"Jim Wilkins" wrote in message
...
On Feb 4, 12:18 pm, Rex wrote:
...
Always been my understanding that SS and aluminum were a no-no.
Galvanic action hastens corrosion.

The 5-year-old homemade guy line pulleys on my antenna have aluminum
side plates, brass sheaves and ss axles. I took them apart Sunday for
cleaning and greasing and didn't see corrosion on any of the metals.
They are exposed to rain and wood smoke but no salt. Perhaps the
grease film protects the aluminum.

The rebuilt antenna's terminals are stainless, too, and the
connections have remained good enough that from NH I can receive good
NTSC TV from Rhode Island and watchable signals from Hartford.

Jim Wilkins

Jim: My experience was with a McGregor catamaran in the Marshall Islands.
We had an abundance of salt and warm air. It would only take one year for
the white powder to show around a SS bolt in the Aluminum Mast. If I
recall, there was some greasy like compound when applied to the bolt that
would slow the process.
Stu Fields