Archived posting to the Leica Users Group, 2003/12/13

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Subject: Re: [Leica] RE: Farm Tractors &SUV's(direct shift twin clutch gearbox)OT
From: Frank Dernie <Frank.Dernie@btinternet.com>
Date: Sat, 13 Dec 2003 16:11:44 +0000

Fitting synchro to a gearbox designed without it would not be likely to 
be possible. A synchro box needs a larger physical gap between the 
gears in the box. You don't need to change gear on the move on an 
agricultural tractor, as long as you plan ahead!
Frank

On Saturday, December 13, 2003, at 03:23  pm, Johnny Deadman wrote:

> Do you think they would do a retrofit onto the tractor?
>
> On Dec 13, 2003, at 7:21 AM, Frank Dernie wrote:
>
>> There will be less wear on syncro rings if you double de-clutch 
>> correctly, however judging whether you are doing it correctly is 
>> difficult with a syncro box unless you know what to feel for. If the 
>> syncro rings are not the limiting factor in the transmission life 
>> saving them won't help:-)
>> Frank
>>
>> On Saturday, December 13, 2003, at 11:54  am, Patrick Jelliffe wrote:
>>
>>> Hi Frnak,
>>>
>>> Should I be double clutching when I downshift my Volvo
>>> 544?  I have the standard 4 speed, and single
>>> clutching seems fine, but I'd like to get another 40
>>> years out of the tranny...
>>>
>>> Regards,
>>>
>>> Patrick
>>>
>>> --- Frank Dernie <Frank.Dernie@btinternet.com> wrote:
>>>> Excellent - I believe it works extremely well AFAIK
>>>> developed by
>>>> Porsche racing quite a few years ago - I have
>>>> forgotten the name they
>>>> gave it.
>>>>
>>>>
>>>> On Saturday, December 13, 2003, at 11:09  am, animal
>>>> wrote:
>>>>
>>>>>
>>>>
>>> http://www.audi.com/com/en/new_cars/driveline_suspension/
>>>>
>>>>>
>>>>
>>> directshiftgearbox/technicaldetails/technicaldetails.jsp
>>>>> nice idea no?
>>>>>
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> John Brownlow
>
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