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Date:         Sun, 13 Jan 2008 19:17:20 -0800
Reply-To:     Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject:      Re: 1989-only 911 Turbo model designation & airshift kit?
Comments: To: Andrew Grebneff <andrew.grebneff@stonebow.otago.ac.nz>
In-Reply-To:  <f05100304c3b082f54778@203.167.171.51>
Content-Type: text/plain; charset=WINDOWS-1252

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/


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