Results 81 to 90 of about 191,773 (209)
Flight tests of IFR landing approach systems for helicopters [PDF]
Joint NASA/FAA helicopter flight tests were conducted to investigate airborne radar approaches (ARA) and microwave landing system (MLS) approaches. Flight-test results were utilized to prove NASA with a data base to be used as a performance measure for ...
Anderson, D. J. +6 more
core +1 more source
UltraSwarm: A Further Step Towards a Flock of Miniature Helicopters [PDF]
, 2006 We describe further progress towards the development of a MAV (micro aerial vehicle) designed as an enabling tool to investigate aerial flocking. Our research focuses on the use of low cost off the shelf vehicles and sensors to enable fast prototyping ...
De nardi, Renzo, Holland, Owen
core
Aerospatiale is ready to develop a convertiplane with tethering rotors [PDF]
Information on the recent study of the convertiplane is reported. The convertiplane was designed to replace the conventional helicopter. Its speed is much faster than that of the helicopter, it uses less fuel, and can carry up to five passengers.
Morisset, J.
core +1 more source
Advanced ScienceIn this work, the regulation of liquid self‐transport is achieved through architectural and thermal coupling, transitioning from free surfaces to open channels.
Qingwen Dai +3 more
doaj +1 more source
Analysis of the influence of transition state control strategy on structural load of quad-tiltrotor
Hangkong gongcheng jinzhanThere are complex structural load changes in the rotor during the tilt-transition of quad-tiltrotor aircraft,which can directly affect the life of the rotor.
HE Yongtao +3 more
doaj +1 more source
The role of the helicopter in transportation [PDF]
A general overview is presented of the role that the helicopter plays in the current aviation scene with special emphasis on its use in the airport access function.
Dajani, J. S. +3 more
core +1 more source
An overview of advancements in helicopter transmission design [PDF]
, 1983 Development of a high temperature operating helicopter gearbox is ...
Mancini, J. H.
core +1 more source
Full-scale crash test of a CH-47C helicopter [PDF]
A full-scale crash test of a large troop/cargo carrying CH-47C helicopter was conducted at the Langley impact dynamics research facility. The crash test of this large helicopter was performed as part of a joint U.S.
Castle, C. B.
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Kongqi donglixue xuebaoAerial-aquatic rotorcraft have garnered extensive attention due to their ability to operate in the air and underwater. However, their widespread application still faces challenges, the most prominent being the stable transition across water surfaces ...
Qi ZHAN, Yousong XU, Xiao WANG
doaj +1 more source