2 sentences with 'avioncopter'

Example sentences and phrases with the word avioncopter and other words derived from it.


« The appearance of the avioncopter around 1980 added a new variable to the old models: speed. For the first time, the construction of a helicopter with turbojets was attempted. »
« The invention of the avioncopter seemed to be successful and was popularised in the TV series Airwolf, but it still had serious drawbacks: the propeller rotor severely slowed down its advance, and this aerodynamic retraction meant that the aircraft could only outpace the old helicopters by 40 or 50 kilometres per hour, with the aggravating circumstance that at high speed the safety of the machine was seriously compromised. »

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