Contrarotation

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Con`tra`ro`ta´tion

Circular motion in a direction contrary to some other circular motion.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

References in periodicals archive ?

The simplified aerodynamic configuration of battery powered tailsitter consists of four main parts, as shown in Figure 1, fuselage, straight rectangular wing, twin contrarotation propellers, and twin elevons located on the trailing edge.

Preliminary design of a small unmanned battery powered tailsitter

The system (H.6) and the computational relative trajectories for load M swaying in Figure 12 show that there is the contrarotation of the noninertial reference frames B and F to crane boom [BO.sub.2] slewing.

3 DOF spherical pendulum oscillations with a uniform slewing pivot center and a small angle assumption

On the other, she has to face the contrarotation of public opinion and the cycles of Christian identity, particularly vis-a-vis the growing power of the monastic movement.