Yes I think all is true & contributes to the failure but the endfloat
is the killer. There's a lot of shock thrust load going on in there
during on/off throttle, especially when second comes up against third,
& the tophat is supported only by contact with the end of the third
gear bush.
Glen
-----Original Message-----
From: Peter Vucinic <pvucinic@netspace.net.au>
To: RustyTR4@aol.com; vinttr4@geneseo.net; fot@autox.team.net
Sent: Tue, 17 Jun 2008 9:25 am
Subject: Re: [Fot] top hats
You have a rotational/twisting force/pressure and a thrust/longitudinal
pressure all acting on the same piece of bronze/component, all at the
same
time and/or in any combination at any time. Along with this factor is
the
lack of a decent internal radius where there thrust portion of the bush
meets the journal portion of the bush. This leads to a 'weak' area where
these two features meet, and as a result of 'point loading' at this
position, the thrust portion of the bush usually 'breaks' away from the
bush
portion.
We'll that's my take on the problem!
Kind Regards
Peter Vucinic
TR-4 WORKS
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-----Original Message-----
From: fot-bounces+pvucinic=netspace.net.au@autox.team.net
[mailto:fot-bounces+pvucinic=netspace.net.au@autox.team.net] On Behalf
Of
RustyTR4@aol.com
Sent: Tuesday, 17 June 2008 10:42 PM
To: vinttr4@geneseo.net; fot@autox.team.net
Subject: Re: [Fot] top hats
I think it's play in the main shaft, as things ware the gears move on
the
main shaft, and that what's cracks the collar.
Matt
Matt Bakes
Triumph Rescue
(610) 845 - 8217
_www.TriumphRescue.com_ (http://www.triumphrescue.com/)
British Wiring, Inc.
866-461-9050
_www.BritishWiring.com_ (http://www.britishwiring.com/)
617 Walnut St.
Bally, PA. 19503
**************Gas prices getting you down? Search AOL Autos for
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