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PostPosted: Sun Aug 06, 2017 2:46 pm 
Site Rank - Deck Hand

Joined: Tue Jun 01, 2010 10:06 am
Posts: 5
Had a weather event (almost a tornado) come thru the marine and flipped my Hobie 18SX on its port side. Only damage that I have found so far is the port wing, which was snapped off from both mounting brackets (very clean breaks). After looking for wing parts and finding none, now thinking of have sleeves installed and TIG welding the wings back together.
Is this a feasible fix?
Besides finding a good weld shop, what do I need to know and aluminum, tubing used to make the wings (type, diameter, thickness,...)

Thanks in advance,
DC Shear
HC18SX #2077

PostPosted: Wed Aug 09, 2017 2:17 pm 
Site Rank - Old Salt

Joined: Wed May 25, 2011 3:15 pm
Posts: 479
Location: Buffalo, NY
When you say it broke off from the mounting brackets, do you mean the "endcaps" riveted into the legs of the wing broke off where the legs "hinge" from the hull?

If the caps broke right through the bolt hole that the wing is slid onto the stud that sticks out from the crossbar, welding them probably won't work. Those pieces are an aluminum casting, and welding cast material doesn't work. Cast material (be it aluminum or steel) is very brittle and porous, and any weld will crack away from the casting. However, the legs themselves are 6061 aluminum tubing, and you could very likely have some other end cap fabricated and welded or riveted to the end of the leg.

'79 H18 standard 'Rocketman II' sail #14921

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