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Old May 02, 2008, 02:53 PM
richard ludt
Guest
n/a Posts
Painting moulded fiberglass fuse

I'm attempting to paint my first fiberglass fuse and the paint seems
to bead. Can someone help me with the type of paint to use and
surface preparation.
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Old May 02, 2008, 03:26 PM
LJolly@aol.com
Guest
n/a Posts
Re: Painting moulded fiberglass fuse

Rich, It sounds not like paint but instead surface prep, that is causing the
beading.
Fiberglass fuselages especially those not painted in the mold will have some
sort of release agent
used in the molding process to get the part out and not damage the mold.
Prior to doing any work on a new Fiberglass fuselage the part must be washed
with detergent and water, and then wiped with a rag that has a mild solvent on
it. Use gloves especially if you might have kids in the future. Now get one
of those flexible sanding pads and scuff the surface of the fuselage. Medium
and Fine grades should do the trick. Make sure and pay particular attention
where you might tape the wings or canopy. You are done when the shine is gone
on the fuselage. If you see small imperfections this is a good time to use a
polyester putty like Evercoat to fill and fair them. Now wipe the fuselage
with Solvent again, and mask off any areas that need to be protected. If an
excellent finish is required use a polyester spray primer, needs touchup gun and
compressor, wetsand with 240 and then hit with auto paint, poly urethane
finishes or epoxy are tougher and heavier. If you have none of the above use a
spray can Primer misted on in several coats. Resist the urge to spray it in one
coat. Spray outside where you can see the work and not breathe the fumes.
Preferably the next day wet sand the fuselage with 320 wet and dry to take the
fuzz off. Suspend the fuselage long ways horizontal nose to tail and mist on a
color coat. Start the spray before the fuselage and release the nozzle when
you are off the end of the fuselage, this gives even coats with no runs. 2-3
light coats will prove superior to one coat blasted on. Good luck Larry



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Old May 02, 2008, 03:37 PM
Kurt Zimmerman
Guest
n/a Posts
RE: Painting moulded fiberglass fuse

I agree with 99.994% of what Larry suggests. I've had some issues removing
the release agent of the fiberglass and have had to resort to sanding it
down with a 240 grit dry then use a solvent. Beyond that you have great
advice here. Thanks Larry.



____

Kurt



From: LJolly@aol.com [mailto:LJolly@aol.com]
Sent: Friday, May 02, 2008 3:27 PM
To: richludt@gmail.com
Cc: Soaring@airage.com
Subject: Re: [RCSE] Painting moulded fiberglass fuse



Rich, It sounds not like paint but instead surface prep, that is causing the
beading.

Fiberglass fuselages especially those not painted in the mold will have some
sort of release agent

used in the molding process to get the part out and not damage the mold.
Prior to doing any work on a new Fiberglass fuselage the part must be washed
with detergent and water, and then wiped with a rag that has a mild solvent
on it. Use gloves especially if you might have kids in the future. Now get
one of those flexible sanding pads and scuff the surface of the fuselage.
Medium and Fine grades should do the trick. Make sure and pay particular
attention where you might tape the wings or canopy. You are done when the
shine is gone on the fuselage. If you see small imperfections this is a good
time to use a polyester putty like Evercoat to fill and fair them. Now wipe
the fuselage with Solvent again, and mask off any areas that need to be
protected. If an excellent finish is required use a polyester spray primer,
needs touchup gun and compressor, wetsand with 240 and then hit with auto
paint, poly urethane finishes or epoxy are tougher and heavier. If you have
none of the above use a spray can Primer misted on in several coats. Resist
the urge to spray it in one coat. Spray outside where you can see the work
and not breathe the fumes. Preferably the next day wet sand the fuselage
with 320 wet and dry to take the fuzz off. Suspend the fuselage long ways
horizontal nose to tail and mist on a color coat. Start the spray before the
fuselage and release the nozzle when you are off the end of the fuselage,
this gives even coats with no runs. 2-3 light coats will prove superior to
one coat blasted on. Good luck Larry





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<http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001> twists on
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Old May 02, 2008, 04:09 PM
Craig Allen
Guest
n/a Posts
Re: Painting moulded fiberglass fuse

Hi Richard,

The exact reason this happening is because of silicone in the release agent. So keep anything with silicone away from what you are painting... This is especially true of WD40. One small spray of WD40 in the room and it will find your plane... If the problem persist they have special silicone removers at automotive paint stores.

Craig

richard ludt <richludt@gmail.com> wrote: I'm attempting to paint my first fiberglass fuse and the paint seems
to bead. Can someone help me with the type of paint to use and
surface preparation.
RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to soaring-request@airage.com. Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format


 


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