Page 277 - Airplane Flying Handbook

Used individually, neither is correct. Used together in the proper combination, zero sideslip and best climb performance are achieved.

Three different scenarios of airplane control inputs are presented below. The first two are not correct and can increase the risk of a

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loss f control. They are presented to illustrate the reasons for the zero sideslip approach to best climb performance.

1. Engine inoperative flight with wings level and ball centered requires large rudder input toward the operative

engine. [Figure 13-15] The result is a moderate sideslip toward the inoperative engine. Climb performance is
reduced by the moderate sideslip. With wings level, V MC is significantly higher than published as there is no

horizontal component of lift available to help the rudder combat asymmetrical thrust.

Figure 13-15. Wings level engine-out flight.

2. Engine inoperative flight using ailerons alone requires an 8–10° bank angle toward the operative engine.

[Figure 13-16] This assumes no rudder input, the ball is displaced well toward the operative engine, and climb

performance is greatly reduced by the large sideslip toward the operative engine. Due to the increased risk of

loss f control, instructors should not normally demonstrate this.
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Figure 13-16. Excessive bank engine-out flight.

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