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Threads
Can ionic thrusters be used as a secondary propulsion system for rockets?
- x1892
- · Replies 5 ·
Escape velocity is a constraint due to limited fuel?
- DaveC426913
- · Replies 13 ·
Cracks Found in Boeing 737s
- Astronuc
- · Replies 31 ·
Why not use hydroxides as the ion source in ion thrusters
- mconnelldouglas
- · Replies 1 ·
United Airlines Flight Clips Light Pole (May 2026) While Landing at Newark (EWR) Airport
- Astronuc
- · Replies 1 ·
Artemis 2 launch - humans return to the Moon after 54 years
- mfb
- · Replies 92 ·
Nozzle Design Questions
- Fredd3039
- · Replies 10 ·
Positive wing wash-in dynamic soaring one side
- ds3227
- · Replies 11 ·
Voyager 1: order-of-magnitude cross-track drift and speed loss over the next 100–1000 years
- mumbletypeg
- · Replies 2 ·
Effective Regulation Needed for Safety - Case of TWA Flight 514
- Astronuc
- · Replies 1 ·
Can a flow created by a fan show an Edge effect when hitting a wall?
- T C
- · Replies 80 ·
Malaysia Airlines Flight 370 crash
- Greg Bernhardt
- · Replies 345 ·
PW GTF (Geared TurboFan) Engines Manufacturing Issues Affecting A320/A321 NEO Aircraft
- Astronuc
- · Replies 0 ·
Will Copenhagen suborbitals succeed in putting someone in space?
- mr3000
- · Replies 1 ·
Does the 50% lifetime rule for turbomachinery apply to rocket turbopumps?
- RobertGC
- · Replies 8 ·
Countermeasures for hypersonic weapons
- neanderthalphysics
- · Replies 214 ·
Is the ephemeris data of satellites standardized as TLE files?
- senmeis
- · Replies 3 ·
Problem with Bernoulli calculation
- gen x
- · Replies 4 ·
NTSB report on crash of UPS Flight 2976 (MD-11F)
- Astronuc
- · Replies 4 ·
NASA Currently trying to build a rocket to launch into space
- Dr 118
- · Replies 13 ·
Introductory material on wind tunnel qualitative techniques
- imavirgo
- · Replies 3 ·
Severe Turbulence for Delta Flight 56 (NTSB report)
- Hornbein
- · Replies 4 ·
NASA ISS in Real Time website marks 25 years of continuous manned presence
- Filip Larsen
- · Replies 1 ·
Aero/Hydro-dynamic Streamlining as a function of medium
- DaveC426913
- · Replies 9 ·
SpaceX SpaceX Starship and Super Heavy: 120-meter stack tested
- mfb
- · Replies 271 ·
Radiation Hard Electronic Design for LVO Long Mission
- Arend
- · Replies 3 ·
Never think never for an improbable event
- Astronuc
- · Replies 6 ·
Atmospheric reentry of a paper plane
- Frabjous
- · Replies 6 ·
How do wind turbines do their thing?
- DaveC426913
- · Replies 9 ·
Generating Artificial Gravity in Spaceships
- willieoz75
- · Replies 8 ·
How do altimeters react in high acceleration flow?
- user079622
- · Replies 3 ·
Why is an Attitude Indicator not Built Like a Ball Compass?
- greypilgrim
- · Replies 3 ·
Why Do My Cl/Cd Derivations Differ from Phillips' Equations?
- TonyEsposito
- · Replies 2 ·
Submarine noise level reduction, stealth question
- FusionJim
- · Replies 9 ·
Simulation of reaction wheels in a spacecraft
- tttttt
- · Replies 22 ·
Mass of the rocket engine's nozzle and combustion chamber as a percentage of the total engine
- Timothy S.
- · Replies 8 ·
NASA How low is Space Shuttle thermal protection's heat conductivity?
- Timothy S.
- · Replies 7 ·
Blade root attachment design
- Nutria360
- · Replies 7 ·
Rolls-Royce Trent-1000 Engine Issues - British Air cancels flights
- Astronuc
- · Replies 3 ·
Does This Fidget Spinner Video Demonstrate the Magnus Effect?
- mesa
- · Replies 2 ·
[Updated] How Did an F-35 Fighter Jet Go Missing While on Autopilot?
- .Scott
- · Replies 87 ·
Why satellite needed to launched in prescribed height and orbit
- dijinj
- · Replies 2 ·
Lidar and magnetism detection system
- baronvonstiglminer
- · Replies 7 ·
Boom Supersonic
- Flyboy
- · Replies 3 ·
Chinese Hypersonic Aircraft - Mach 6.56!?
- Astronuc
- · Replies 14 ·
When does nuclear thermal propulsion outperform chemical propulsion?
- mark_bose
- · Replies 10 ·
What are 1st stage and 2nd Stage engines of an airplane?
- Jooyandeh
- · Replies 2 ·
Looking for books on aircraft engine maintenance
- Timothy S.
