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I got the meter today and did some testing just holding out the window of my car as I drove.
I made some observations about taking measurements with this device.
1)Traveling perpendicular to the ambient wind gave the best results.
2)Buffeting from other vehicles causes large swings in MPH readings
3)Rotating the meter head to simulate a non-vertical grill had a large impact on the MPH. I think that is because it decreases the area exposed to the air flow (circle to ellipse).
4)Keeping my arm steady at 60 MPH was not as difficult as I thought it would be
5)Within my reach I found resting my hand on the side mirror so the meter head was in front of the mirror gave the most consistent results.
6)People kept honking at me and looking at me like I was insane.
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