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AOA is independent of bank angle (or airspeed, or pitch angle, or gross weight, or phase of the moon). An airplane stalls when it exceeds the critical angle of attack. Period. If you stall at a given AOA in level flight, you will stall at that AOA in a turn or pull up. Since the Dynon...

Here's the thread. One early poster used a ball inflator needle, but post 106 has pictures of a rivet. http://www.vansairforce.com/community/showthread.php?t=34040&page=6

What kind of aircraft do you have? You may be able to add AOA functionality without having to install a new pitot probe. I know some RV-12 guys have added AOA sensing by using a hollow blind rivet on the underside of the wing and connecting that to the AOA port. If your airframe would...

Don't know if anyone else has noticed (and it may just be the super-paranoid work firewall), but I'm getting virus warnings on almost every thread. I'm not seeing it on other computers. Not sure if it's a false positive or just something hidden really well...

Maybe things work different in the light airplane avionics world, but he shouldn't be charging you for the time he spent trying to fix a problem that he caused by not following procedures.

With a backup battery, I don't expect it would. But why would you design your system that way in the first place?

I think the thing to remember is that the D1 and D2 are intended as (portable) backup/standby instruments. You wouldn't use one as your primary or only attitude display in an IFR aircraft. From that standpoint, a reliance on GPS is not as critical as it would be in a primary instrument. The...

I was looking at the AOA mark as a separate issue, sort of. The best glide AOA mark would be set during the flight test period, during which the glide ratio for that AOA would also be determined and written down. User would input that glide ratio (see the AFS system, except instead of Vglide...

A distinct mark on the AOA display would serve the same purpose and not be weight dependent.

Dynon's sister company AFS has such a feature--see the AF5000 user manual, page 61 (the EMERGENCY Airport Button feature). I agree, this would be a really nice feature.

Where is it stated that a nav receiver has to be certified to couple to an autopilot?

I meant that it's possible, not that it's a good idea or legal.  Adding HITS boxes on a set glideslope to a runway isn't going to change that.  That said, if I'm VFR and get stuck on top with nowhere to go (no, it shouldn't happen; no, it hasn't happened to me; but it still does happen in the...

I could see a couple legitimate uses for the "synthetic approach" like that offered by GRT and AFS. I've flown on hazy days where visibility is VFR but (especially with the sun right in your face) you can't see the runway from further out. If you're heading straight in, it would be a nice...

Those car HUDs just reflect off the windshield. A real, usable aircraft HUD should be focused at infinity and properly aligned with the view. That requires a lot more in optics than just a bright LED display.

Re: Duel Band ADS-B That's not entirely true. ADS-B Out will also be required for aircraft operating within the 30mi Mode C veil around Class B airports, even if those aircraft never enter Class B or C airspace itself. This hits a whole bunch of people. 95% of my flying has started...

If drones/UAVs are going to be operating close enough that I need within-a-wingspan accuracy in my position for them to avoid me, that's too darn close. 300ft should be plenty accurate on both ends; just require that the avoidance algorithm maintain minimum separation of some multiple of the...

"Just don't fly there" isn't an option for everyone at airports within a Mode-C veil.  After 2020, the moment the airplane leaves the ground, they will be in ADSB-Out compliant airspace.  That includes the airplane in question--Dad's VFR-only RV-6--which is based at one such airport.  My RV will...

Yes, if ATC is providing separation based on ADS-B, then you want the data to be "accurate"... but do we really need to go through an entire certification process (which the TSO effectively is) to demonstrate that this GPS source is more reliable than perhaps every other system on the entire...

Any chance of being able to get Skyview and Avare talking to each other, at least to the point of being able to push a flight plan over?

If your D1/D2 is working, it means you have a GPS signal... so instead of just raw lat/long data, why not have some kind of independently-powered GPS device (cheap Android tablet?) with a moving map?