What difference is acceptable?
I am a little confused as to the scale for reading the airspeed difference on this graph. Will it clearly show 2 knots difference?
And - what difference is considered acceptable?
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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