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John asked:
> Is stress corrosion cracks in rivets unique to
Ercoupes,
> what causes it?
Aerobatics.
> can it be prevented?
Yes. Don’t do aerobatics.
> would it not apply to all aircraft?
Yes.
> which comes first the crack or the corrosion?
The aerobatics.
> In other words what is it all about as related
to rivets?
If you do aerobatics, you will (not may) over stress
an airframe that’s not designed for it. Rivets, as well as other parts
of the aircraft, can be damaged by the stress.
This response is only 15% tongue in cheek.
http://edburkhead.com
ed -at- edburkhead???.com (change
-at- to @ and remove "???")
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