In my humble opinion it's a very good idea to create a better path for lightning
outside the wings. 2 things come to mind: The better the conductor, the less
change for heat generation. The tie-bar is not an optimal conductor and there
should be a well connected copper or aluminium bar/wire parallel to it. The
other
obvious place to strike are the position lights. Maybe it's a good idea to
run their ground over the outside mesh, and not through a wire inside the wing.
The feed wires are usually longer and thus form a less interesting path for
a strike. I've seen brick walls blown apart because the lightning followed
a path over a wire in that wall. The wire was stripped and still in place!
Something
for my next winter to-do list. And if ever possible, i will still avoid
thunderstorms.
Regards,
Jos
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