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Re: Europa-List: Mod 73 alternative

Subject: Re: Europa-List: Mod 73 alternative
From: Peter Zutrauen <peterz@zutrasoft.com>
Date: Tue, 23 Oct 2007 07:11:11
Hi Karl,

The only concern I would have is dissimilar metal corrosion on the torque
tube. Not sure how to prevent it between the alu and the torque tube plating
besides lots of grease.  I suspect that the grease will not be enough
however. With the sliding on/off and then sitting in one spot, I would
expect some metal on metal contact with the grease being wiped off.  Hope
I'm wrong, but I've seen too much dissimilar metal corrosion  in a variety
of situations.

Cheers,
Pete


On 10/22/07, Karl Heindl <kheindl@msn.com> wrote:
>
>
> My original plan was to replace both TP5 and TP6 with a single tube.
> After removing the TP5 I realized that there was no point at all in
> removing
> the TP6. It is only necessary to ensure that it cannot move inboard, which
> would then allow the TP12 to disconnect from the tailplane etc. etc.
> I simply replaced the TP5 with a longer alu tube from ACS, part number
> 03-37900. This butts right up against the TP6, and there is no way this
> can
> ever move inboard. The tube is made of 6061 T6 aluminum.
> Advantages:
> A straightforward mod.
> No cutting into the tailplane.
> No misalignment problem with TP5 and TP6.
> A permanent solution. ( assuming that there was a problem in the first
> place.)
> If anyone is interested I can give more details on how I did it.
>
> Cheers,
>
> Karl
>
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