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From: "Barrett/Burns" <2thman@olympus.net>
To: "Lancair List" <lancair.list@olsusa.com>
Subject: Bonding Material
Date: Mon, 5 Apr 1999 22:48:55 -0700
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>>
For Merrill Smith,

Merrill, I'm not certain if you're referring to grounding the different
components - such as the ailerons, rudder and wings to the fuselage, but
assuming so, I used 3/16" braided, tinned flat copper wire with ring
terminals crimped to the ends - I attached these wherever convenient and
hidden.  I just used a #6 hardware screw, lock washer and nut to secure the
ends, except for the evelvator where I used a nut in the elevetor horn as a
grounding lug.  I've checked resistance accross all the various flight
surfaces and all seem to be grounded appropriately.

If you're referring to the static wicks, I haven't installed them with resin
yet, but I did use my bench sander to grind up about half a cup of carbon
dust for mixing with HYSOL when the time comes.  I'll do the body work to
near finish before I cement the billets to place.  Collecting the carbon
dust was done with my central vacuum system. I emptied the collecting bag
and washed and dried it; then used it to collect the dust from the sanding
operation.  There was still plenty of debris and particals in the carbon
dust but I kind of sifted it out by hand and have the dust stored in a
baggy.  I'll do a sample mix and glue job to test electrical continuity
before actually using the stuff on the airplane.

John


[You know, you can get conductive epoxy from Bill Maddox at Superior
Aircraft Systems... his phone # is 888-460-6611.    <Marv>   ]


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