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[May 24, 2014]


I bought a Zaon XRX PCAS traffic detection system a couple of months ago. I wanted to see how it integrated in with the GRT EFIS's. I added a new wire for the input to Serial #4 on pin #33 on the GRT Sport EFIS


Here is the serial port configuration. The baud rate for the port of 57,600, and the type is "Zaon PCAS XRX Traffic". As you can see, the EFIS has seen 442 messages from the Zaon unit. So all is well and this can be mounted on the wingtip eventually.



Here is the pinout hookup to the Zaon unit. Pin #2 on the Zaon XRX DB9 transmits to pin #33 on the EFIS. Pin #5 on the DB9 is the ground. These are the only two pins necessary.


I added two layers of glass to the wheelpants to thicken them for countersunk screws. I feel like such a prima donna for doing this, but I like clean lines on everything. Whenever something can be countersunk it will be, no matter how much fiberglass work, filler and sanding is necessary!


So this was the find of the day - I talked to a bunch of people at my airport today and told them about my starter woes. My friend Alan (RV-4) said he had an extra B&C BCS209-149-12 starter that he would give me. It came off of his engine and apparently had a a history of having oil in it. I thanked him for his generous gift and decided to see if I couldn't fix it.



The inside was a complete oily dusty mess. I spent a couple of hours cleaning everything I could get it, as well as sand down the brushes and commutator. I have no idea if it will work, but it is a nice alternative to buying a new alternator. RV people are simply the best.

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Last Modified: September 4, 2017