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Old 27th September 2009, 21:49   #21
Dragrad
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Default Crankshaft Failure

Finally picked up the old engine bits today. Had a look at the crankshaft and with a metallurgist with me arrived at the following conclusion.... Its broken!!

Seriously though it does look as if there had been a weakness developing for a long time, maybe even from manufacture with a pitted area comprising nearly half the diameter of the shaft. So it was a case of when would it go as opposed to if. The other half was good clean shear
Attached Images
File Type: jpg flywheel2 (Medium).JPG (68.7 KB, 86 views)
File Type: jpg crankshear (Medium).JPG (46.0 KB, 81 views)
File Type: jpg flywheel3 (Medium).JPG (65.9 KB, 69 views)
File Type: jpg Piston (Medium) (Small).JPG (70.1 KB, 64 views)
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Last edited by Dragrad; 27th September 2009 at 22:10..
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