asteroza + aviation + delicious   141

First Breakthrough for Future Air-Breathing Magneto-Plasma Propulsion Systems - ...
pulse plasma engine working at 1 atmosphere, sorta PDE, looks interesting but needs high power (remote beaming?), so looking like something for airships for now.
dense  plasma  focus  ignition  discharge  pulse  detonation  engine  propulsion  air  breathing  aviation  aerospace  research  technology  PDE  Delicious 
may 2017 by asteroza
propeller - What is this odd aircraft? - Aviation Stack Exchange
Uber is doing air taxi's with Aurora, and their publicly disclosed electric mini-proto looks a lot like this, minus the quadplane arms
Uber  air  taxi  general  aviation  prototype  VTOL  electric  quadplane  Delicious 
april 2017 by asteroza
The original Puffin electric VTOL tailsitter personal general aviation vehicle paper from NASA.
NASA  PUFFIN  electric  VTOL  tailsitter  personal  helicopter  vehicle  transportation  research  technology  aircraft  aviation  general  Delicious 
february 2017 by asteroza
StratoSail Balloon Guidance System - Global Aerospace Corporation
Using a glider/kite anchor to exploit differences in wind direction/strength at high altitude to provide directional control for balloons
stratospheric  balloon  directional  control  anchor  kite  glider  aerospace  aviation  research  technology  Delicious 
december 2016 by asteroza
So PubMed will now also host PubSpace for NASA research reports. Why this rather than NTRS?
NASA  research  report  repository  PubSpace  PubMed  NIH  NSF  space  aerospace  aviation  aerodynamics  Delicious 
august 2016 by asteroza
Lilium Aviation
Shades of LightningStrike, neat trick of telescoping the forward canard fan array for VTOL
distributed  electric  fan  propulsion  VTOL  general  aviation  airplane  aircraft  research  technology  Delicious 
may 2016 by asteroza
Interesting compact aviation diesel engines. Poentially usable for UAV's. Would be interested in seeing this as a UAV genset for series hybrid electric UAV designs.
aviation  diesel  engine  ICE  research  technology  compact  small  form  factor  UAV  drone  Delicious 
april 2016 by asteroza
Airbus Group and Siemens Sign Long-Term Cooperation Agreement in the Field of Hybrid Electric Propulsion Systems - Siemens Global Website
Siemens has been doing aircraft propulsion electric motors recently, guess they felt it was better to cooperate with the Airbus E-Fan group rather than compete. Wonder how the turboelectric work will shake out though?
airbus  Siemens  hybrid  electric  aviation  propulsion  research  technology  motor  aircraft  europe  EU  turboelectric  Delicious 
april 2016 by asteroza
DARPA Announces VTOL X-Plane Phase 2 Design
LightningStrike, a spiritual follow-on to Excalibur, though the embedded fan wing needs to be compared to LEAPtech/SCEPTOR/S2 in terms of efficiency as the fanwing might be a little overbuilt.
DARPA  hybrid  gas  turbine  electric  motor  turboelectric  distributed  propulsion  embedded  fan  wing  tiltwing  VTOL  aircraft  research  technology  aviation  airplane  UAV  Delicious 
march 2016 by asteroza
Uh, using the chamber itself as your power pack for the compressor (thus coaxial shaft), isn't really all that different from a conventional turbine or a RamGen turboexpander in principle.
ATR  air  turbo  rocket  turborocket  aviation  aerospace  space  propulsion  research  technology  Delicious 
february 2016 by asteroza
Interesting single engine canard prop pusher that's trying to look business jet-like.
general  aviation  aircraft  airplane  pusher  canard  private  vehicle  transportation  Delicious 
november 2015 by asteroza
Russia May Introduce Glonass-Based Navigation System for Light Aircraft / Sputnik International
Hrm, those multi-constellation type GPS chips used in phones have GLONASS, so simply extending that supply chain to GA ADS-B transponders then?
GNSS  GLONASS  ADS-B  general  aviation  light  aircraft  transponder  hardware  electronics  devices  Delicious 
august 2015 by asteroza
AXTER System | axter aerospace – Innovación aeronáutica en electrónica de control, potencia y seguridad
Err, seems the idea is to slip an electric motor onto the output shaft of a light aircraft engine to provide electric boost, and a marginal emergency propulsion capability. Sorta parallel hybrid EV...
electric  motor  assist  auxillary  propulsion  boost  backup  general  aviation  aerospace  research  technology  hardware  electronics  devices  emergency  parallel  hybrid  Delicious 
june 2015 by asteroza
Solar News: Electric Turbo Arcjet
Assuming you had a tremendous amount of power, a turboarcjet does make some sense for high speed travel in the lower atmosphere. Subsonic would prefer electrically driven propellers though.
turboarcjet  electric  arcjet  heating  gas  turbine  propulsion  research  technology  aerospace  aviation  engine  Delicious 
may 2015 by asteroza
Helicopter Could be 'Scout' for Mars Rovers
I would have expected larger rotors, more like one of those human powered helicopters. With the low pressure, you need hugely long rotors.
