Cliffwhacker is the new flap-equipped slope sportster from Alex Whittaker's drawing board. It was the free plan with RCM&E's Jan 2015 issue with a follow-up article in the new March issue.

Easy to build, the model is a perfect sloper and handles a variety of conditions. Those who hate cutting ribs and formers will be pleased to know that a set of laser-cut parts and a wood completion set are available from the Plans Service.

Wingspan: 60" (1524mm)
Fuselage length: 37" (903mm)
Wing area: 480
All-up weight: 47oz
Wing loading: 14.1oz / sq .ft.
Functions (servos): Aileron (2), elevator (1), rudder (1), flap (2).

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