Repeter · @psvensson
203 followers · 1336 posts · Server techhub.social
@fraser Is this the same things as the dynamic soaring thing I saw a while ago? (Haven't had time to read through it yet <ducks> but it feels like it)
https://www.frontiersin.org/articles/10.3389/frspt.2022.1017442/full
๐ ษฤฑunp zsษษฏoส :idle: · @to3k
985 followers · 2904 posts · Server mastodon.tomaszdunia.plI donโt know if itโs so pioneering, but itโs quite funny that from motor drives we try to return to good old ship #propulsion wind power ๐
โโโ
Pioneering #wind-powered #cargo #ship sets #sail - #BBC News #TDBNews https://www.bbc.co.uk/news/technology-66543643
#propulsion #wind #cargo #ship #sail #bbc #tdbnews
Jim Donegan โ · @jimdonegan
1557 followers · 4676 posts · Server mastodon.scot#CoolWorlds - What's Stopping Us From Building a #Warp #Drive?
https://www.youtube.com/watch?v=SBBWJ_c8piM&ab_channel=CoolWorlds
#Physics #Science #WarpDrive #WarpBubble #Engineering #Astronautics #Propulsion #Gravity #Spacetime #Alcubierre #MiguelAlcubierre #SpecialRelativity #GeneralRelativity #GR #WEC #WeakEnergyCondition #Causality #CoolWorldsLab #DavidKipping
#davidkipping #coolworldslab #causality #weakenergycondition #wec #gr #generalrelativity #specialrelativity #miguelalcubierre #Alcubierre #spacetime #gravity #propulsion #astronautics #engineering #warpbubble #warpdrive #science #physics #drive #warp #coolworlds
๐ ษฤฑunp zsษษฏoส :idle: · @to3k
951 followers · 2647 posts · Server mastodon.tomaszdunia.pl
#DARPA is working on a #marine #propulsion system [โฆ] Called a magnetohydrodynamic (#MHD) #drive, the system has no moving parts at all
โโโ
The #US #military revives an idea for stealthy #sea power - #BBC News
#TDBNews
https://www.bbc.com/news/business-65958967
#darpa #marine #propulsion #mhd #drive #us #military #sea #bbc #tdbnews
Repeter · @psvensson
185 followers · 886 posts · Server techhub.socialIt will be really interesting to see if this idea has got legs after all. We'll see..
Quantum drive that draws 'limitless power' from Sun will fly to orbit this year https://interestingengineering.com/innovation/quantum-drive-that-draws-limitless-power-from-sun-will-fly-to-orbit-this-year
Spaceflight ๐ · @spaceflight
1512 followers · 1236 posts · Server techhub.social
#NASA has spent nearly $50 million ๐ฐ on the #Janus mission. Concerns with the #propulsion system limited the alternative missions available, the #asteroid โ๏ธ probes will remain on #Earth ๐. https://arstechnica.com/space/2023/07/nasa-decides-not-to-launch-two-already-built-asteroid-probes/
#NASA #janus #propulsion #asteroid #earth
Sawyer Penrose · @sawyer
1 followers · 5 posts · Server spacey.space
Major study on plasma propulsion is moving the future forward. Open up the funding, we have places to go!
#physics #plasmas #propulsion #spacetravel
Jim Donegan โ · @jimdonegan
1496 followers · 4368 posts · Server mastodon.scot#LesJohnson - Is #Interstellar #Travel possible?
"What does a #NASA #Scientist thinks about the #Future of #InterstellarTravel? Find out about the challenges and the realities of travelling beyond our #SolarSystem."
