Thank you very much, Graham - I always appreciate your views and
suggestions.
For now, I will closely monitor the new third hinges (as well as all the
others, of course!) and see whether the slop appears also on these.
Best regards,
Svein
----- Original Message -----
From: "Graham Singleton" <grahamsingleton@btinternet.com>
Sent: Wednesday, October 22, 2008 10:42 PM
Subject: Re: Europa-List: Aileron hinge wear
> <grahamsingleton@btinternet.com>
>
> Lisbet og Gert Dalgaard wrote:
>> Hi Svein
>> You take out the hinge-pin, form it as an "S" (app. 20 deg. on each
>> bend), and tap it careful back in the hinge - after that you have
>> solved the problem.
>> Regards Gert
>> OY-GDS
> This used to happen with the EZs. Some aircraft had their ailerons "buzz"
> vibrate within the boundary layer. Putting a Flettner strip on cured it
> but most of them fixed it by using a Teflon tube same OD as the original
> hinge wire and filling that with a stainless hinge pin. Andy Draper did
> research it but had trouble fining the right wire.
> You could try emailing Gary Hall,
> http://www.uslan.com/hinge-kit.html
> AFAIK he still sells the kits.
>
> Bill Theeringer used to do kits too,
> The teflon sleeving is 14 gauge electrical, has an OD of 0.125, a wall
> thickness of 0.010, an ID of 0.105,
> and uses a 0.094 302 SS welding rod pin. This results in a 0.011 slop
> around the pin. I recomend cutting the teflon at each hinge juncture so
> the teflon is captivated and rotates aroind the pin. Mine has over 1000
> hours on it and shows no sign of wear. You can put a warp in the pin to
> eliminate the slight slop, but I think this will result in pressure points
> that will facilitate wear. My personal opinion only.
> Graham
>
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