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0TreeLemur

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Everything posted by 0TreeLemur

  1. 0TreeLemur
    There is an EAA spreadsheet that allows you to do this using only three legs. The fourth is redundant. Search the internet with "true airspeed spreadsheet three legs" turned up this https://www.eaa62.org/technotes/speed.htm
  2. 0TreeLemur
    We are taught to quickly identify inconsistent instrument indications, diagnose the defective instrument, and ignore it. If you are worried about the person in seat 1F hacking your CAN Bus, you should make sure that you have enough steam gauges to do that. Oh, you might keep an eye on that hacker in seat 1F too.
  3. 0TreeLemur
    The M20C and my 1948 Willy's CJ-2A.
  4. 0TreeLemur
    The only essential electronics are spark train. The rest is all fluff. I think that is pretty cool.
  5. 0TreeLemur
    Nothing to see here. There is not a Mooney in the sky that uses CAN Bus protocol. Some modern automobiles use dozens of computers and many of them communicate using CAN bus. Our Mooneys might have two or three computers (GPS, EFIS, engine monitor), and they communicate limited data (Lat./Lon) over a serial connection. The simple fact is, take away the GPS, engine monitor, and for those lucky enough to have one- the EFIS, and you are piloting a fine piece of Apollo-era technology that is essentially as robust as the my favorite Huntsville lawn ornament: https://xkcd.com/1133/ It is un-hackable.
  6. 0TreeLemur
    +1 on the Ram ball mount.
  7. 0TreeLemur
    Year?
  8. 0TreeLemur
    +1 on Bevan Rabell. Mine had major surgery last year- replaced leaking capacitors, adjustment of gain, dead spot on volume knob. Mike did a great job for something like 0.7 AMU.
  9. 0TreeLemur
    Update- this morning I heard from Cecilia at Brittain. She wrote that they are still working to get permission to operate. No indication given of when that will happen.
  10. 0TreeLemur
    The trailer says it will be out in 2020. The origin release date was given as 2019- must be having script problems? It had _better_ be at least as good a sequel as the original deserves. The trailer sure appeals to this "almost the same age as Maverick" guy who's had to learn to roll with the punches the hard way. I did write down the number of that truck driving school, I just lost it.
  11. 0TreeLemur
    For the record and others who come upon this thread- the indication shown in the photo is what the Appareo transponder says when it receives no data from an encoder. That is not the correct Gray code for -1100 ft elevation. All 0's on the Gray code and -1100 ft indication is Appareo's way of saying "I'm not getting any elevation data from an encoder". I this case, it was because the transponder was not making appropriate contact with the connectors in the back of the tray- particularly the "D" connector on the back right-hand side. Proper re-installation by an experienced installer solved the problem.
  12. 0TreeLemur
    Today I took my airplane to the company that installed the Appareo last year. A big shout out to Jerry and Jason of Deep South Avionics in Okolona, Mississippi, for meeting me on a Saturday. They believe in supporting what they sell and install. It turns out that that the problem was a finicky connection at the back of the transponder where it plugs into the tray. It seems that the range of error is small given the length of the pins and positioning of the female D-connector in the back of the tray. It must be installed within about less than 1 mm tolerance. My take home message is: 1) don't fill your 430W and KX155 with water by using an appropriate sealant on the instrument bay; and 2) don't pull out the Appareo transponder if it is working. The good news is that it all passed muster (encoder, static test, and ADS-B out). I'm relieved. Coming back it worked flawlessly.
  13. 0TreeLemur
    Good luck finding a replacement membrane. Some of us have hoarded secret stashes, I suppose some more willing to part with than others... I e-mail Brittain earlier this week inquiring about their status. No reply as of today.
  14. 0TreeLemur
    Can't answer your question. Those valves seem pretty simple/robust- hard to imagine one getting bound up. I did e-mail Brittain earlier this week inquiring about their status. No reply yet.
  15. 0TreeLemur
    Paul, for the unwashed masses, who or what is/was Univair? Thx.
  16. 0TreeLemur
    While flying my '67C with a Vietnam-era USAF veteran pilot of C-141s then airliners, the green light didn't come on when I lowered the gear. I triple checked that the J-Bar was in the "gear down position" and locked by pulling down hard on the collar. Deferring to his many decades of seniority- I pointed at the dark green light asked him what he thought. He said "your gear are down and locked" without hesitation... A Johnson bar is a better indicator that a wire vibrating in the wind, IMHO. It it is up in the vertical position and the collar is locked, your landing gear are as down as they are going to get.
  17. 0TreeLemur
    My bird has no static drain. The alternate static source on when we acquired her was a push/pull valve installed on the back of the VSI. It was impossible to get to in flight. We installed an alternate static switch in the panel https://www.aircraftspruce.com/catalog/elpages/togglevalve11-12168.php?clickkey=9489 Any time I open the alternate static valve in flight there is a slight deviation indicated on the VSI, and a twitch of the altimeter that quickly goes away.
  18. 0TreeLemur
    You are correct, @jamesm, the SI does not mention location of the drain valve. As I read the SI, moving the location of the tee is sufficient to prevent water from being trapped in the static system. Oddly enough, I can't see any mention of a sump drain valve, but seems to show something like it. The problem I would have with installing a sump drain valve is that in cold climates, undrained water will freeze and damage the valve.
  19. 0TreeLemur
    Cool story. A buddy of mine is fond of saying "It's a small world, but I'd hate to have to paint it". There are so few small aircraft in the air most of the time in my experience, I'm not surprised you would encounter other MS-ers. Last August while flying Mooney 2903L on freq. with Denver center, I was warned, "Caution- similar call sign on frequency, Mooney 2905L." That was cool.
  20. 0TreeLemur
    It reports a "parallel" connection, which is what the old Terra AT3000 would support. Those are 1970's encoders. Might be a broken wire/connector issue. The problem is, as I said, the one Avionics shop within a reasonable distance of me is too busy.
  21. 0TreeLemur
    I hate it when this happens. I just typed in a long explanation of my problem and it disappeared... Grrrrr. In late June my mode C and ADS-B reported elevation became a random number generator. I bought a used working Terra AT3000 encoder off eBay, plugged it in, and it made no difference on a test flight. So it is the cable/connector or Appareo xponder. Here is a photo I took yesterday evening in my hangar, which is at 175 ft elev. Obviously something wrong. I don't think that is the correct Gray code for -1100 ft either. Something is seriously wrong. Any ideas? Wouldn't the Appareo throw and error flag if it detected an internal problem? I don't see any error flags. All the avionics shops in my area are busy and/or focused on high $$ upgrades, not minor repairs to 52 y.o. Mooneys... Any help appreciated.
  22. 0TreeLemur
    Howdy everyone,
  23. 0TreeLemur
    Thanks. I subscribe, didn't put 2+2 together. Look forward to reading your articles.
  24. 0TreeLemur
    Please tell us when you publish articles and where.
  25. 0TreeLemur
    @Pasturepilot thanks for your XLNT writeup- now I have a new beach destination! We've hung the Sensorcon CO detector on the unused co-pilot's microphone hanger forward of the door. It actually stays there real well, and gives the co-pilot a bit to operate and monitor. The contrast between GA and Airline Pilot perspectives you offer is really fascinating to me. If my career choices had turned out just a bit differently, I would be a professional pilot "livin' the dream", not just a weekend guy schlepping around below the flight levels at M=0.18.
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