
Does engine RPM affect gas mileage? - Physics Forums
Apr 12, 2007 · A car engine's power output should theoretically be the same in any gear at a given speed. Ie, if you are going 50mph and in shifting from 3rd to 4th your rpm goes from …
Calculating acceleration on different gears in vehicle - Physics …
Oct 18, 2013 · now imagine i have engine attached to my car. and that engine is generating constant 50HP from 0 to 20000 rpm (that means torque is diminishing with revs). And i have …
Gear ratio and power output in a car - Physics Forums
Jan 30, 2010 · The product of angular speed and torque into the gearbox (i.e. engine speed x engine torque) is equal to the product of angular speed and torque out of the gearbox (i.e. at …
Gearing Mechanics: Torque/HP & Gear Ratio Explained - Physics …
Apr 29, 2007 · Gearing multiplies the torque and divides the rate of rotation. If the gearing is a 3 to 1 reduction, then the torque applied at the pedals (bicycle) or from the engine (vehicle) is …
Car Acceleration: Gears, Gear Ratio, & More - Physics Forums
Jan 9, 2004 · Hi I am making a racing game for the XBox, I need some info on the following Gears, Gear Ratio and Acceleration, basically I want to know how a real car moves, if you are …
Torque & RPM at Shifts: Explained - Physics Forums
Nov 11, 2009 · Now take motor B and gear it 2:1 to the wheels. When the engine gets to 8000 RPM, the wheels will be turning at 4000 RPM. Same speed as the car with motor A. And get …
Calculating the force of an average car - Physics Forums
Mar 2, 2022 · Imagine we have a 1.8L engine that can produce a max torque of 155 nm @ 4250 RPM. 1st gear ratio = 3.455 Final drive ratio = 4.529 Tire size = 185/65R14 (Rolling Tire …
Creating a Realistic Car Simulation Game - Physics Forums
Mar 8, 2008 · The car weighs 2850 lbs, so it's mass is 88.581 slugs. The acceleration is 653.198lbs / 88.581 slugs = 7.374 ft / sec^2, or 0.2292 g's. Note that some of this torque is …
Why are gas turbine engines not used in automobiles? - Physics …
Sep 27, 2013 · The use of reduction gears could also reduce rpm and increase torque (this is why a turboshaft engine was used in the m1 Abrams, tanks need lots of torque).I fully believe it is …
Calculating top speed in each gear given the gear ratios and
Mar 29, 2015 · lets say a car has 75 HP(56kW) of power and revs to a max of 6500 RPM with wheel radius of 0.4572 m. in this case Car A can do 6500 RPM Car B can do 9000 RPM …