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2 1/4" Instrument panel holes
I was wondering, what folks are using to cut the holes in the instrument panel to place round gauges.
I need to cut 3 2 1/4" holes and only want to do it once.
Please share what you are using and or method.
Thanks,
Rich simmons
Murfreesboro, TN
601XLB
Looking at next spring flight! (I hope!)
Comment
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Comment by Dan Dempsey on October 3, 2012 at 11:58am
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I made a very simple hole cutter. Works great!
http://daniel.dempseyfamily.us/zodiac/wings/skeleton/holecutter.jpg
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Comment by John Austin on October 3, 2012 at 9:42am
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By the way, Rich, just noticed you're near KMBT. I frequently fly my CH750 over to visit my brother (I'm near KCSV) there! Nice little airport, but busy!
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If you can put the panel flat and better yet, use a drill press, an adjustable circle cutter (sometimes called a fly cutter) works great and are usually about $15 or so. They can be used for any size hole you'd need on a panel.
Once way to get around having to put a large flat panel in the drill press is to put your gauges on sub-panels mounted to the panel with nut plates. This way, the entire sub-panel can be pulled for maintenance and access behind the panel. I've got two sub-panels on my 750 and wish I had installed three! I also found the gauge lay-out template that Spruce sells very handy to get precise alignment of gauge holes and mounting holes.
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