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#1
19-05-2010, 12:51 PM
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The D-Drive Infinitely Variable Geared Transmission
This is going to be an excellent step up from the current CVTs transmissions available.
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RS Liberty - Because WRX's are only good for parts... Last edited by Mister Two; 19-05-2010 at 01:12 PM. 
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#3
19-05-2010, 01:13 PM
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I thought I fixed that. Must have hit preview instead of save. Fixed now.
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RS Liberty - Because WRX's are only good for parts...
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#5
19-05-2010, 01:27 PM
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Efficiency and strength will be the issues to overcome to make it commercially viable in cars. For lawn mowers and scooters it could be a good option.
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Arguably my Automobile is Awash with Alliteration - Subaru Sti S202
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#6
19-05-2010, 06:12 PM
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Killer idea.
But "Ring Gear" makes me laugh every time.
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Balls.
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#7
19-05-2010, 06:19 PM
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Would be great for big gear like haul packs where you can just have a big diesel idling at 1500RPM. Means no need for the generator/electric motor drive setup.
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Balls.
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#8
19-05-2010, 09:08 PM
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Call me a sceptic but the guy's too late. Honda have been using the exact same concept in their electric power steering for some years. They use an electric motor to control the speed of the ring gear* to vary the ratio applied through the Sun and Planetary gears. * If you find the words 'ring gear' amusing, it's correct name is 'annulus' lol.
There's nothing revolutionary about it. It's the same as a car with an open diff running on a jack with the drive wheels both off the ground. If the tailshaft speed remains constant and you slow or stop one side the other side increases speed. Drive one side faster with an electric motor and the opposite side slows or stops. It took the guy 20 years of his life to work that out?
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| Tags |
| ddrive, geared, infinitely, transmission, variable |
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