Rev Matching Blips on Downshift.
Discussion
bcr5784 said:
ORD said:
I can't say I mind that PDK will change down to avoid extreme labouring or stalling. I do mind the bloody kickdown function - that is infuriating (but a sensible safety feature, perhaps). It would be nice to be able to toggle kickdown on and off - on when driving on the motorway (because I have twice in past 5 years had to boot it to avoid someone sideswiping me as I overtake, and the 1/2 second to flick down two gears is too long) and off the rest of the time.
I assume that PDK-S doesn't have kickdown at all. Is that right?
I find kick down a pain too - but if there was distinct second pressure to invoke it as in autos of old it wouldn't be an issue. I assume that PDK-S doesn't have kickdown at all. Is that right?
I've got a 2009 Cayman S PDK, which I drive in 'Manual' mode 99% of the time.
There IS a very noticeable 'stop' at 100% throttle, which you have to deliberately push through to activate kick down.
I use 100% throttle at medium revs every day, and not once have I accidentally caused the car to kick-down when I didn't want it to.
Paul_M3 said:
I genuinely don't understand what people are talking about with regards to the kick-down.
I've got a 2009 Cayman S PDK, which I drive in 'Manual' mode 99% of the time.
There IS a very noticeable 'stop' at 100% throttle, which you have to deliberately push through to activate kick down.
I use 100% throttle at medium revs every day, and not once have I accidentally caused the car to kick-down when I didn't want it to.
Usually, yes. But we can all be a bit lead-footed from time to time. To be fair, it's happened to me twice in 2 years (and both incidents were on the same day).I've got a 2009 Cayman S PDK, which I drive in 'Manual' mode 99% of the time.
There IS a very noticeable 'stop' at 100% throttle, which you have to deliberately push through to activate kick down.
I use 100% throttle at medium revs every day, and not once have I accidentally caused the car to kick-down when I didn't want it to.
ORD said:
Usually, yes. But we can all be a bit lead-footed from time to time. To be fair, it's happened to me twice in 2 years (and both incidents were on the same day).
The stop isn't anything like as noticeable as the old kickdown switch under the throttle pedal used to be. I too have only done it a couple of times - but I do feel I have to watch for it, rather than make a very deliberate effort to invoke it.Ah, fair enough.
When people talk about it being a pain, I got the impression it was happening to them all the time.
I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
When people talk about it being a pain, I got the impression it was happening to them all the time.
I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
Paul_M3 said:
Ah, fair enough.
I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
I wonder that too. I don't actually know how the kickdown "switch" works. Presumably it's part of the fly-by-wire throttle, but if we knew how kickdown actually was invoked we might be able to make it more difficult to invoke by accident (squash ball under the accelerator springs to mind...).I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
bcr5784 said:
FrankCayman said:
I agree with Moose on this. PDK gearboxes are great and offer an alternative/preferred way of driving for some....but a PDK gearbox in manual mode isn't anything like driving a car with a manual gearbox. If you haven't got a manual clutch, it isn't a manual. You can't have 'half a manual' car....
There are any number of half way houses Almost all motorcycles have a clutch, but you can change up without using it (and always would on the track) and if you have a seamless box as motogp bikes you don't need it going down, just for starts. The same applies to many race cars - with a dog box (FF F3 etc) you don't use the clutch going up the box and with some sequential boxes use of the clutch is optional going down. And then there were manual (H pattern) boxes with a torque converter - (NSU RO80) some H pattern boxes with an electrically operated clutch when you touch the lever. Not to mention the Ford Model T where you change gear with the "clutch" pedal. And then of course there are a variety of preselector gearboxes...Edited by FrankCayman on Friday 26th June 07:18
Edited by FrankCayman on Friday 26th June 07:18
Edited by bcr5784 on Friday 26th June 12:39
Edited by bcr5784 on Friday 26th June 12:58
bcr5784 said:
Paul_M3 said:
Ah, fair enough.
I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
I wonder that too. I don't actually know how the kickdown "switch" works. Presumably it's part of the fly-by-wire throttle, but if we knew how kickdown actually was invoked we might be able to make it more difficult to invoke by accident (squash ball under the accelerator springs to mind...).I was beginning to wonder if the 'stop' on my car was more difficult to overcome than other peoples.
As an idle thought, you could probably inhibit the kickdown switch. (Or maybe fit a non-PDK pedal which I assume is slightly different)
Paul_M3 said:
I'm pretty sure it's literally a switch, that activates once the pedal goes past the stop. I know for a fact it's not inferred off the the throttle position potentiometer as I've run data logging software looking at throttle position. It sees 100% at the stop, pushing past does not increase the value.
Thanks for that - spot on. Still think it should be stiffer, but at least I know what I'm looking for.Anyway about those auto blips on the man box.......
What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
Red 5 said:
Anyway about those auto blips on the man box.......
What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
I would be very surprised if it doesn't make the throttle more sensitive (so more 'go' for the same amount of pedal travel). Annoys the hell out of me that the pedal has so much almost dead travel in the first place, but hey ho! What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
Anyway about those auto blips on the man box.......
What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
What exactly does the Sport Plus button do to a CGTS, other than activate this function (that I hate)
If it does bugger all else, then great, as I can stay in Sport mode.
My car isn't here for another month, but this has been bugging me!
anonymous said:
[redacted]
I agree. It has some of the nice things that we traditonally associate only with manuals (because a torque converter auto doesn't have them), but all that means is that it is a better form of auto! For example, the relationship between the throttle and the engine feels a lot more direct in a PDK, but that just shows it's an advanced auto box.
anonymous said:
[redacted]
What I find really weird is how desperate the Luddites are to pretend that PDK doesn't offer many (but clearly not all) of the attributes of the manual gearbox, purely to try and justify their own preferences...anonymous said:
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Because that's not true in many ways.anonymous said:
[redacted]
Not really a different world from a torque converter auto though is it.... It's a better resolved version of one in that it shifts (much) faster but apart from that, it's basically one and the same? The ability to hold in gear irrespective of revs I'm fairly certain a good number of torque converter autos also did the same as I never did trigger an upshift when in manual mode in an older E39 530 auto that I can remember for example.anonymous said:
[redacted]
I've spent 25 years driving manual cars, so don't need you to lecture me about 'what I need to do to understand manual cars'...Once again (despite having had this explained to you previously) you fail to understand that some people can enjoy the merits of different types of gearbox and appreciate both PDK (PDK-S) and manual gearboxes.
No button pushing required...
Some people will never understand or accept another persons preference. I for one don't want a 2.5 Boxster (with the must have leather interior) or a Cayman that looks like a 4x4 (big tyres, small wheels) but we are all different! My Cayman GTS PDK is great - that's why I bought it.
Paul
Paul
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