On 6/18/2020 9:17 AM, Mark Langford via KRnet wrote:
A hole saw is quite useful for this endeavor as well, unless you can
borrow an aircraft instrument panel punch from somebody (local EAA
chapter, perhaps). I used dumb hole saws and a drill press, although
just a drill works fine also. It goes pretty quick....
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Make sure you pick the best method for the material used on the panel,
wood, metal, glass. One method may work better than others on different
material. I used what I think is called a "fly cutter" but man, that
thing can do nasty things if you're not careful. I would only consider
using one of those in a drill press with well clamped down material and
absolutely not with a hand drill. It worked for me but that's as far as
I'll go.
Larry Flesner
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