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Old 09-04-2017, 09:06 AM
AeroDog AeroDog is offline
Join Date: Aug 2011
Location: New London, NC (near Charlotte), Boulder, CO
Posts: 157
Default Page 35-03 Painting main gear legs

The build manual is clear: The main gear legs are to be painted with two-part epoxy primer, then painted. The legs are shiny and pitted as a result of bead blasting I'm told. My question regards prep for the primer. Should Alumaprep and Alodine be used or is thorough cleaning enough? (Yes, I used the search function.)

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Old 09-04-2017, 11:33 AM
rongawer's Avatar
rongawer rongawer is offline
Join Date: Dec 2007
Location: Brentwood, CA
Posts: 200

If you're using a modern self-etching epoxy primer; if desired, scuff with a fine grit sandpaper, wipe clean with acetone, mineral spirits, or whatever prep the primer calls for, and prime.
Ron Gawer

- RV-12 N975G, SN 120840, Build in progress...finally on the finishing kit, so, something like 90% done and 90% left to go.
- 1975 B58 Baron, N1975G (a bottomless money pit that makes building an RV look like lunch money, but it's a great airplane, hauls the family and my wife likes two engines...go figure)
- 1961 A33 Debonair, N433JC (R.I.P.)
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Old 09-04-2017, 11:39 AM
rvbuilder2002 rvbuilder2002 is offline
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 6,971

Because of the blasting texture, etching with a surface prep containing phosphoric acid (aluma prep, etc.) is the best way to assure a surface that is 100% cleaned of oxidation before primer application.
Any opinions expressed in this message are my own and not necessarily those of my employer.

Scott McDaniels
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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