There is a corrosion problem with carbon contacting aluminum; that's why the builder's manual says NOT to mark aluminum with a pencil, use a fine sharpy instead.
There is a corrosion problem with carbon contacting aluminum; that's why the builder's manual says NOT to mark aluminum with a pencil, use a fine sharpy instead.
Jim Ott
Portland, OR
Kitfox SS7 flying
Rotax 912ULS