Jerry Lehrer wrote:
Naw! What he really means is that the main wing spar has the web made of aluminium and the spar caps are made of a different metal. This leads to bi-metallic corrosion in which the least anodic metal is corroded away.
Probably Don could explain it better, as I just had 3 Margaritas and might have difficulty explaining metallurgical problems.
Glad to hear from Don again.
Don Williams wrote: [...]
Turns out that the main spar in those machines is bi-metal and they self-destruct over time and have to be completely replaced for a safe rebuild."Bi-metal?" Please explain, Don.
the only bi-metal I know is in a thermostat! ;-)
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