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.
FS13 'Lil Stream
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Re: FS13 'Lil Stream
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:
Clamped:
No clamp:
Clamped:
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Re: FS13 'Lil Stream
Good move getting it fair before adding any more rubrail. If not you will never get it right
Re: FS13 'Lil Stream
You'll get her there BB Sig
Re: FS13 'Lil Stream
Agree with Fuzz & Eric!!! Jeff
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Re: FS13 'Lil Stream
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. 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.
Jeff,
I'm hoping the plans get changed or annotated that the rubrails should be installed prior to foaming/flipping.
Re: FS13 'Lil Stream
BB, I will get your request for change to Jacques today. Jeff
Re: FS13 'Lil Stream
The building notes say:
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.
on page 5, well before the foam stage.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.
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://boatbuildercentral.com
http://boatbuildercentral.com
Re: FS13 'Lil Stream
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.
- 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://boatbuildercentral.com
http://boatbuildercentral.com
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Re: FS13 'Lil Stream
Thanks! I like the next person to have that heads up!jacquesmm wrote: ↑Fri Apr 05, 2019 11:25 am The building notes say:on page 5, well before the foam stage.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.
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.
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