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  #11  
Old 10-07-2016, 07:37 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by joeboisselle View Post
I'm going to say the only flex on a tank is going to be from temperature changes. Way too many pieces in there to allow any flex during flight.
Aircraft structures (like most structures) continuously bend and flex during flight, no such thing as a "rigid' aircraft.
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  #12  
Old 10-07-2016, 08:08 PM
Kyle Boatright Kyle Boatright is offline
 
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There are a few (maybe only one) datapoints for Green Locktite. It may be *the* answer, but I'd rather wait to use it until 50 airplanes have been flying successfully for 20 years with it as a sealant.

I put a lot of faith in tens of thousands of existing aircraft fuel tanks that were successfully sealed with proseal.

The biggest cause I've seen for proseal failure was poor mixing technique. I helped a couple of airport neighbors with a weeping rivet on their airplane. They attempted to seal it with proseal, but it wouldn't cure. Later, I examined their mixing cup and it appeared that they hadn't been thorough when they mixed the batch. We cleaned off the goo from inside the tank, thoroughly mixed a new batch of proseal (from the same cans), applied it, and it cured in a couple of days.
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  #13  
Old 12-08-2019, 01:19 PM
scarter770 scarter770 is offline
 
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Default Loctite 290

Loctite 290 also will Florese with UV light so once wicked you may be able to identify it on inside of tank.
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