Another FS17 Build Thread

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Cowbro
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Re: Another FS17 Build Thread

Post by Cowbro »

mineratt wrote: Fri Jan 07, 2022 11:21 am
The boat will eventually have a center console, 40hp outboard, and go out of Morro Bay.
Sweet. I dragged my HMD19 down to Morro bay last May, it is a cool little spot with good access.



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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

I finished stitching the panels on the boat. The bow was a bit of a pain and required a lot of stitching and re-stitching to get the four quadrants aligned close enough. They could still be pulled together a little more evenly but for now i will let the wood relax a little and step back for a little perspective.

Things that i have learned so far;
If you are gluing the panels together on a concrete floor, they will take forever to setup if the floor is cold - even if the air temperature is acceptable.
When I put the transom together I put wetted mat or cloth between each panel, when I put a weight on top of them to sandwich them all together they slid all over the place, Two skinny nails (partially imbedded) cured the sliding, then the wrights were no problem. I used that approach with the stringers and they went together the first time.
I miss-cut the 13 degrees on the transom side of the strong back, after aligning everything I placed the transom on the strong back and wedged the base (tope side) until 13 degrees and alignment with the stringers and "knees" was achieved, then locked it down.
I marked the centerline of each frame/form for alignment on the strong back (ran a string down the center just below the frames/forms. Then I aligned the keel line both optically and with a string. The two methods were not identical, i averaged between the two and took measurements of the extensions off the sides of the strong back rails - they were not perfectly even either because of a slight warp in the 2x8s. the warp was a little side to side with the up/down being very straight.

The next step will be the "weld" gluing.
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narfi
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Re: Another FS17 Build Thread

Post by narfi »

There is quite a bit of spring tension at the bow. My spot welds broke when I cut my zip ties and I had to redo it. A short strip of 6in fiberglass tape epoxied down there works really well to resist that spring tension while doing the initial spot welds.

Hopefully that makes sense.

Edit: A picture is worth 1000 words
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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

That makes sense and I think that I will go down that route. So after the initial "weld' is set i will sand and round out the exposed bow portion and add some initial tape there which i will feather out later when I do the overall seam taping. I think that i will extend this to the portion where the bottom of the hull meats the sites at the bow as it is under a lot of stress/flex. I thank you for the pointer, this makes sense and will save a bit of time.

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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

I took the advice to heart and put a little cloth over the bow joints. I want to make sure that this is fully set before I start taking out the stitches, I thought it might need a little more time than the rest of the seams. The epoxy is a little slower in setting up than I had anticipated.
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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

I finished the primary "welding" or bead laying on the seams. I used a 200 CC feed syringe to pump the goop into the gaps, it worked pretty well, one fillup for each of the three seams. I let the initial epoxy glue soak into the wood for several hours (it is a little cold in in the garage) before filling in the seams with the goop so it should be pretty good, this afternoon i will go back over it before it completely cures and add any extra to the spots that might not have bridged the gaps fell through.
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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

I pulled the ties and sanded the excess off. I trued the sides initially so that I would have something to round off that would not present an elevated bump or edge on the radius. Then i added a little additional filler for all of the holes and gaps.
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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

The joints are all sanded and rounded. The tape edges are all measured and marked. Its ready for the joints to all be taped.
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Cowbro
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Re: Another FS17 Build Thread

Post by Cowbro »

Looking good! Ready just in time for the weekend.

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mineratt
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Re: Another FS17 Build Thread

Post by mineratt »

It has been a while since I applied fiberglass tape or cloth, especially on a vertical surface so I may have slightly over applied the epoxy causing it to drip all over the place. I will just have to sand it all off once it cures to prep for the cloth. It took approximately two hours to apply which is about average from what I have read here.
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