Today's Message Index:
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1. 12:19 AM - Lightning (Malcolm Ferguson)
2. 12:40 AM - Re: Re: Ground Safety (James, Clive R)
Message 1
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http://www.pas.rochester.edu/~cline/ASK%20lightning%20strike/ASK%20accide
nt%20report.htm
Read this article about a lightning strike on a ASK 21 two seater
glider. Luckily they were both wearing parachutes.
Composite aircraft and lightning don't mix.
Malcolm Ferguson
VH-ECO
Message 2
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| Subject: | Re: Ground Safety |
>From what I read the issue was having a cap that was not connected
(bonded) to the tank flange? I'm assuming that the tank flange is
grounded to the aircraft ground?
Is this the type of cap you see on Vans aircraft?
With composite aircraft all parts of the fuel system should be bonded
together. Either by design or by a wire. Even carbon fibre, although a
good conductor, aluminium it's not.
Those with Jabiru experience will know that from the fuel caps being
connected to the tank flange and everything else. It's not a bit of wire
to stop you losing the cap.
I hadn't thought of the significance before.
This is really bad luck of course, where a combination of circumstances
arrived to give some conditions that would be difficult to recreate if
you were to try.
>From the look of such a sweet aircraft Jonny won't be long getting it
back to perfect but I know the sinking feeling of having to start again
when you think you've finished.
My Esqual is hanging upside down waiting for the new parts from Arion,
hopefully when I put it back together this time if will be for a bit
longer!
Thanks for sharing this, I've been thinking through my two builds to
make sure I've not missed anything in this important area.
Regards, Clive
-----Original Message-----
From: owner-lightning-list-server@matronics.com
[mailto:owner-lightning-list-server@matronics.com] On Behalf Of wampam
Sent: 09 April 2009 18:39
Subject: Lightning-List: Re: Ground Safety
Has anyone determined if static wicks are effect on composite aircraft
in flight?
W. Mefford
N881WP
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=238516#238516
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