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Hi All -
I got the attached PDF file from Ed Rupke at Lightning Technologies in
Pittsfield MA. I believe they are pretty much the leading authority on
lighting and how it affects aircraft. Below is part of an email he sent to
me.
You can also visit their web site
http://www.lightningtech.com/f_sets/aerospace.html
Ted Stanley
Direct Flight, Inc.
On the subject of protecting you Lancair IV, the carbon fiber construction
does provide some degree of conductivity for lightning currents. However
the higher resistance will result in much higher currents and voltages on
systems than in a metal aircraft. Carbon fiber fuel tanks are also prone
to internal arcing and sparking at structural bondlines and interfaces. My
recommendation is to invest your efforts in avoidance of lightning,
especially flying in the clouds during rain or conditions conducive to
lightning. Stormscopes and other devices can provide information as to
where lightning is occurring, but will not predict the first lightning event
in a building cell.
I have attached a pdf file with some information that may help you to
understand the lightning interaction process with aircraft. It also has
information describing conditions that aircraft are generally struck.
Hope this helps,
Ed Rupke
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