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Individual
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Individual
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Priority to ES1969152205UpriorityCriticalpatent/ES152205Y/en
Publication of ES152205UpublicationCriticalpatent/ES152205U/en
Application grantedgrantedCritical
Publication of ES152205YpublicationCriticalpatent/ES152205Y/en
Toy-propelled airplane, of which the motive means consists of a known elastic torsion engine, essentially characterized by comprising a frame constituted by an elongated rod on the front of which is placed a helicoidal element; in its middle part the main planes of support and in its rear part, means for the fixation of the directional ailerons, tail rudder and coupling of the elastic driving rings. (Machine-translation by Google Translate, not legally binding)
ES1969152205U1969-09-291969-09-29
TOY PROPELLED AIRCRAFT.
ExpiredES152205Y
(en)
Changes in flight trainee performance following synthetic helicopter flight training(Helicopter flight simulator to improve pilot performance during contact flight training)