Quote:
Originally Posted by topgun
On the January 9th page, you posted your final drivetrain speed. When I run those calculations through the JVN calculator I only get 100% efficient speeds of 18.92 ft/sec and 6.81 ft/sec, whereas the blog posting shows 19.8 ft/sec and 7.1 ft/sec.
What would explain the difference?
I used CIMs at 5310 rpm free speed and the gearing showed on the blog posting.
Thanks.
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We used 5550 rpm free speed. Our measured efficiency on the bench ended up being 90-95% with a free speed of about 18.5 ft/sec with no weight on the wheels.