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Noah930 Noah930 is offline
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Join Date: May 2005
Location: Los Angeles
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Ah, I see. I think we're talking about 3 different scenarios. (And this is for downshifting, not upshifting. Even in a straight cut gear transmission you don't have to double clutch while upshifting.)

The first is double clutching (or double de-clutching, if you're using the Queen's English), as described by Fliegler in post #2.

The second is just single clutching and blipping the throttle once while downshifting, which I suspect Elford is referring to, and allowing the synchros to match engine and transmission speed.

The third is just letting the clutch out (no blip of the throttle) while downshifting.

I guess Quick Vic is right: in a synchro gearbox it's not absolutely necessary to double clutch, as a single clutch (and blip of throttle) will be sufficient. I've done it both ways. But double clutching is a nice skill to have for those few times in your life you'll be in a race car with a straight cut gearbox (or road car with broken/worn synchros). If you're doing it right, the accelerated wear on your clutch should be minimal, though I suppose the throwout bearing may wear quicker. But like they say about any race car driver, you can see the mark on the heel of his left shoe.
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Last edited by Noah930; 07-28-2010 at 08:27 AM..
Old 07-28-2010, 08:23 AM
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