ellehammer造句
例句與造句
- The Danish inventor Jacob Ellehammer built the Ellehammer helicopter in 1912.
- The Danish inventor Jacob Ellehammer built the Ellehammer helicopter in 1912.
- *1906 Jacob Ellehammer makes his first flight with his aeroplane Danemark I on the tiny island of Lindholm.
- He was followed by Jacob Ellehammer who built a monoplane which he tested with a tether in Denmark on September 12, 1906, flying 42 meters.
- On stage, Basim was joined by two dancers : Tobias Ellehammer and Ivan Spahi, and three backing vocalists : Ayoe Angelica, Andy Roda and Marcel Gbekle.
- It's difficult to find ellehammer in a sentence. 用ellehammer造句挺難的
- Ellehammer later studied a disc-rotor configuration-a compound helicopter with coaxial blades that extended from the hub for hover, and retracted for high speed vertical flight.
- On 14 January 1908 Ellehammer achieved a flight in this machine of 175 m ( 574 ft ) and on 13 February, one of 300 m ( 1, 000 ft ).
- In June, Ellehammer demonstrated the triplane in Kiel, where he was able to collect a M 5, 000 prize from Prince Henry of Prussia for making a powered flight in Germany.
- In this aircraft, Ellehammer made a short hop on Lindholm Island on 16 August, and a sustained flight on 12 September, covering 42 metres at an altitude of around 50 cm ( 140 ft at around 2 ft ).
- In 1903 1904 Jacob Ellehammer used his experience constructing motorcycles to build the world's first air-cooled radial engine, a three-cylinder engine which he used as the basis for a more powerful five-cylinder model in 1907.
- On September 13, 1906, a day after Ellehammer's tethered flight and three years after the Wright Brothers'flight, the Brazilian Alberto Santos-Dumont made a public flight in Paris with the 14-bis, also known as " Oiseau de proie " ( French for " bird of prey " ).