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Threads
Fire suppression in a sealed system
- Robert House
- · Replies 5 ·
Aerodynamic Forces on 6' x 3' plate at 45 degrees - 70 MPH?
- kach22i
- · Replies 6 ·
Using centripetal force to control solid rocket engine thrust
- Jack Oswald
- · Replies 16 ·
Equation of the camber of a sail
- SeattleDrew
- · Replies 15 ·
Parts of the design of an aircraft that affect the pitching moment
- MattH150197
- · Replies 9 ·
NASA Is There Life on Europa? NASA's Study on the Upcoming Lander Mission
- mfb
- · Replies 6 ·
PSI needed for cropdusting spray droplets to match 145 MPH airspeed
- Stetson
- · Replies 21 ·
Could a Stealth ICBM be a Covert Terrorist Threat?
- nitronewt
- · Replies 22 ·
Can a Railgun-Powered Ramjet Solve the Challenges of High-Speed Travel?
- BoeingJet
- · Replies 4 ·
NASA Test Your NASA Knowledge - Comments
- Greg Bernhardt
- · Replies 26 ·
Is a 2D Fluid Flow Simulator Useful for Learning Basic Fluid Dynamics?
- sa1988
- · Replies 2 ·
Do all airfoils (infinite wing) have a flow separation?
- MaxKang
- · Replies 6 ·
SpaceX About the SpaceX Interplanetary Transport System
- ramzerimar
- · Replies 12 ·
Drone project ideas for Google Science Fair 2017
- Aero_Arnendu
- · Replies 9 ·
Hobby rocket engine experiments
- Raddy13
- · Replies 5 ·
New rocket engine may enable trips to Mars
- wolram
- · Replies 15 ·
How Fast Does Air Escape from a Pressurized Suit into Space?
- Carlos PdL SdT
- · Replies 4 ·
RIP Gene Cernan, last astronaut on the moon
- Astronuc
- · Replies 3 ·
Solar Energy Conversion at Night
- John d Marano
- · Replies 24 ·
Helicopters and operational height limits
- fresh_42
- · Replies 1 ·
SpaceX SpaceX Falcon 9 explosion September 1 2016 analysis
- liometopum
- · Replies 182 ·
Catia, measuring just the horizontal distance in side view
- marellasunny
- · Replies 2 ·
Mechanical parts of a jet engine
- Maximilian Popelier
- · Replies 10 ·
Determining the sign of control derivatives
- eqm
- · Replies 1 ·
Aircraft Propeller Blast velocity while in motion
- Right Brother
- · Replies 11 ·
Impulse and step response related to the angular position of a spacecraft
- Imagin_e
- · Replies 6 ·
Magnus effect in flettner rotor
- Mr lee
- · Replies 5 ·
Designing an Electric Aircraft: Testing Motor+Airfoil Configurations
- MaxKang
- · Replies 2 ·
What's it like to fly a satellite?
- aerohead_18
- · Replies 1 ·
SpaceX SpaceX Falcon 9 explosion at Kennedy Space Center
- tionis
- · Replies 12 ·
Best Way to measure Relativistic Rocket Acceleration?
- tade
- · Replies 14 ·
If an astronaut were to die in space, what would they do wit
- Jupiter60
- · Replies 12 ·
Perturbation Methods + Airfoils
- sparetime2014
- · Replies 1 ·
Can a supersonic biplane solve the problems that grounded the Concorde?
- wolram
- · Replies 12 ·
Pendulum fallacy - hovering rockets, still applies?
- michaeldk
- · Replies 7 ·
Artificial gravity concept -- Rotating structure in space
- artriant
- · Replies 20 ·
How is shear stress related to shear rate in aerodynamic applications?
- MaxKang
- · Replies 2 ·
How are Flight Data Recorders built?
- UNCCME
- · Replies 4 ·
Have we been able to land a rocket upright?
- hsdrop
- · Replies 11 ·
Do astronauts watch satellite TV in space?
- Jupiter60
- · Replies 2 ·
Can Multi-Wing Aircraft Designs Improve Lift and Efficiency?
- petterg
- · Replies 9 ·
SpaceX Why does SpaceX land rockets on their engines instead of parachutes?
- Boing3000
- · Replies 13 ·
SpaceX SpaceX: Interplanetary Transport System
- mfb
- · Replies 3 ·
NASA Possible Water Plumes Detected on Jupiter's Moon Europa
- windy miller
- · Replies 18 ·
Books on structures of rockets and spacecraft?
- ramzerimar
- · Replies 2 ·
How do fluids behave in a space centrifugal structure (artificial gravity)
- artriant
- · Replies 2 ·
What is the origin and meaning of the word rocket?
- Matt-STIPA
- · Replies 11 ·
What are good resources for learning ANSYS APDL?
- suresh756
- · Replies 11 ·
NASA NASA discovers exoplanet outside its funding budget
- collinsmark
- · Replies 2 ·
Propulsion by Cosmic Particle Deflection: A New Idea?
