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| Grunterhunter |
Posted: 2006/4/6 7:01 Updated: 2006/4/6 7:01 |
Home away from home   Joined: 2005/3/28 From: Stray-ya Posts: 528 |
 Re: Torque & rpm calculated from dyno run Oh yeah... torque is at the treads in lb/ft, power is rwhp. the torque figure is derived from the hp figure, so presumably that takes into account the final drive ratio (4.11).
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| ddgonzal |
Posted: 2006/4/7 3:57 Updated: 2006/4/7 3:57 |
Moderator   Joined: 2001/5/3 From: 48 North Posts: 31608 |
Re: Torque & rpm calculated from dyno run On the chart the torque does not take into account the diff ratio, otherwise it would be 4.11 times more torque. As far as I've seen, the RPM is always measured at the engine.
At 5252 rpm, HP and lb/ft are identical. But then the transmission gears multiply torque (except 4th gear 1:1) and then the differential multiplies it more. Finally, the tire size has something to do with it (larger tires make for less torque).
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| Grunterhunter |
Posted: 2006/4/13 11:57 Updated: 2006/4/13 11:57 |
Home away from home Joined: 2005/3/28 From: Stray-ya Posts: 528 |
Re: Torque & rpm calculated from dyno run Yup, I think we are on the same page here. I have just done the calcs from the acceleration figures I recorded and it seems to agree with the dyno figures pretty well..... if i can find the damn thread.
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| ddgonzal |
Posted: 2016/9/14 0:19 Updated: 2016/9/14 0:19 |
Moderator Joined: 2001/5/3 From: 48 North Posts: 31608 |
Re: Torque & rpm calculated from dyno run Max 71.9 HP at the wheels  This may be the thread: calculate rwkW without a dyno? |
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2006/4/6 6:57 
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