poly fibre questions

[Jones, Michael]

in reviewing the poly fibre book i have a couple of questions

page 26 shows how to do the 1st coat of poly brush using a paint brush, but
it never talks about a 2nd brush coat, then latter in manual there is a 1st
and second spray coat of poly brush, do i have to spray these coats, i dont
have spray equipment and dont want to go buy it

what about aluminum prep for fabric covering, manual says to clean with acid
etch and brightener, then conversion coating, then spray with epoxy primer,
is everone doing this or just scotch bright pads on the surface to clean it
throughly and then mek or lacquer thinner

thanks

mike




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[rognal]

Mike,

page 26 shows how to do the 1st coat of poly brush using a paint brush, but
it never talks about a 2nd brush coat, then latter in manual there is a 1st
and second spray coat of poly brush, do i have to spray these coats, i dont
have spray equipment and dont want to go buy it

I don't have the PolyFiber manual in front of me but if I recall correctly,
it calls for three coats of PolyBrush. Each coat of PolyBrush is applied
with a brush. Don't confuse PolyBrush with PolySpray. PolySpray is applied
with paint spraying equipment.

what about aluminum prep for fabric covering, manual says to clean with acid
etch and brightener, then conversion coating, then spray with epoxy primer,
s everone doing this or just scotch bright pads on the surface to clean it
throughly and then mek or lacquer thinner

I prepped the aluminum flaperon structure as you indicate (per the PF
manual). As I recall the PF manual says you can skip either the acid etch
or the conversion coating (I don't remember which) IF you are prepping new
aluminum surfaces. After that step I applied a couple light coats of
PolyFiber EP420/430 epoxy primer to the structure before beginning the
covering process.

Hope this helps,

Roger Hoffman
Eugene, OR USA!



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