DCarlton

If you have all the data…. Curious, did the pressure change at all from when the oil was fresh to when it needed changing ?

There was a lot of abandoned wiring removed during this project leaving a couple of ground wires unused. One went to improved panel lighting and one went to the AV30. Based on this discussion I suspect the ground wire used for the AV30 was not the best choice; it was hard to physically trace to ground. I think the one that went to the panel lighting went to a newer AMP ground block. That might be a better choice. Or perhaps installing a new dedicated ground with solid pedigree. This may be a nit but I like to take a look after my knees recover. It’s the only minor “discrepancy” after several weeks of work. Sill need an inspection, sign off, and pitot static cert. This discussion has helped. Thanks.

No curtains. It’s a cool look but I prefer the unobstructed visibility.

On the to do list. Thanks.

Thanks. Good eyes on the releases. Seats never get moved. Can access the latches from the rear if needed to remove the seats.

It’s Vantage Plane Plastics now. https://vantageassoc.com/airplane/mooney/m20.html

Nope. My original armrests were made of something that sounds like exactly what you describe but they were in really bad shape and warped. I installed new Plane Plastics Interior Panels years ago, then finally got around to making aluminum armrests and side accent panels after I retired. I might go one more round soon with carpet and seat covers; Airtex or SCS. Waiting until I get my tanks reseal; carpeted side panels will need to come out to replace the fuel senders... then maybe new carpet... again.

I made all of my aluminum armrests and they look very similar to what you posted. Start with a piece of aluminum bigger than you need and make that long bend first. I think I bent mine over the edge of my work bench; I may have used a sheet metal break; can't remember. You need something with the radius to bend it over. Then cut it to size; smooth the edges, round the corners, pop rivet the nut plates, add the foam padding, then cover with upholstery. It's a time consuming job but it can be done nicely.

I have a starboard side AMP ground block in a very difficult to access location for most of radio stack. It's very difficult to see or chase the wires. That would be ideal if there were unused ground wires. I'll do a little work with the volt meter and may have an opportunity to improve some of the grounds. But yes, currently I doubt the EDM and AV are wired to nearby or the same ground points. Perhaps that can be improved. This voltage difference may just be a nit annoyance but I'm trying to improve the plane wherever possible when making any changes.

Gotta figure out where the EDM taps power to measure; AV30 is obvious. One thing I've noticed after crawling around under the panel, is that grounds have been added over the years using many different methods. If someone wanted to add a best case ground or multi-pin ground block somewhere forward on a Mooney, what would be the best attachment point? The skin or the steel frame? And if the frame, what would be the best attachment method? Or does it not matter that much?...

The AV30 is on an older 2 amp breaker that hasn’t been used in years. I wondered if the breaker could be the cause. Also wondered if a poor crimp could cause it or a poor ground? Yes I do believe the EDM is accurate. Will break out the DVM. Thanks.

My EDM 730 and AV 30 both display voltage but the AV 30 reads .5 volts lower. Is that common? How can the difference be explained if they’re wired to the same buss? I’m haven’t checked with a volt meter to see who’s providing ground truth.

I have a hole in mine and I don’t think there’s any repair that I’m comfortable with. I’ve had three inflight emergencies (one declared) in 30 years and don’t want another one. I think I’d rather suck unfiltered air. Suggestions welcome. New part on order.

Gonna take an out of cycle look at the rear 16s now just for grins. Thanks. Really want to buy some sort of inspection camera on a stick that I can view in real time from a laptop.

20 years and I’ve never had an answer to that. Good luck. I think it depends on your mechanic. I’d like the F answer too.