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Date: Tue, 20 Mar 2012 08:18:07 -0400
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From: Kevin Stallard <kevin@arilabs.net>
Subject: RE: [LML] Rain, primer, and paint
Thread-Topic: [LML] Rain, primer, and paint
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You can get WLS direct from the manufacturer for less than 1/2 that cost.

Haven't heard anything on that hydro-sand paper you've mentioned.  Don't ha=
ve any experience with that....not yet anyway...

Kevin


-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Char=
les Brown
Sent: Monday, March 19, 2012 4:18 AM
To: lml@lancaironline.net
Subject: [LML] Rain, primer, and paint

OK, the guys who already know this can sit back and chuckle, the rest of yo=
u, here's a bulletin on flying IFR in primer.  I gather that WLS primer is =
not as hard as paint and about a half hour in moderate rain at 210ktas was =
enough to visibly erode small areas of all the leading edges.  I think all =
that really happened was that defects in the underlying layers, which had b=
een filled by WLS, were revealed.  At any rate, there were numerous small a=
reas (largest:  1/4" X 1/4"; most areas smaller) where pinholes, underlying=
 BID mesh, and occasional air bubbles in micro were revealed.  Recommendati=
on:  fly with a harder coating than WLS or avoid rain.  The WLS held up jus=
t fine in ordinary flying for 100 hours.

I've scheduled paint as soon as I can get into the shop, in the meantime I'=
m repairing the leading edges and spraying the repairs with K36 primer whic=
h the paint shop recommended (and I can get a quart for $80 rather than pay=
ing $300 for a gallon of WLS).  Then, until painting, I'll cover the leadin=
g edges with leading edge tape.

Question for you IFR guys with APA (Already-Painted Airplanes):  What's you=
r experience with rain and paint? =20

Charley Brown
Legacy #299  100 hours
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