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PostPosted: Wed May 11, 2016 6:46 pm 
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Site Rank - Deck Hand

Joined: Sun Jun 08, 2008 12:24 am
Posts: 19
Location: Kailua, Oahu
The hulls of my H16 need to be repaired, as a novice fiberglass worker, what product types should I use?
Specifically: What weight of glass? What type of resin? Poly or epoxy? Any specific products you like or dislike? What grit of sandpaper?
If I don't care about the look, do I need to gel coat?
Thank you for any help!
Danny


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PostPosted: Thu May 12, 2016 9:04 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 3462
Location: Jersey Shore
The choice of materials depends on what type of repair you're doing. What exactly is it that you need to fix?

sm


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PostPosted: Fri May 13, 2016 11:32 am 
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Site Rank - Deck Hand

Joined: Sun Jun 08, 2008 12:24 am
Posts: 19
Location: Kailua, Oahu
The bottom of the hulls have cracks in them and are worn down very thin. I want to reinforce and strengthen them.


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PostPosted: Fri May 13, 2016 1:34 pm 
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Site Rank - Old Salt

Joined: Sun Dec 23, 2007 1:20 pm
Posts: 352
Location: Clearwater, FL
Check this article out:

"The Bottom Job - This Old Hobie" by Rick Buchanan on pages 12 & 13 of the Sept/Oct 2008 Hotline.

http://www.w1dm.com/projects/hotline/08-09-10%20HOTLINE.pdf

_________________
Tim
82' H16
Blue Prism
Sail # 88863
Clearwater, FL
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PostPosted: Sat May 14, 2016 3:43 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 3462
Location: Jersey Shore
Bottom job-

8oz glass tape in varying widths. Polyester (or vinylester) resin. Possibly 3/4 oz mat (if you need to rapidly build up areas). Sand paper, 80 to 220 grit for prep. Higher if you want to gelcoat and finish. A fellow Hobie sailor turned me on to the roloc sanding disk. Use it in a right-angle drill and it works very well for rapid material removal/prep. Acetone, brushes, mixing cups & sticks, dust masks/respirator, lots of disposable gloves.

Check out the above Hotline article too. Lots of good info there.

sm


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