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arcosine · 12-30-2010, 11:03 AM

I wouldn't worry about bearing drag... its infinitesimal. The main concern would be pumping losses and engine/drive friction.

Roman, what RPM is the engine when at 100 kph?

12-30-2010, 11:03 AM	#64 (permalink)
arcosine Master Ecomadman Join Date: Nov 2010 Location: Chicago area Posts: 1,156 sc1 - '98 saturn sc1 Team Saturn 90 day: 43.17 mpg (US) Airplane Bike - '11 home built Carp line Tour rans - '97 rans tailwind tractor - '66 International Cub cadet 129 2002 Space Odyssey - '02 Honda Odyssey EX-L 90 day: 28.25 mpg (US) red bug - '00 VW beetle TDI big tractor - '66 ford 3400 red vw - '00 VW new beetle TDI 90 day: 58.42 mpg (US) RV - '88 Winnebago LeSharo 90 day: 16.67 mpg (US) Thanks: 20 Thanked 337 Times in 227 Posts	I wouldn't worry about bearing drag... its infinitesimal. The main concern would be pumping losses and engine/drive friction. Roman, what RPM is the engine when at 100 kph?