I've already read up on it. I was surprised to see how it works.
CR
On 1/31/2010 1:24 PM, Hans Duinhoven wrote:
> I never studied the DSG principles, but
> http://en.wikipedia.org/wiki/Direct-Shift_Gearbox gives a nice
> explanation. BTW Audi calls this gearbox Tip-Tronic
>
>
> Cheers,
>
> Hans
> ----- Original Message ----- From: "Charley & Peggy Robinson"
> <ccrobins@ktc.com>
> To: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
> Cc: "Hans Duinhoven" <h.duinhoven@planet.nl>; <mgs@Autox.Team.Net>
> Sent: Saturday, January 30, 2010 10:28 PM
> Subject: Re: [Mgs] wanted - now DSG 7 speed
>
>
>> The Prius will sort of freewheel with the engine shut down at speed
>> below ~40 mph. It's called "gliding" by those who know how to
>> extract this behavior from the car. It isn't really freewheeling,
>> it's a matter of MG1 spinning at a speed that allows the engine to
>> cease rotation - possible in a 3-way planetary gearset.
>>
>> Have you read up on how the DSG gearbox(s) work?
>>
>> CR
>>
>> On 1/30/2010 10:31 AM, Paul Hunt wrote:
>>> Interesting if the designers have decided to freewheel and keep the
>>> engine ticking over rather than keep the momentum of the car
>>> spinning the engine and shut off the fuel completely, it implies the
>>> former is more economical. Mind you if you have stop/start then it
>>> could do both i.e. use no fuel *and* have minimum drag. The
>>> computer restarting the engine and matching revs to road speed as
>>> well as engaging the appropriate gear and clutch.
>>>
>>> PaulH.
>>>
>>> ----- Original Message -----
>>>> ... This gearbox gets into a "free" coasting state whenever the
>>>> speed is over 20 Km/h or higher and the throttle pedal is fully
>>>> released.
>>>> But whenever I apply the brakepedal, the DG box immediately engages
>>>> the right gearnumber for the current speed.
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