My board is all finished and waiting for the enclosure (ordered) I have the Alpha systems probe which I purchased years ago with intent of buying their system later. My intent is to use the inspection port area under the right wing
(left side has pitot tube). Cut the base plate to fit rib and doubler for the inspection port. Use counter sunk metal screws to mount then cut hold to match probe in inspection plate. Tubing is in place in conduit. Set the angle of the probe at 50 degrees from the chord line. Any comments as to location and angle?
Mark
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Mark,
50 degrees is a good place to start, and the inspection plate will work. That probe needs to be aft of 26% mean aerodynamic chord, and the inspection plate should work for that. We've only tested at 45 degrees, which resulted in a polynomial fit for the aircraft curve, and that type of probe SHOULD result in a linear fit. We originally "hard mounted" the alpha systems probe at 45 degrees in the RV-4 test bed, but we are currently modifying that mounting, to use the adjustable mount so we can adjust the angle. Depending on when you start flight testing, you may be ahead of our testing of this probe, so we'll help with the calibration. Just keep us posted.
We are concentrating on software testing and auto-calibration; but will get the "auxiliary" AOA probe on the RV-4 bolted back on soon with the adjustable mount so we can commiserate.
v/r,
Vac