DSG shifting speed.. Any delays?
12-08-2005, 08:11 PM
#1
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DSG shifting speed.. Any delays?
In my area, traffic dictates an auto-shifter, but when running on the back roads, I want resposive manual shifting, which I have not been able to find in the Tiptronics. (A4 Tip always shifted "sometime later" I could push the lever and get my hand back to the wheel before it even started to change gears.)
How does the DSG tranny respond when you poke the paddles? Does complete the shift before you can get your finger off?
Also, since it preselects the next gear in sequence, I assume that if you're downshifting from 4 to 3 for a corner, it will preselect 2 for the next change.
What happens if you change directions, calling for an upshift from 3 to 4 again? Is there a delay while it changes the next half of the trans from 2 back to 4 before switching clutches?
How does the DSG tranny respond when you poke the paddles? Does complete the shift before you can get your finger off?
Also, since it preselects the next gear in sequence, I assume that if you're downshifting from 4 to 3 for a corner, it will preselect 2 for the next change.
What happens if you change directions, calling for an upshift from 3 to 4 again? Is there a delay while it changes the next half of the trans from 2 back to 4 before switching clutches?
12-08-2005, 08:27 PM
#2
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Fastest tranny in production
it tries to guess, if ur decelerating, to pick the next lowers gear, or if accelerating, the next highest. If shifts faster that a human in either case, even if you try to confuse it and decelerate in 2nd but go for 3rd * but slower than normal.
12-08-2005, 08:57 PM
#3
Here are the minimum shift times of sequential manuals
Audi/VW DSG
8 ms upshift 40 ms downshift
BMW SMG II (M3 E46)
80 ms
Ferrari F1 (Maserati 4200GT)
80 ms
Ferrari F1 (360 F1)
150 ms
Ferrari F1 (Enzo)
150 ms
Bugatti Veyron (proposed)
200 ms
Ferrari F1 (575M)
220 ms
BMW SMG (M3 E36)
220 ms
Aston Martin Vanquish
250 ms
BMW SSG (3-series)
250ms (150ms for 1st to 2nd)
Alfa Selespeed (156 Selespeed) (old)
700 ms<ul><li><a href="http://www.autozine.org/technical_school/gearbox/tech_gear_manual.htm">source</a></li></ul>
8 ms upshift 40 ms downshift
BMW SMG II (M3 E46)
80 ms
Ferrari F1 (Maserati 4200GT)
80 ms
Ferrari F1 (360 F1)
150 ms
Ferrari F1 (Enzo)
150 ms
Bugatti Veyron (proposed)
200 ms
Ferrari F1 (575M)
220 ms
BMW SMG (M3 E36)
220 ms
Aston Martin Vanquish
250 ms
BMW SSG (3-series)
250ms (150ms for 1st to 2nd)
Alfa Selespeed (156 Selespeed) (old)
700 ms<ul><li><a href="http://www.autozine.org/technical_school/gearbox/tech_gear_manual.htm">source</a></li></ul>
12-08-2005, 09:30 PM
#4
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Click the paddle, and it's in the next gear before the paddle has returned 90% of the time.
And the other 10% it's predictable. Either the "trick situtuation" you mention, or more substantial RPM match needed for a downshift. Even there, it's fast as hell.
So fast that it takes a bit of getting used to.
Perfectly suited to switchbacks.
So fast that it takes a bit of getting used to.
Perfectly suited to switchbacks.
12-09-2005, 06:23 AM
#7
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Holy crap! 8ms? It felt fast, but I didn't realize it left all others in the dust.
It's the only automanual I have ever driven, so I didn't know what to expect, but faster than the F1 and SMGII? wow.
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12-09-2005, 08:55 AM
#8
AudiWorld Super User
YES! it's faster than F1. I have driven both...
It's not even close. You can't feel it changing in DSG. It's just done.
The F1 shifters are attached to the column though. And you CAN stall it out.
<img src="http://i13.photobucket.com/albums/a279/iMryanmac/ryanscamera225.jpg">
<img src="http://i13.photobucket.com/albums/a279/iMryanmac/ryanscamera233.jpg">
The F1 shifters are attached to the column though. And you CAN stall it out.
<img src="http://i13.photobucket.com/albums/a279/iMryanmac/ryanscamera225.jpg">
<img src="http://i13.photobucket.com/albums/a279/iMryanmac/ryanscamera233.jpg">
12-09-2005, 09:04 AM
#9
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Drool. Can't you also shift the F1 into neutral by pulling on both paddles or something?
That's a nice feature I would like on the A3. Also, change the shifter from that crap-looking tiptronic version to something like the F1's stub.
12-09-2005, 09:24 AM
#10
Agreed. Having driven F1, E-Gear or Selespeed, it's much faster. It's the dual clutch.
I understand that it's why BMW has pulled SMG as an option from most cars at the moment, as they not only tool up for their own version of this gearbox, but also get ready to introduce the 3.5 inline 6 cylinders.