My problem solved for front pylon that came away at the corner casting; thanks to my friend Stuart who almost cut his thumb off in the process!
The top of the pylon had severe wear and corrosion and was fixed by welding a similar shape piece - from an old BOOM - onto the trimmed old one halfway between the hull and the corner casting. The difficult part is digging out the old stuff - aluminum and epoxy - from inside the casting. Difficult as you will have a small, tight space to work above the hull.
Be sure to measure accurately so the new piece is correct length AND sits plumb on the old (now trimmed and ground) section all the way round.
Take it to the welder and have the space/gap welded BUT be sure a collar is then welded on top of that because my welding CRACKED soon after. I had to have it re-welded and now its fine with the collar over the top - 3 welds instead of one and it's held up well around the islands and rough seas here in North Queensland.
However, the other front pylon now needs the same repair. I can hear it cracking!
JohnEltin
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Catamaran-Dogamaran on YouTube
- starring Chloe the neigbour's dog http://www.youtube.com/watch?v=d1G9FpnTIOI