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#24
May 17th 09, 01:10 AM
posted to rec.aviation.homebuilt
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Building an electronic Angle of Attack indicator
"Peter Dohm" wrote in message .. . "bildan" wrote in message ... The interest for me is a sailplane installation where AOA is a performance issue in addition to a safety issue. My glider can be flown at 1000 pounds up to 1433 pounds gross weight and spends a lot of time in 2G turns thermalling. The AOA for minimum sink is always the same but the airspeed at which that happens changes a lot. The same thing with best L/D. A very 'slippery' glider takes a while for the airspeed to settle down after a pitch change. Flying to an exact AOA would be easier than chasing airspeed. An AOA indicator that shows minimum sink and maximum L/D as well as stall would be quite useful. The glider solution could be a simple as the piece of yarn along the side of the canopy... 
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