Four-Blade - Animation

If conventional flight is a significant portion of the mission, a Stabilizer and Rudder are substituted for one Engine, and a Canard is substituted for another Engine, while all blades remain effective for vertical flight.

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This is information proprietary to William Terry (Bill) Holmes and his heirs
756 SE Linn Street, Portland, Oregon 97202, 503-432-8577 (home), 760-917-2498, wtholmes.com,
william@wtholmes.com.
No disclosure is authorized without prior written permission by William Terry Holmes.