Originally Posted by
Check Essential
Am I reading that correctly?
At 70,000 feet you're doing 105 knots / Mach .71 ??
Isn't that kinda slow?
Check Essential
(definitely not an astronaut)
Check,
At higher altitudes you switch to the mach meter for a reason. The distance between air particles is bigger up there.
The U2/TR1 was never considered a fast jet; its a glider.