FS18 Minimalistic

Power Boats only. Please include the boat type in your question.
PapaDave
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Re: FS18 Minimalistic

Post by PapaDave » Fri Mar 15, 2019 3:40 pm

Thank you for the advice and experience with the skeg gentlemen. I cut one up from 3/4 inch plywood, 7/8 inch tall and 8 feet long. I sanded the second coat of filler and then noticed that the boat moved away from the lower sides of the mold (sheer line) 1/2 inch all the way around at every station. Not a big deal (easily pushed in with minimal pressure) but I found it interesting. It was in perfect contact at all stations prior to fiberglassing and then moved. Anyone else have this happen? It will be an easy fix once it is flipped over though. Still need a third coat of fairing after I install the skeg. Thank you for the suggestions.
Dave
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joe2700
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Re: FS18 Minimalistic

Post by joe2700 » Fri Mar 15, 2019 4:06 pm

PapaDave wrote:
Fri Mar 15, 2019 3:40 pm
Thank you for the advice and experience with the skeg gentlemen. I cut one up from 3/4 inch plywood, 7/8 inch tall and 8 feet long. I sanded the second coat of filler and then noticed that the boat moved away from the lower sides of the mold (sheer line) 1/2 inch all the way around at every station. Not a big deal (easily pushed in with minimal pressure) but I found it interesting. It was in perfect contact at all stations prior to fiberglassing and then moved. Anyone else have this happen? It will be an easy fix once it is flipped over though. Still need a third coat of fairing after I install the skeg. Thank you for the suggestions.
Dave
In my experience if you fiberglass one side of a piece of plywood that side will constrict curving towards the glassed side. Same thing could be happening to you boat, pulling the panels outward off the frames. I think I saw something similar, but I'm really just guessing here, don't take it as fact.

PapaDave
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Re: FS18 Minimalistic

Post by PapaDave » Fri Mar 22, 2019 3:13 pm

The sides settled back in after a few days about half way back. Almost complete with the fairing :D . Attached the skeg, one rub rail, and 1st coat on rear chine sharpening. Looking forward to a flip.
Dave
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TomW1
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Re: FS18 Minimalistic

Post by TomW1 » Fri Mar 22, 2019 3:23 pm

Make sure you stop the skeg about 12" from the transom.
Restored Mirror Dinghy, Bought OD18 built by CL, Westlawn School of Yacht Design courses. LT US Navy 1970-1978

PapaDave
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Re: FS18 Minimalistic

Post by PapaDave » Fri Mar 22, 2019 6:09 pm

I ended up setting the skeg at 13 inches from the transom. Thanks for the suggestion.

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