GBOL & DSG Gearbox

Topics relating to Advanced Driving in cars
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MichaelAC
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Re: GBOL & DSG Gearbox

Postby MichaelAC » Sun Jul 30, 2017 10:21 am

Oh yes, sport mode would resolve the issue as it won't allow the revs to drop below 4,500 but that's not really ideal for normal driving and might be frowned upon on my observed drives with IAM :o)

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GTR1400MAN
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Re: GBOL & DSG Gearbox

Postby GTR1400MAN » Sun Jul 30, 2017 10:35 am

MichaelAC wrote:Oh yes, sport mode would resolve the issue as it won't allow the revs to drop below 4,500 but that's not really ideal for normal driving and might be frowned upon on my observed drives with IAM :o)

4,500 ! :o Does sound quite basic form of sport mode.

I used normal, sport, auto and manual on my test ... just where appropriate.
Mike Roberts - Now riding a Triumph Explorer XRT. My username comes from my 50K miles on a Kawasaki 1400GTR, after many years on Hondas of various shapes and styles. - https://tinyurl.com/mikerobertsonyoutube

waremark
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Re: GBOL & DSG Gearbox

Postby waremark » Sun Jul 30, 2017 10:42 am

As has slready been made clear different cars respond differently. I think that what the OP says he does in his car is fine. Most sensible examiners will be pleased if you explain the reasons for doing it a particular way in your car, providing the result is safe and smooth.

I suggest that you have to be prepared to drive different cars differently so you should not worry about the effect on your driving of manual cars.

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GTR1400MAN
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Re: GBOL & DSG Gearbox

Postby GTR1400MAN » Sun Jul 30, 2017 10:46 am

waremark wrote:I suggest that you have to be prepared to drive different cars differently so you should not worry about the effect on your driving of manual cars.

I still drive the the family Yaris which is manual. Added benefit of driving a dual clutch ... I now don't declutch as often as I used to un-necessarily. The downside is the odd time I forget to declutch coming to a stop and I'm reminded by a little engine judder. Not stalled it so far! ;)
Mike Roberts - Now riding a Triumph Explorer XRT. My username comes from my 50K miles on a Kawasaki 1400GTR, after many years on Hondas of various shapes and styles. - https://tinyurl.com/mikerobertsonyoutube

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MichaelAC
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Re: GBOL & DSG Gearbox

Postby MichaelAC » Sun Jul 30, 2017 11:09 am

Thanks waremark. my current observer does not disagree, it's just a talking point and interestingly, she also mentioned that as long as I talk my reasons through with an examiner, that would show my thought process and the reason.

As for the sport mode on my Audi, yes it is basic but that keeps it in the ideal revs for start of the power band in each gear. I don't use it.

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GTR1400MAN
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Re: GBOL & DSG Gearbox

Postby GTR1400MAN » Mon Jul 31, 2017 3:12 pm

While not related to the original question I thought I'd share these here.

An amazing Meccano DCT model controled by an old laptop and Qbasic. (some people have too much time, and skill, on their hands).



Then this page which contains some history of dual clutch boxes and some more info on the model. I was amazed to read that the dual clutch gearbox was originally thought of, and made, in 1939 by Andolphe Kegresse. Modern electronics have made it a viable reality.

https://www.selmec.org.uk/article_0004_ ... ssion.aspx
Mike Roberts - Now riding a Triumph Explorer XRT. My username comes from my 50K miles on a Kawasaki 1400GTR, after many years on Hondas of various shapes and styles. - https://tinyurl.com/mikerobertsonyoutube

kfae8959
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Re: GBOL & DSG Gearbox

Postby kfae8959 » Mon Jul 31, 2017 4:50 pm

That is brilliant. I'd love to see it close up! But doesn't DSG stand for "dual shaft gearbox"?

David

crr003
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Re: GBOL & DSG Gearbox

Postby crr003 » Mon Jul 31, 2017 5:48 pm

kfae8959 wrote:That is brilliant. I'd love to see it close up! But doesn't DSG stand for "dual shaft gearbox"?

David

"Direct-Shift" according to Wiki:

https://en.wikipedia.org/wiki/Direct-shift_gearbox

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GTR1400MAN
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Re: GBOL & DSG Gearbox

Postby GTR1400MAN » Mon Jul 31, 2017 5:53 pm

kfae8959 wrote:That is brilliant. I'd love to see it close up! But doesn't DSG stand for "dual shaft gearbox"?

David

DCT - Dual Clutch Transmission - Generic

DSG - Direct Shift Gearbox - Audi/VW

EDC - Efficient Dual Clutch - Renault

PDK - Porsche Doppel Kupplungs - Porche

I'm sure there are others. Manufacturers like to have their own name for them.
Mike Roberts - Now riding a Triumph Explorer XRT. My username comes from my 50K miles on a Kawasaki 1400GTR, after many years on Hondas of various shapes and styles. - https://tinyurl.com/mikerobertsonyoutube

waremark
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Re: GBOL & DSG Gearbox

Postby waremark » Mon Jul 31, 2017 8:16 pm

MichaelAC wrote:Thanks waremark. my current observer does not disagree, it's just a talking point and interestingly, she also mentioned that as long as I talk my reasons through with an examiner, that would show my thought process and the reason.

Pleased to hear you have a sensible Observer! (which I hope I am too).


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