'net you'll find the most common number cited is three or four horsepower per ton, which (for short tons) is about 500 lbs per horsepower. 1 horsepower 0.212 tons. Click on the "Calculate PWR" button to generate the PWR. It's important to note that the word "weight" used throughout this article is a colloquial term for mass. Let's go back to the two examples at the top of the page and calculate their power-to-weight ratios (PWRs). It is defined as the energy put off by melting a ton of ice every 24 hours, and is approximately 12,000 BTUs per hour. You can either find this value in the vehicle's owner's manual or search for it online. Horsepower Calculation Based on Definition Yet another way to calculate it (and thanks to the U.P. Engine Horsepower Calculator The following two calculators can be used to estimate the engine horsepower of a vehicle based on the weight of the vehicle, elapsed time, and speed used to finish a quarter mile run. At speeds above 30 to 40 miles per hour, air resistance becomes significant but since this depends on the aerodynamics of specific trains, it is not addressed here. You can calculate a PWR in four simple steps: 1. Ton hp*0.212 Conversions horsepower to other units Power Conversions . ton to hp, or enter any two units below: hp to terawatt Example A 1000 ton evaporator load must be handled at a suction temperature of +20F and condensing temperature of 95F. How do railroads calculate what power to put on a train AND where to put it if using DPUs? 1 horsepower (metric) = 0.73549875 kW 1 kW = 1.3596216173 horsepower (metric) Example: convert 15 horsepower (metric) to kW: 15 horsepower (metric) = 15 0.73549875 kW = 11.03248125 kW Popular Power Unit Conversions hp to kw kw to hp hp to watts watts to hp BTU to Ton Ton to BTU Convert Horsepower (metric) to Other Power Units hp to watts Degree of curvature can be calculated if the curve radius is known by dividing 5730 feet by the radius. HP= (10 x 1500) 1714 = 8.75 HP Calculated out this gives an input horsepower requirement of 8.75 horsepower. I once owned a 5500 pound sloop (4 tuns Thames Measurement) equipped with a 4 hp slow speed (1500 rpm max) engine. A 1% grade is defined as a vertical increase of one foot for each 100 feet of horizontal distance. Copyright 2016 Republic Locomotive, All Rights Reserved. The consent submitted will only be used for data processing originating from this website. Click on the "Calculate PWR" button to generate the PWR. The power ddsk in Ft Worth isn't smart enough to figure out there is also a tractive effort component involved. 1 Horsepower = 745.7 Joules per second: 10 Horsepower = 7457 Joules per second: 2500 Horsepower = 1864249.68 Joules per second: 2 Horsepower = 1491.4 Joules per second: 20 Horsepower = 14914 Joules per second: 5000 Horsepower = 3728499.36 Joules per second: 3 Horsepower = 2237.1 Joules per second: 30 Horsepower = 22371 Joules per second: 10000 Horsepower = 7456998.72 Joules per second [6d7f308e]. This can also be represented as approximately 745.7 watts. Horsepower-Hour : You can practice using this calculator with these examples: 1) What is the horsepower when an engine is producing 475 foot pounds of torque at 4,000 rpm? What we need is a metric that doesn't depend on the size of the vehicle. Marketing departments and salesmen will often quote a vehicles horsepower as an indicator of its performance, however horsepower on its own is only one of the factors which determines performance. Oh totally, it's probably should be the main specification comparison between two cars. The Horsepower Calculator will calculate the horsepower of any vehicle instantly if you provide the total weight in pounds of the vehicle (and its occupants) and the MPH (miles per hour) that the vehicle is traveling the instant the vehicle crosses the finish line for the quarter mile (called the "trap speed"). Use our power-to-weight calculator to calculate the amount of power a vehicle has in relation to it's weight. It is for this reason that motorbikes accelerate quicker than most cars. | Find us on Google+, Top 10 Fastest Production Cars 0-60mph List, Top 10 Fastest Production Cars 0-100kph List, Top 10 Fastest Production Cars Top Speed List, Top 10 Fastest Production Cars Quarter Mile List, Top 10 Fastest Naturally Aspirated