FS13 'Lil Stream

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BB Sig
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Re: FS13 'Lil Stream

Post by BB Sig » Sat Mar 16, 2019 6:28 pm

Rub rails cut 3/16" layers and coated with epoxy. I cut some shorter strips but didn't get around to coating them. I still need to level the new foam pours and smooth everything out with epoxy.

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Re: FS13 'Lil Stream

Post by BB Sig » Wed Apr 03, 2019 10:36 pm

Still got a mildly wavy hull. I've got one more layer of rubrail to glue on the starboard side then I'll move to port. I think I'll over clamp this go to see if it springs right.

No clamp:
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Clamped:
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Fuzz
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Re: FS13 'Lil Stream

Post by Fuzz » Wed Apr 03, 2019 10:56 pm

Good move getting it fair before adding any more rubrail. If not you will never get it right :wink:

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Re: FS13 'Lil Stream

Post by Eric1 » Thu Apr 04, 2019 7:35 am

You'll get her there BB Sig :)

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Re: FS13 'Lil Stream

Post by Jeff » Thu Apr 04, 2019 8:16 am

Agree with Fuzz & Eric!!! Jeff

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Re: FS13 'Lil Stream

Post by BB Sig » Thu Apr 04, 2019 8:27 am

The problem is that when I unclamp the rails, the plywood springs back to being wavy. I've been fighting this because I poured foam prior to doing rubrails. :help: Hopefully by over compensating for this wave on the last rubrail layer, it will straighten out. :?

Jeff,

I'm hoping the plans get changed or annotated that the rubrails should be installed prior to foaming/flipping. :idea:

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Re: FS13 'Lil Stream

Post by Jeff » Thu Apr 04, 2019 9:22 am

BB, I will get your request for change to Jacques today. Jeff

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Re: FS13 'Lil Stream

Post by jacquesmm » Fri Apr 05, 2019 11:25 am

The building notes say:
In most cases, the sheer line will be fair but this is worth checking. If necessary, clamp a temporary rubrail (a plain wooden batten) to the sheer edge to preserve the sheer line fairness.
on page 5, well before the foam stage.
I will add a comment to the foam paragraph:
Before pouring the foam, be certain that the rubrail or at least a temporary rubrail (mentioned earlier) is installed. If not, pressure of the foam may distort the side panel sheer edge.
Jacques Mertens - Designer
http://bateau.com

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Re: FS13 'Lil Stream

Post by jacquesmm » Fri Apr 05, 2019 12:32 pm

To fix the wavy sheer may take several steps:
- remove the rubrail or cut a large number of slits in it, vertical
- drill through the foam where it pushes the side panel out or,
- if necessary remove a 1" slice of the foam along the side.
Once your side panel is not under pressure anymore, install a new, solid rubrail.
Finish by filling the foam gaps, slowly, a little bit at a time.
Jacques Mertens - Designer
http://bateau.com

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Re: FS13 'Lil Stream

Post by BB Sig » Fri Apr 05, 2019 1:15 pm

jacquesmm wrote:
Fri Apr 05, 2019 11:25 am
The building notes say:
In most cases, the sheer line will be fair but this is worth checking. If necessary, clamp a temporary rubrail (a plain wooden batten) to the sheer edge to preserve the sheer line fairness.
on page 5, well before the foam stage.
I will add a comment to the foam paragraph:
Before pouring the foam, be certain that the rubrail or at least a temporary rubrail (mentioned earlier) is installed. If not, pressure of the foam may distort the side panel sheer edge.
Thanks! I like the next person to have that heads up! :lol:

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