Going from 10 to 20 inch wheels at the same rpm will be three times
as fast not twice - C= pi D :-0
Bob Kitterer
1960 Austin Healey Sprite (Mk IV in disguise)
1966 Austin Healey Sprite Mk III (Trevor) - still in boxes
2000 Miata Special Edition
On Oct 21, 2008, at 11:58 AM, Lester wrote:
> For example a 20 hp bike motor that will turn 6000 revs (and
> pretending that the tranny is direct drive) will turn the tires
> 6000 revs. If those are 10 inch circumference tires then the bike
> will go speed x,(no, I'm not going to calculate it out.) but if you
> have 20 inch circumference tires then the bike will go twice as
> fast *** IF *** it is not limited by drag and that the engine can
> turn the 20 inch circumference tires at 6000 revs.
_______________________________________________
Support Team.Net http://www.team.net/donate.html
http://www.team.net/archive
http://autox.team.net/mailman/listinfo/spridgets
|