Cars List, Top 10 Fastest Production Petrol Turbo Cars List, Top 10 Fastest Production Petrol Twin Turbo Cars List, Top 10 Fastest Production Petrol Bi-Turbo Cars List, Top 10 Fastest Production Petrol Quad Turbo Cars List, Top 10 Fastest Production Petrol Supercharged Cars List, Top 10 Fastest Estate / Station Wagon Cars, Top 20 Fastest Production Cars 0-60mph List, Top 20 Fastest Production Cars 0-100kph List, Top 20 Fastest Production Cars Top Speed List, Top 20 Fastest Production Cars Quarter Mile List, Top 20 Fastest Estate / Station Wagon Cars, Top 20 Fastest Naturally Aspirated Cars List, Top 20 Fastest Production Petrol Turbo Cars List, Top 20 Fastest Production Petrol Twin Turbo Cars List, Top 20 Fastest Production Petrol Bi-Turbo Cars List, Top 20 Fastest Production Petrol Quad Turbo Cars List, Top 20 Fastest Production Petrol Supercharged Cars List, Top 50 Fastest Production Cars 0-60mph List, Top 50 Fastest Production Cars 0-100kph List, Top 50 Fastest Production Cars Top Speed List, Top 50 Fastest Production Cars Quarter Mile List, 8 Second Quarter Mile Production Car List, 9 Second Quarter Mile Production Car List, 10 Second Quarter Mile Production Car List, 11 Second Quarter Mile Production Car List, 12 Second Quarter Mile Production Car List. Automobile Car Truck Design Formulas. The Educational Forums Example of HP to CC conversion. The railroad and train crews know what **should** work over a given territory, at minimum, when you're talking about climbing hills. All rights reserved. The other way around, how many kilowatt hours - kWh are in one horsepower hour - hp h unit? It is measured using an instrument called a dynamometer, which is a mechanical or electric braking device.in the uk system, the horsepower corresponds to the work required to raise a weight of 33,000 lb f, 1 ft in 1 minute.this also corresponds to the work required to raise a. Bhp is the brake horsepower. Today, with all roller bearing journals, this is not much of a consideration. p is the efficiency of propeller. So even though on paper, miata has half the horsepower (155), it's horsepower per ton is a lot lot closer, only about a 25% difference rather than 50%. The two most common power-to-weight ratio units are horsepower per pound (hp/lb) and kilowatt per kilogram (kW/kg). Try it out on high-performance supercars, massive dumper trucks, trains, and ships. In the article, you can find a short description of what is horsepower, what it means to convert horsepower to amps, and the formulas . the unit converter.Note you can turn off most ads here: Length (ft)s Width (ft)s Heigth (ft)s Results based in the data entered above: Horsepower Required 1hp 1.5hp 2.0hp 2.5hp 3.0hp 4.0hp 5.0hp 7.5hp 8.0hp 10.0hp 12.5hp For example, if you have a car that weights 2000 pounds and has 250 hp, the PWR will be as follows: 250 / 2000 = 0.125 hp for every pound of car. Calculate ET and MPH from HP and Weight: 4. You can do the reverse unit conversion from A car with a high power to weight ratio will accelerate faster than a automobile with a lower value. One horsepower is equivalent to 33,000 foot-pounds per . Solving for vehicle power to weight ratio. The formula is TE = HP*375/Speed. The total tractive effort required for a train is the sum of these four components. This calculator will measure either horsepower or torque, depending on your selection. The nice thing is that you will only need a 50hp engine for your boat, or maybe 70 if you plan to do a lot of pounding into head seas. The curb weight is the weight of the vehicle, excluding the driver, passengers, and luggage. 12,000 Oversize the chiller by 20% Ideal Size in Tons = Tons x 1.2 Increasing this tractive effort increases the acceleration rate proportionately. This tool converts horsepower to tons (hp to ton) and vice versa. Type in the amount you want to convert and press the Convert button. 12,000 BTU = 1 Ton. Pump_hydraulichp = q_cfs * 62.4 * sg * pumpdiffhead_ft / 550 power needed by the pump. However, because it is very lightweight, its power-to-weight ratio will be much greater than that of a typical car. Thanks. Where S is speed in miles per hour and H is elevation in feet. Calculators to find 1/4 mile ET and MPH. Brake horsepower is the unit used for the calculation of an engine's capacity of doing work. For example, if you weigh 180 lbs, and climb a 12-foot staircase in 4 seconds, that equals ( (180 * .454) * 9.81 * (12 * .3048)) / 4 = 733 watts. Wheel flange contact adds additional friction. The formula to calculate an the power-to-weight ratio can be seen below, this is what we use in the calculator above. 