direct-driven airscrew

  • 1technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …

    Universalium

  • 2Airship — For other uses, see Airship (disambiguation). Dirigible redirects here. For the 1931 film, see Dirigible (film). Not to be confused with Balloon (aircraft) or Blimp. Airship …

    Wikipedia

  • 3Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …

    Wikipedia

  • 4Rolls-Royce Griffon — The Rolls Royce Griffon was a 2,239.33 in³ (36,696.00 cc), 6.0 bore x 6.6 stroke 60 degree V 12 aero engine. The usual assumption still prevails that the Griffon was derived from the Rolls Royce R racing engine used in the Schneider Trophy races …

    Wikipedia

  • 5Leonardo da Vinci — /lee euh nahr doh deuh vin chee, lay /; It. /le aw nahrdd daw dah veen chee/. 1452 1519, Italian painter, sculptor, architect, musician, engineer, mathematician, and scientist. * * * born April 15, 1452, Anchiano, Republic of Florence died May 2 …

    Universalium