The alum and stainless will get along fine assuming they aren't under water. If you're convinced that the cast alum fitting is strong enough, I'd use tapped machine screws rather than the pop rivets, altho stainless rivets would do fine if you got the lengths right.
I'd also suggest mounting the fitting with a dry run, then taking it off and bedding it with epoxy putty. If you ever need to remove it you can heat it with a little propane torch and pry it off. About 200 degrees should do it. No need to take the temper out of the mast! Jerry jerrymontgomery.org ----- Original Message ----- From: "Chris and Jeff Packer" <[EMAIL PROTECTED]> To: "For and about Montgomery Sailboats" <[email protected]> Sent: Monday, June 12, 2006 6:56 AM Subject: M_Boats: mast question Any advice on mounting a cast aluminum tang for a forestay to my aluminum mast. A friend of mine says he always uses stainless steel machine screws and taps the holes into the aluminum mast when mounting hardware. I wondered about corrosion with Stainless and aluminum together. Is there any thread compound to use to help with this? What about pop rivets? Are they strong enough? and would I use aluminum or Stainless rivets? Any comments would be appreciated. Jeff _______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats _______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats
