I just pulled the boom vang plate from the bottom of my mast. Was just going to just reseat the 8 SS screws in Tefgel or DuraLac, but after seeing the state of corrosion, I'm thinking about doing more. Seems I've read of others installing an insulating fabric or membrane between AL and SS parts. What did you use for this?
The grayish flakes in the second pic are the back-side of the black anodization that peeled off the mast and stuck to the plate. The white flakes are clumps of oxidized aluminum "powder." The mating area on the mast is full of this "bubbled" aluminum powder.
The grayish flakes in the second pic are the back-side of the black anodization that peeled off the mast and stuck to the plate. The white flakes are clumps of oxidized aluminum "powder." The mating area on the mast is full of this "bubbled" aluminum powder.