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The symptoms of a 3 bearing crank failure?
#51
(12-11-2018, 11:33 PM)Hedd_Jones Wrote:
(12-11-2018, 10:36 PM)Tony Press Wrote:
(12-11-2018, 02:05 PM)Hedd_Jones Wrote:
(10-11-2018, 12:44 AM)Tony Press Wrote: Our Club Secretary had a comprehensive engine failure with a Club three bearing crank when returning from a Club run earlier this year. The faiilure is through the rear web.

He has now has a new engine with a two bearing crank.
Isnt that a 2 bearing crank in a 3 bearing case with the middle bearing hacked out?


The original three bearing crankcase was a little far gone to 'hack out the middle bearing' so he replaced it with a two bearing crankcase and new crank.

Smile  Smile

He had a two bearing crank before it broke

You are correct of course- I was confusing two failures.  Huh

The one under discussion was a two bearing ADI process crank- he wanted to build a three bearing engine with new crankshaft but the only three bearing crank available was another ADI shaft and he wouldn't use this.
He now has a replacement two bearing crankcase with a Phoenix crank.
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