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Sounds like somebody’s forever-plane has come to market! Good luck with the PPI! Best regards, -a-

How old are the antenna wires…? Many have been changed to the latest spec for antenna wires… nav/com issues… GPS signals are as week as signals can be… So grounding issues have come up a few times… People have found corrosion growing under the antenna… Sounds like a project for your local radio guru… looking for signs of things that can interrupt the connections… Best regards, -a-

My M20C used screws in the given holes… There were those fancy speed nuts on the other side… holding the screws in place… Once the speed nuts got lost, it takes an annual to have access to put them back… No fasteners… people slide around getting in and out of the plane… I believe the LBs use Velcro… and a plane cover to keep things from melting inside… Snaps would make a great method of holding carpets in place as well… Access to the underside of the floor is important to hold the fasteners in place… You can practice with 3M Velcro for the automotive industry… You can never unglue the glue you spread all over the place Expect to want to pull the carpet up… the first time it gets wet by something… soda, fuel leak, rain water…. Stuff happens. PP thoughts only… Best regards, -a-

Great offer Mr. Boomer! Mooney has a process of getting electronic copies of manuals out to customers… It often starts with a phone call to your favorite MSC…. Found at Mooney.com Go Mooney! Best regards, -a-

Anything newer than 1964 got a bunch of upgrades that were small, but hard to add later on… Since the question is about M20Es from 68 to 74… How they have been updated by prior owners will be more important… 1) Do you prefer the all manual plane, or all electric? 2) Do the most flush rivets impress you? 3) Do you care who owned the factory the day your plane was built? 4) Does the older end of this range have the short rudder? 5) Do you prefer the long rudder? 6) The M20E makes one of the greatest retirement planes…. Go E! Best regards, -a-

An example of a screw on cap… The Mooney electric gear switch… the post is threaded, and the big tire looking knob screws on the threaded post. Best regards, -a-

Some people have interesting ideas… 1) Why they want to take on a major refit of a flying machine…. 2) They have to have a serious driving reason to do so… like the plane has been in the family for 50 years or so… 3) Sometimes they are mechanics or machine shop owners in their professional lives… 4) Maybe they are familiar with wood working, and are EAA members already… 5) As far as costs go… there have been a few M20As listed for sale around here… and a few wings being sold… 6) Seriously… know that Mooney is still in business. And supports their customers given enough time… 7) There is a process for updating one M20 with more recent parts from a similar M20… it is more simple than the STC process… is more TC than STC… 8) Start becoming familiar with who at the Mooney factory can be helpful for your project… 9) Start collecting the details that exist for your project… maintenance manuals and parts catalogs… 10) One serious challenge… documentation has improved significantly over the years… 1958 was before the advent of CAD/Cam… and electric typewriters… What do you have to support your project? what do you need to support your project? We have a few suppliers pre-flown Mooney parts around here as well… finding a metal wing from an M20B probably isn’t that hard to do… The M20A is one of the first Mooneys to use natural composite materials to produce really aerodynamic airplane parts… Go Mooney! PP thoughts only, -a-

I can think of two resources that may have answers for this… as well as all of the mechanics on MS…. let’s invite @jetdriven and @M20Doc to see who is around on Sunday night? (Oil pressure adjustment, M20J) Best regards, -a-

Can’t tell what will happen… But, in the past…. There has been concern with the strength of the castings… Corrosion, can instigate a crack… A crack can lead to the yoke breaking, and then falling off… There is a recent example of a pilot on the internet that lost his Mooney’s yoke while flying…. Possible YouTube radio recording? There are lots of Mooney yokes that have corrosion issues where the hands rest… Salty palms apparently initiate the corrosion… Serious cracks have been found near the bolt hole for the bolt that holds the yoke in place… The FAA didn’t like dip coats for their ability to hide cracks… Most 60s Mooneys were nicely dip coated yokes from the factory… Not sure how well leather yoke coverings protect the aluminum casting from corroding… I really looong accident chain, that has low probability of occurring… But, proper cleaning and preventing corrosion is always a good idea… PP memories about stuff written on MS only… Best regards, -a-

Go CAV Ice! Go MS! Go whole CoMoonity! -a-

Hourly operating costs are interesting, and easy to calculate…. But, the answer is always going to be how accurate are your numbers…? FAA gives us the list of shared expenses we can apply directly to a flight… fuel, oil, airport fees, etc… (find the list) Realistically, our hourly costs include the annual, insurance and hangar…. In the past… I always knew how much it costs per year… Dividing that cost by the usual hours flown…. know that calculating hourly costs for your plane can be painful to do… Using typical rental costs should be close enough… Also know that the IRS gives a dollar per mile figure you can use…. Review with the charitable organization… because they may be writing you a receipt for the donation… you will want the details to be accurate if you will be claiming a charitable deduction… PP thoughts only, not an accountant… Best regards, -a-

