Double clutchin, what the hell is it?

profurious · 2003-03-06 16:02:24

Link Fixed (Syncro) (http://auto.howstuffworks.com/transmission4.htm)

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Mar 8, 2003

#31

MadWheel

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Link Fixed (Syncro)

Mar 9, 2003

#32

Renamazazo

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Quote:

Quote
[hr]Originally posted by: CuRiOuSfIsH
This may be a weird question... but wouldnt it waste time to take it out of gear, release clutch, tap gas, press clutch, shift into gear? Isnt it faster and easier just to step into clutch, tap gas and shift into gear at the same time, then release clutch?
I also was wondering, someone in the previous page wrote 3 different double clutch techniques.. I learned one that was pretty much for drag only, where if you come off the line and dont have enough RPM's just step into clutch and tap gas and drop clutch. And of course there is the other 1 for proper engine speed/road speed/gear speed optimisation on downshifts. I tend to use it fairly often in the snow..... engine braking really helps in the snow.[hr]

You originally had to double clutch every time you downshifted with cars without synchro's because without them the gears wouldn't mesh right, more importantly, the layshaft wouldn't be spinning at the right speed. With cars with synchros' you don't need to double clutch, so your statment is correct, BUT, if you can't get the car into the gear you want, ie, Going from second to first at 20 MPH, this isn't very easy in our cars unless you double clutch. Now, try just revving your engine with the clutch in, this won't let you get in gear any easier, now let your clutch out in neutral, rev it to say 4300 rpms, and then push the clutch in and throw it in first real quick. THAT is double clutching.

-Mark

Mar 9, 2003

#33

CuRiOuSfIsH

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I agree with you Renamazazo. I see what you mean about shifting to 1st..... it wont let you in the gate very easily. Somehow, 1st gear is pretty easy if I really need to get into there. I usually have the clutch pedal down, and step on the gas while I push towards 1st, as soon as the gate opens, thats when I know I have about the right engine speed to match.