https://www.youtube.com/watch?v=R3Igzfte8Pc&ab_channel=TheRoyalInstitution
#RoyalInstitution #RI #RITalk #Astronomy #Space #SpaceTravel #Propulsion #DeepSpace #Exoplanet #Exoplanets
#exoplanets #exoplanet #deepspace #propulsion #spacetravel #space #astronomy #ritalk #ri #royalinstitution #solarsystem #interstellartravel #future #scientist #nasa #travel #interstellar #lesjohnson
European Innovation Council · @EUeic
166 followers · 1526 posts · Server respublicae.eu
#EUeic funded @ThrustMe_ successfully launched their NPT30-I2 iodine fueled electric propulsion systemย onboard a SpaceX Falcon 9 rocket ๐
Cheers to them and their team! ๐
RT @ThrustMe_: ๐ ThrustMe NPT30-I2 iodine electric propulsion system launched on board the NorSat-TD satellite
#satellite #SpaceX #launch #space #propulsion
๐ฆ๐: https://n.respublicae.eu/EUeic/status/1648330165280178178
#EUeic #Satellite #spacex #launch #space #propulsion
Spaceflight ๐ · @spaceflight
1243 followers · 880 posts · Server techhub.social
#Starlink ๐ฐ๏ธ uses #HallEffectThrusters, which is a kind of #SpacecraftElectricPropulsion https://en.wikipedia.org/wiki/Spacecraft_electric_propulsion. 70% of the recent poll have just been plain wrong ๐ฎ about the type of #propulsion : https://en.wikipedia.org/wiki/Ion_thruster#Starlink
#HallEffectThruster (#IonThruster engines) use an #electrostatic potential to accelerate #ions up to high speeds https://en.wikipedia.org/wiki/Hall-effect_thruster#Principle_of_operation
#Electromagnetic thrusters (#PlasmaPropulsion engines) accelerate #ions either by the #Lorentz force or by the effect of electromagnetic fields where the electric field is not in the direction of the acceleration https://en.wikipedia.org/wiki/Plasma_propulsion_engine#Engine_types
It's all explained by #GalileoGalilei ๐ 1564, #MichaelFaraday ๐ 1791, #HendrikLorentz ๐ 1853, #AlbertEinstein ๐ 1879.Also check #Minkowski's ๐ 1864 #spacetime ๐ค https://en.wikipedia.org/wiki/Minkowski_spacetime. Short after the #StoneAge ๐ , #carburetors were usual, fueled by fossilized remains of dead plants ๐ https://en.wikipedia.org/wiki/Carburetor
#starlink #halleffectthrusters #spacecraftelectricpropulsion #propulsion #halleffectthruster #ionthruster #electrostatic #ions #electromagnetic #plasmapropulsion #lorentz #galileogalilei #michaelfaraday #hendriklorentz #alberteinstein #minkowski #spacetime #stoneage #carburetors
Spaceflight ๐ · @spaceflight
1243 followers · 879 posts · Server techhub.social#Starlink ๐ฐ๏ธ uses #HallEffectThrusters, which is a kind of #SpacecraftElectricPropulsion https://en.wikipedia.org/wiki/Spacecraft_electric_propulsion. 70% of the recent poll have just been plain wrong ๐ฎ about the type of #propulsion : https://en.wikipedia.org/wiki/Ion_thruster#Starlink
#HallEffectThruster (#IonThruster engines) use an #electrostatic potential to accelerate #ions up to high speeds https://en.wikipedia.org/wiki/Hall-effect_thruster#Principle_of_operation
#Electromagnetic thrusters (#PlasmaPropulsion engines) accelerate #ions either by the #Lorentz force or by the effect of electromagnetic fields where the electric field is not in the direction of the acceleration https://en.wikipedia.org/wiki/Plasma_propulsion_engine#Engine_types
It's all explained by #GalileoGalilei ๐ 1564, #MichaelFaraday ๐1791, #HendrikLorentz ๐ 1853, #AlbertEinstein ๐ 1879.Also check #Minkowski's ๐ 1864 #spacetime ๐ค https://en.wikipedia.org/wiki/Minkowski_spacetime. Short after the #StoneAge ๐ , #carburetors were usual, fueled by fossilized remains of dead plants ๐ https://en.wikipedia.org/wiki/Carburetor
#starlink #halleffectthrusters #spacecraftelectricpropulsion #propulsion #halleffectthruster #ionthruster #electrostatic #ions #electromagnetic #plasmapropulsion #lorentz #galileogalilei #michaelfaraday #hendriklorentz #alberteinstein #minkowski #spacetime #stoneage #carburetors
Repeter · @psvensson
170 followers · 660 posts · Server techhub.social
The MK-II 'Aurora' spaceplane reaches a major milestone with rocket flight
https://interestingengineering.com/innovation/new-zealands-spaceplane-rocket-flight
#tech #space #propulsion #rockets
Mark Dunk · @unklar
440 followers · 2242 posts · Server mastodon.education
Pale Blue Successfully Operates its Water-Based Propulsion System in Orbit
#paleblue #space #propulsion #technology #science #satellite
#paleblue #Space #propulsion #technology #Science #satellite
Spaceflight ๐ · @spaceflight
1188 followers · 799 posts · Server techhub.social#ARRM The #Asteroid โ๏ธ Redirect Mission was intended to develop a #robotic #spacecraft to visit a large #NEA and collect a multi-ton boulder โฐ๏ธ from its surface. It would then redirect the boulder into orbit around the #moon ๐, where #astronauts ๐จโ๐ would have explored it and returned to #Earth with samples. White House Space Policy Directive 1, issued ๐ Dec. 11, 2017, ended the mission. but many of the central #technologies in development for that mission, such as #SolarElectric โ๏ธโก #propulsion, will continue https://www.jpl.nasa.gov/missions/asteroid-redirect-robotic-mission-arrm
#arrm #asteroid #robotic #spacecraft #nea #moon #astronauts #earth #technologies #solarelectric #propulsion
Spaceflight ๐ · @spaceflight
1179 followers · 780 posts · Server techhub.social
#NASA #SpaceDebris removal, pages 51/52 : "we assume a fully electric #propulsion system and omit the in-space refueling depot, because each piece of #debris to de-orbit provides the necessary material for refueling โฝ. Advocates for this technology note that the remediation #satellite could produce excess fuel rods from the debris to sell ๐ถ for #revenue to other users of MPTs" https://www.youtube.com/watch?v=vHake6w4Su0
#NASA #spacedebris #propulsion #debris #satellite #revenue
Spaceflight ๐ · @spaceflight
1176 followers · 778 posts · Server techhub.social#NASA #SpaceDebris removal, pages 51/52 : "we assume a fully electric #propulsion system and omit the in-space refueling depot, because each piece of #debris to de-orbit provides the necessary material for refueling โฝ. Advocates for this technology note that the remediation #satellite could produce excess fuel rods from the debris to sell ๐ถ for #revenue to other users of MPTs" https://www.youtube.com/watch?v=vHake6w4Su0
#NASA #spacedebris #propulsion #debris #satellite #revenue
Spaceflight ๐ · @spaceflight
1167 followers · 758 posts · Server techhub.socialThe #Psyche #spacecraft travels using #SolarElectric (low-thrust) #propulsion. Solar โ๏ธ electric propulsion uses electricity from solar arrays to create electromagnetic fields to accelerate and expel charged atoms โ๏ธ (#ions) of #xenon to create a very low thrust with a very efficient use of #propellant โฝ. This will be the first use of a #HallEffectThruster beyond lunar orbit.
