[PSUBS-MAILIST] Through Hulls Complete?

["James Frankland" <james@guernseysubmarine.com>]

Hi All

Have a look at my motor through hulls and let me know what you think.  I sort of made it up from a design Emile sent me, Kittredge, and me.

I wasnt really sure what i was going to do, but i got in the workshop, started and this is what i ended up with....

http://www.guernseysubmarine.com/index_files/Page20723.htm

The main 28mm bar screws into the Minn Kota motor pods.  There is 15mm bore all the way through and then a 20mm bore at the motor end to create a "stop" for the epoxy fill.

I intend to put 2 long 4mm brass rods all the way through and fill the entire 20 - 15mm bore with epoxy.

There will be a washer welded on to the outside of the bar to create a stop and a plastic washer.  Also a square milled flat to attach the handle.  (all yet to complete)

Question:  Do i need to score or rough up the inside of the bore to create better adhesion for the epoxy?

And suggestions, thoughts?  I'm unclear with this bit, so any comments are welcome, even if its "thats a load of crap, do it again".

Kind regards
James