Re: Gearbox Coupling Plate
- From: "Drifter" <thedrifters@xxxxxxxxxxxxx>
- Date: 30 Aug 2005 02:22:44 -0700
Eddie Green wrote:
> Why dont you post this to uk.rec.engines.stationary The combined knowledge
> and experience on that group is staggering.
Thanks for that Eddie. Have done.
Tony H
>
> "Drifter" <thedrifters@xxxxxxxxxxxxx> wrote in message
> news:1125390944.337938.53870@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >A question for the technical wizzes.
> >
> > Those who have followed the saga will know that I recently had my
> > second-hand BMC 2.52 rebuilt by Peter Atkinson at Farncombe
> > Boathouse on the River Wey. Unfortunately he died two weeks ago.
> > Luckily for me he had rebuilt the engine and bench tested it before
> > that sad day, so things could have been far worse.
> >
> > However, the gearbox, a Newage Coventry Ser No: 24-14565 is still off
> > the engine. I can't find a type plate on the box, but it is one of the
> > bigger ones about 25 years old [though hardly used, like the engine.]
> >
> > There is a circular aluminium drive plate that bolts on to the engine
> > flywheel. It has three shaped lugs on it facing back towards the
> > gearbox. On the gearbox shaft is a similar circular plate made of
> > steel, also with shaped lugs projecting forward. It appears to be held
> > in place by a bolt tapped into the end of the splined shaft. The
> > 'shapes' on the lugs don't match up, but the two halves face up
> > together, giving about a quarter of an inch play in rotation.
> >
> > When Peter stripped the engine he told me that 'rubber biscuits'
> > should have been fitted between the lugs, but they were never there!
> > However, as the engine had only done about 30-40 hours running, no real
> > wear had taken place on the lugs.
> >
> > Having inspected the drive coupling myself, I don't see how loose
> > rubber 'biscuits' could be located on assembly. After all, the coupling
> > is inside the bellhousing, so on assembly you couldn't get at it.
> >
> > I am now wondering if these two plates, one on the engine, and one on
> > the gearbox shaft are in fact two halves of a coupling assembly that
> > has broken apart when Peter took the gearbox off. The only other
> > gearbox drive couplings I have seen were shock-absorbing assemblies
> > that replaced a clutch.
> >
> > I suspect I will have to find a new coupling from somewhere.
> >
> > Can anyone shed any light?
> >
> > Much appreciated.
> >
> > Tony H
> >
.
- References:
- Gearbox Coupling Plate
- From: Drifter
- Re: Gearbox Coupling Plate
- From: Eddie Green
- Gearbox Coupling Plate
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