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Rear Axle

 
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calex_fr
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Joined: 18 Jul 2008
Posts: 408
Location: Champagne (France)

PostPosted: Wed Dec 17, 2008 8:39 pm    Post subject: Rear Axle Reply with quote

I think we have on our Phase 2 Olympic a Morris Minor / Austin Healy Sprite Rear Axle, like 40 :



What do you think of the opportunity to fit an LSD ?
Not for going buy bread on the morning Wink

http://www.quaife.co.uk/Morris-Minor-ATB-differential
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Alexandre Contat

from France
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Rodsmith
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Joined: 16 Jun 2008
Posts: 187
Location: Pembrokeshire, West Wales

PostPosted: Wed Dec 17, 2008 8:56 pm    Post subject: Reply with quote

I think it is a Riley 1.5 axle, which is identical to the one you have shown, except I think the brakes are bigger and the diff ratio is 3.7:1. I would think that an LSD for an MG midget would fit straight in.

I notice others on here have a Ford Escort axle, and I now have bought one to fit. There are many diff ratios easily available for these "English" type axles. I believe that they are quieter, in use, than the BMC (Riley) axle. There are so many modifications- LSD, disc brakes, etc- for the Ford axle.

Were some P2s built with a Ford axle, as original?

Question for Paul Gething, and Dave M- What diameter, and what thickness tube should I buy to make rear radius arms, if I 4 link it ? I know that Paul has done it, and Dave earlier said that he was sourcing tube.
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Paul Gething
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Joined: 10 Feb 2006
Posts: 91
Location: Redditch Worcs UK

PostPosted: Thu Dec 18, 2008 7:13 pm    Post subject: Reply with quote

Rod

As I have a wife and two kids I used 1" outside diameter tube with an 8swg wall thickness (1/8th of an inch).

You could make it lighter with a thinner wall but I wanted to make sure that it would not break. Lots of torque, sticky tyres, limited slip diff...."no achy breaky heart"



Alex I used a 'salisbury LSD' they are quite readily available.
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Rodsmith
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Joined: 16 Jun 2008
Posts: 187
Location: Pembrokeshire, West Wales

PostPosted: Thu Dec 18, 2008 8:46 pm    Post subject: Reply with quote

Thanks for the dimensions Paul
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Dave-M
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Joined: 20 Jan 2006
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Location: Yorkshire, England

PostPosted: Thu Dec 18, 2008 10:12 pm    Post subject: Reply with quote

Rod, 25mm sq & 2mm wall, similar reasons as Paul G plus. being square, it will be easier to align and weld with my limited abilities.
Alex, A series half shafts are supposed to snap like carrots when you have a good level of power !!!!
Dave
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Ph.2 Ford 1500 GT
GT with Rochdale Chassis
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Rodsmith
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Posts: 187
Location: Pembrokeshire, West Wales

PostPosted: Thu Dec 18, 2008 10:18 pm    Post subject: Reply with quote

Thanks Dave- looking forwards to seeing the resulting pics!
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Paul Gething
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Location: Redditch Worcs UK

PostPosted: Thu Dec 18, 2008 11:24 pm    Post subject: Reply with quote

Dave-M wrote:
A series half shafts are supposed to snap like carrots when you have a good level of power !!!!
Dave


You know, I only ever had one go.....and that was when my Wife was competing at a Lotus Drivers Club day. Rolling Eyes

The buggers break off at the end of the splines in the diff and because the splines get slightly twisted, when they break, it is a devils own job to get the half shaft out of the axle and only then can you remove the diff to get the little slug of half shaft out.

I had got changing a Diff down to about half an hour.....but when the shaft went it, took an hour just to hammer it out with a ball joint splitter. I have 2 spares both are uprated and if ever the current shafts go I will replace them with the toughened ones.

Oh yes.....After replacing the broken shaft, my wife went on to win the Ladies Trophy much to the chagrin of all the 'WAGS' who were driving hubbys Elans, Europas and Sevens..........Good on ya Gal.
Cool
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