There it was! The piece that was supposed to fix all my OAT problems. I crawled back into the tailcone and crimped it on. Measured everything through from the Molex pins and got 6170 Ohms for a very hot 97 degrees - in the shade, not in the tailcone, where it felt like 120 degrees F.
I plugged it in and started the SkyView with great anticipation but to no avail. All I got was "---". I reached back in the tail and lightly pressed down on the connector to see if the reading would appear but no such luck. From this connector I get absolutely no reading at all.
I pulled out the old one and removed some of the insulation from the leads and pulled out the whole yellow wire when I did. A bad crimp, obviously. I continued to solder on a 10 kOhms resistor, plugged that in the ADAHRS and got a steady 25 degrees C reading when lightly pushing down on the plug.
So the ADAHRS is not the problem, the connection is.
I wrote back to Dynon but I sure have lost any faith in their quality control. I just dealt with a broken servo that messed up my complete avionics system and would have rendered me without any avionics if it had happened in the air. Also, they sent me a replacement servo which was a unit that was used and had failed before for which it was "remanufactured". And that was supposed to be a valid replacement for a brand new unused servo that had done nothing so far than being installed in a fuselage? The remanufactured unit was older than my servo that had failed. What are they going to do about the ADAHRS now? Will they again suggest to send me a remanufactured piece of used junk in exchange for a brand new unit that I have just paid an outrageous amount of money for?
So, far I am not impressed - not impressed at all. If I could I would probably opt for a 6-pack at this point and forget about glass.
On a positive note, I checked the canopy skirt and noticed that my resin injection had done a nice job of fixing the delamination. Now I have to find out if it fits ok and do the fine trimming.
And to add insult to injury, Dynon Tech Support presents me with only two options to fix this problem - again. They offer to repair my unit (a brand new unit out of the box) after sending it in or to cross-ship a remanufactured used unit, just as they did with the servo (which had also failed right out of the box). No mentioning that I paid for something tested and working and that it is my time I am investing to determine the failures in their products and it is my money to ship around stuff that should have worked right away.
ReplyDeleteThis is simply not acceptable. Unfortunately, I don't have a choice in this case. If I want to go ELSA, I have to stick with the Avionics chosen by Van's.
However, I cannot and will not support this kind of unprofessional behavior when I can make a choice. My next project will definitely not have Dynon avionics!
I also informed Van's of the business practices of Dynon. I think they should know about this as the avionics is a major part of the attraction the RV-12 enjoys right now.
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