Re: [MV] Pre-selective gearboxes

safe male (safemale@iexpress.net)
Thu, 04 Jun 1998 23:59:36 GMT

On Fri, 5 Jun 1998 00:11:48 +0100, you wrote:

>
>-----Original Message-----
>From: Andreas Mehlhorn <a.mehlhorn@t-online.de>
>To: lazarus@nmia.COM <lazarus@nmia.COM>
>Cc: mil-veh@skylee.com <mil-veh@skylee.com>
>Date: 04 June 1998 21:27
>Subject: Re: [MV] Pre-selective gearboxes
>
>
>Laurel Pearl schrieb:
>> I was just looking around on Douglas Greville's page and came upon the
>> warning regarding pre-selective gearboxes. Having only driven a manual
>> and an auto, i have never heard of this type of transmission. Would
>> someone be so kind as to explain how they work/are driven?
>
>>Dear Laurel,
>
>>a pre selective gearbox is a mechanical gearbox with a mechanical =
clutch.
>>The difference is, that you don't have a big gearshift lever. You only
>>have a little (most electrical) switch. To shift the gears they don't =
use
>>your muscle power, they use electric power or air pressure or vacuum.
>>
>
>Hi,
>
>Andreas is quite right in his description, however you will find the =
Wilson
>pre-selector in the Ferret, Saracen and Saladin a little different in =
that
>there is a "clutch" pedal in the expected place which isn't in fact a =
clutch
>at all but the gear change pedal; people who have mistakenly used it as =
such
>rapidly burn out the epicyclic gearbox brake bands.
>
>These vehicles have a fluid flywheel so you can think of them as a "1/2"
>automatic and will therefore start and stop using only the brake and
>accelerator.
like a 1948 mopar fluid DRIVE
butt they had a disk clutch behind the torkconvter
you was able to set in hi gear and slip the tork convert to start
off from a light=20
i never driven it i just know ed wont I hear ed=20

>
>Richard
>(Southampton UK)
>
>
>
>=3D=3D=3D
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