Nev,
Thanks for the answer, such input really makes a difference.
Ralph
Reno,NV
MG(parts)
NevEyre@aol.com wrote:
>
> Hi John and all,
> The pip pin MUST be fitted on the Port side.
> It is there to stop the end of the Starboard spar tang migrating aft under
> load, and pulling the rigging cup off the back of the Port spar, and jamming
> against the aileron belcrank.
> Under load testing, [ for the 1370 lb upgrade ] we established that as G
> loads are increased, the tang will move aft. The initial mod was to put the
> strap on the Port spar, to contain the starboard spar, but that failed to
> control
> the rearward shift [ admitedly at loads over 8 G], so the pip pin was
> introduced, this does, with the washer bonded to the rear of the rigging cup,
keep
> it all together.
> The pin needs to be shimmed forward, with the thin washers bonded to the
> port seatback bush, so the balls are up against the washer on the rigging cup
[
> slight play is needed to ensure the balls always ''pop'' out ]
> The aileron quick connect belcranks will need to be trimmed, there is a
> drawing of that , somewhere in the Manual [ don't have one to hand] but once
you
> have shimmed the pin with the wings on, take the wings off, and refit the pin,
> it will be obvious which part of the belcrank is in the way.
> Have fun, but do take care !
> Cheers,
> Nev.
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