[rollei_list] Re: I'm back!

  • From: Jerry Lehrer <jerryleh@xxxxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Thu, 06 Jul 2006 17:48:30 -0700

Kieth,

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.

Jerry

keith_w wrote:

> 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!  ;-)
>
> keith
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