I'm beginning to think that you are making your project more complicated
than necessary so that you'll never have to finish it!  :)

On Jan 13, 2008 7:17 PM, Andrew Grebneff <
andrew.grebneff@stonebow.otago.ac.nz> wrote:

> >Well, I'd be curious about this air shift thing.
> >But what one normally would do for your situation is change the ratio of
> the
> >shifter.
> >Like if you extend it at the bottom, so the bottom moves further for
> >movement of the top...........you can get what you want.
> >   If you extend the part above the pivot say 16 inches sounds like it
> might
> >do it, you then make the bottom longer by ...........just guessing
> >...............two to three inches.
> >But it's a lever. Levers have ratios, and you just adjust things around
> to
> >suit your needs.
> >Like this..........if 20 percent longer on top is long enough, then you
> >lengthen the bottom part 20 % also.
> >If that doesn't make perfect sense you can pmail me if you want.
> >Heck, make a dummy out of 1 X 2 wood and experiment around, not in the
> van,
> >just on your work bench.  But you want to extend both ends an equal
> amount,
> >not in inches, but in percent of lengthening.   Same percentage increase
> top
> >and bottom.  Works just like a see saw.
> >Scott
> >www.turbovans.com
>
> Yes, but the longer the lower section is, the less leverage the top
> section (the one you push) has on it, making the shifts more & more
> difficult as the leverage decreases. Dunno, I guess I'll have to play
> around with drawings. Better get me an image of one of those 911
> short-shift kits as a basis...
>
> As to the airshift, I begin to suspect that my mechanic helper is
> confusing manual shifts with dragracing auto shifters.
> --
> Andrew Grebneff
> Dunedin
> New Zealand
> Fossil preparator
> Seashell, Macintosh, VW/Toyota van nut
> � Opinions stated are mine, not those of Otago University
> "There is water at the bottom of the ocean"  - Talking Heads
>

-- 
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/