The interior of tubes in welded fuselages are routinely sprayed with
linseed oil then sealed as far as possible.

A commercial treatment for car underbodies that is no longer available
consisted of wax dissolved in solvent. You can still make this up and
spray or brush it on. Must heat the solvent: can be kerosene, diesel
oil etc in order to dissolve the candle wax in it. Beeswax,
shellac and petrolatum (like vaseline jelly) have been used to make
up Cosmoline style protective greases too.

Regards

Brian


On Mon, 02 Feb 2004 01:18:26 GMT, "Rich"
wrote:

I know, I know. Why don't you do it the right way up front and save a
bundle?

Well, this is one of those get out of a deal as cheaply as possible and
start over. I need to replace the old (ungalvanized steel) axle on my
father in law's boat trailer so we can sell it ( with full disclosure of its
condition) and possibly start over. The old one lasted many years without
even being rinsed off with fresh water after each use.

Will saturating the replacement axle, springs, u-bolts, spring hangers, etc.
with LPS 3 or something similar be worth the efffort? We would like it to
last the next owner longer if possible.

Any other product that might help? No , we don't expect the same longevity
as hot galvanizing.

Would using Rob White's heat the thing up and spray it while hot and then
let it cool method get the protectant any deeper into the spring stack?

Thanks ,
Richard " Trying to help the dad in law get through with his boat
project"