What to use?

[srislash]

Well I just learned a good tip - Thanks

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In exchange , here's another method which works well to keep water from entering the joint between the stuffing tube and strut - cover the joint with siliconed-inside shrink ; has substantially cured water intrusion for me :

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Here I had to notch the strut to allow the shrink to slip on :

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Ditto Tony, can?t believe I didn?t think of it or discover it on here before.
And BTW, interesting rudder in the last pic you posted

[properchopper]

Ditto Tony, can?t believe I didn?t think of it or discover it on here before.
And BTW, interesting rudder in the last pic you posted