asteroza + propeller   22

MIR | MIR is launching a new UAV design to automate rope access work
Interesting, using 2 xis gymbal for each rotor stack so have full 6 DoF all the time (aside from gymbal-lock scenarios). Should allow high agility, and potentially allowing the body to go vertical.
UAV  drone  quadcopter  multicopter  hardware  electronics  devices  coaxial  rotor  propeller  gymbal  6DoF 
april 2018 by asteroza
DELFTACOPTER – Delta-wing Electric Longrange Transitioning Autonomous Helicopter
Interesting collective pitch control single rotor tailsitter drone. Ah, but it has "tailrotor" like tip props, so technically a tricopter?
VTOL  biplane  flying  wing  collective  pitch  control  propeller  rotor  UAV  drone  tailsitter  hardware  electronics  devices  research  Delicious 
september 2016 by asteroza
Quantum TRON - Transition Drones
Odd tiltrotor, appears to trailing feather the rear propellers in forward flight, but the rotors look like they are designed to feather over the motor housings (implied by the glider mode), but that would mean the rear props need to feather forwards...
tiltrotor  quadcopter  UAV  drone  hardware  electronics  devices  feathering  prop  propeller  Delicious 
september 2016 by asteroza
Your Personal Flying Robot
Not clear if this is a ducted coax prop or a single with antitorque fins
UAV  drone  ducted  propeller  VTOL  tailsitter  hardware  electronics  devices  Delicious 
october 2015 by asteroza
Meet Adeline, Airbus’ Answer To SpaceX Reusability - SpaceNews.com
Er, so like Vulcan, but as a flying turboprop pod. Nice try, SpaceX Falcon 9 will still beat this.
adeline  aribus  ariane  semireusable  propulsion  pod  turboprop  propeller  flyback  space  research  technology  Delicious 
june 2015 by asteroza
Joby S2 | Joby Aviation
Seems like a tiltrotor version of NASA's GL-10 electric distributed propulsion UAV prototype. The feathering prop trick is interesting, as it effectively creates a dual mode propulsion system, but the nature of beast means you have small disc rotor area with high disc loading in VTOL.
distributed  propulsion  VTOL  electric  feathering  propeller  prop  tiltrotor  aviation  aerospace  research  dual  mode  Delicious 
january 2015 by asteroza
Engineers use aerospace approach to design wave energy system
USAF Academy researchers looking at a active feedback control cycloidal blade propeller wave energy capture system, and the underlying hydrodynamics of a morphing hydrofoil.
floating  cycloidal  propeller  active  hydrofoil  morphing  wave  capture  converter  turbine  power  generator  green  energy  marine  ocean  offshore  aerodynamics  hydrodynamics  research  feedback  control  Delicious 
november 2009 by asteroza

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