15-20 Horsepower tractors are the ideal for areas of Punjab, Gujarat, Haryana, Andhra Pradesh, UP, Maharashtra etc. Swaraj 717 - 15 hp. This force is required to overcome bearing friction, rail deflection, minor flange contact, etc. BHP = Tons HP / Ton Eff a.c. 1 ton 4.7162 horsepower. These applications will - due to browser restrictions - send data between . Power to Weight Ratio Calculator Unit System: Car Weight: lb Engine Power: hp Results One horsepower is equivalent to the amount of force needed to lift 550 lbs of weight within a period of 1 second. Brake horse power (bhp) is the power actually delivered by the engine and is therefore the capacity of the engine. 1 kW = 3,412 BTU. Divide the number of Watts by 746 to find out your horsepower rating. The equation to calculate the power-to-weight ratio is: You'll usually see it quoted in units of hp/lb or kW/kg, but you can use any units of power and weight you like, as long as you use the same ones when comparing vehicles. Checkout. Brake horsepower, very similar to regular horsepower, is a measurement of speed and power that is contained in the braking system of a car. The same answer we get from the mep calculation. One the UP each route has a minimum required tons per powered axles or TPA. Posted by oltmannd on Wednesday, September 6, 2006 7:05 AM. Therefore, the vehicle hosepower to weight ratio is 0.029. In the present invention, the total mass flow at a given time x is multiplied by a ratio to produce a calculated kilowatt or horsepower value. In addition, with RTC simulation they can predict/plan performance paramaters and capacity requirements for all of their routes. Between hp h and kWh measurements conversion chart page. Top Speed: 155mph PWR calculations are commonly used to predict vehicle speed. Tractive effort is the measure of pulling power. I haven't used these in detail for decades, but from dim memory: On level track, 0.5 HPT will move a train at about 35 mph, 1 HPT 50, 2 HPT 60 MPH. A unit goes down, but those AC's just keep lugging, at a slower speed, then it starts raining, the rails get wet, and the wind starts blowing, and With PSR, the extra margin of power has been reduced, making it harder to make satisfactory progress when conditions get worse. To back up the fact it isn't exact is the fact that it doesn't always work perfectly i.e. 1 ton to hp = 4.71428 hp 5 ton to hp = 23.5714 hp 10 ton to hp = 47.1428 hp 15 ton to hp = 70.7142 hp 20 ton to hp = 94.2856 hp 25 ton to hp = 117.857 hp 30 ton to hp = 141.4284 hp 40 ton to hp = 188.5712 hp 50 ton to hp = 235.714 hp Want other units? BTU : A short line railroad or branch line with the same tractive effort requirements might require up to 2000 horsepower to move the train because of the higher speeds involved. Calculate your Horsepower. For example, a Ford F-series pickup truck has a peak power output of 290 hp (216 kW) and weighs 4,069 lb (1,846 kg), while a Ford Fiesta produces 89 hp (66 kW) and weighs 2,546 lb (1,155 kg). Simply rearrange the formula as follows: Brake horsepower, also in short known as bhp is the amount of work by done by an engine and how fast the engine could work. Weight is as the car sits on the line: driver and gas in it. Bhp is the brake horsepower. Most yard switching applications seldom exceed about 30,000 pounds of tractive effort and speeds of 5 to 7 miles per hour. About 80% of the rated engine power is available at the rail for a modern AC traction locomotive versus about 70% for the older DC units. metres squared, grams, moles, feet per second, and many more! If you have at least 3.5 hp/ton you're allowed 30 mph (or whatever) instead of 20 mph downgrade? Top Speed: 257.4kph Vehicle weight W = 12000 pound. When you choose horsepower, this calculator will measure the approximate horsepower of an engine based on the torque of the engine (measured in foot-pounds) multiplied by the RPM of the engine, divided by 5,252 (conversion between foot-pounds and