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The first thing to check is the condition of the plugs and wires. Pay attention to the plug gaps as well. Any kind of misfire or preignition is a problem and will cause transient high rpm readings.

I have found that the gallons setting is more precise than the liters setting. Gallons is in tenths, while liters are in whole numbers. Makes leaning and calbrating injectors more difficult. V

Classic has horizontal and vertical divider lines.

Without commenting on the merits of the case, I don't think it's wise for Garmin to use the courts to limit competition. The E-AB market is a pretty tight community and if Garmin is seen as a bully, it could actually hurt their sales in this segment. After all, it has been this community that...

And yet GRT who did probeless AOA now offers a Probed version. I think that a probe measures actual instantaneous airflow, whereas a computed version infers average airflow. On the other hand, the probe only measures a specific location on one wing. V

From rotax-owner.com: Alexander, If by "Fluctuations", you mean that the Dynon display appears to be generating random numbers between 3.x and 1.x with no apparent pattern at all... and the needle on a mechanical gauge appears to be vibrating wildly within a similar range of pressures... This...

I'm pretty sure you can configure this in the setup menu: D External Input “AUX IN” Set the external input mode. • OFF • ON • INCOM : The external input is OFF. : The external input is available while the squelch is closed. : The external input is available with the intercom op- erations as...

I would recommend using the ICom's Auxiliary audio inputs, NOT the mic inputs. Since there are multiple Aux inputs, you can connect the SkyView L and R outputs to the Icom individually. I would highly recommend terminating the SkyView Outputs with resistors to audio LO (gnd). Try 100 ohms...

The Mode-S ES transponders transmit position reports every second or so. What you are hearing is a small amount of RF interference due to this. It is especially noticable inside a metal hangar, but not in flight because the transponder signal bounces around and is stronger as a result. Some...

Let me chime in.  I am not sure it applies to the LASAR mags, but I have been recording and diagnosing ignition waveforms for a few years.  One thing I have picked up is that any degradation in spark plugs or spark plug wiring can lead to erratic (spurious high rpm at high power) indications...

Heat, vibration and contamination is very hard on these connectors. I replaced mine with barrel crimp connectors and my erratic temperature readings settled down. V

Reminds me of the old WATFIV IQ0 error. You'd walk over to the error code chart posted on the wall and it would say “IQ0 - Student programmer has insufficient knowledge to use this system”. If you understand this post, you are an old fossil like me. V

Here's the procedure: 1) you will need access to the static system.  I use the alternate static port in the cabin that has a 1/4 NPT fitting that can be removed. Some shops can use your static ports, but it's more difficult. 2) boot and warm up the SV and configure the transponder to turn off...

There is a much easier way to calibrate airspeed.  Simply stabilize your indicated airspeed then engage the autopilot.  Do a complete rate 1, 360 degree or more turn using the autopilot 180 turn function. Also, note the time displayed on the screen. Do this at several different airspeeds. On...

I agree. There must be something else afoot that is required for certification. My guess is that a complete, traceable QA system must be implemented corporately, and that system is all about documentation standards and procedures. That must be established (and adopted) before new software and...

I highly recommend NOT using VDO senders.  I've had to replace a fuel pressure sender after 200 hrs on my 9A and 100 hrs on my Rocket.  I disassembled one and found that the wiper tends to wear the resistance coil in one spot (presumably the steady state pressure).  It then gets stuck. I just...

So you want Dynon to debug an electrical system on an aircraft that you didn't build and has no schematic? Good luck with that. I'd pull the screens and bench test them first by hooking up a power supply. You probably have bad wiring or a bad breaker. Until you can establish that it's a...

I would recommend that you follow this thread http://www.vansairforce.com/community/showthread.php?t=148638&highlight=On-speed It provides a Naval Aviator's implementation of AoA. It's a hardware/software project that may be fun to implement. Superior to my implementation. Vern

OK, let me have at it: In my opinion, the audio system is superior to a glareshield indicator under most circumstances.  For Visual approaches, your eyes should focus outside the aircraft, not glued to an AoA indicator, no matter where it is mounted. The exception to this is if you have a tail...

This is a contradiction... if you are shorting the wires for this test, there are still at least two connections involved... check the dsub pins in the main EMS connector by removing the connector shell for inspection. I had two harnesses where a pin was not fully inserted. If this checks out...