Speed Demon 470.733mph in mile 5, 481.576mph exit speed!!!
Someone post the timing ticket!
470.016 two-way average if I did the math right.
As for the slip, the Book of Face makes it hard to capture and extract images. So here's a summary:
8-13-20 08:08
Mile 2 297.268
2-1/4 357.941
Mile 3 383.168
Mile 4 438.626
Exit Speed 481.576
Mile 5 470.733
Wind: 3 from the W
Temp: 68.3 Humid 12%
Dewpoint: 25.75 DA: 5681 ft
Fastest piston-engine record?