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Subject: Re: [LML] Rain, primer, and paint
From: "William A. Hogarty" <billhogarty@gmail.com>
X-Original-To: Lancair Mailing List <lml@lancaironline.net>
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Static wicks, good bonding, and leading edge tape.

Good luck, Bill Hogarty

On Mon, Mar 19, 2012 at 3:17 AM, Charles Brown <browncc1@verizon.net> wrote:

> OK, the guys who already know this can sit back and chuckle, the rest of
> you, 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 been filled by WLS, were revealed.  At any rate, there were numerous
> small areas (largest:  1/4" X 1/4"; most areas smaller) where pinholes,
> underlying BID mesh, and occasional air bubbles in micro were revealed.
>  Recommendation:  fly with a harder coating than WLS or avoid rain.  The
> WLS held up just 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
> which the paint shop recommended (and I can get a quart for $80 rather than
> paying $300 for a gallon of WLS).  Then, until painting, I'll cover the
> leading edges with leading edge tape.
>
> Question for you IFR guys with APA (Already-Painted Airplanes):  What's
> your experience with rain and paint?
>
> Charley Brown
> Legacy #299  100 hours
> --
> For archives and unsub
> http://mail.lancaironline.net:81/lists/lml/List.html
>

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<div>Static wicks, good bonding, and leading edge tape.</div><div>=A0</div>=
<div>Good luck, Bill Hogarty<br><br></div><div class=3D"gmail_quote">On Mon=
, Mar 19, 2012 at 3:17 AM, Charles Brown <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:browncc1@verizon.net">browncc1@verizon.net</a>&gt;</span> wrote:<br>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-=
color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class=
=3D"gmail_quote">OK, the guys who already know this can sit back and chuckl=
e, the rest of you, here&#39;s a bulletin on flying IFR in primer. =A0I gat=
her that WLS primer is not as hard as paint and about a half hour in modera=
te rain at 210ktas was enough to visibly erode small areas of all the leadi=
ng edges. =A0I think all that really happened was that defects in the under=
lying layers, which had been filled by WLS, were revealed. =A0At any rate, =
there were numerous small areas (largest: =A01/4&quot; X 1/4&quot;; most ar=
eas smaller) where pinholes, underlying BID mesh, and occasional air bubble=
s in micro were revealed. =A0Recommendation: =A0fly with a harder coating t=
han WLS or avoid rain. =A0The WLS held up just fine in ordinary flying for =
100 hours.<br>

<br>
I&#39;ve scheduled paint as soon as I can get into the shop, in the meantim=
e I&#39;m repairing the leading edges and spraying the repairs with K36 pri=
mer which the paint shop recommended (and I can get a quart for $80 rather =
than paying $300 for a gallon of WLS). =A0Then, until painting, I&#39;ll co=
ver the leading edges with leading edge tape.<br>

<br>
Question for you IFR guys with APA (Already-Painted Airplanes): =A0What&#39=
;s your experience with rain and paint?<br>
<br>
Charley Brown<br>
Legacy #299 =A0100 hours<br>
<font color=3D"#888888">--<br>
For archives and unsub <a href=3D"http://mail.lancaironline.net:81/lists/lm=
l/List.html" target=3D"_blank">http://mail.lancaironline.net:81/lists/lml/L=
ist.html</a><br>
</font></blockquote></div><br>

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