beachyjeff(at)juno.com Guest
 
 
 
 
 
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				 Posted: Sun Mar 19, 2006 1:08 pm    Post subject: Priming Metal Parts for my CH701 | 
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				For aluminum parts, I have been using Metal Prep No. 79 followed by Zinc
 Chromate from aerosol cans. Now I have started building my fuselage and
 just completed the firewall, which is my first exposure to steel. Do I
 treat the firewall and the 4130 steel tubes the same way as the aluminum?
 I had someone advise me to powdercoat the metal parts, but the archives
 seem to suggest otherwise. Also, with the 4130 steel tubes, I presume I
 need to rust proof both the inside and the outside? What about around the
 drilled holes? Prime only after drilling is completed? 
 
 I am certainly learning a lot from building my first airplane and have
 greatly appreciated the information from this list. Thanks in advance!
 
 Jeff Beachy
 
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