Note some of the various "implements of destruction" - a small sampling of what was used!!! It was a little dicey using a circular saw, but I didn't cut through the outer skin so...
I'm sorry, but if you haven't cut through the hull this far along... you're not trying hard enough!Everybody cuts through the hull somewhere on their first 'glass resto.:faint2:
I hate to be the bearer of bad news, but you've got some more grinding to do. You need to get down to "ffod" glass wherever you're going to tab to the hull or bond wood to the hull with an adhesive. This means all of the inside of your transom skin and 6 inches on each side of where a stringer is... don't kill me, I'm just the messanger.
Everything is looking real good though archer, you're going to be building back real soon... and that's the fun part!
Your transom skin thickness looks ok, but a couple layers of 1.5 oz CSM wouldn't hurt it if you want to practice up on your glassing skills before you tackle the tabbing of the stringers and glassing the inside of the transom in.
So here are some rebuild thoughts and questions....
I'm going to go with epoxy becuase 1) I know how to use it already, 2) I'm concerned about the fumes. The garage/shop is under the master bedroom, so poly would be a bad idea on a number of levels. So I was perusing the US composites site looking at various FB mats and cloths and the way thay have the site organized, it doen't seem like CSM goes with epoxy. Any thoughts?
I'm goin with poplar for the floor stringers. It's light, it's porous and will suck up goodly amounts of epoxy, it's generally pretty straight when you buy it, and I need to shape it a lot to match what was there originally -- basically, a lot of carving with the best sander (will post pix of the ioriginal bevels and such next time. The originals were bevelled a lot to match the curvature of the hull. If there is some disaster waiting for me in the future due to using poplar, please let me know!!!
The transom skin thickness is 18"-3/16" depending on where you measure. Sound okay, or should I build ity up a bit? the wood was 1.5" thick - okay to do the same thickness again?
Any thoughts on raising the height of the transom based on the posts above? Will I have a difficult time finding a 16" shaft motor? I do ewant to find a classic motor, so maybe that's not an issue?
The old florr plywood was 1/2". Does that sound sufficient? I'm going to pour foam beneath.
The plywood form that was used for the rear bulhead/seat support was made of 1/8". Seems pretty thin. Thinking about 1/2" for that as well.
I welcome all comments, criticisms, observations, etc., etc.
Thanks folks!
Lee
Out of Stock*****
Owens Corning has discontinued this item. We are continuing to look for other sources. We have found our brand of 1-1/2oz x 50" (cat# FG-10550) regular chopped strand mat wets out with epoxy very well and could be considered a substitute.
Resin requirements for 1.5 oz mat.
You don't use CSM with epoxy, only cloth. for stringers I'd recommend 2layers of 1700 Biaxial. I would use plywood for the stringers. Popular is a poor choice. Not ver rot resistant.
Fiberglass cloth with mat sewn to the back is 1708 meaning a 17 oz cloth with approx .75 oz of CSM sewn to it.
Fiberglass cloth with out the sewn mat is just listed by the oz i.e. 1700 or 17 oz. That's what you want with epoxy, no mat. I don't think USC has it but you can check. I get it from these guys... 10 bucks a yard.
Boat Builder Central - | Marine Epoxy | Fiberglass | Marine Plywood Fiberglass cloth Biaxial (0/90), 17 oz., 50 in. - per yard - Fiberglass wide knitted fabric