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These spurious rpm variations with conventional mags can be eliminated. I use the MakerPlane PTACH in my Harmon Rocket because it was impossible to find the sweet spot with series resistors. There is more info elswhere in the Forum, but the summary is that it eliminates the signal variations...

I am a big fan of the pilot closing the loop... Give the pilot the information to make the decision. However, in my Harmon Rocket, the autopilot was almost useless because of the constant requests for trim. The point of an autopilot is to reduce workload which makes sense in a high performance...

I saw that others had problems, but there was no analysis of the root cause. I micro sectioned the egt crimp terminal and it was clearly not done in accordance with proper industry practice. Single crimp teminals and not enough insulation stripped was the root cause. Maybe Dynon should hire...

Shipped to me Oct, 2011 from PCA. Vern

I've replaced all of the fast on terminals with butt connectors now. I had a good look at the terminals provided with the probes and discovered that they are all crimped incorrectly. They are all single-crimped and the insulation is crimped with the wire, thus preventing a good gas-tight seal...

Yesterday, I had several of my EGT probes start to misbehave in flight.  I've determined that the fast-on connections are the problem, so I reseated them and coated them in Corrision-X and will fly again. They all started to misbehave at once.  On the ground, here's what I got.  First, the odd...

That's essentially how I found it. Thanks formthe help. Vern

Well, the problem has been solved by some detailed wire tracing. Turns out that the SkyView #2 wiring harness had two wires crossed in the connector that plugs into the AXIS-25A. I had a stern discussion with the avionics guy who installed it recently and sent him home for a nap. Everything...

Zipped file sent. I also checked the behaviour with both screens with identical databases... problem still exists. I will check the serial port configuration to see if something got corrupted with the load of version 11.

I have one more thing to do... I need to load hires terrain on the second screen and try again. That's the only inconsistency between screens right now. Vern

Well, not sure about the Unexplored Southern Area (USA), but in Canada we get hexadecimal, octal and binary options as I recall, in both official languages. There are 10 people who understand binary: those that do and those that don't. Vern

Here's what I've found on high performance aircraft: Even though my elevator and aileron forces are light on my Harmon Rocket, the wide speed range of the aircraft can require a lot of pitch trim changes until the aircraft stabilizes in speed. If the autopilot is engaged too soon, the...

Sounds like the SkyView wants the hexadecimal equivalent of the CASA binary code. You can convert here: http://www.binaryhexconverter.com/binary-to-hex-converter or you can do it in your head if you've never had a social life :-) Vern

Up until release 11, frequency information sent from my Aera would be consolidated with freq info from the SkyView and sent to my SL-40. This was handy because the Aera automatically selects the nearest airport in flight, or the source, waypoint or destination on a flightplan. The SkyView...

The controller has been production released since Oshkosh. I have posted the installation guide for the autotrim controller here.  It's hard to find on the MakerPlane site. Thanks, Vern

OK, I'll ask the obvious question... What is the best option for a lipstick cam to be located inside a cowl nostril in a taildragger using the SkyView video adapter? Thx, Vern

A customer of ours, the NASA Armstrong Flight Research Center, is developing GPAS technology for general aviation. Their development platform using an android device with a high resolution terrain map, a two-axis autopilot and some advanced predictive and manoeuvring software. Ultimately...

The auto-trim version of this controller was announced at Oshkosh. It does not require the use of a Dynon AP controller and requires only space for a lighted pushbutton on the panel. It also provides trim switch failure detect/correct and will continue to operate (without auto-trim) if the EFIS...

So where does the EFIS Failure checklist go? Vern

That was the original design intent when i designed the original network hub (AXIS-9A) that Dynon so shamelessly copied. I also designed a 25 pin version (AXIS-25A) that connects all of the other SkyView pins together and connects to other avionics devices. I see AFS/Dynon have improved on...