FL14 build

Boats up to 15' for oars, power or sail. Please include the boat type in your question.
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davekf
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FL14 build

Post by davekf » Tue Feb 05, 2008 5:03 pm

The best way to be sure I have this build straight in my head is to throw my plan out there and let all of you correct any wrong ideas I have or to let me know if there is a better way to do something. Please chime in with your experience. :D

Step by Step: 8O

1. Draw parts on Plywood. Mark verticle lines on the sides to show where the frames will go.
2. Cut out one side and use for a pattern to draw other side.
3. Cut out all parts.
4. Assemble side panels with butt blocks.

The following steps are done with boat up-side-down.
5. Wire tie bow together.
6. Insert a middle frame along the correct verticle line and tie it.
7. Bring sides in to the transom and tie it.
8. Insert other frames and tie them.
9. Measure from the bow point to the intersection of a frame and the side panel on each side.
10. Measure the same for each frame and transom.
11. Attach a center line from bow to transom. Measure from it to each side panel along each frame.
12. If all is square, insert shims to make small gaps, and tighten zip ties.

:?: Which is the best way to draw the shape for the bottom panel, 13a or 13b or c(none of the above)?

13a. Take measurements again from center line to side panels along the frames and transfer to plywood to draw the bottom panels.
13b. Lay plywood sheet on the frames. Line up the end with the transom and trace along the outside of the side panels.


14. MEASURE EVERYTHING AGAIN!
15. Cut bottom panels.
16. Assemble bottom panels with butt block.
17. Lay bottom panel in place and measure all for square.
18. Tie bottom panel to sides and transom.
19. Insert shims to make small gap, and tighten ties.

:?: Which is better?

20a. Use epoxy to tack (between the ties) the bottom to the sides and transom.
OR
20b. Flip the boat and then tack, between the ties, the sides and bottom on the inside.

:?: Is a tack weld just a smaller radius fillet?

21. Flip (or not depending on #20) boat and tack in the frames.
22. Depending on how much I can fillet and tape in one session, remove ties from that section of the boat.
23. Measure and precut fg tape.
24. Precoat with epoxy the fillet areas.
25. Fillet that section.

I'll stop there for now. I'm hoping that this will help others who are first time builders also.

Thanks again for any comments / suggestions.

-Dave :D



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Lon
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Post by Lon » Tue Feb 05, 2008 5:12 pm

"3. Cut out all parts."
Don't cut out the seats until you can take the measurements from your boat.
Lon FL14, GV11
Montana

PaulMcClure
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Post by PaulMcClure » Tue Feb 05, 2008 6:22 pm

davekf wrote: Question Which is better?

20a. Use epoxy to tack (between the ties) the bottom to the sides and transom.
OR
20b. Flip the boat and then tack, between the ties, the sides and bottom on the inside.
"
I tend to flip the boat, check the diagonals to ensure everything is lined up OK, then tack between the ties.
davekf wrote:Question Is a tack weld just a smaller radius fillet?
Pretty much. By using tack welds you create enough strength to allow you to remove the stitches in that area then create the fillet and apply the tape.

Once you have applied the fillet, wait a while until it firms up (a fingernail will make a mark, but it won't deform the fillet like it would when just applied) wet out the fillet with unthickened epoxy and apply the tape. You'll get a much better fillet in terms of appearance and performance.

Russ5924
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Post by Russ5924 » Tue Feb 05, 2008 6:51 pm

About the only other one I see is don't use wire ties for holding the frames, two 1" or 1 1/4"machine screws on each side and don't tighten down all the way :D
D-5 Done and FL12 Done. GF14 80% done

ross61
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Post by ross61 » Wed Feb 06, 2008 2:21 pm

I did 13b for the bottom panels. Just make sure the frames and sides are lined up and the diagonals are close before you trace. This is really easy. I didn't sweat the details much and everything came out fine.

Good Luck

Ross

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davekf
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Post by davekf » Thu Feb 07, 2008 10:45 am

PaulMcClure... do you do the tacks on the inside of the boat?

What should the consistency be for a tack? Is it thicker than a fillet?

Russ5924... when do you remove those screws? Is it after the fillets and taping is done and cured?

Thanks for all the great tips. :D Without this forum I would be fumbling over a lot of mistakes.

-Dave :D

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Post by Russ5924 » Thu Feb 07, 2008 6:33 pm

The screws are removed after the inside is filleted and taped. What I do on the tacks is mix the epoxy, pre-coat where you want the tacks then mix in wood flour till like the fillets (peanut butter)I make mine about an inch or so long let dry completely. Just make sure you pre-coat when making fillets and tacks the wood can pull all the moisture out of the glue and you won't get a good bond:D
D-5 Done and FL12 Done. GF14 80% done

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davekf
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Post by davekf » Fri Feb 08, 2008 9:51 am

Thanks Russ5924. Good info! :D

-Dave

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