How do you know it's a mail plane?Tubman 602, an advanced development of the 601, which was a mailplane.
He looked underneath.How do you know it's a mail plane?
Can anyone identify this plane?
Bernoulli certainly knew his ****, but the increase in lift from blowing over the top of the wing has absofruitly nothing to do with Bernoulli's principle.Just another way to show that Bernoulli knew his sh*T