> Sent: Tuesday, January 22, 2019 at 10:13 PM
> From: "Kayak via KRnet" <krnet@list.krnet.org>
> To: KRnet <krnet@list.krnet.org>
> Cc: Kayak <kayak1...@gmail.com>
> Subject: KR> composite lightning protection
>
> I vaguely recall reading that one of the first mainstream composite
> kitplanes had bad failure when struck by lightning, and subsequent examples
> had mesh or other conductors embedded into the wings composites in order to
> handle the current.
>
> is there anything to this? never saw or heard of anything like this in a kr
> build, not any lightning major delam incidents...
> _______________________________________________
I don't know of anyone flying a KR that would be flying in close vicinity to
lighting. The chances of a strike are low to begin with even in an all weather
IFR plane. While I have heard lots of builders declare they were going to
build their KRs to be IFR, I can't say I've ever met someone flying a KR that
routinely flew actual IFR time, let alone into the vicinity of thunderstorms.
So, the question becomes, is the additional weight of adding metal mesh around
the plane worth the weight penalty? I think you'll find the vast majority of
builders (likely 100%) so far have decided not.
-Jeff Scott
Cherokee Village, AR
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