Hi guys,
Maybe if a slot is machined across the flat side of the specia
l washer the size of the nut across the flats there would be no need for a l
ong handle and lots of swearing :)
Regards
Kevin
Ps an EDM wire cutting m/c would do the job curve and all.
Sent from my iPhone
On 16 Oct 2012, at 21:47, GRAHAM SINGLETON <grahamsingleton@btinternet.com> w
rote:
> Stephan
> that's a very neat solution. In fact it's probably the smartest answer I'v
e seen yet.
> Graham
>
> From: Stephan Cassel <stephan@scassel.se>
> To: europa-list@matronics.com
> Sent: Tuesday, 16 October 2012, 18:15
> Subject: Re: Europa-List: Re: Mod 73 - slightly different
>
> Hi Europa pilots/builders
>
> I did the mod 73 per instructions five years ago and at first it looked go
od. After a short while the play was back.
> My assembly was perhaps a bit tighter then normal so the Loctite did not p
enetrate enough.
>
> In order to get rid of the play I made =9Cspecial=9D washer, s
ituated inside the torque tube. Now it was possible to tight the tubes hard t
ogether.
> The result was a zero play system. Complete solid for 5 year (340 hours) .
I know another builder that has solved the play in the same fashion with co
mplete success.
>
> Here is draft drawing that shows the parts involved. In my case it was onl
y necessary to change the outer bolts:
> http://aero2012.scassel.se/Images/tailplanemod.PNG
>
> It is necessary to create a spanner with looong shank. I used a wooden sti
ck and strapped the spanner to it. After 30-40 minutes and some swearing (no
t much) it was tight, very tight I may add.
>
> Additionally I made a thin black line, 4-5 cm long, on fuselage when TP tr
ailing edge was fully down, parallel with TP skin. This reference line makes
it very easy to catch very small play over time.
> So far the TP is still on the reference line. I check this on every pre fl
ight.
>
> Best regards
> Stephan
> LN-STE Mono in Norway.
>
>
>
>
> href="http://www.matronics.com/Navigator?Europa-List";>http://www.matroni
clow" target="_blank" href="http://forums.matronics.com/";>http://forums.
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>
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