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Many battery chargers like those from Harbor Freight are not filtered or poorly filtered, and some hammer the battery with pulses as part of the charge cycle. For charging a battery this makes little difference. Using it to run expensive electronics however is risky. Unless you are using a...

At 250 hours on an RV-10 I had two EGT probes fail. The replace probes are working. I now have another EGT probe starting the same failure sequence of the reading rapidly jumping around. On the first two probes this happened shortly before they completely failed. I also tried the "crimp the...

I have the pitot indicator wire (white wire) going to an EMS input. The EMS display is configured so that when pitot heat is off the "pitot heat" indicator is green. When pitot heat is on the indicator is red. See "EMS Sensor Definition, Mapping and Settings" starting on page 7-61 of the...

While there are many issues to rule out, I'd first look at the antenna systems (antennas, feed lines and connectors). Assuming you have > 12" of spacing between antennas then it is time to see if the antenna systems are operating correctly. If you have a ham radio friend ask him to come over...

There are a boatload of things to check - but first move the plane out of the garage to see if you still have the problem. Carl

The ADSB out source is selected when doing the configuration. The SV-250 is an option, as is whatever GPS serial feed you wired to the transponder. Page 11-12 of the Installation Manual covers this. Carl

I have the same setup (GTN-650 with SkyView 12.2) and do not have this problem. Settings are per pages 12.8 and 12.9 of the installation manual. Don't know if it makes any difference but I have do not have the automatic switching between GPS and Nav(ILS) enabled (page 12.9 of installation manual)

I believe my point is still valid. If we stay on this path we'll have few participating in ADS-B and miss what we could gain in safety. If we have a new requirement that products like the Dynon WAAS receiver can meet we'll have more planes in the system. I offer the later provides significant...

Good discussion - but the underlining issues remain unresolved. Here is part of a note I sent to the FAA ADS-B program office framing my thoughts toward a more practical approach to bring more people into the ADS-B world - and hopefully enhance safety for all. "The underlining issues behind my...

Thanks - but I've read those threads before and they do not answer my question. Yes or no, is Dynon working toward demonstrating the SV-GPS-250 meets the ADSB performance requirements? If Dynon wishes to explore options and be non-committal, just say so. It seems to me however that having a...

I spent a couple of hours this week listening to the FAA ADSB program manager go over where we are on the road to 2020 compliance. Filtering though all the regulatory double speak one aspect jumped way up above the noise level - the recent ADSB compliance technical revision. Specifically that...

Don't confuse trim tab position with trim motor position. The trim indication is linear and driven off the trim motor - which is also linear. Most trim tabs however tend not to be linear. On the RV-10, trim neutral is 3/4 of the way on trim motor travel. I set the green line on the trim...

Just installed 12.2. Did the "ADSB compliant" page and got a "no" with the message to change the GTN-650 serial output from "ADSB" to "ADSB+". Did so and now it says I'm compliant. It does not get much easier than that - thanks. Carl RV-10

Jon, I know of many people regretting use of such quick connect unions for the same reason - leaks. BTW - the same rig can be used to check for static system leaks before you have a guy on the clock doing your pitot/static biannual check. For static you tape over the static ports, connect...

A fail proof way to test the pitot plumbing for leaks and airspeed indication accuracy on the ground is to make a simple manometer out of some 3/8" clear tubing, a vertical piece of plywood for a mount and water column height chart calibrated in knots. Attached PDF file provides instructions...

Dynon specs say 3.5amps for the display and 1.5amps to charge the battery. It sounds like your 5amp breaker is doing exactly what it was designed to do. I use a 5amp breaker for each display but I'm not using the Dynon battery (plane has separate and switchable power systems). If I was using...

Use the standard momentary PTT switch on the stick. Have the output of this switch go to one side of your DPDT "Comm #1/Comm #2) switch on the panel such that the stick PTT switch keys the radio you want to talk on. While you could also switch the audio on/off based on which radios you are...

Richard, For the p-Mag I used a locking toggle switch to turn it on/off. The 5 amp pull breaker provides the means to turn off aircraft power for the periodic check to make sure the p-Mag generator is working. Agree that the three way toggle you describe is not the way to go. 600 trouble...

I can tell you for fact that the GTN-650 has (or now perhaps had) a "known" problem with PS-Engineering audio panels. The problem is the transmit audio is very weak for 9 seconds or so, then goes to normal level. As most transmissions are short you can see the problem. Garmin has a software...

I assume you are using the Dynon ARINC interface. If you are just using the GTN-650 serial output without the interface the GTN-650 will drive the HSI but the flight plan will not show up on the SkyView. I have the same set up and the GTN-650 approaches do so up on the SkyView moving map. It...