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Repair/replace h-18 transom
http://www.hobie.com/au/en/forums/viewtopic.php?f=20&t=13262
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Author:  mrkurtz [ Mon Jul 27, 2009 3:16 pm ]
Post subject:  Repair/replace h-18 transom

I am finally getting around to fixing my H-18 transom. Wind pushed my parked hobie into a fence and the rudder broke out a chunk (most) of the transom. I cleaned and cut, and have only about 1" or less of a lip right left and bottom.

I put in an access port, and I have my fiberglass materials ready to go.

My question is: Should I try and emulate what was there before, with fiberglass/thin foam/fiberglass? or should I just build it completley with fiberglass? It's not that much foam in that layer, maybe less than 1/4 inch.


I realize with solid glass there will be a slight weight factor. I am also wondering if it will be stronger, or perhaps, without the foam, more brittle and weaker? Maybe the glass/foam/glass gives it more flexibility?

My plan was to put in a thin piece of foam, like builder's blue-board, to match the core, and fiberglass on both sides, inner and outer.

I am not racing this boat, just having fun, but I would like to have my repair stay in place.

Am taking photos. Will post as repair continues.

Thanks.

Author:  MBounds [ Tue Jul 28, 2009 5:40 am ]
Post subject:  Re: Repair/replace h-18 transom

Just be aware that polyester resin attacks (dissolves) styrene foam.

Not a problem if you're using epoxy.

Divinycell foam is what's used in the original construction.

Divinycell from Jamestown Distributors

Author:  mrkurtz [ Tue Jul 28, 2009 8:26 pm ]
Post subject:  Re: Repair/replace h-18 transom

I was wondering where that thin piece of foam I so carefully cut went!

Thanks,

A

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