Compass "window" size

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8383
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Compass "window" size

Post by 8383 »

Can anyone please send me the dimensions of the compass window on the instrument panel? I have a panel that needs repairing back to original (full size instrument back to standard compass) so it would be nice to have the original sizes. I have attached the style of panel that I need the dimensions for.
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140-instrument-panel-DYK774.jpg
140-instrument-panel-DYK774.jpg (175.45 KiB) Viewed 3885 times
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6643
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Re: Compass "window" size

Post by 6643 »

I have a NOS older style (120) panel at the hangar. It appears to have the same window. I'll try to get out there and measure it for you this weekend.
panel shot.jpg
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6298
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Re: Compass "window" size

Post by 6298 »

I have a 47 like the above picture, and an earlier model like Johns. The 47 is rectangular and measures 1.385 x .877 inches. The earlier panel is 1.536 x .90 and has a 1.25 inch radius left and right. I was curious and my planes were close by..
Randy Thompson A&P IA Pilot
Hold STC SA547EA for installation of O-200 engine in Cessna 120/140 and 140A"s
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6643
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Re: Compass "window" size

Post by 6643 »

Thanks! And, yeah, I was looking at the two photos and noticed it looks like the early panel is round on the vertical edges.
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Re: Compass "window" size

Post by 4004 »

Randy, you forgot to include: ambient temperature, barometric pressure, and relative humidity at the time measurements were taken! :lol:

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Re: Compass "window" size

Post by 8383 »

Thanks for the fast responses guys, time to go make some repairs!

Thank you.

Jim B
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Re: Compass "window" size

Post by V529 »

6643 wrote: Sat Mar 02, 2019 8:22 am I have a NOS older style (120) panel at the hangar. It appears to have the same window. I'll try to get out there and measure it for you this weekend.

panel shot.jpg

MAN! look at those Yoke covers!! I'll bet you "know a guy" who can find those. ;)
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6643
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Re: Compass "window" size

Post by 6643 »

529 wrote: Thu Mar 07, 2019 8:49 pm MAN! look at those Yoke covers!! I'll bet you "know a guy" who can find those. ;)
Well, now that you mention it... ;)
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