Oh, and on the difference in drivetrain losses... - Saab Performance Bulletin Board - Saabnet.com
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Oh, and on the difference in drivetrain losses...
Posted by BillJ [Email] (more from BillJ) on Thu, 19 Sep 2002 07:27:03
In Reply to: How did you figure drivetrain losses? Base dyno run?, Aaron Gilbert, Thu, 19 Sep 2002 00:04:54
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... the 225hp at the wheels I quoted for the first run was based on the operator telling me (disbelievingly!) that with the smaller plug gaps, it achieved another 15hp at the wheels, and from his comment at the end that the 305bhp runs produced 240bhp at the wheels (he never directly told me the wheel hp for the first run).
Of course that 15hp was probably a rough figure and could have been anywhere from just over 10 to just under 20. If it was nearer 20hp, then the drivetrain loss comes out about the same. Figure in some variation in measurement of drivetrain loss from one run to the next and it all sounds fairly plausible to me.
posted by 161.71.171...
Posts in this Thread:
- Karl, Zeke, etc. - do these figures look OK?, BillJ, Wed, 18 Sep 2002 16:19:18
- This prompts me to take my standard car up there..., Zip, Fri, 20 Sep 2002 07:25:06
- How did you figure drivetrain losses? Base dyno run?, Aaron Gilbert, Thu, 19 Sep 2002 00:04:54
- Interesting to see how Maptun compares to my SQR 9000, KevinY, Wed, 18 Sep 2002 17:42:59
- Well I think they are quite impressive. Maybe..., jj, Wed, 18 Sep 2002 17:17:59
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