22+ Drivetrain Loss Calculator

Andiroos post on the AP22 thread set me off this morning on the search for an accurate drivetrain loss figure for our cars. Cadence sweetspot calculator.

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You also have to factor in the amount of mileage on.

. Discussion Starter 1 Jan 20 2016 Hey all So Ive heard 15 drivetrain loss 175 and 20 loss to name a few. It is impossible to calculate these values accuratly this information should be used as a rough guide only. The results showed that the fan killed as much as 22 hp at 5200 rpm.

Replace the motor with a Coupes 350HP LS1 the loss is now about 17 6075350. Assuming a 20 drive train loss. Vehicle weight in pounds including driver lbs.

Well there really is no such thing as a correct value to assign to drivetrain loss. Thats how the math works. As most people know there are power losses through the drivetrain so wheel hp is always lower than flywheel hp.

Your primary drive transmission and rear drive sprockets all combine to determine your cruising rpm as well as your final top speed. Two parts to this first we take the wheel horsepower figure WHP that the car has made on the dyno. Now you do a bunch of engine mods without touching the drivetrain and you now measure say 135HP at the wheels.

This calculator will show you your speed in each gear. S4RS4 Drivetrain Losses. The question is whether the drivetrain loss of torque is a percentage of crank hp ie 10 of 500 hp 50 hp or an absolute number ie 50 hp loss.

If a 405HP LS6 equipped Z has a 15 loss thats 6075HP. There is a slight complicating. Front wheel drive cars with transverse engines tend to be more.

More typical was a loss of between 13 and 19 hp between 3600 and 5900 rpm see Test B. Calculate Rear End Gear Ratio. The loss through the drivetrain was 14HP 104-90.

What is more important than simply identifying an overall percent of loss is to evaluate your dynograph and calculate where the highest percentages of loss are occurring. Chain wear calculator. You can figure out your CHP by using the general rule of 25 power loss by taking your AWHP 225 75 will give you your 300 CHP.

ET in seconds sec. Eau Claire Wisconsin Front wheel drives generally lose 15 percent rear wheel drive will lose more like 30 to 33 percent. Thats a 194 loss assuming 245hp.

S14 springs to mind here The AWDhandling is really what it. We then divide HP loss by BHP and multiply by 100 to. 4 Jan 3 2010.

Calculate HP from ET. 20 drivetrain loss calculator Kamis 20 Oktober 2022 Edit. Lets see how much we get at the wheels P out and what are the drivetrain power losses P loss if the engine power at the clutch P in is 150 kW and the drivetrain efficiency is 0841.

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