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A rotary wing is typically unstable in ________(a) Yaw(b) Roll(c) Pitch(d) BankThe question was posed to me in unit test.Asked question is from Overview of an Aircraft-2 in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The CORRECT option is (a) Yaw

For explanation: A rotary wing is typically unstable in yaw. Such wings usually require a vertical stabilizer in order to balance the unstable yaw. In CASE the yaw is unbalanced, the aircraft MAY GO out of control and crash.



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