Fergus
I agree with FF; for the web connections mix the 420 thick with flox and
apply it in a bead higher than your gaps. I believe that as long as you get
a connection joining the webs you will satisfy the shear forces OK. The main
push-pull forces will be across the flanges.
J R (Bob) Gowing
----- Original Message -----
From: "Fred Fillinger" <n3eu@comcast.net>
Subject: Re: Europa-List: Begging info....
>
> Hi, Ferg,
>
> > These infer that I should
> > coat the bottom of the fin (the foam structure between lighting
> holes) with
> > 2 layers of BiD. Do I have this correct?
>
> What my manual states, and don't forget to cut out the cured glass in
> the lightening holes.
>
> >...if this latter surface is more than 3mm above the fuselage top
> molding then
> > to spacers of 3mm plywood require to be inserted. In my case, the
> spacing
> > appears to be about 2mm, and wondering if I should make up some of
> that.......
>
> I think "shim" can be taken literally, not a structural issue. It
> seemed to me that if the gap is too big, you just won't know if enough
> micro has been buttered in there for a secure bond. 2mm is not a lot
> of "butter," though.
>
> > If not, did you need an inordinate amount of 420 to secure a
> > good bonding surface for the fin?
>
> Should be about the same, as Redux is only for the flange. More
> important is enough flox so that the Redux does not sink out through
> gravity.
>
> Reg,
> Fred F.
>
>
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