|Quoting 2H4 (Reply 2):|
It is indeed an optical illusion. It's based on how long it takes an aircraft to travel it's own length.
|Quoting OldAeroGuy (Reply 7):
This is at least 15 kts too high for the 752. Where did you get the data?
|Quoting Zeke (Reply 10):|
Quoting OldAeroGuy (Reply 7):
Where did you get the data?
"Civil Jet Aircraft Design" , ISBN: 978-0-340-74152-8.