Tag: pd-1

Even when built from the same kit, no two aircraft are exactly the same—that’s why you need a builder’s book. By Amy Laboda.

Beware the numbers.

Don’t let the statistics get you down.

Flight testing for longitudinal stability problems continues this month as columnist Barnaby Wainfan details tests for stick force as related to trim and stick-free stability of an aircraft. The object is to gather data and analyze it to see if the hypotheses about the nature of the problem hold up under scrutiny.