Aerospace Engineering Forum

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Join expert discussion on aerospace and astronautics. Technology and industry concerned with aviation, space flight and space exploration. Plane, Shuttle and Rocket design, news and concepts. SpaceX, Blue Origin and NASA space agencies.
How a helicopter can stand still in the air?
  • Abu Bakar Zahid
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Can Vacuum-Filled Blimps Revolutionize Air Travel?
  • GTOM
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Why Do Airplane Wings Have a Natural Forward Pitching Moment?
  • fog37
  • · Replies 34 ·
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Astronaut shoots a bullet into the sun - gravity assists?
  • rcgldr
  • · Replies 10 ·
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Could a spacecraft refuel from the atmosphere?
  • Al_
  • · Replies 11 ·
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What is the best Cubesat or Tubesat project available now?
  • Prof Sabi
  • · Replies 3 ·
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Airplane lift, take off and loading capacity
  • fog37
  • · Replies 8 ·
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8
How accurate is my wind tunnel for testing RC plane wings?
  • trailogy
  • · Replies 10 ·
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10
Optimizing Efficiency: Wind Turbine Blade and Hub Design Tips?
  • Avvai Chandrasekaran
  • · Replies 17 ·
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How does one make a resistojet rocket?
  • yrjosmiel
  • · Replies 27 ·
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SpaceX SpaceX's rival has 'genius' plan to cut rocket cost
  • Spinnor
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NASA [NASA] Cosmological projects instead of space exploration
  • BlackholeGirl
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Designing a Spacecraft any tips?
  • HellRanger2558
  • · Replies 19 ·
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Aerodynamics: Recirculation Zone Wake and Speed
  • aero5682
  • · Replies 8 ·
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8
How does the CH-47 Chinook balance itself?
  • roineust
  • · Replies 15 ·
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How can I calculate the required thrust for my model rocket design?
  • uzt
  • · Replies 5 ·
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5
No drag thin airfoil theory / Pressure drag
  • PHstud
  • · Replies 9 ·
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9
ANSYS - Radiation of a satellite - Surface-to-surface or to-ambient
  • Ricardo Gomes
  • · Replies 1 ·
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Effective Reynolds Number for a swept wing
  • Murmur79
  • · Replies 3 ·
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3
Non-coherent spread spectrum for distance measurement
  • senmeis
  • · Replies 7 ·
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7
Can Smaller Rockets with Less Fuel Mass Lower the Cost of Space Travel?
  • chandrahas
  • · Replies 12 ·
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At supersonic speed, why does Mach number decrease?
  • TimeRip496
  • · Replies 2 ·
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NASA RIP Bruce McCandless, NASA, Astronaut
  • Astronuc
  • · Replies 1 ·
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NASA NASA finalists for New Frontiers: Rosetta's comet or Titan
  • mfb
  • · Replies 1 ·
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Help Calculating Forces on engaged sprocket teeth
  • darthapple35
  • · Replies 1 ·
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Regression rate of fuel in rocket nozzle
  • TimeRip496
  • · Replies 3 ·
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3
Can a Carbon Dioxide Vent on a Mars Rover Solve Dust Buildup on Solar Panels?
  • roineust
  • · Replies 12 ·
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What does FL represent in the drag coefficient equation?
  • sam_smk
  • · Replies 3 ·
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3
Understanding Expansion Fans and Reflected Waves in Propulsion Systems
  • TimeRip496
  • · Replies 1 ·
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Maximum pressure for a combustion chamber
  • Franz Rojas Ayala
  • · Replies 5 ·
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5
I on my rocket engine thrust equation
  • Monomethylhydrazine
  • · Replies 2 ·
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Calculating suction area around the intake of a jet engine
  • stevero390
  • · Replies 3 ·
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3
Turbo-Jet Engine for Medium RC Aircraft
  • Arnendu Barman
  • · Replies 2 ·
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Turbojet -- I with an explanation about how a turbojet works
  • Lugonja
  • · Replies 3 ·
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3
NASA NASA selects early science targets for JWST
  • mfb
  • · Replies 2 ·
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Anomalous accelerations in spacecraft flybys of the Earth
  • wolram
  • · Replies 6 ·
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How Do You Calculate Helicopter Rotor Lift Using the Lift Equation?
  • Jeffsg605
  • · Replies 13 ·
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Launch of the Sspace Shuttle and its effect on the Earth's motion
  • EMguy
  • · Replies 4 ·
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How does AAW work? (Active Aeroelastic Wings)
  • TimeRip496
  • · Replies 4 ·
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4
Boeing GoFly Prize: A Challenge to Make People Fly
  • RonL
  • · Replies 24 ·
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24
What disciplines do I need for building a Quadcopter?
  • JimBakker
  • · Replies 7 ·
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Question about missile defense systems and lasers
  • Evanish
  • · Replies 14 ·
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14
NASA New moon map from NASA .... VERY zoomable
  • davenn
  • · Replies 7 ·
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7
Chordwise location of lift for wing structural design
  • Seraphin2288
  • · Replies 6 ·
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Energy requirement for melting through five klicks of ice?
  • Noisy Rhysling
  • · Replies 14 ·
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Can space lasers power aircraft with unlimited range?
  • GurfX
  • · Replies 7 ·
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Coupling two mechanical pieces for a telescope mount
  • Deven Patel
  • · Replies 7 ·
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Why don't ion thrusters work within the atmosphere?
