Um, flat bottom boats should be supported by cross rails under the
bulkheads. See Michalak.
--- In bolger@y..., William Samson <willsamson@y...> wrote:
> Hi Mike,
> Same here. Same ply, too. I keep mine outside and I
> guess frost damage plays its part.
> If I was doing it again, I'd use glass tape to make
> the bottom panel joint, instead of using a butt-strap,
> where the problems are worst.
> In fact, I'd glass the whole bottom, too.
> PCB has now drawn an alternative JB bottom, with a
> 1/2" ply 'shoe' extending the full length and about
> half the width of the full bottom. Should be MUCH
> stronger, if a little heavier.
> Mike wrote :
> > How is your June Bug decaying? Mine has been used
> > for less than a
> > year and the bottom is already getting cracks in it.
> > I trailer the
> > boat and I think that is causing the problem. The
> > boat is supported
> > at 3 points; a roller near the forward seat and 2
> > bunks near the rear
> > seat. Inside the boat, above the trailer supports,
> > I'm getting fore
> > and aft splitting of the plywood veneer. I used
> > Super Ply plywood
> > which has 2 thin outer layers and a thick core. If I
> > were building
> > again I might used 3/8" instead of the specified
> > 1/4". Or I might
> > spring for higher quality plywood and stick with
> > 1/4".
> > Mike
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