Abstract
INFORMATION has just been released of the successful use of a new type of airscrew on British aircraft, principally those of the Fleet Air Arm operating from the deck of an aircraft carrier. It consists of two co-axial airscrews, one directly behind the other, rotating in opposite directions, each having controllable pitch blades. The development of this device, known as a ‘Contraprop’, is due to the necessity for turning into thrust the rapidly increasing horse-power being given by the latest aero-engines. Up to 2,000 h.p. is now given by engines coming into service, which on certain types of fighters gives speeds of more than four hundred miles per hour.
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New Type of Airscrew. Nature 147, 602 (1941). https://doi.org/10.1038/147602b0
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DOI: https://doi.org/10.1038/147602b0