Aerofoil e.g. for model aeroplane, has wings extending in longitudinal direction with several, parallel to each other arranged strips which are held together at end and control surfaces have surfaces adjustable for different drag effects

摘要

The aerofoil has wings extending in a longitudinal direction (2a) with several, parallel to each other arranged strips which are held together at the end. Control surfaces (5) have their surfaces adjustable for different drag effects. The control surfaces are adjustable together with a small rudder motor.