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Check this transmission out

 
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands
PostPosted: Sun May 16, 2010 9:35 am    Post subject: Check this transmission out Reply with quote
go and see. seems sound to me. Only thing I don't like is that you'll need an electromotor to spin the 'second' shaft. But as they say, this doesn't need to be a powerful one, just enough to get to that speed (which takes always the same amount of power, no matter how much power you're putting through the whole transmission)

http://www.gizmag.com/steve-durnin-ddrive-d-drive-infinitely-variable-transmission-geared/15088/
_________________
"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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CorsePerVita  



Joined: 25 Jul 2008
Posts: 1992
Location: Redmond, Oregon
PostPosted: Sun May 16, 2010 9:49 am    Post subject: Reply with quote
that is some awesome engineering
_________________
- 1977 Porsche 924 2.0 N/A (Trackday Project)
- 1979 Porsche 924 2.0 N/A (The other daily)
- 1980 Porsche 931 (Daily)
- 1987 Lamborghini Jalpa
- 1999 Ducati 900SS
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands
PostPosted: Sun May 16, 2010 9:56 am    Post subject: Reply with quote
CorsePerVita wrote:
that is some awesome engineering


if only they could use the transmission's power for controlling the speed of the shaft... but that, paradoxally, involves a transmission again.

This could be a great transmission to use combined with an electric motor on a car. You could use a far smaller motor and run it on power instead on just torque.
Means smaller batteries etc. too
_________________
"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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9XX Girl!  



Joined: 20 Sep 2009
Posts: 1617
Location: Cornish Riviera SW England
PostPosted: Sun May 16, 2010 11:13 am    Post subject: Reply with quote
No, just fit two engines in your 924,

924 engine up front to operate the bottom shaft gear ratios
D Dive gearbox where the back seats are
911 air cooled engine in the rear.

still three peddles: one brake, clutch no longer needed, two throttles

forget left foot breaking, left foot throttle more like
_________________
924 (84) N/A 2 ltr - 5 Speed - BLACK - Project (looking for 200BHP, any ideas!)
924 (81) N/A 2 ltr - 3 Speed Auto - SURINAM RED (Metallic) - Near Original Spec (sticking with originality)
BOTH ON THE ROAD, BOTH USED EVERY-OTHER DAY
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