Narfi's FS17 - Build Thread

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narfi
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Re: Narfi's FS17 - Build Thread

Post by narfi » Fri Jun 14, 2019 1:57 am

Glued all the lower gunwale frames and light fixtures in place.

Hope to cut the inner gunwale (inwale?) peices tomorow.
20190613_215419.jpg



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OrangeQuest
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Re: Narfi's FS17 - Build Thread

Post by OrangeQuest » Fri Jun 14, 2019 5:44 am

Your boat is really starting to come together!
"that it isn't just an ordinary sort of boat. Sometimes it's a Boat, and sometimes it's more of an Accident. It all depends." "Depends on what?" "On whether I'm on the top of it or underneath it."
A. A. Milne

narfi
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Re: Narfi's FS17 - Build Thread

Post by narfi » Sat Jun 15, 2019 3:21 am

Cut all the inwall panels from scraps.
Left .5 to 1 inch too tall so when all glassed together there would be a little room for error trimming.

Duct taped one side together and clamped a 1x2 along the top edge to keep it straight, then brought it into the house to glass on a large flat surface.(the dining room floor)

Removed the clamps and 1x2 once it was laid down flat and realized it was just a wet noodle with several inches of play..... impossible to glass straight enough to go back into place on the boat.

Super frustrated but think I have a plan figured out.
The main issue with fairness between panels is just the front two on each side, so I will glass them together for a smooth transition there and then just be very careful when gluing the rest down to keep them flush with each other.
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So plan now is to trim the tops of all the panels flush with the frames,
Glass tape the front two panels on each side together,
Cut the access panels in each of the front panels and bond a reinforcing backing plate around the hole,
Glue all the side panels in place.

The inwalls I've made 1/4". The top of the gunwale will be 3/8".
I dont have large enough peices of 3/8" left for the tops of the transom compartments so will need to splice some smaller peices together for that.

This will leave me 2 full length sheets of 1/4" plywood about 2/3s wide to make the consoles from. The plans console uses 3/8" so I will need to make sure I double up and reinforce the critical areas.

narfi
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Re: Narfi's FS17 - Build Thread

Post by narfi » Mon Jun 17, 2019 10:45 pm

Aripeka Angler wrote:
Mon Jun 17, 2019 5:59 pm
I was just thinking about this last week when someone posted about building gunwales out of scrap pieces of plywood.
The seams in the gunwale boards need butt blocks on the bottom side after they are taped-if they are not joined over a frame.
Some slap one layer of 6 ounce over the deck without taping the seams-this is a terrible idea.
Tape every seam, bottom and top. Then put on the deck cloth.
The deck and gunwale ply catches hell in rough seas.
If you are going to be rough, overkill is the answer.
You can fix this, it’s not terminal.
Edit, I think your taping process was spot on.
Butt block the bottom and retape the top, this should correct the issue.

That was probably me.......

All my seams are on bulkheads with batons glued each side for a roughly 2 inch beam the seams meet at.

My intent was 12oz tape over the two top edges (probable overkill) and seams, then see how they meet in the middle rather I just fair it or add a layer of 6oz on the top and inner sidewall.

Do you think I am asking for trouble?

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Re: Narfi's FS17 - Build Thread

Post by Aripeka Angler » Tue Jun 18, 2019 5:28 am

Joined over bulkheads should work fine. Tape both sides and edges including the actual seam. Glass over the top and wrap.
The trouble really starts when the seam is not over bulkhead or frame and the bottom isn’t at least taped and preferably taped and butt blocked.
Someone, somewhere is saying “I didn’t do that an I have no cracks”. If it’s not done right and you hammer the boat, it’s going to crack.
The big drops on your gunwales are going to add a ton of strength as well...
Richard
Completed boats...XF20 "Red Alert", Aripeka Angler's Strip Canoe, FS18 “Bare Bones”, GF12
Currently building...PY12 Kayak
If there is magic on this planet, it is contained in water. - Loren Eiseley

narfi
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Re: Narfi's FS17 - Build Thread

Post by narfi » Tue Jun 18, 2019 6:17 am

Aripeka Angler wrote:
Tue Jun 18, 2019 5:28 am
The big drops on your gunwales are going to add a ton of strength as well...
I have bigger drops than most I've seen on here,
My rubrails are 4 layers of 1/4" plus the 1/4" hull panel,
The gunwales are 8.5"+ wide which is wider than a lot I see on here,
All of the bulkhead stations are integrated into the layout for basicly the equivalent of full size bulkheads instead of 3" tapered down I see alot on here,
I plan to use more tape and glass on the top edges than is required.

My main concern is the holes for the rod holders and cup holders, but I think centered 8n the 8.5" tops with backing plates around the holes it should be ok.

Hopefully it turns out stout enough.....

Tonight I wasted some time trying to figure out the compartment hatches for the gunwale access on the front deck. Borrowed an aluminum aircraft access panel from work I was going to use as a template. Dug out the fancy router template bushings I bought last winter and discovered they are too fancy for my router..... either it doesnt work with my router or I need a different guide plate for them to mount to. (Or I need someone to point out the obvious way they are supposed to be used.....)
20190618_011938.jpg
So I cut out and sanded rounded ends on a template for just going around with the guide that came with my router.
Here is the two templates, one for the hole in the panel, and one for the backing plate.
20190618_011849.jpg
Once that was done I glued the backing plates on and installed the front three panels on each side that I had already glassed together. I am happy with the results and the inside curve is nice and fair instead of angular like my first attempt.

20190618_011717.jpg

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Re: Narfi's FS17 - Build Thread

Post by Capt UB » Tue Jun 18, 2019 8:32 am

Looking nice.
Last edited by Capt UB on Thu Jun 20, 2019 5:43 am, edited 1 time in total.
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Re: Narfi's FS17 - Build Thread

Post by narfi » Thu Jun 20, 2019 4:21 am

Made a template from an old peice of exterior plywood and cut out the hatch for the bow compartment.
20190619_232116.jpg

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Re: Narfi's FS17 - Build Thread

Post by OrangeQuest » Thu Jun 20, 2019 6:02 am

Things seem to be coming together nicely.
"that it isn't just an ordinary sort of boat. Sometimes it's a Boat, and sometimes it's more of an Accident. It all depends." "Depends on what?" "On whether I'm on the top of it or underneath it."
A. A. Milne

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Re: Narfi's FS17 - Build Thread

Post by Jeff » Thu Jun 20, 2019 7:48 am

Niced work Narfi!!! Jeff

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