- · Replies 12 ·
Heat transfer in wing by anti-ice system using hot air in piccolo tube
- ApostoF
- · Replies 6 ·
How high can an airship rise?
- askingask
- · Replies 70 ·
Best rocket-stopping method
- Rocket Maker
- · Replies 45 ·
Ideas for high school wind tunnel?
- mishima
- · Replies 14 ·
Boeing Starliner development and docking: culture and engineering
- Tom.G
- · Replies 8 ·
Could a nuclear powered rocket be safely launched from Earth?
- Nabir14
- · Replies 21 ·
Meaning of EPR in Radar detection
- Jooyandeh
- · Replies 2 ·
What books should I be reading if I want to recreate the Daedalus 88? (human powered flight)
- mad_theologian
- · Replies 19 ·
Engine fire on Cathay Pacific CX383, Airbus A350, Rolls-Royce XWB-97
- Astronuc
- · Replies 5 ·
Would a propeller plane be able to fly in Saturn's atmosphere?
- GypsyOfTheSatOfLove
- · Replies 20 ·
Looking for AEDsys software (aircraft engine design)
- bertbout
- · Replies 4 ·
Explosive Bolts for Aircraft Engines?
- Martin-123
- · Replies 17 ·
Model Rocket Stabilization
- Rocket Maker
- · Replies 18 ·
Boeing Keep your seatbelt low and tight in flight, especially when seated next to a plugged door
- berkeman
- · Replies 229 ·
How does surface irregularity affect boundary layers?
- underflow21
- · Replies 13 ·
NACA - The Wind and Beyond - History of Aerodynamics in America
- Astronuc
- · Replies 6 ·
Direction of Plane Engine Rotation
- Martin-123
- · Replies 10 ·
Thermal effects in aircraft engines - sudden/rapid cooling
- Astronuc
- · Replies 9 ·
Rocket nozzle thermal protection
- Jiec
- · Replies 14 ·
Calculating drag for high mach numbers
- LT72884
- · Replies 4 ·
Advantages of contra-rotating versus fixed rotation for space stations
- Miles Behind
- · Replies 61 ·
Aerodynamics: flow separation's effect on lift and drag
- Vasco Mena de Olivei
- · Replies 4 ·
What Speed is Needed to Launch a 1500 kg Cargo Container to 160 km Altitude?
- Zybex
- · Replies 36 ·
How to use formulas for a delta wing?
- kevcrl
- · Replies 3 ·
Brayton cycle in helium atmosphere with existing gas turbines?
- alexisgros
- · Replies 8 ·
Feasibility of nuclear detonation for deep planetary science on Mars
- ElfredaCyania
- · Replies 38 ·
Wing Sails on modern ships
- Astronuc
- · Replies 38 ·
Hypersonic Aircraft, DART AE 001
- Astronuc
- · Replies 3 ·
Finding absolute flow angle in centrifugal compressor outlet
- MysticDream
- · Replies 9 ·
SpaceX Bad News for SpaceX Starship -- Raptor Engine Exploded
- Tom.G
- · Replies 2 ·
Shape and 2D Lift Relationship
- thatjazzdude89
- · Replies 3 ·
I don't understand how to calculate the drag coefficient
- vinceguar24
- · Replies 7 ·
About lift equation -- Trying to build a miniature helicopter
- daraphy
- · Replies 13 ·
Drag Coefficient -- What is the constant K?
- eliasss
- · Replies 3 ·
46 year old Voyager 1 once again sending real data
- phinds
- · Replies 52 ·
How to find Malaysia flight MH370?
- Field physics
- · Replies 24 ·
WSPR and GDTAAA software used to track MH370
- .Scott
- · Replies 6 ·
Throttle stuck at 90% power during solo flight - forward slip landing
- russ_watters
- · Replies 13 ·
Groundbreaking ‘blended-wing’ demonstrator plane cleared to fly
- Astronuc
- · Replies 12 ·
Does a Rotating Wind Tunnel Impact Airflow on a Turning Vehicle?
- user079622
- · Replies 19 ·
Can a parasail support its tow vehicle like a parachute sailer?
- DaveC426913
- · Replies 16 ·
Methalox Rockets: First Attempts, Future Plans
- .Scott
- · Replies 31 ·
Available Wind Energy Calculation
- keith0101
- · Replies 4 ·
Artistically Ornated Atmosphere
- .Scott
- · Replies 2 ·
Formation of a Starting Vortex for Symmetric Aerofoils (NACA 0015)
- JackFyre
- · Replies 3 ·
Boeing How to Calculate Vector Forces from Wing Tilt on 757/767 Aircraft?
- Bobthefreeradical
- · Replies 15 ·
NASA What's the Next Step for NASA's Ingenuity Helicopter After Mission Ends on Mars?
- berkeman
- · Replies 3 ·
How Does Britain's New £140m 'DragonFire' Laser Transform Air Defense?
- Tom.G
- · Replies 15 ·
Induced drag relation with speed
- Owells
- · Replies 5 ·
Does a wing fly in its own downwash?
- user079622
- · Replies 15 ·