I think that you are probably correct. Fretting due to vibration is the
most likely cause of wear. And of course wear accellerates with increased
wear.
Merry Christmas
Andy
>Hinge Pins.
>
>IMHO the problem with these is not ultimate or even fatigue strength but
>wear under intermittent and vibrating loads. After all the load on the pin
>is shared by 7 or 8 sections of the same pin.
>My eyeball feeling is that the Teflon will even out the load on the wire
>and greatly reduce the wear rate.
>Graham
>
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