asteroza + lift   32

Olds Elevator - Vertical Conveyor Technology: new Solutions in Material Handling
So this is the inverse of an achimedes screw, where the auger/screw is stationary, and the casing is turned, which makes some things easier mechanically
inverse  achimedes  screw  lift  elevator  auger 
june 2019 by asteroza
[1803.03111] Steam balloon concept for lifting rockets to launch altitude
So ground filled steam balloon might not suck at larger sizes, for rockoons?
steam  lift  gas  high  altitude  balloon  rocket  launch  rockoon  space  research  technology 
november 2018 by asteroza
Passerine Aircraft Corporation
Interesting design, using perching leg jumps and a blown wing upper surface jet for enhanced lift in a STOVL arrangement. Sorta bird like.
STOVL  VTOL  perching  jumping  UAV  drone  airplane  hardware  electronics  devices  blown  wing  lift 
march 2018 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
Hybrid Quadrotor
Interesting hybrid mixed propulsion VTOL quadcopter drone. Essentially a conventional flying drone with separate secondary lift engines, but while forward flight is done with a gasoline powered primary engine with high endurance, the secondary lift engines are effectively a stop rotor electric quadcopter which needs a short but very high power burst for vertical ops. So this basically adapts the different powerplants to match their advantages.
hardware  drone  UAV  engine  gasoline  electric  secondary  quadrotor  propulsion  quadcopter  stopped  aircraft  lift  mixed  VTOL  hybrid  devices  electronics  Delicious 
august 2013 by asteroza
Up Mouse -- Indiegogo
For some people with RSI who can still painlessly use finger lifting motions, a new ergonomic mouse for you. No scroll wheel though (why not some kind of scroll slider, constant force button, or a trackpoint like switch under the thumb?)
ergonomic  finger  lift  button  USB  HID  mouse  hardware  electronics  devices  Delicious 
august 2012 by asteroza
Propulsion Systems for small and light aircrafts | Micro-Turbofan™, Micro-Turboalternator™, Distributed Lift
The image is not helping in visualizing a power turbine occurring IN FRONT OF a combustor, especially how one transfers compressed air from the compressor to the combustor through the turbine wheel. Seems they are doing a trick where they use a centrifugal compressor, and rather than having a fixed stator correcting the swirl, they allow power recovery of the swirl directly to power the bypass fan ring (pre-combustion power turbine), then move the air towards the combustor (secondary compressor here too?), then on to the post combustion power turbine which is shaft linked to the first stage compressor. So they are probably trying to get too much pressure from the stage compressor, and trying to avoid a HP/LP post combustion power turbine setup. Attractive for some uses.
microturbofan  microturbine  engine  gas  turbine  microturboalternator  power  generator  distributed  propulsion  lift  fan  liftfan  hot  cycle  Delicious 
may 2012 by asteroza
Energy Cache - Economic, durable utility-scale storage
Basically a gravel hauling reversible ski lift/catenary bucket system that uses high mass gravel and height to store energy.
ski  lift  gravel  potential  energy  storage  system  green  power  generator  catenary  overhead  bucket  Delicious 
march 2012 by asteroza
product_sheet_-_leviathan_heavy_lift_launch_vehicle_rc.pdf (application/pdf Object)
The DIRECT guys are proposing Leviathan, an update to the old Truax Sea Dragon design using annular aerospike rocket engines. Which is exactly the idea I was kicking around with college friends back before 2000. Sea Dragon basically revolved around the logical end to the big dumb booster argument, making a rocket so large that certain materials handling issues become easier. Namely, using submarine pressure hull manufacturing techniques on half inch thick steel plates formed into a cylindrical tank body. You build this in a shipyard, not a clean room hangar. Due to size, sea transport and launh is must, but that ends up making a lot of other things easier. Leviathan neatly sidesteps one of the issues with Sea Dragon; the second stage expandable nozzle skirt. Aerospikes get almost equivalent performance for less complexity and risk. Reusuability is easier at this size, and sets the ground for SSTO.
DIRECT  Leviathan  HLV  heavy  lift  vehicle  rocket  TSTO  space  propulsion  spacecraft  aerospike  reusable  big  dumb  booster  BDB  ocean  launch  launcher  filetype:pdf  media:document  Delicious 
june 2011 by asteroza
クラスターファンVTOL技術の研究:航空プログラムグループ
Interesting research by the japanese to use a gas generator/ultra high bypass ratio turbine to drive clusters of multi stage recycling tip turbine driven lift fans for VTOL lift.
JAXA  japan  aerospace  aircraft  airplane  research  VTOL  cluster  fan  lift  jet  bypass  air  tip  rotor  multi  stage  multistage  turbine  Delicious 
august 2010 by asteroza
US Navy develops toss-proof robot crane • The Register
This has interesting applications outside the ship cargo lift arena, such as automating load control in convential land cranes in windy environments. Maybe applicable to helicopter slung loads too?
Navy  robot  robotic  cargo  handling  crane  LVI  Lo/Lo  large  vessel  interface  lift  ship  marine  ocean  transportation  automatic  load  object  stability  control  motion  compensation  tracking  ISO  container  Delicious 
june 2010 by asteroza

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