NACA research towards reducing takeoff and landing speeds; use of large bodies of water as airfields; development of vertical takeoff; Convair F2Y Sea Dart fighter equipped with hydroskis; work on high speed flying boat configurations; boundary layer control for offsetting unfavorable low speed performance of high speed wing configurations; advantages of directing propeller slip-stream downward for low speed or hovering flight.
Drive for less concrete
Shell Aviation News
Shell Aviation News ; n 209
1955
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
VEHICLE MOUNTED CONCRETE MIXER HAVING A NOISE-LESS, LIGHT-WEIGHT, NON-CHARGEABLE ELECTRIC DRIVE
European Patent Office | 2025
|Asphalt or Concrete: Which Costs Less?
British Library Online Contents | 1999
|EMERGENCY DRIVE DEVICE FOR MACHINE-ROOM-LESS ELEVATOR AND EMERGENCY DRIVE METHOD
European Patent Office | 2018
|