Re: [ST] gear and engine resistance

["Brian D ." <brd@xxxxxxx>]

On Thu, May 29, 2003 at 12:19:17PM +1000, Philip Las Gourgues wrote:
> Brian D . wrote:
> >
> > If the engine provided more resistance to turning in 1st, then you
> > wouldn't push-start a bike in 1st or 2nd.
> 
> You don't. I normally go for third and I'd probably go higher if I wasn't
> lazy :-)

Well, actually I've only done it in 2nd, same on the car.

> OK at say 20km/h the bike is going to be reving harder in 1st than in 6th
> isn't it? Therefore in a low gear for any given amount of rotation of the
> back wheel you're moving the pistons up and down further (more times), hense
> less leverage (harder to turn).
> 
> Or to put it another way you have to turn the rear wheel further to move a
> piston from BDC to TDC in a higher gear, therefore more leverage (easier to
> turn).
> 
> If you don't believe me, try it. Put the bike on it's centre stand or race
> stand, stick it in first gear and try to turn the back wheel (I'll be
> impressed if you can turn it at all). Then put it in 6th and try again, you
> should be able to slowly push it past TDC.

Hrm, you may be right.  I think the whole reason I had it in 6th was
because that's what the T shop manual recommended, though?

Laters,
Brian
- -- 
Euless, TX
'97 VFR 750 (red, of course)
'99 Sprint ST(black, RIP)

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