NASA  JPL  mars  coaxial  rotor  helicopter  space  research  technology  flight  aerospace  aviation  Delicious 
january 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
Lotus | Joby Aviation
Interesting solution to the "Dos Samara" design's problem of single bladed VTOL rotors.
NASA  VTOL  UAV  drone  design  research  technology  Dos  Samara  split  scissor  rotor  folding  feathering  blade  wintip  propulsion  electric  hybrid  aviation  aerospace  Delicious 
january 2015 by asteroza
GE Test Fires Mini 3D Printed Engine - 3D Printing Industry
Interesting, looks like a straight through engine, probably centrifugal compressor? Wonder how it compares to a Capstone microturbine in architecture...
GE  small  form  factor  compact  microturbine  turbine  engine  3D  printing  fabbing  RC  propulsion  DMLS  aviation  aerospace  research  technology  powerplant  Delicious 
november 2014 by asteroza
Sunstar | Projects | Solar powered airplane - Solar Flight
Interesting trimotor configuration, but the dead mass of the feathered prop motors seems bad. Perhaps some sort of tractor-trailer setup like a Cessna Skymaster, but have a clutch/transmission allowing the motor to switch between propellers?
HALE  drone  UAV  solar  power  trimotor  aviation  aerospace  research  Delicious 
november 2014 by asteroza
Optics InfoBase: Applied Optics - Supersonic laser propulsion
Using laser ablation plasma plumes to make a laser ablation rocket (scramjet?) where the flow sticks to the nozzle walls better.
supersonic  laser  ablation  propulsion  research  aerospace  space  aviation  technology  Delicious 
october 2014 by asteroza
New MHD Converters: induction machines
air MHD accelerator research, possible root research behind Lockheed's fusion reactor configuration.
air  MHD  accelerator  plasma  fusion  research  technology  aerospace  aviation  space  rocket  propulsion  Delicious 
october 2014 by asteroza
The Platform for Unmanned Cargo Aircraft (PUCA) - Platform Unmanned Cargo Aircraft
PUCA working on 300mph low speed unmanned cargo aircraft (UCA) for package delivery work, to airports mostly.
EU  europe  research  UAV  cargo  drone  aviation  aerospace  aircraft  airplane  Delicious 
august 2014 by asteroza
Remote Tower - Revolutionizing Air Traffic Services
Interesting, assuming that the situational awareness upgrade costs can be reduced by centralization at virtual tower centers. Certainly makes manning (virtual) towers easier.
Saab  remote  tower  center  air  traffic  control  virtual  ATS  aviation  management  Delicious 
june 2014 by asteroza
Sunlight Photonics
Their US patent 8224189 is interesting, basically a laser retroreflector with a flickering blocker/moderator, much like an externally lit LCD screen. Modulating the blocker means a ground based laser can receive data from the UAV via modulated reflection from the corner retroreflector skin, which is probably much lower power than a RF transmitter or onboard comms laser. WOnder what the data rate is though.
SUNLINK-5  solar  electric  UAV  surveillance  communication  relay  LALE  MALE  HALE  aviation  aircraft  vehicle  hardware  electronics  devices  Delicious 
june 2014 by asteroza
VTOL Dynamics
Appears to be working on a tilting rotor quadcopter (technical an octocopter since it uses a rotor above and below the motor), allegedly a hybrid base, with power supplied by some sort of engine/generator unit feeding to the four motors.
hybrid  electric  drive  tiltrotor  octocopter  quadcopter  helicopter  drone  UAV  aviation  research  technology  aircraft  VTOL  Delicious 
february 2014 by asteroza
FlexSys Inc.
Interesting one piece flexible airfoil for dynamic adaptive control surfaces/flaps. Could be good for helicopter silencing...
variable  geometry  single  piece  compliant  deformable  morphing  structure  wing  airfoil  flap  control  surface  aviation  aerospace  research  technology  aerodynamics  hardware  electronics  devices  adaptive  dynamic  blade  mechanical  amplifier  displacement  actuator  camber  curve  active  flutter  flow  vortex  generator  lift  Delicious 
january 2014 by asteroza
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