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Q:
www.bonanza.org
Touch-up painting
Brock Benjamin
El Paso, Texas
I have a lot of dings and chipped paint on the
leading edges, cowling, and spinner of my newly
purchased M35. How do I do touch up painting? It’s not
as much aesthetics as I don’t like the loose paint and
bare aluminum. What’s the proper procedure?
A:
There are many correct ways to address chipping
paint on the leading surfaces of our airplanes. Here
are a few ordered from easiest to most skilled, and least
to most expensive.
1. Wash the surface with a strong dilution of liquid dish
detergent, rinse clean, and allow to dry.
2. Using a Q-tip or small detailing paint brush, apply a
dab of yellow chromate primer. Yellow is easier to
cover than green, but you can use green if it is all you
have available. You can usually find yellow and green
chromate primers at your local boat supply store.
3. With a clean brush or new Q-tip, apply your matching
top coat and allow to dry.
or
1. Wash the surface with a strong dilution of liquid dish
detergent, rinse clean, and allow to dry.
2. Lightly sand each spot to knock down the sharp paint
chipped edge and blend the top coat into the primer
layer. Do not sand into the metal.
3. Wipe the surface with 90% isopropyl alcohol and allow
to dry.
4. Using a small detailers airbrush, apply a coat of epoxy
primer to each spot.
5. Using a small detailers airbrush, apply your matching
top coat and allow to dry.
or
1. Sand a large area back to the closest skin seam with
600 grit sandpaper. Do not sand into the metal.
2. Wipe the surface with 90% isopropyl alcohol and allow
to dry.
3. Mask the airplane, prime, and paint the complete area.
—CB
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Volume 13 • Number 1 AMERICAN BONANZA SOCIETY 69