???????? lml@lancaironline.net ????? #7945
???: <Sky2high@aol.com>
??: Static wicks
??: Thu, 21 Dec 2000 10:31:51 EST
??: <lancair.list@olsusa.com>
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<HTML><FONT FACE=arial,helvetica><FONT  SIZE=2>The Legacy 2000 provides for more interesting opportunities to dissipate <BR>Static than Lancair's other offerings. &nbsp;To wit, the entire skin is carbon <BR>fiber, including the tail, rudder and cowling -- save for the last 18 inches <BR>of wing tip, which is E-Glass and contains the nav antenna (in both wing tips <BR>if you have an early kit, in one tip for later ones). &nbsp;I plan to use 2 wicks <BR>on each outboard flying surface for a total of 10 (my old Skymaster had 27 <BR>and still immediately lost the Loran upon entering any precip).
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<BR>Using a simple Ohmmeter, I find I am getting about 25-30 Ohms per foot of <BR>separation on the Legacy skin. &nbsp;Of course, it is hard to get solid readings <BR>with probes but they are solid if probed on metal fastened to the skin, such <BR>as rivets holding nutplates. &nbsp;I find the same resistance between epoxied <BR>fuselage halves, so the continuity is good, but the resistance is high (not <BR>as high as E-Glass). &nbsp;The elevators, rudder, ailerons, flaps and cowling wil <BR>be bonded to the fuselage and the braided ground line running at the trailing <BR>edges of the wings, H-stab and V-stab.
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<BR>The wick mounts and other skin to braid connections will be epoxied with a <BR>flox made of finely chopped (minced, diced?) carbon cloth and Jeffco.
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<BR>Any comments would be appreciated.
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<BR>Scott Krueger
<BR>Legacy #2
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