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Assessing Maneuvering Performance
Why Do I Care About Performance under G? Great question! I want a system that will work well right up to aircraft limits and beyond. I...

vac023
Oct 7, 20208 min read


Homework Status
Nothing is over until the paperwork is done. We are fans of “just enough, just in time analysis…” i.e., just enough post-flight analysis...

vac023
Sep 19, 20208 min read


We Should Be at Oshkosh...
...drinking Spotted Cow. But because we can't (wisely under the circumstances), I thought I'd post a quick update: Just Say No to Apple...

vac023
Jul 25, 20209 min read


June Update
I don't spend enough time working on the website, partly because "Vac" and "website" and "computer" can be mutually opposing forces of...

vac023
Jun 15, 20206 min read


The Energy Display Matures
Welcome Kacy and Paul! One of the cool things about this project is that everyone working on it is a volunteer. We do this because we...

vac023
Apr 26, 20204 min read


Full Circle: Back to Linear
When we first started what would become the Gen 2 project, we based it on the work started by Dr. Dave Rogers detailed in DOT/FAA/TC-18/7...

vac023
Apr 10, 20206 min read


Spring Cleaning
"OWS" The F-15 had a nifty system that used tones (sound familiar?) when you approached the G-limit of the airplane. This system was...

vac023
Apr 5, 20206 min read
Software Programming for "home builders"
Lenny recently put together a set of instructions for loading software for folks that are building their own Gen 2 V3 system: 1. ...

vac023
Feb 28, 20203 min read


Visual Display and Full Envelope Cueing
The Energy Management 101 article in the “how to use the AOA tone” section of the site explains basic energy management principles and...

vac023
Feb 27, 20205 min read


Making Sausage
One of the primary objectives of beta test is to automate the calibration process; but for now we are still doing it the old-fashioned...

vac023
Feb 23, 20206 min read


"3D Audio": Listen to your Sideslip
To maintain aircraft control, the pilot has to manage alpha (AOA), beta (sideslip or yaw angle) and energy. Our tone logic already...

vac023
Feb 11, 20202 min read


First Sling LSA Mod
A big part of beta test is integrating Gen2v3 capability into the Sling LSA, a really nifty South-African designed two-seater powered by...

vac023
Feb 6, 20202 min read


Feb 5 Update
Lot's to write about! We've been busy and in no particular order: Beta Test Hardware Our production team (read Lenny and Phil!) have...

vac023
Feb 5, 20206 min read
Calibration Step 1, Part Deux
As we get ready for beta test, I thought it might be beneficial to write up a "how to" to help with developing aircraft curves--i.e., how...

vac023
Jan 14, 20203 min read


Happy 2020! Carry on...
Boom Integration Part Deux I made the first flight with the boom attached on New Year’s Day—a good way to start 2020. The boom itself is...

vac023
Jan 3, 20206 min read


Holiday Update
After 18 months of work, we've got a fully functioning coefficient of pressure AOA system that generates the old F-4 style performance...

vac023
Dec 27, 20194 min read


Calibration Step 1: Determining and Programming the Aircraft Curves
A couple of blogs ago, I introduced the background on what we call the “hard tune” calibration technique for the Gen 2 AOA system. By...

vac023
Dec 1, 20194 min read


Don't Bake the Expensive Electronics
Heat is pleasant sometimes if you’re not a polar ice cap, but too much of it in the cockpit doesn’t help with personal comfort or the...

vac023
Nov 21, 20194 min read


Calibrating Gen 2
The heart of the “logic” that drives our second-generation AOA tone generator is detailed in DOT/FAA/TC-18/7 Low Cost Accurate Angle of...

vac023
Oct 30, 20194 min read


Version 3.0 Development
Our initial work was software based—just tap into the Dynon AOA signal and find the 60% lift point. That turned out to be more...

vac023
Oct 20, 20193 min read
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