RE: Tailplanes

[McFadyean <ami@mcfadyean.freeserve.co.uk>]

As I understood it, a stainless TP tube could not be procured in the 
optimum diameter and wall thickness and/or was too expensive to turn-down 
---From heavier stuff. My senile memory seems to retain all totally unuseful 
data!

Duncan McFadyean

On Tuesday, January 15, 2002 12:42 AM, Graham Singleton 
[SMTP:grasingleton@avnet.co.uk] wrote:
> >  However just out of
> >interest I know that the torque tube is NICKLE plated so I guess it 
isn't
> >stainless otherwise it wouldn't plate.
> >Not that the plate stays on long! Don't know about the TP12 and TP9 
Parts
> >though.
>
> AFAIK the torque tube is 4130, stainless isn't strong enough. The bushes
> are stainless though.
> graham
>