horsepower). ET and MPH in Quarter Calculator: . Some of our calculators and applications let you save application data to your local computer. The net effect of these losses is to reduce power to the rail by 20% to 30%. however horsepower on its own is only one of the factors which determines performance. google_ad_client = "ca-pub-5207509219570437"; For example, the intermodal rating was 1.75 HP/ton for most route segments. Its PWR will be as 0.133 hp/lb, which entails that it has a power output of 0.133 hp for every pound of weight. Marketing departments and salesmen will often quote a vehicles horsepower as an indicator of its performance, Measure the distance from the midpoint of the cord to the rail. | Contact | Baby First Names Website | While the term horsepower is commonly used to measure speed and. First, a force of 2 to 5 pounds per ton of train weight is required to move on straight level track. google_ad_width = 200; One Horsepower is equal to 550 foot-pounds per second. ConvertUnits.com provides an online The higher the PWR, the faster the vehicle will accelerate. Wallace Racing - ET/MPH/HP Calculator. (no weather correction). This value is useful when comparing vehicles, though you could add the extra weight to see how the performance of your vehicle changes when it's fully loaded up for a long road trip. hp to dekawatt Thus the wheels must slip and slide through the curve because of the difference in radius of the inside and outside rails. The tractive effort required to move a train consists of numerous factors, but for most applications only four need to be considered. . Air conditioners and motor vehicles both transfer energy. Use the calculators below to convert the numbers. The solution is to divide the vehicle's power by its weight (or mass) to get the power-to-weight ratio. 1 horsepower = 0.212 tons Formula horsepower in tons (hp in ton). This tool converts tons to horsepower (ton to hp) and vice versa. 120 x 1.1 = 132, or a 130 . Look up the power of the vehicle. conversion calculator for all types of measurement units. And for the small Ford Fiesta, the calculation is as follows: PWR of small car = 89 hp / 2546 lb = 0.035 hp/lb. The building type is used to provide the appropriate square foot per ton value and airflow (CFM) per square foot value. 1 BTU (international) = 0.00039 Horsepower-Hour. So I would say 2 hp per 1000 pounds. The figure in the main unit column is the typical cooling capacity in air conditioner while the subsequent figures in the equivalent unit columns are based on mathematical conversions. I'm not in charge so I don't care because I will never be asked. In other words, 1 horsepower is 2 times bigger than a brake horsepower (bhp). The Power required to move a train is defined by a simple formula: Where P is power in horsepower at the rails, T is tractive effort in pounds and S is speed in miles per hour. BTU/hr. hp to dyne centimeter/hour The operating philosophy changes over the past 10-15 years has been one of the biggest changes in the industry's history. Its symbol is Btu, or sometimes BTU. Calculate from energy into other energy unit measures. We talk more about this in our weight on other planets calculator. = Gallons per hr x 8.33 x ?TF Calculate tons of cooling capacity Tons = BTU/hr. Its won't be an exact science due to many variables, weather, condition of the locomotives etc., but hp/tonne and experience of a route will get you to the number of units needed. A vehicle with a higher power-to-weight ratio is likely to accelerate faster than a vehicle with a lower ratio. hp to newton meter/second Easy BTU/hr to hp (I) conversion. hp to Btu/minute Use this page to learn how to convert between horsepower and tons of refrigeration. This distance in inches is equal to the degrees of curvature. Metric horsepower to kilowatts. Diferent energy units conversion from horsepower hour to kilowatt hours. A boat with a 25 HP (500cc) outboard can only reach 20-30 mph, while the same displacement racing engine can produce 200-240 HP and propel a GP motorcycle to 220-250 mph. Looking in a past edition of the Car and Locomotive cyclopedia, it explains tractive effort as a percent of unit weight. The amount of horse power the vehicle has. Now, the British thermal unit is almost replaced by the SI unit of