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  1. C

    AP 74 in Esqual VM1

    I'm happy to arrange to return the pitch control rod to you or send you pictures. Meantime we're experiencing an intermittent problem with the AP74 panel. It won't always engage when the AP button is pushed. If we turn off the Alt and push the AP button it will track heading but when we turn on...
  2. C

    AP 74 in Esqual VM1

    Looks like the aluminum rod (as supplied in the kit) that connects the pitch servo to the elevator control has stripped threads. Since this is a new installation, we're replacing the aluminum rod with a custom made steel threaded rod. Expect to test it tomorrow. Does that sound like the right...
  3. C

    AP 74 in Esqual VM1

    Thanks for the ideas and the link to the tuning guide. We will have a look. I can tell you that the lights are on in both the AP74 panel and the EFIS. No Yellow lights. I'm not sure what vertical speed is set for climb or decending. This plane had a simple Tru Trak installed when I bought it and...
  4. C

    AP 74 in Esqual VM1

    I had a local avionics tech install the AP 74 (with new servos for pitch and roll and the interface module) in my 2005 VM1 and we've been test flying it. It's connected to a Dynon remanufactured D10A. The heading hold works just fine but the Altitude hold is not holding present or selected...
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