Re: Finishing off Surf question

Using a epoxy glued plywood butt strap on the inside is sufficent.
Many boats are built that way. Strong and simple. I don't think you
need the tape on the outside. It seems to me from my continual
reading of designer's plans, groups, Duckwork's, etc. that there are
three acceptable ways of making long panels out of plywood:

1. Butt strap on one side. Epoxy with a little filler used as glue.
2. Fiberglass tape on both sides. Epoxy glued.
3. Scarphing. Epoxy (and maybe resourcinal) glued.

--- Inbolger@yahoogroups.com, "micro2001au" <mooneycolin@d...> wrote:
>
> Hi group,
> In the rush to get my Surf ready for painting I coated the sides
with
> their 3 coats of epoxy, and covered the join in the 2 sheets with
> fairing compound. (cabosil) Then I realised that I probably should
> have covered the join with a strip of fibreglass tape. Is it vital
> that the outside join be taped? All seems strong and fair at this
> stage with a large butt strap on the inside, but I'd hate a crack
to
> appear within 12 months.
>
> Col

>Hi group,
>In the rush to get my Surf ready for painting I coated the sides with
>their 3 coats of epoxy, and covered the join in the 2 sheets with
>fairing compound. (cabosil) Then I realised that I probably should
>have covered the join with a strip of fibreglass tape. Is it vital
>that the outside join be taped? All seems strong and fair at this
>stage with a large butt strap on the inside, but I'd hate a crack to
>appear within 12 months.

I did not tape the joins on my Teal. It's been three years outside
and no cracks yet.

If I were you, I'd tape it!

-D
--

C.E.P.
415 W.46th Street
New York, New York 10036
http://www.crumblingempire.com
Mobile (646) 325-8325
Office (212) 247-0296

Col, I taped my Surf butt joints inside and out (no wooden butt
blocks) and otherwise applied just one coat of epoxy (inside and out)
so I'm afraid my experience isn't particulary relevant in this
regard. Sorry.

John

--- Inbolger@yahoogroups.com, "micro2001au" <mooneycolin@d...> wrote:
>
> Hi group,
> In the rush to get my Surf ready for painting I coated the sides
with
> their 3 coats of epoxy, and covered the join in the 2 sheets with
> fairing compound. (cabosil) Then I realised that I probably should
> have covered the join with a strip of fibreglass tape. Is it vital
> that the outside join be taped? All seems strong and fair at this
> stage with a large butt strap on the inside, but I'd hate a crack
to
> appear within 12 months.
>
> Col

Hi Col

>> I'd hate a crack to appear within 12 months. <<

Tape it. It will never fall apart as is, but you might get a cosmetic crack.
Tape will deal with that.
Just my two cents...

cheers
Derek

Hi group,
In the rush to get my Surf ready for painting I coated the sides with
their 3 coats of epoxy, and covered the join in the 2 sheets with
fairing compound. (cabosil) Then I realised that I probably should
have covered the join with a strip of fibreglass tape. Is it vital
that the outside join be taped? All seems strong and fair at this
stage with a large butt strap on the inside, but I'd hate a crack to
appear within 12 months.

Col