FIELD: nondestructive testing. SUBSTANCE: means has housing 1 and facility for moving it. Housing 1 is made up as a hollow ball. The facility is made up as an electric motor which is mounted inside the facility . Stator 2 of the facility is rigidly coupled with the housing. Rotor 5 of the facility is mounted on axle 5 set in bearings inside the housing. Weight 7 is rigidly secured to the axle. EFFECT: improved design. 2 dwg
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