The weight of the car, truck or automobile including the driver, passenger and accessories. A 14% driveline loss is assumed for Wheel HP. This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. Engine HP Horsepower Change Calculator - Trap Speed Method. 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. Trap speed is the velocity or speed of a vehicle at the end of a run or race competition. See my Free Android Drag Racing Calculator App in the Google Play Store Share on: Facebook Twitter Reddit Tumblr Pinterest Vk Email. SIMPLE CALCULATIONS! JavaScript must be enabled in your browser for the calculation to work. Experiment with different statistics to see how different cars of higher and lower horsepowers operate at different constants. The horsepower the electric, diesel or gasoline engine is capable of producing. For example, if your engine has a torque of 350 pound-feet then the horsepower would be 333 horsepower, at 5,000 RPM. … Let us say that you are driving at a constant of 7.3751, have a 1,000-pound car, and have 94 hp. See my Free Android Drag Racing Calculator App in the Google Play Store For example, if your engine has 350 horsepower then … This is just the HP necessary to sustain that speed, not what your engine total HP … Horsepower! lbs. This calculation assumes the car's transmission is in drive or 1:1 ratio, no overdrive. Rear End Gear Ratio The velocity or speed of a vehicle measured in the trap at the end of a quarter mile run. Not a substitude for actual testing. These equations are for recreation only. English. Tire diameter in inches Let us say that you are driving at a constant of 7.3751, have a 1,000-pound car, and have 94 hp. Inspect/analyze calculations and results in parameters, charts and graphs. You are making : HP at the rear wheels and HP at the flywheel*. Enter vehicle weight - This can be done by entering value or using the up and down arrows to step the number field, Enter speed or velocity - This is how fast the automobile is going at end of the 1/4 mile run or trap. Horsepower Calculation Based on Definition . Tire Diameter (in) RPM: Speed at RPM (mph) ), Vehicle weight in pounds (including driver) Calculators to find 1/4 mile ET and MPH. This calculator will calculate the approximate 1/4 mile time and trap speed of your vehicle. Note: This is a rough and quick estimate of engine horsepower. JavaScript must be enabled in your browser for the calculation to work. John Loo 2017-08-13T21:34:25-07:00. Español; Horsepower (hp) change calculator that allows you to calculate the estimated change in the engine hp after a performance part has been installed with Trap speed. (THIS IS JUST AN ESTIMATE BASED ON See ... Desired Cruise Speed (in statute MPH) This calculation is only valid for planing speeds! This speed calculator is a tool that helps you determine the average speed of a moving object based on the distance traveled over a certain time traveled. Wallace Racing - ET/MPH/HP Calculator. Click “Calculate.” Your quarter-mile elapsed time increases to 16.181 seconds. Horsepower Calculator from 1/4 mile time, Trap Speed & Weight This calculator will estimate the amount of horsepower a car is generating at the flywheel from the car's 1/4 mile time, trap speed and weight. lbs. Engine Horsepower Calculator. JavaScript must be enabled in your browser for the calculation to work. This calculator computes the estimated engine or motor horsepower from trap speed. Tire Diameter (in) RPM: Speed at RPM (mph) This web app uses the quarter mile distance or track. Calculate Rear End Gear Ratio: Enter the tire diameter in inches, rpm's of the motor at a certain speed as indicated by your speedometer in mph. Vehicle weight in pounds (including driver) Horsepower Calculator. Vehicle weight should include not only the vehicle, but also the driver, the passenger, and anything else of significant weight. Horsepower is a measurement of power, or the rate at which work is done. Try out this calculator get a rough estimate of horsepower. When you choose torque, this calculator will measure the approximate torque of an engine based on the horsepower, multiplied by 5,252 (conversion between foot-pounds and horsepower), divided by the RPM of the engine. This calculator can be used to compute horsepower according to its definition and to convert between different power units. This calculation assumes the car's transmission is in drive or 1:1 ratio, no overdrive. Weight is as the car sits on the line: driver and gas in it. Estimated Horsepower: This calculation is only valid for planing speeds! Experiment with different statistics to see how different cars of higher and lower horsepowers operate at different constants. Calculators to find 1/4 mile ET and MPH. Calculate Rear End Gear Ratio: Enter the tire diameter in inches, rpm's of the motor at a certain speed as indicated by your speedometer in mph. JavaScript must be enabled in your browser for the calculation to work. Shows an Engine Horsepower versus Speed plot. If you do not know the exact data, you can estimate. Drag Racing Calculators,Calculators to find 1/4 mile ET and MPH, CID,Piston Speed,gear ratio,carburetor size,margin of victory,Engine calculator, Calculates relative horsepower, air density, density altitude, virtual temperature, actual air pressure, vapor pressure and dyno correction factor and more. 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). The answers below will be for at sea level and standard pressure/temperature. ET and MPH in Quarter Calculator: ... BACK to Calculators. Weight is as the car sits on the line: driver and gas in it. Do you have a high performance car, motorcycle, truck or vehicle, built a new engine, performed a tune up or installed a performance part? Use this Boat Horsepower Calculator to estimate the power required to efficiently move your skiff. These equations are for recreation only. Not a substitude for actual testing. Wallace Racing - ET/MPH/HP Calculator. Estimate Your A 14% driveline loss is assumed for Wheel HP. ET and MPH in Quarter Calculator: Wallace Racing BACK to Calculators. Whether you are test driving your brand new car, or just going for a quick jog or cycle, if you want to know how to find average speed, this calculator will come in handy.. This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. Uses Cd (coefficient of Drag) and Square Foot Area of your vehicle to calc how much HP would be needed to run a certain speed. To find the engine horsepower of a vehicle please use our Engine Horsepower Calculator. Engine Horsepower (HP) Change Calculation. You are making : HP at the rear wheels and HP at the flywheel*. Click “Calculate.” Your quarter-mile elapsed time increases to 16.181 seconds. Inches javascript must be enabled in your browser for the calculation to work %. Weight is as the car 's transmission is in drive or 1:1 ratio, no overdrive Quarter:... And MPH in Quarter Calculator:... BACK to Calculators measurement of power or! 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