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  1. V

    Surefly tach issues -

    never mind - broken wire issue - no big deal
  2. V

    Surefly tach issues -

    I have a surefly ignition on the Rt. side and slick mag on the left. I initally installed with resistors (about 60k) on both sides. slick mag output fine, no output on surefly. I bought the surefly tach 2 box and installed on rt side using low voltage input. Now, I suddenly do have not tach...
  3. V

    D10A blank display with temperature of 1 degree F

    Thanks for the reply. I had the temp wrong, it was actually -11F (-23C) so outside of the published op specs. It may not have been actually that cold on engine start though. The plane was taxied for 5 minutes and then flying for another 8 to 10 min before one display popped on and shortly...
  4. V

    D10A blank display with temperature of 1 degree F

    Hi, Any thoughts on this?  My husband took off this morning after it had been -17C overnight in Oklahoma.  It was VMC so he took off with both of our D10As having blank displays.  Operating spec if for these to work down to -30C.  The engine on the plane had been preheated but the cabin had not...
  5. V

    D10A firware update failure, help!

    at the end of the day I was able to update the efis and the roll servo, but got errors trying to write the update to the pitch servo. EFIS hangs on the yellow screen but after cycling power it starts up normally with the exception of ERR on the pitch servo status. DSAB screen shows that pitch...
  6. V

    D10A firware update failure, help!

    I backed up my D10A with no problem. Then I got this message "Servo serial number 6735: Error connectiong to Servo, unable to communicate with chip #1 after trying again, I now get efis-d10a unable to communicate with chip #4. It looks like it has lost communication with the serial port...
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    Dynon d10a/hs34 arinc429 connections to Garmin gps

    I did get it to talk to the Dynon by switching to Collins Pro Line for ARINC429 output on the Garmin. Searching the message archive I saw someone else used that setting. Low speed is all the gps155xl understands. Still testing to see if all of the approach features and OBS are working...
  8. V

    Dynon d10a/hs34 arinc429 connections to Garmin gps

    I just completed hookup of the garmin 155xl via arinc429.  It had been working perfectly when connected via nmea serial.  Now, I purchased an HS34 and want to use the arinc429 connections.  The gps acquires position but the hsi still says waiting for gps pos.  No course guidance is displayed. ...
  9. V

    max set airspeed how can I increase it to 190 knot

    thanks, I figured it out after posting. V
  10. V

    max set airspeed how can I increase it to 190 knot

    Hi, We need to set a higher max airspeed for the pitch servo. I just tried to increase it and the max it would increment to is 176 knots. I can decrement the speed, it appears that Dynon limited the high speed. After level off at 6500 ft. the airplane easily exceeded 176 kts and started to...
  11. V

    Wittman Tailwind W8 servos slipping

    We have since upgraded the SV32 to the SV42 on the Wittman Tailwind. The SV42 works perfectly as a roll servo in the Tailwind. Able to maintain heading, track in turbulance. Valerie
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    SV-2S intercom, experience in noisy aircraft?

    We would like to try the SV-2S intercom in our Wittman Tailwind. Nearly 120dB spl in the cabin at low altitudes. We have had good luck with PS Engineering 1200 but the cost, integration with other Dynon stuff and stereo output are attractive. Advice from current users and factory appreciated...
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    Wittman Tailwind W8 servos slipping

    Hi I have an SV32 roll servo driven by the D10A. It will hold heading reasonably well, but in even light turbulence it will slip. Nav and track mode cause a fair amount of slippage. I have lubricated everything in the aileron linkage, the controls feel good and smooth. The breakout...
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