  • yrjosmiel
  • · Replies 3 ·
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Maximum delta-v of a rocket engine
  • yrjosmiel
  • · Replies 5 ·
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Finding the Coefficient of Drag for Partial Parachutes
  • David Bloom
  • · Replies 10 ·
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Multiple rotors on a wind turbine
  • unseeingdog
  • · Replies 26 ·
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Nozzle/Turbine at the Molecular Level
  • HungryX2Hippo
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1,000 mph four inches off the ground
  • Noisy Rhysling
  • · Replies 3 ·
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SpaceX In 2018 SpaceX will fly two tourists around the moon
  • Greg Bernhardt
  • · Replies 19 ·
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Variable Space Vacuum Tank - Pump question help
  • ccc1522
  • · Replies 1 ·
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Can a spaceship be powered solely by solar energy?
  • Mayed Al-Tunaiji
  • · Replies 5 ·
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IR Seeking Guidance for a Missle Project
  • Tracey3
  • · Replies 6 ·
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NASA What do we learn from eclipse that the NASA IRIS doesn't tell us?
  • FactChecker
  • · Replies 9 ·
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NASA NASA Eclipse Calculations Accuracy
  • Xilus
  • · Replies 11 ·
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Question about the turbine of a turbopump
  • Olaf Willocx
  • · Replies 1 ·
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How do i use this performance graph
  • MattH150197
  • · Replies 3 ·
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Relating propeller thrust, power, and rpm together
  • pacgcrosss
  • · Replies 8 ·
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Is it possible for electric flight packs to exist like jets?
  • Tabaristiio
  • · Replies 3 ·
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Is it possible to fly horizontally using augmented fly pack?
  • Tabaristiio
  • · Replies 9 ·
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What is the cause of normal stress on a fluid element?
  • benny_91
  • · Replies 14 ·
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Launching a rocket from high altitude
  • Sullyyy
  • · Replies 5 ·
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Rear mounted engines vs. front mounted for UAVs
  • octo3
  • · Replies 1 ·
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Weird aerospace question to probably be corrected
  • octo3
  • · Replies 10 ·
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Insights How Does an Airplane Wing Work: a Primer on Lift - Comments
  • boneh3ad
  • · Replies 52 ·
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How mass flow and pressure ratio is related in case of a Gas Turbine
  • Ady707
  • · Replies 5 ·
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Stratolaunch carrier plane, active vibration reduction?
  • Spinnor
  • · Replies 9 ·
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Could you create thrust with water vapor?
  • AmateurGuy
  • · Replies 20 ·
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Difference between normal viscous stress and pressure
  • MaxKang
  • · Replies 14 ·
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Magnetic assisted rocket engine
  • EL_bob
  • · Replies 8 ·
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8
NASA NASA's Mars Plan May Include a Yearlong Mission to the Moon
  • Zahid Hasan
  • · Replies 25 ·
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Could the Sea Dragon Rocket Have Revolutionized Space Travel?
  • Moretorque
  • · Replies 7 ·
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7
Torsional Vibration of Rotor-Shaft
  • chinmay
  • · Replies 3 ·
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Control Volume of single expansion ramp nozzle (SERN)
  • obad
  • · Replies 12 ·
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Determination of Static Presssure on an Airfoil
  • kepler456
  • · Replies 5 ·
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Can a Custom Radial Fan Lift a Human-Transporting VTOL Drone?
  • marcoravelli
  • · Replies 3 ·
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SpaceX SpaceX to conduct a manned flyby mission around the moon
  • Monsterboy
  • · Replies 2 ·
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Do Airliners Rely on Gravity or Motor Pumps for Fuel Flow?
  • Blue Scallop
  • · Replies 21 ·
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Maximizing a Water-Propelled Bottle Rocket Launch
  • Heat5444
  • · Replies 20 ·
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Free vibration of 100 DOF spring
  • kajalschopra
  • · Replies 12 ·
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NASA NASA Image Library: Explore New Collections Online
  • BillTre
  • · Replies 1 ·
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NASA NASA Flight Tracking Station: The Guaymas Story (1967)
  • Zheng Tien
  • · Replies 1 ·
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Aircraft model in a wind tunnel and the full size version
  • mech-eng
  • · Replies 8 ·
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8
Can Older Aircraft Achieve Supercruise with Upgraded Engines?
  • Delta Force
  • · Replies 7 ·
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Sprockets, chains, and gears question
  • Le Luc
  • · Replies 5 ·
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What do you know about the new space plane
  • wolram
  • · Replies 2 ·
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How is the moment of inertia of airplanes measured?
  • ramzerimar
  • · Replies 4 ·
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NASA NASA support for a "new" kind of propulsion
  • Buzz Bloom
  • · Replies 11 ·
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Using a propeller to excavate sand under a boat
  • Garry
  • · Replies 4 ·
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4
Quadcopter Drone Uses and Potential Applications | Mini-Drone Review
  • Blue Scallop
  • · Replies 1 ·
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Could a ballistic missile be used to deliver cargo?
  • BoeingJet
  • · Replies 31 ·
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[Question] Did I figure out the Space Shuttle's momentum?
  • TandN51316
  • · Replies 10 ·
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Fire suppression in a sealed system
  • Robert House
  • · Replies 5 ·
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Aerodynamic Forces on 6' x 3' plate at 45 degrees - 70 MPH?
  • kach22i
  • · Replies 6 ·
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Rocket Engine: Centripetal Force to Vector thrust
  • Jack Oswald
  • · Replies 16 ·
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Equation of the camber of a sail
  • SeattleDrew
  • · Replies 15 ·
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15