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Europa-List: Layup on Balsa TE of Trim Tabs

Subject: Europa-List: Layup on Balsa TE of Trim Tabs
From: Tony Renshaw <tonyrenshaw@optusnet.com.au>
Date: Mon, 8 Dec 2003 15:36:29

Gidday,
I am wondering if there is any specific advice to laying up cloth onto the
trim tabs trailing edges to toughen them up. The balsa is too soft and I
intend on either using a single ply of BID, or 2 plies over the balsa with
the ply stepping down as it progresses forward, or a single ply of carbon.
I have the carbon left over from another project, however I think for this
toughening up application the BID might be better, as it is more impact
resisitant. With the Balsa, I have heard of priming it with a thinned down
resin mix, but I haven't done this before. I understand the concept is that
a thinner mix will be absorbed by the Balsa, and act as a better key for
the cloth over the top. So, if there are any words of wisdom on this I'd
like to hear. Thanks in anticipation.

Reg
Tony Renshaw
Sydney Australia

Classic 236 Taildragger (possibly convertible)
Tail, Wings, Ailerons, Flaps Complete and Connected
Lower Fuse in Jig, Tail Torque Tube installed
Mass Balance assembly installed and deflections sorted
Intended Engine: 912S or a "turboed single rotor rotary, when I am dreaming"
Instrumentation: Undecided




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