| Author |
Message |
wm hart (Whart)
Intermediate Member
Username: Whart
Post Number: 1253
Registered: 12-2001
| | Posted on Friday, June 13, 2003 - 5:28 pm: | |
Yeah, remember those cars, like the DeSoto, with the push button transmission on the dash? Launch control circa 1956. Sputnik started it. |
Ben Cannon (Artherd)
Member
Username: Artherd
Post Number: 437
Registered: 6-2002
| | Posted on Friday, June 13, 2003 - 2:23 pm: | |
Isn't half the fun feathering yourself? ;)
No, seriously, launch control lights the tires just a little bit, for the max coefficent of friction, so you're just GONE. Hey, anything banned in F1 has got to be cool, right?
PS: feathering... that's not dirty.
Best!
Ben.
|
Rob Schermerhorn (Rexrcr)
Member
Username: Rexrcr
Post Number: 674
Registered: 11-2002
| | Posted on Friday, June 13, 2003 - 7:27 am: | |
The computer cuts injectors in random order and may modulate throttle to achieve a pre-programmed slip value for the drive tires vs. the undriven tires. The idea is to maximize the traction available for acceleration. A tire produces maximum grip at one specific slip value, below this threshold, you're not putting as much power to the pavement as you could, above this threshold, you've reduced traction and if you continue to increase slip, you just melt the rubber. Your foot is not as quick as the computer. The computer launch control turns you into a professional every time. That's why it's so great.
FWIW, for about $1500, Race Logic builds a system for the aftermarket that's adjustable, and has launch control. It works very well, and if you have ABS, installs quite easily.
Race Logic
I've had my system for almost four years and love it, especially in the winter. It's fun on the track, too. |
Hans E. Hansen (4re_gt4)
Intermediate Member
Username: 4re_gt4
Post Number: 1494
Registered: 4-2002
| | Posted on Friday, June 13, 2003 - 1:50 am: | |
Hmmm....
Just re-read that. "Feather yourself". Sounds just a little weird. |
Hans E. Hansen (4re_gt4)
Intermediate Member
Username: 4re_gt4
Post Number: 1493
Registered: 4-2002
| | Posted on Friday, June 13, 2003 - 1:49 am: | |
It's available on the Challenge Stradale in the US.
The computer feathers the throttle so that the rear tires don't go up in smoke. You could rev, dump, and feather yourself, but probably not as accurately. |
martin j weiner,M.D. (Mw575)
Intermediate Member
Username: Mw575
Post Number: 1020
Registered: 5-2001
| | Posted on Thursday, June 12, 2003 - 11:33 pm: | |
l.c.NOT AVAILABLE ON US CARS-AVAILABLE ON 575MM IN EUROPE,NOT SURE ABOUT REST OF WORLD. |
neal (95spiderneal)
Junior Member
Username: 95spiderneal
Post Number: 164
Registered: 3-2002
| | Posted on Thursday, June 12, 2003 - 8:23 pm: | |
yeah but whats difference from just dumping clutch or left braking an auto tranny? i dont get what makes lc a big deal. |
Omar (Auraraptor)
Member
Username: Auraraptor
Post Number: 695
Registered: 9-2002
| | Posted on Thursday, June 12, 2003 - 7:47 pm: | |
Launch at highter rpms then a normal street start...faster acceleration...and faster wear on clutch, but you only live once...
Spin tires? Remember to take of traction control. |
neal (95spiderneal)
Junior Member
Username: 95spiderneal
Post Number: 163
Registered: 3-2002
| | Posted on Thursday, June 12, 2003 - 7:46 pm: | |
was just reading about LC and dont get how it works. push buttons, press brake with left foot, press gas, then what? when you let off brake, car goes so what's so special about that? please explain to me
thanks |