While waiting for a good answer…. Our engines were built in a mirror fashion… Often there is an oil probe on one side of the engine, and a plugged hole on the other… Often the plug gets removed, and a second OilT sensor can be installed in the ‘same’ situation, reading a very similar temp… PP thoughts only… Best regards, -a-

Carbon fiber cowling is sooooo cool. It weighs near nothing… I saw/lifted the parts on display at KOSH one year… Best regards, -a-

The usual method is a push until it clicks… There is most likely an under cut in the cap that fits over a ridge on the post… allowing it to be pressed on and later pulled off… PP thoughts only, not an avionics guru… Best regards, -a-

Nice catch on the weld crack issue! Firm up a fix plan before taking on the responsibility of ownership… Weld cracks have been seen before, but they are not very common… Other places weld cracks have been seen include engine mounts… PP thoughts only, not a mechanic… Best regards, -a-

Great pic Hais! -a-

Tom’s pic Re-oriented…. A few days late.

A really nice pirep for Byron at RPM in KGAI Gaithersburg Best regards, -a-

From their website… TopSpeed team consists of writers from diverse backgrounds in all facets of the entertainment industry brought together by a passion for all things entertainment and a goal of providing the best, as well as most engaging, content possible for visitors to our site. They didn’t specifically say it wasn’t written by a chat bot… I always think entertainment and engine maintenance go together… Best regards, -a-

That is some interesting data you have there RBP! -a-

My 65 C used the standard hole, and a standard switch… and made a nice PTT set up… Of course, I wished MS was around at the time to get the Brittain system working correctly instead…. Then a vac switch in the panel would have been even better… to go with the PTT… Best regards, -a-

Great input so far… let’s invite @Yooper Rocketman to the turbo conversation… There is also a method for looking for turbo wear as that can lead to issues later down the line… +1 for knowing the engine’s rich state, and the restart procedure to follow…. This is a tough one to get any practice on before you have an actual turbo failure. There may be an altitude to be below before a restart can be done… check the POH for that… If there is a restart altitude… below the mountain tops you are flying over…. A good pre-flight of the turbo system may be a good idea… Thanks to EB for sharing his first hand experience and sushi story that goes with it… NA PP thoughts only, not a TC’d PP… Best regards, -a-

Some things to consider… 1) You can take the pilot out of the Mooney… 2) You can’t get the Mooney out of the pilot… 3) There are always Mooney pilots looking to share rides… 4) Keeping in the loop is important… Always welcome to discuss Mooney topics here. 5) Discussing Mooneys can be fun… while helping other people get to their next level… 6) Discussing age and health issues happens a lot around here… be sure to open that discussion to see if you can find more info about your situation… how other people have handled it, or something similar… 7) If you can navigate and talk on radios… you can make a great flying partner… Good luck with your current situation, and your next steps! I applaud you, sharing your situation. Way to go Steingar! Best regards, -a- The ‘Book of Steingar’ is oft quoted around here…. https://mooneyspace.com/search/?q=Steingar book&quick=1&updated_after=any&sortby=relevancy&search_and_or=and Is there really a ‘book’ written by Steingar?

Some people put it in the gas… Some in the oil… but none for the electric vehicles yet… Mr. Marvel was known for his carburetor… https://www.topspeed.com/every-reason-you-should-use-marvel-mystery-oil/#the-history-of-marvel-mystery-oil Nobody mentioned if MMO dissolves fuel tank sealant…. Use caution on this one… One person put gas in the oil sump to help wash out the sump… lots of sludge just sits there, and doesn’t move… Regarding oil leaks that make a mess of the rings… Is that an oil control ring that has been worn or is wearing…..? Does changing out the oil control ring help with that situation? How much effort does it take to swap an oil ring? It is nice to have a modern plane where the manuals are 100s of pages long… most fuels and additives have been tested and documented and covered in the documents… including the POH. Oddly, I haven’t seen the MMO show up in the documents… maybe it is in the standard Mechanic’s maintenance procedures…? If it is any good…somebody has documented it somewhere… an easy project for a budding engineer to write a Master’s thesis about. PP questions only, not a mechanic… best regards, -a-