#Launch period ๐ October 5-25, 2023 https://psyche.asu.edu/mission/launch
Propulsion : https://en.wikipedia.org/wiki/Psyche_(spacecraft)#Propulsion
#Forbes "Psyche could contain a core of #iron, #nickel and #gold worth $10,000 #quadrillion" https://www.forbes.com/sites/jamiecartereurope/2022/10/29/nasa-will-launch-psyche-mission-to-explore-asteroid-worth-more-than-the-global-economy
#NYT #AsteroidMining : "letโs say Psyche โ๏ธwere pulverized and carried to #Earth ๐. For precisely that reason, #prices of iron and nickel would drop close to zero. I interviewed Matthew Gialich, the chief executive officer and a co-founder of #AstroForge. Theyโre going for #platinum, which sells for a little under $1,000 an ounce, and related #metals, such as #palladium." https://www.nytimes.com/2023/02/08/opinion/psyche-asteroid-nasa-mining.html
#psyche #spacecraft #solarelectric #propulsion #ions #xenon #propellant #halleffectthruster #launch #forbes #iron #nickel #gold #quadrillion #nyt #asteroidMining #earth #prices #astroforge #platinum #metals #palladium
Spaceflight ๐ · @spaceflight
1167 followers · 758 posts · Server techhub.socialThe #Psyche #spacecraft travels using #SolarElectric (low-thrust) #propulsion. Solar โ๏ธ electric propulsion uses electricity from solar arrays to create electromagnetic fields to accelerate and expel charged atoms โ๏ธ (#ions) of #xenon to create a very low thrust with a very efficient use of #propellant โฝ. This will be the first use of a #HallEffectThruster beyond lunar orbit.
#Launch period ๐ October 5-25, 2023 https://psyche.asu.edu/mission/launch
Propulsion : https://en.wikipedia.org/wiki/Psyche_(spacecraft)#Propulsion
#AsteroidMining : "letโs say Psyche โ๏ธwere pulverized and carried to #Earth ๐. Human beings would be richer in one sense, because they would have all the #iron and #nickel they would ever need. But for precisely that reason, #prices of iron and nickel would drop close to zero. I interviewed Matthew Gialich, the chief executive officer and a co-founder of #AstroForge. Theyโre going for #platinum, which sells for a little under $1,000 an ounce, and related #metals, such as #palladium." https://www.nytimes.com/2023/02/08/opinion/psyche-asteroid-nasa-mining.html
#psyche #spacecraft #solarelectric #propulsion #ions #xenon #propellant #halleffectthruster #launch #asteroidMining #earth #iron #nickel #prices #astroforge #platinum #metals #palladium
Spaceflight ๐ · @spaceflight
1156 followers · 742 posts · Server techhub.social#SpaceDebris removal
Active
โข Departure from a working orbit using its own #propulsion system
โข Capture and #tug by other #spacecraft
โข Remote energy impact (#laser or ion flow)
โข Full or partial #recycling
Passive
Braking and deorbiting using the following objects:
โข solar #sail
โข aerodynamic braking device (#balloon)
โข electrodynamic trap (#cable system)
https://orbitaltoday.com/2022/03/30/space-debris-removal-importance-todays-methods-innovative-spacecrafts
#spacedebris #propulsion #tug #spacecraft #laser #recycling #sail #balloon #cable
Cosmic Penguin · @CosmicPenguin
208 followers · 2767 posts · Server spacey.space
RT @ursamajortech
Ursa Major ๐ค @vectorlaunch
Weโre providing several Hadley engines to support Vectorโs recently awarded U.S. national security contract.
Learn more here: https://bit.ly/3YxsulP