contra-rotatingadj.
Rotating in opposite directions.
ΘΚΠ
the world > movement > motion in specific manner > revolution or rotation > [adjective] > revolving or rotating > in opposite directions
contra-rotating1945
1945 J. A. Kyd Variable-pitch Propellers i. 9 Another development..appears to be maturing at the moment; this is the Contra-rotating propeller, which consists of two three-bladed propellers revolving in different rotations on the same shaft.
1949 Gloss. Aeronaut. Terms (B.S.I.) ii. 20 Contra-rotating propellers, two propellers mounted on concentric shafts having a common drive and rotating in opposite directions.
1960 Farmer & Stockbreeder 1 Mar. 72/1 Washer..with contra-rotating cleaning brushes operating from a central spindle in the drum.
1962 Times 19 Apr. 24 A British two-seater aircraft having two co-axial contra-rotating lift rotors.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).
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adj.1945- flow with milk and honey
- flow with of
- flow-blue
- flow-dike
- flow-function
- flow-gate
- flow-line
- flow-meadow
- flow-meter
- flow-moss
- flow-pipe
- flow-rate
- flow-sheeting
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- flowage-line
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- flowblue
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- flowed
- flower
- flower arrangement
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- flower constantinople