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 Post subject: bend in comptip
PostPosted: Wed Aug 04, 2010 4:53 pm 
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I had a chance to pick up a free mast and this mast has a bend in the comptip. Not the aluminium. Anyone have any experience with this happening? Can sun/heat and a poor storage position cause the comptip to sag? What is the correct way to store a comptip mast? I think the guy had it laying in his yard for years. Any chance of fixing it? Its about a 1/2 to 1 inch curve. Thanks


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 Post subject: Re: bend in comptip
PostPosted: Wed Aug 04, 2010 5:10 pm 
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Location: Lake Norman, NC
Which way does it curve? if it curves toward the luff track then it's a-ok.

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 Post subject: Re: bend in comptip
PostPosted: Wed Aug 04, 2010 6:02 pm 
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Bends off to port. Bend starts in the middle of the comptip section. I think it's hosed.


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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 9:14 am 
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Location: Saskatoon, Sk. Canada
I have no experience with this but if you put a little pressure on it in the opposite direction, then take a heat gun and warm the area around the bend, I'm thinking if you warm the plastic slightly it may soften enough for you to straighten it out??

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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 11:41 am 
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Comptips are gelcoated fiberglass, not plastic, so I doubt that would work.

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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 4:02 pm 
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Location: Santa Cruz
Comptips are heat cured epoxy if I'm not mistaken, so heating might work.

Are there any stress cracks? If not, sail it until it breaks.

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Last edited by Sail Revolution on Fri Aug 06, 2010 5:04 pm, edited 2 times in total.

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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 4:52 pm 
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Location: Saskatoon, Sk. Canada
Now I feel really stupid! :oops: :?

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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 5:00 pm 
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Good thoughts here..Fiberglass is a short term for 'fiberglass reinforced plastic'. I learned that epoxy and polyester are just two different kinds of reinforcing plastic and epoxy has a lower melting point and deforms easier than polyester. I'm gonna take a queue from Roy and put it in the sun with a brace under the bend and weight the end. See what happens. In the meantime I will keep an eye out for a comptip. thanks,,


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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 6:01 pm 
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Here is a picture of my white formula comptip with the gel coat cracked off the fiberglass. Pretty plain to see the fibers really. Maybe it's heat cured epoxy though.

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 Post subject: Re: bend in comptip
PostPosted: Fri Aug 06, 2010 6:46 pm 
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Location: Jersey Shore
I would do as others have said...flip it over, put a little weight on it, and let it sit bent the other way for a while. We see this occasionally with composite windsufing masts. If someone leaves the sail rigged on the mast for too long (like at a rental where they keep the rigs set up for months at a time) the mast will take a set. The cure is to spin the mast 180 degrees and re-rig so it bends the other way. The fix should be the same for a fiberglass comptip.

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