Nick,
The first R-4 landings on the Bunker Hill were May 6 & 7, 1943.
. . .
You say;
... approximately 25,000 aerospace professionals employed daily in helicopters, and world helicopter expenses in the $10,000,000 every year ...
I'm sorry to hear that it's so small. Where did things go so wrong?
Igor said;
We shall see hundreds of thousands of privately owned direct-lift machines carrying Americans about their business and their pleasures.
.
Dave
