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Water tight shafts

Post your favorite modeling 'tips' and 'tricks'

Water tight shafts

Postby cyclops2 » Sat Mar 03, 2007 9:19 pm

I wonder if what I did on a 8' Higgins PTB prop shafts and rudders will work on a diving subs planes, rudders and props.
I put all the 1/4" SS bearings in a small glass cup with a blob of front wheel bearing grease and then put it into a turned off oven that was at 300 degrees. Let them sit till grease was a liquid. Removed the cup and put it into the 5 degree freezer for about 1/2 hour. Removed them. At room temperature I slowely spun them with a drill to work out excess grease.
True, the boat is powered by a 41# trolling motor thru timing belts, but it has never leaked at any opening.
Can the grease hold against a worst case of 5' down ?

Thanks for any help.
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