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Old 03-22-2008, 07:54 AM
Alex D Alex D is offline
Join Date: Jan 2005
Location: Dallas, TX
Posts: 114
Default EFIS

At first glance the picture may appear to show a difference between the EFIS and the airplane, but in fact it's a bit deceptive. The camera angle, panel angle, attitude of the plane, and the timing of the photo have combined to create a slight deception to the eye in this 2D photo. At this moment in the flight, the airplane was in a turn during and engine out practice, and a good way to see that the airplane is banked relative to the EFIS is to have a look at the top of the photo. There is a lot more sky to one side of the pic, and a lot less on the other. If you use that reference you'll see that the horizon is relatively the same. The angles of the glareshield, panel, camera, plane and the ground have all conspired to create a small deception. It's hard to tell with a camera shot taken at a moment in time from a back seat the actual view the pilot and co-pilot saw. I was in the plane and have been flying behind the EFIS for awhile and would notice if such discrepancies were true.

I was in the airplane and having flown many hours behind many EFISes I am able to tell when something isn't right. This wasn't the case with this example. Technically, it's a complex discussion and if you'd like to converse about the details stop by the booth at SnF or OSH for as much detailed technical info!

Alex De Dominicis
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Old 03-22-2008, 08:14 AM
pierre smith's Avatar
pierre smith pierre smith is offline
Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,885
Default The rollbar brace..

....also shows a distinct left turn..

Rv10 Sold
46 years ag pilot/CFI
Air Tractor 502/PT-6
Building RV-12, Wings, fuse, emp complete. FWF in progress.
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Old 03-22-2008, 10:42 AM
TSwezey TSwezey is offline
Join Date: Oct 2005
Location: Savannah, GA
Posts: 1,849

The display is very accurate and I caught myself flying it instead of looking out the window.
RV-10 Vesta V8 LS2/BMA EFIS/One formerly flying at 3J1 Hobbs stopped at 150 hours
Savannah, GA and Ridgeland, SC
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