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-   -   Box Seats DIY Fiberglass Mold (http://www.classicseacraft.com/community/showthread.php?t=23498)

abl1111 01-21-2012 11:51 AM

I remember that seat you did. It's still is as mind-blowing as when I first saw it. Awhile ago, I mentioned to you I saw your boat in my Long Island waters - to a guy you sold it to. I noticed the beautiful hull, but when I saw the seat - I knew it was your boat !

Questions:

I'm not even going to bother asking about the foam shaping etc. Completely out of my comprehension... When you make a 'normal' radius with cabosil and after it kicks - are you worried about scratching up the mold when you try to smooth out the cabosil radius ?

I understand using the core cell for stiffness, but if I want to mount something to the seat box I want to build, should I use something STRONG, like plywood that can be mounted to ?

SBD 01-21-2012 10:02 PM

Strick-here is a link...

http://www.bdoutdoors.com/forums/che...k-rebuild.html

strick 01-22-2012 12:19 PM

Quote:

Originally Posted by abl1111 (Post 197518)
I remember that seat you did. It's still is as mind-blowing as when I first saw it. Awhile ago, I mentioned to you I saw your boat in my Long Island waters - to a guy you sold it to. I noticed the beautiful hull, but when I saw the seat - I knew it was your boat !

Questions:

I'm not even going to bother asking about the foam shaping etc. Completely out of my comprehension... When you make a 'normal' radius with cabosil and after it kicks - are you worried about scratching up the mold when you try to smooth out the cabosil radius ?

I understand using the core cell for stiffness, but if I want to mount something to the seat box I want to build, should I use something STRONG, like plywood that can be mounted to ?



That was probably the best boat I will ever own. But it was a little too big for getting into some of the tight places that I like to fish in the delta. The 20 is much better suited.

The core cell has a very high compressive strength. If you are worried about strength then throw a couple extra layers of 1708 down in key areas. What you are going to mount to a seat box that will create shear and compressive forces that can crack the laminate?

Cabosil alone is too hard to sand so it does not make a good material for fillets. Mixed with microballoons it is much easier to sand. If you are careful during application then you can keep your sanding down to a minimum and you will not scratch up the mold enough to effect it.

Sean thanks for the the link I'll check it out!

strick

kitebuz 01-27-2012 04:59 PM

The 3rd option is to pre-fab composite panels, then build your structure from them. Sort of a cross-over method between the plywood structure & molding - like Tuna did on classicmako - (p2, 03/29/2009 post).

http://www.classicmako.com/forum/top...08&whichpage=2

I've been thinking about these methods as well for a LP/LW combo (Strick - you set the benchmark w/ yours) & maybe a console or dog-house. I lean towards the mold I have to say - just not convinced I could get the glassed over seems to fair into the panels (or at least how much time it would take) vs pulling from a mold.

abl1111 01-27-2012 10:03 PM

That project is insane ! Talented people out there. Things you think are impossible just... get done !

An interesting concept - a guide coat. How does that work ?


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