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7 Apr 2006, 20:45 (Ref:1573436)
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#1 | ||
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Veteran
Join Date: Sep 2003
Posts: 1,074
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Electronic remote gear change
In early stages of designing/building a mid-engine, transaxled car.
How to connect gear stick and gearbox? Rods - complex and sticky; cables - simple but unreliable. Why not 'change by wire'? Joystick for the driver, solenoids to move the selector levers? Zero feedback, but otherwise is this do-able? Has it ever been done? Comments please! John |
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8 Apr 2006, 12:22 (Ref:1573845)
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#2 | ||
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Veteran
Join Date: Sep 2003
Posts: 1,767
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Nearly every FSAE team has ran some sort of pneumatic or electric solenoid operated gearshift at some stage. Drag bikes run pneumatic shifters too. Ultra fast and (usually) idiot proof.
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__________________
"...full of sound and fury, yet signifying nothing...."
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8 Apr 2006, 22:08 (Ref:1574184)
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#3 | ||
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Veteran
Join Date: Sep 2003
Posts: 1,074
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I just LOVE the iluminated on-wheel instrumentation, the multiple function 'Fingur-trol' switches and convenient 'Mount-NE-Ware' bracketing.
We are unworthy, even as idiots. |
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10 Apr 2006, 16:42 (Ref:1577782)
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#4 | ||
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Veteran
Join Date: Oct 2002
Posts: 1,618
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Its a little more complicated than a rod or cable because of the feedback issue. It needs to confirm its in gear before it puts power back on and a number of other things electronically. The timing circuits and programming get complex fast. And thats just dealing with a bike motor and tranny meant to be shifted sequentially
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__________________
I refuse to let fact get in the way of my opinion
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