Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.

If I had to venture a guess, I would say it's a graph showing Speed/ Fuel Consumption ratios. I would think Wind Drift and other calculations
would have been done with an E6-B or similar instrument.
Just a guess...![]()
I do not know exactly, but I think the fuel at anything.But the speed, in my opinion, is already quite close.Fuel consumption on a more difficult schedule determined they nonlinear.For example, here for the B-29:![]()
