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Drilling holes close to surface

Subject: Drilling holes close to surface
From: Fergus Kyle <VE3LVO@rac.ca>
Date: Mon, 15 Oct 2001 14:09:26
"Incidentally I used a flexible drive on my B&D (which was itself mounted on
a block of wood) to drill the holes in W18's etc. This allowed me to drill
horizontally as close as 1/2" to the wing surface."
(Mike Gamble)
Cheers,
            I couldn't get AS to send me their close-tolerance 90deg drill
head kit after asking twice so turned to another device to get the W18s
drilled sufficiently close to the wing surface - 1/2inch.
            I bought a WOLF electric drill extension which has a rubber
handle at the end to hold the drill bit. I ground the handle down to a flat
exactly 1/2inch from centreline and slid that along the wing to drill the
W18. The holes came out perfectly parallel to. and correct distance from.
the wing surface. The unattainable drill kit was US$80 or thereabout
(CAN$125 plus taxes), the drill extender about CAN$40 all in.
Happy landings
Ferg
A064



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