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  1. M

    Do I have an AP Pitch tuning problem

    Thanks Jake. I went for a test flight yesterday to give it a test at low level (2000msl) since the last time I remember it working ok was relatively low and suspecting a static issue, I thought maybe at lower levels it just worked better. Nope, same problem of wandering and blowing through...
  2. M

    Do I have an AP Pitch tuning problem

    Somehow missed this response. Maybe my notifications aren't turned on. A year later and for a while the problem was resolved, now it is back. The shear screw was fine and the status showed no pitch slipping either. For a while I did find that the AP worked better if I flew slightly out of...
  3. M

    Do I have an AP Pitch tuning problem

    I am experiencing similar hunting for altitude on my D100 with the SV42 servos. Not sure why it started this behavior, it used to hold quite nicely. Lately, it's all over the place. I tried tweaking gains and sensitivities to no avail. I have to think that something in my overall system has...
  4. M

    Dynon D100 Heading Lag and overshoot

    I will try another calibration. It's been over a year. The attitude seems correct. This is installed in a Glasair 2RG and at cruise speeds, the pitch changes are incredibly subtle to produce climb/sink rates in the 500fpm range, but I haven't felt that the attitude indications were off. Just...
  5. M

    Dynon D100 Heading Lag and overshoot

    I've been doing more hoodwork lately and have noticed that the compass heading on our D100 has (or has developed) a significant amount of lag/overshoot when changing headings. It's almost as though the tape has inertia and when you roll wings level it keeps going at standard rate for a while...
  6. M

    D100 Autopilot Disconnects Nav Mode when transmit

    Thanks for the suggestion. I will have to see if I have the cables and ports to log NMEA data coming from the Garmin. Assuming I'm getting NMEA data, will the Autopilot need to be engaged? I'm assuming that the 430 doesn't know what equipment I have it connected to and just sends NMEA data...
  7. M

    D100 Autopilot Disconnects Nav Mode when transmit

    My setup: Dynon D100 pitch and roll servos Dynon firmware 5.6 (just upgraded from 5.4.3) Garmin 430w GPS/Comm When the autopilot is engaged on Nav mode, transmitting for a few seconds can cause the Nav Mode to disconnect. It seems to stay connected for Altitude Hold. I did not notice if it...
  8. M

    D-100 autopilot wandering in HDG

    Does the compass calibration need to be performed any time you disconnect it from the D100? Or just once per airplane/installation location. My partner calibrated the compass last week. Over the weekend I finally got around to installing the OAT probe I had purchased. That of course requires...
  9. M

    D-100 autopilot wandering in HDG

    I tested HDG and TRK modes on a flight yesterday. HDG started off ok, and then after 15 seconds or so started to wander significantly before I disconnected. I switched to TRK mode and it seemed solid. Turning the bug 5 degrees it gradually rolled to that new course and locked on. I was not...
  10. M

    D-100 autopilot wandering in HDG

    I've got the D-100 installed in a Glasair II-RG. The servos had just been replaced when we bought the plane, traded up for the larger servos from smaller ones. This meant the autopilot was in need of reconfiguring. Over the course of a few flights the prior owner and I tuned the settings for...
  11. M

    D100 OAT initially not found

    Thanks for the reply and confirmation. I had found the picture of the probe on the website previously, but I haven't located it on the airplane yet. I'm guessing the magnetometer may be in the aft portion of the fuselage if I remember the install instructions calling that out as a decent...
  12. M

    D100 OAT initially not found

    New Dynon owner with a recent Glasair 2 RG purchase. Setup: D100 HS34 Garmin 430W Garmin SL30 2 axis auto pilot servos installed. Vision Microsystems 800 series engine monitoring Probably some other relevant details I'm missing, but that's the gist of it. I noticed my winds were in the...
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