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1. 11:39 PM - AOA video (Larry Cottrell)
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https://vimeo.com/156368644 password- owyheeflyer
This is the video that I took while testing my crude wind vane to get some
idea of how much movement would be expected leading up to a stall. I
intended to do it last night, but when I looked at the video of the GPS
speed, I about convinced my self that I had not stalled after all. I really
had run it until it began to burble, and saw no need to go any further than
that. Then when I saw that the GPS speed was 40 MPH, I was confused until I
realized that I was doing my stalls down wind, and the ASI was showing 29
MPH. I guess that is the reason they say that the stall speed can change,
but the Angle of Attack will not.
It was too windy to fly today, but I have changed out the vane and replaced
it with a 12 inch piece of yarn. I will mark it where I expect it to stall,
and by lengthening it, the ability to see when it will stall will be at
least doubled by the longer piece of yarn.
Larry
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