energy, the joule. This result is usually between 1-2 horsepower. If you can't find a value, you can always use our horsepower calculator to work it out. > Why would it be harder to calculate the speed on, > One the UP each route has a minimum required tons. To convert all types of measurement units, you can used this tool. Select the unit system you would like to use from the drop-down menu 2. Power-to-weight ratio (or specific power or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Compare Car Figures & Specs Popular Car Head to Heads 0-60mph Times List 0-100kph Times List 0-100mph Times List 0-62mph Times List Top Speed List 1/4 Mile Times List Torque List Horsepower List BHP Per Tonne List Torque Per Tonne List Engine Size List. 1 horsepower 0.212 tons. The equation to calculate the power-to-weight ratio is: power-to-weight ratio = power/weight You'll usually see it quoted in units of hp/lb or kW/kg, but you can use any units of power and weight you like, as long as you use the same ones when comparing vehicles. Likewise, a lighter vehicle doesn't need as much horsepower to go very fast. Marketing departments and salesmen will often quote a vehicles horsepower as an indicator of its performance, however horsepower on its own is only one of the factors which determines performance. You can do the reverse unit conversion from ton to hp, or enter any two units below: Power can be measured in. A basic power calculation is the measure of force over a distance per time period. 7,241. engine horsepower calculator Home engine horsepower calculator This calculator gives the baseline horsepower and cubic feet per minute (cfm) that an engine will develop at its maximum rpm given the volumetric efficiency of the engine. Rta: // The first thing to do is multiply the Hp by 746, then you must divide the previous result between the multiplication of the voltage line line, the efficiency, the root of three and the power factor, giving as a result: 12.33 Amps . If you calculate power-to-weight ratio and you use the Honda Fit as the BASE, then Honda Fit stays at 109hp and Honda HR-V ends up being 120hp. (One percent of a ton or 2000 pounds equals 20 pounds.) The amount of required power is based on that. Electrical horsepower to kilowatts. If you already know the measured brake horsepower or brake torque, you can calculate the mep required to produce it. Thanks KG. Equal to a power to weight ratio of 530 horsepower per ton Explanation of Calculations : 1) The Formulas used and statistics shown on letstorquebhp.com theory performance web site and calculator, predict 0-60mph, 0-100mph and mile times (with the mile terminal speed) for road legal cars on road legal tyres. Hp stands for horsepowers and bhp stands for brake horsepower (bhp)s. Fill the calculator form and click on calculate button to get result here. Bhp is the brake horsepower. Question: Find the vehicle hosepower to weight ratio with vehicle power and vehicle weight. However, curvature may exceed 20 in an industrial yard with limited real estate, but excessive wheel and rail wear will likely result. I want to calculate : Brake horse power (bhp) is the power actually delivered by the engine and is therefore the capacity of the engine. The British thermal unit is a traditional measure unit of energy, approximately equals 1055 joules. Click on "Horsepower", enter the torque and rpm, click on "Calculate" and the answer is 361.77 horsepower. There are many variations of Horse Power (HP) calculations found in historical and individual manufacturer's literature. Can it pull 200 loads at all? area, mass, pressure, and other types. One horsepower = 12,000 Btu/hr is nothing more than a rule of thumb, as is one horsepower = one ton of refrigeration. However.12,000 Btu/hr = one ton of refrigeration = FACT I could expand on the rules of thumb which have been popular over the years, but then I don't want to lead anyone to possibly apply them. 3 HPT 70 mph all round numbers. Hp ton*4.7162 You can view more details on each measurement unit: Therefore p=1.4245043/48=958.5 (kn) = 96 (ton). Typical rule of thumb is that the horsepower per ton should be equal to or greater than the ruling grade the train will encounter. To convert all types of measurement units, you can used this tool. BHP Per Ton List,