Steve is exactly correct if you want to go with accepted industry practices. Welded steel tube fusealges have a small hole drilled between tubes at welded junctures before welding so there is an air connection through the center of all of the tubes. You inject a small amount of linseed oil through a drilled hole into a tube, weld it shut, then roll the fuselage around a few times to help distribute the linseed oil. Linseed oil does a fine job of migrating through out the tubing and will prevent corrosion as long as the tubing is sealed. It also has the added bonus of finding any welds that are not sealed. The same process applies to motor mounts. It's simple to do, is a permanent corrosion proofing method and is also accepted aircraft industry practice.
However, I would bet that most motor mounts flying around on most experimental aircraft have no corrosion proofing other than an external coat of paint or powder coating to make them look nice. Jeff Scott On Fri, 18 May 2007 22:28:18 -0500 "Steve Bray" <rsb...@hotmail.com> writes: > I believe I heard/read that linseed oil was put inside the tubes of > the > fuselage before welding them up to prevent rust. This should work > on the > gear/engine mount also and give you a good excuse to roll over every > now and > then to " Oil Your Tubes." > > > Just a thought, > > Steve Bray > Jackson, Tennessee >
