Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx>I had a friend of mine on a trip to florida have his airplane hit by lightning while tied down. The current flowing in the skin of the tail caused enough force to pop the skin off the inner structure and bulge outward.
Gerry R. .
Original poster: Ed Phillips <evp@xxxxxxxxxxx> This surprises me greatly that magnetic forces between these coils could manifest themselves without an iron core?" Try it and be surprised! You don't need the core to get magnetic forces.