- udtsith
- · Replies 5 ·
Factors affecting wind turbine cut in speed
- norris
- · Replies 1 ·
Can we hear a supersonic plane?
- andrewkirk
- · Replies 136 ·
SpaceX Falcon 9 Full Thrust booster lands at launch site for second time
- mfb
- · Replies 43 ·
What's the difference between MUOS and Iridium satellite com
- arabianights
- · Replies 3 ·
Mechanical Space Propulsion. Why isn't this possible?
- kerbtrek
- · Replies 4 ·
Importing Mechanical Apdl geometry in Ansys Workbench
- lord sauron
- · Replies 5 ·
Calculation of mass flow rate of 50MW
- JK Gowdham
- · Replies 6 ·
What Factors Affect Wind Turbine Efficiency Beyond Betz's Law?
- gloo
- · Replies 8 ·
Where to find post stall airfoil data for high angles of attack
- Antonio9393
- · Replies 1 ·
Why does commercial aviation use Skydrol instead of MIL-H-83282?
- AeroGeek
- · Replies 4 ·
How does Turbulence Intensity affect drag and flow separation?
- Ghalih
- · Replies 9 ·
Efficiency of one large propeller versus multiple smaller propellers
- Dusan Stan
- · Replies 15 ·
Challenges in Implementing McCormic's Vortex Theory of Propellers
- Antonio9393
- · Replies 2 ·
Home-Made Liquid-Fuel Rocket Engine
- MattRob
- · Replies 4 ·
Pressure drop in rod bundles without spacer grid
- sehrish shakir
- · Replies 1 ·
The new British pilot less aircraft
- wolram
- · Replies 3 ·
Why are equilateral triangles favored in the design of ionocrafts?
- BiGyElLoWhAt
- · Replies 2 ·
How exactly does a gas turbine engine produce thrust?
- ank_gl
- · Replies 62 ·
What is the optimum wing angle and corresponding travelled?
- sama3505
- · Replies 6 ·
SpaceX Flawless Falcon Flight (SpaceX)
- 1oldman2
- · Replies 19 ·
Compressed oxygen for jet engine (?)
- willis hallis
- · Replies 26 ·
NASA Kepler mission discovers over 1000 additional exoplanets
- mfb
- · Replies 25 ·
Three/four sprockets in horizontal line can be run by chain?
- shanky5
- · Replies 11 ·
How does the Hyperloop engine work?
- wolram
- · Replies 3 ·
How do we extract oil from 5km depth and detect it underground?
- ENE
- · Replies 3 ·
Thrust angle calculation for off-centerline airplane engine
- aerohead_18
- · Replies 4 ·
Reduced Efficiency at Sea Level
- MattRob
- · Replies 7 ·
Low Atmosphere Rocket Launch Stages Carry Their Own Oxygen -- Why?
- Hoophy
- · Replies 7 ·
How do airfoils generate lift if equal transit theory is wrong?
- Hoophy
- · Replies 4 ·
Injecting liquid oxygen into a jet engine without intake
- jmalitz
- · Replies 12 ·
Explanation of stiffness/compliance matrices
- chiraganand
- · Replies 2 ·
Does the induced drag increase with speed?
- MaxKang
- · Replies 3 ·
Project and Construction of Arduino controlled model rocket
- vinicius0197
- · Replies 9 ·
Adverse pressure gradient on a wing
- hob63
- · Replies 1 ·
NASA The Korowai people and NASA's robotic car
- Planobilly
- · Replies 1 ·
SpaceX SpaceX successfully lands on droneship 8-4-16
- CynicusRex
- · Replies 7 ·
Rocket engine vs jet engine efficiency
- Noham1
- · Replies 19 ·
Why do astronauts float in space?
- John Pang
- · Replies 5 ·
Does VASIMR eject its propellant gas or recycle it?
- AlkamlBan
- · Replies 6 ·
RIP Bob Ebeling - Engineer of Shuttle Booster Rockets
- Astronuc
- · Replies 1 ·
The advantage the constant-volume combustion type gas turbine engine
- qumf
- · Replies 42 ·
General-Electric GEnx turbofan engine picture label request
- Hassan Ismaeel
- · Replies 5 ·
Designing a Kite for a Truck Adventure
- WhatmoughG
- · Replies 21 ·
What is the most aerodynamic shape for minimizing air resistance?
- yrjosmiel73
- · Replies 27 ·
Derivation of Aerodynamic Forces
- VyRianS
- · Replies 1 ·
Kite trampoline / bungee launching a payload
- Roderick Read
- · Replies 16 ·
How can crevasses be detected in alpine solo tours?
- Anton Alice
- · Replies 4 ·
Can we use pressure to power an unmanned submersible for deep ocean exploration?
- The_Mark_of_Ivy
- · Replies 3 ·
Why not use a line shaft for ground-based generators in large wind turbines
- myperfectworld
- · Replies 11 ·