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Debate about Mark Langford's 3rd crank failure

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Will Aldridge

Well-Known Member
Joined
Oct 30, 2009
Messages
997
Location
Northern Utah
Those who are reasonably familiar with the Corvair movement will recognize Mark Langford's name. He is/was the posterchild of the Corvair movement. Near the end of Nov 2011 he suffered his 3rd crank failure and damaged his plane in a forced landing(he walked away unharmed).

This incident brought up a serious question about the reliability of OEM Corvair crankshafts. I will not take any side in this debate but thought I would start this thread with links to both Mark Langford's and William Wynns comments on the subject for the convenience of those who are interested.

1. Marks initial report on the crank failure. Crank Break #3

2. William Wynns Rebuttal: Mark Langford’s Crank Issue « flycorvair

3. Marks Response: WW
 
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