California - Bay Area S2000 Owners California Bay Area S2000 Owners Group

double clutch

Thread Tools
 
Old Jun 16, 2003 | 06:56 PM
  #1  
tkdsungjin's Avatar
Thread Starter
Registered User
 
Joined: Jan 2003
Posts: 121
Likes: 0
From: pleasanton
Default double clutch

could someone tell me what double clutch is and how to do it?
does anyone know any cool driving techniques like drifting and stuff?
Reply
Old Jun 16, 2003 | 10:10 PM
  #2  
DongTran's Avatar
 
Joined: Mar 2003
Posts: 4,021
Likes: 1
From: San Francisco
Default

i suggest you take a class at some sort of driving school. that way, you can at least know how to get yourself some traction before forcebly losing it
Reply
Old Jun 16, 2003 | 10:11 PM
  #3  
DongTran's Avatar
 
Joined: Mar 2003
Posts: 4,021
Likes: 1
From: San Francisco
Default

http://www.skipbarber.com/drivingschool/de...efault.asp?sel=
Reply
Old Jun 16, 2003 | 10:31 PM
  #4  
hyperpm's Avatar
Registered User
 
Joined: Jun 2002
Posts: 5,396
Likes: 1
Default

I'm going to Thunderhill in July for performance driving school, you should check it out.
Reply
Old Jun 16, 2003 | 10:49 PM
  #5  
tkdsungjin's Avatar
Thread Starter
Registered User
 
Joined: Jan 2003
Posts: 121
Likes: 0
From: pleasanton
Default

wheres thunderhill?
do you have any info for that school?
thanks
Reply
Old Jun 17, 2003 | 08:40 AM
  #6  
2K2 S2K's Avatar
Registered User
 
Joined: Nov 2001
Posts: 318
Likes: 0
From: Bay Area
Default

Any other recommendations for driving schools? I remember the day I picked up my S, there was a mini meet at the dealer and someone told that was the first thing I should do. Should have taken that advice. 1 accident later that probably could have been avoided.
Reply
Old Jun 20, 2003 | 04:28 PM
  #7  
jia21's Avatar
Registered User
 
Joined: Jun 2003
Posts: 4
Likes: 0
From: cherry hill
Default

c.c - i wear stilletos while driving and i wanted to know if the heel-toe downshifting is in any way better than double clutching. it is nearly impossible to break with the left side of my foot and blip the gas pedal with the right side of my narrow heels. breaking with my toes and revving with the heel of my foot (i.e ) with my shoes doesn't seem to work either because i miss the gas pedal at times. i rev-match/double clutch so i think i drive fine but i wanted to know if the heel-toe method was better for the car.
Reply
Old Jun 20, 2003 | 05:07 PM
  #8  
Voodoo_S2K's Avatar
 
Joined: Aug 2001
Posts: 17,792
Likes: 4
From: Bay Area, California
Default

Originally posted by hyperpm
I'm going to Thunderhill in July for performance driving school, you should check it out.
I'm probably going too.
Reply
Old Jun 22, 2003 | 01:01 PM
  #9  
monkeymaker's Avatar
Registered User
 
Joined: Apr 2002
Posts: 507
Likes: 0
From: East Bay
Default

Double-clutching is for race cars whose transmissions do not have synchros. The S2000 tranny has synchros. Double-clutching our car is a waste of time that could better be spent accelerating. Heel-toe is not the same thing as double-clutching. Sure, the rev-match is an element (even a goal thereof) of both techniques, but the two techniques are mutually exclusive.

To be specific about defining it, double-clutching is when the clutch is pressed to shift the tranny to neutral and again to shift into gear. Heel-toe, as you know, only requires the clutch to be pressed once.

Oh, and compression braking is not all that bad for your clutch. Don't be afraid to do it if on the street if you need to slow down in a hurry. On the track it gets pretty hairy if you do it when you're near the limit though.

For a primer on track days and how to prepare yourself and your car, check out this link. BTW~ using the racetrack to learn how to heel-toe is not a top priority for first-timers.

hyperpm ~ Which group will you be running in at ThunderHill in July? If you're in the beginner's group, I'd be happy to be your instructor. I've been out at that track in my S2000 many times.
Reply
Old Jun 23, 2003 | 04:32 PM
  #10  
rzrsedg's Avatar
Registered User
 
Joined: Oct 2001
Posts: 306
Likes: 0
From: San Francisco
Default

Originally posted by monkeymaker
Double-clutching is for race cars whose transmissions do not have synchros.
-> rev matching downshifts is REQUIRED for square cut race gearboxes
-> double-clutch downshifts accomplishes this
-> upshifts are inherently rev-matched (ie - there's no such thing as a double-clutch upshift)

Originally posted by monkeymaker
The S2000 tranny has synchros.
-> true; it does

Originally posted by monkeymaker
Double-clutching our car is a waste of time that could better be spent accelerating.
-> who accelerates while downshifting?
-> I downshift under breaking
-> I upshift when I accelerate

Originally posted by monkeymaker
Heel-toe is not the same thing as double-clutching.
-> true; not the same thing

Originally posted by monkeymaker
Sure, the rev-match is an element (even a goal thereof) of both techniques, but the two techniques are mutually exclusive.
-> false; they are not mutually exclusive
-> see below

Originally posted by monkeymaker
To be specific about defining it, double-clutching is when the clutch is pressed to shift the tranny to neutral and again to shift into gear.
-> double clutch is like this:
1) clutch in
2) shift to neutral
3) clutch out
4) blip (rev match)
5) clutch in
6) shift to lower gear
6) clutch out

Originally posted by monkeymaker
Heel-toe, as you know, only requires the clutch to be pressed once.
-> heel-and-toe is just using one foot to press the brake and gas pedals at the same time
-> this allows the rev-match throttle blip to occur while breaking
-> heel-and-toe is a misnomer; most drivers use either side of the right foot - press the brake with the left side and roll the foot to the gas with the right side
-> you can double clutch and heel-and-toe at the same time
-> you can blip without double clutching
-> you can blip without heel-and-toe

Want to be a better driver?

1) Go autocrossing:
www.geocities.com/nasa_autox/
www.sfrscca.com/solo2
www.americanauto-x.com

2) Read:
Going Faster by Carl Lopez


-Sean
Reply



All times are GMT -8. The time now is 04:04 PM.