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On Aug 6, 2004, at 10:19 AM, DJ Molny wrote:
Aerobatic planes are subject to significant fluctuations in oil pressure
during maneuvers, so their props default to coarse pitch to avoid
overspeeding the engine. This behavior is purely a function of the prop
design, and is used on both Lycoming and Vedeneyev M-14 engines.
This is correct. However, what I was getting at is why don't all engines have this failure mode as it does increase glide distance substantially in a loss of power situation. I don't know about you folks, but I'd rather have max. glide distance and partial power available (fails to high pitch), than reduced glide and full power (fails to low pitch). YMMV.
B
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