Results 131 to 140 of about 10,614 (216)

Tradeoff analysis of technology needs for public service helicopters [PDF]

open access: yes
The design requirements for a family or type of Public Service Helicopter (PSH) is examined which will satisfy the needs of municipal and state governments in the following mission areas: Emergency Medical Service--Airborne Rescue Squad; Law Enforcement;
Bauchspies, J. S.   +2 more
core   +1 more source

Dynamic Analysis of Coaxial Rotor Systems

open access: yesInternational Journal of Mechanical and Production Engineering Research and Development, 2020
openaire   +1 more source

Modelling, estimation and control of a coaxial rotor UAV

open access: yes, 2012
The miniature rotary wing UAVs are now tending to become the new tools of the soldier, with the versatility of missions they can be used. Their main advantage concerns their ability to combine the hovering and translational fast flight in narrow and congested environments.
openaire   +1 more source

Preparation and Properties of Electro-Blown Spinning Erythritol-Based Coaxial Phase Change Fibers. [PDF]

open access: yesPolymers (Basel)
Yang J   +11 more
europepmc   +1 more source

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