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Old 05-20-2009, 02:04 AM   #16
everlast
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Join Date: Mar 2004
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Exactly what I was looking for.. I'm glad I'm not the only one who's thought of trying this out. I think it would be ****ing spectacular to drive.
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Old 05-20-2009, 07:42 AM   #17
Bullet Ride
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I found the patent for the Ikeya one http://www.pat2pdf.org/patents/pat6820515.pdf
starting from pg 31 is what we are looking for. Once again it will take some time to load as it is a 62pg patent.
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Old 05-20-2009, 06:27 PM   #18
Trekz
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Quote:
Originally Posted by Dinan_M5 View Post
found a patent for a fully mechanically operated sequential shift conversion
http://www.pat2pdf.org/patents/pat6843149.pdf (edit: takes a bit of time to load)
for a 4spd tranny but could be adapted for 5/6spd with another cam. The select on the bmw transmissions is different though so the only part of that design that applies is the cam, and even the cam would need to generate motion in 2 axis.

I definitely want to design and build one of these for a 4th year engineering project if I can get it approved (buy an old getrag to prototype on, then retrofit to a car with the same transmission). I would definitely try to incorporate the ability to grab neutral at any time though.
I would be willing to donate a tranny for you to prototype on aslong as i get it back for cheap when its done lol
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