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Old 06-08-2022, 08:54 AM
moetzmoet moetzmoet is offline
Join Date: Jun 2022
Location: Sacramento
Posts: 4
Default Cutting bulkhead for radio tray

Hi All

Adding an IFD540 to my panel soon and looking for tips on cutting the hold in the secondary bulkhead behind the panel (RV-7A Slider) for the long tray.

Why re-invent the wheel with all the smart folks on here... right?

I plan on four holes in the corners, but then a saw? Nibbler? Anything better?

Thought about clamping a piece of wood in there to dampen vibrations if I go the saw route.

Thanks in advance-
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Old 06-08-2022, 09:47 AM
Ironflight's Avatar
Ironflight Ironflight is offline
VAF Moderator / Line Boy
Join Date: Jan 2005
Location: Dayton, NV
Posts: 13,239

Dremel tool with a cut-off wheel - but put drop clothes underneath to collect the dust and stuff - vacuum well afterwards.
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
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Old 06-08-2022, 11:18 AM
Ralph Inkster Ralph Inkster is offline
Join Date: Feb 2008
Location: Calgary, Alberta
Posts: 1,962

+1 for Paul's suggestion.
Another option if space allows- drill 4 corner holes & a large central hole, step drills work perfectly for this. Using Lt & Rt offset snips make a series of cuts radiating from the center hole towards the corners till you have the square hole required. Quick and slightly less messy than the dremel cut.
built a few RVs, rebuilt a few more, hot rodded more, & maintained/updated a big bunch more
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