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-   -   2013 Viper vs. 2013 Vette (http://www.motorgen.com/forum/showthread.php?t=51806)

BADDASSC6 09-09-2013 08:48 AM


So this review is kinda bullshit. They are clearly hyping up the new Corvette. Corvette needs a dual clutch setup.

Vettezuki 09-09-2013 12:06 PM

Quote:

Originally Posted by BADDASSC6 (Post 121257)
Track Tested: 2014 Chevy Corvette Stingray vs 2014 Nissan GT-R -- Edmunds.com - YouTube

So this review is kinda bullshit. They are clearly hyping up the new Corvette. Corvette needs a dual clutch setup.

Concur. Wonder what the cost differential is for a DC? Maybe it's like $10k, putting the entry point in the 60s instead of 50s. If so, that's probably why. It'll happen of course, but the price has to be right. The value equation is most important for Vettes.

enkeivette 09-09-2013 12:44 PM

How does a dual clutch help anything? They should make it an automatic clutch like the Ferraris have

Vettezuki 09-09-2013 01:48 PM

Quote:

Originally Posted by enkeivette (Post 121277)
How does a dual clutch help anything? They should make it an automatic clutch like the Ferraris have

DC, which can be computer shifted, is almost instantaneous; no drop in power delivery to the wheels. Big difference in reality.

BADDASSC6 09-09-2013 07:47 PM

Quote:

Originally Posted by enkeivette (Post 121277)
How does a dual clutch help anything? They should make it an automatic clutch like the Ferraris have

So the Ferrari transmission at least the older ones, actually release one gear and grab another very quickly. There is a moment in time where there is no forward driving force. Dual clutch transmissions like Nissan, Porsche, and BMW use two clutches. One cut he is engaged and upon up shift the second clutch grabs the next gear and the first clutch free wheels then positions on the next gear. This results in a continuos application of driving force. It's faster and cheaper. They are worth a few MPH and about 1/2 a second.

Vettezuki 09-09-2013 09:26 PM

Quote:

Originally Posted by BADDASSC6 (Post 121305)
So the Ferrari transmission at least the older ones, actually release one gear and grab another very quickly. There is a moment in time where there is no forward driving force. Dual clutch transmissions like Nissan, Porsche, and BMW use two clutches. One cut he is engaged and upon up shift the second clutch grabs the next gear and the first clutch free wheels then positions on the next gear. This results in a continuos application of driving force. It's faster and cheaper. They are worth a few MPH and about 1/2 a second.

Cheaper than what? How? That's surprising to me, but I don't deeply understand the tech and the differences. I imagined something more complex (expensive) than a standard manual transmission.

Leedom 09-09-2013 11:05 PM

Quote:

Originally Posted by enkeivette (Post 121277)
How does a dual clutch help anything? They should make it an automatic clutch like the Ferraris have

Almost like How Stuff Works was created for this stuff.
http://www.howstuffworks.com/dual-cl...ansmission.htm

BADDASSC6 09-10-2013 06:51 AM

Quote:

Originally Posted by Vettezuki (Post 121307)
Cheaper than what? How? That's surprising to me, but I don't deeply understand the tech and the differences. I imagined something more complex (expensive) than a standard manual transmission.

They are in fact cheaper than the Ferrari transmission. It's easier to get the dual clutch working than a single clutch set up capable of shifting in 50 msec.


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