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Re: Europa-List: Rotax 912 exhaust springs going walkabout

Subject: Re: Europa-List: Rotax 912 exhaust springs going walkabout
From: Tim Ward <ward.t@xtra.co.nz>
Date: Wed, 4 Jan 2012 10:54:41

Graeme,
I was told to put some high-temp RTV Silicone gasket maker by Permeatex on the
springs between the wires to absorb the shaking. Haven't had a problem with 
them.
Don't know if it was due to the above application however they are still 
attached.
I also lock wire the to the muffler to avoid the departure.

Cheers,

Tim

Tim Ward
12 Waiwetu Street
Fendalton,
Christchurch,  8052
New Zealand.

ward.t@xtra.co.nz

Ph 64 3 3515166
Mob 0210640221


On 4/01/2012, at 9:49 AM, "graeme bird" <graeme@gdbmk.co.uk> wrote:

> 
> During 'shake down' flights we twice lost an exhaust spring, both front, left
then right, whether snapped or shaken loose, who knows. New engine, new springs,
new exhaust - why should this be? Applied with a string not pliers, Anyone
else had this? now wire locking but need more hours to see what happens.
> Maybe its the stiffness of the new engine creating lots of movement on 
> startup?
> 
> --------
> Graeme Bird
> G-UMPY
> Mono Classic/XS FWFD 912ULS/Warp drive FP
> Just Test Flying to obtain permit
> 
> 
> 
> 
> Read this topic online here:
> 
> http://forums.matronics.com/viewtopic.php?p=362354#362354
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 



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