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3-bearing engine - Magazine Cover

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3-bearing engine - Magazine Cover
Ritchie Wilson Offline
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Joined: Aug 2017 Posts: 60 Threads: 5
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Location: Christchurch NZ
#4
30-03-2020, 02:53 AM
Bob, Jack Cotton had a scheme for reinforcing the centre-main and making the 3-bearing crankcase less liable to flex by bolting an aluminium casting to the base of the crankcase where the mesh is usually.
A diagram was in one of the 750 Club Bulletins and is reprinted in "Design for Competition" (1966).
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RE: 3-bearing engine - Magazine Cover - by Ritchie Wilson - 30-03-2020, 02:53 AM
RE: 3-bearing engine - Magazine Cover - by Jamie - 30-03-2020, 07:26 AM

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