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Nieco ciekawostek z historii, i...


RomanJ4
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Saturn V launch vehicle computer
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Saturn V rocket launch animation.
https://s3-us-west-1.amazonaws.com/hmt-forum/saturnv_animated_tanks.mp4
Colorized photograph of Dr. Wernher von Braun standing by the engines of his brainchild, the Saturn V super heavy-lift launch vehicle.

The Von Braun Ferry Rocket was a concept design for a shuttle spacecraft developed by Wernher von Braun in the early 1950s.
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NASA Apollo contour rocket nozzle being tested in a test chamber that could simulate conditions found at very high altitudes, c. 1964.

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NASA water deluge rocket launch system. Several hundred thousand gallons of water are used to prevent damage from the extreme temperature and sound from a rocket launch.
The water protects the new SLS rocket, Orion spacecraft, Mobile Launcher, and that one guy who took the Viral hot pepper challenge too far.

https://s3-us-west-1.amazonaws.com/hmt-forum/nasa_water_deluge_system.mp4

https://s3-us-west-1.amazonaws.com/hmt-forum/nasa_rocket_test_stand.mp4

 

Machining a space shuttle main injector in 1977.

machining_space_shuttle_injector.jpg

 

 

Apollo service module fuel cell. Three cells were used to generate power for the spacecraft and water for the astronauts.

apollo_fuel_cell.jpg

 

NASA's Kilopower Reactor Using Stirling Technology (KRUSTY) prototype fission reactor for space travel. The reactor uses uranium-235 to generate heat that is carried to the Stirling converters with passive sodium heat pipes.  https://www.nasa.gov/directorates/spacetech/kilopower

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a' propos..

Starting a nuclear reactor. The blue glow emitted by the reactor is the Cherenkov radiation. Named after named Soviet scientist and Nobel Prize winner Pavel Cherenkov, the electromagnetic radiation is emitted when a charged particle (such as an electron) moves through a dielectric medium faster than the phase velocity of light in that medium. https://www.nuclear-power.net/nuclear-power/reactor-physics/atomic-nuclear-physics/fundamental-particles/beta-particle/cherenkov-radiation/
https://s3-us-west-1.amazonaws.com/hmt-forum/reactor_startup.mp4

 

Space shuttle thermal tile material held in hand after 1 hour in a 2200° oven!!

https://s3-us-west-1.amazonaws.com/hmt-forum/space_shuttle_thermal_tile.mp4

 

Obecnie...

NASA CRS-18 vertical landing.

https://s3-us-west-1.amazonaws.com/hmt-forum/nasa_crs18_landing.mp4

https://s3-us-west-1.amazonaws.com/hmt-forum/falcon9_booster_landing.mp4

https://s3-us-west-1.amazonaws.com/hmt-forum/spacex_assembling_heavy_falcon.mp4

 

SpaceX foundry casting Raptor engine manifold out of Inconel https://en.wikipedia.org/wiki/Inconel

https://s3-us-west-1.amazonaws.com/hmt-forum/spacex_inconel_casting.mp4

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WWII Tiny Tim air-to-surface rocket test.

https://s3-us-west-1.amazonaws.com/hmt-forum/tiny_tim_air_to_surface_rocket_test.mp4

 

- Z drogi śledzie, bo król jedzie !.... Upps...  :mrgreen:
https://s3-us-west-1.amazonaws.com/hmt-forum/rocket_falls_off_of_landing_plane.mp4

 

Mobile rocket-assisted takeoff launch platform.

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Ostre hamowanie

Cytat

This post discusses the details of an abandoned hostage rescue plan, called Operation Credible Sport, to extract the Americans held during the Iran Hostage crisis. The plan involved modifying a C-130 Hercules airplane with the addition of numerous rockets, to create the largest short takeoff and landing plane in existence, which would then land inside a soccer stadium near the U.S. Embassy in Tehran. Delta Force operators would then extract the hostages, and the plane would take off from inside the stadium and land on a nearby aircraft carrier.
First, the good stuff - a GIF of the modified plane in action: https://pfmrc.eu/applications/core/interface/js/spacer.png

 

credible_sport1.gif

 

Cytat

The plan was to take three C-130 Hercules cargo planes, and heavily modify them, specifically by adding 30 rockets mounted in various spots all over the fuselage, wings, and tail. This modification was an enhanced version of something called RATO (Rocket-Assisted Take Off), and it would enable them to take off and land the enormous planes near-vertically. The plan was to land inside Amjadiyeh Stadium across the street from the US Embassy in Iran, storm the embassy with Delta Force operators, extract the hostages, and then take off from within the stadium. From there, the modified C-130 would land on an aircraft carrier. https://www.homemadetools.net/forum/operation-credible-sport-c-130s-modified-rockets-hostage-rescue-56564#post83923
The planes were carefully tested out, and performed surprisingly well, immediately breaking various aviation records for short takeoffs and landings. One of them suffered a catastrophic fire during testing, preserved for history in the following GIF:

 

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  • 2 weeks later...
17 godzin temu, Grifon napisał:

Że łapy nie poparzy?

To jest właśnie cała tajemnica tego materiału* który podobnie jak grafit mając bardzo małą przewodność właściwą przewodzi ciepło tylko w konkretnym kierunku (z jednej strony grzejesz cienką płytkę grafitu palnikiem acetylenowym, a z drugiej trzymasz palec !)

Temperatura spodniego pokrycia promu może wahać się od -110 aż do 1500 stopni Celsjusza. Ponadto pokrycie musi wytrzymać również inne warunki pogodowe w tym np. wilgoć. Podczas tej prezentacji na filmie, płytka została podgrzana do 1200 stopni Celsjusza. Złapał ją za rogi gdyż one najszybciej ostygły.

 

* - https://www.google.com/url?sa=i&url=https%3A%2F%2Fcore.ac.uk%2Fdownload%2Fpdf%2F42700645.pdf&psig=AOvVaw06rQWyV9h1vOuF2l9rqpyQ&ust=1684234065694000&source=images&cd=vfe&ved=2ahUKEwiw1vP6kvf-AhUI6CoKHWArBgkQtaYDegQIABAT

https://en.wikipedia.org/wiki/Space_Shuttle_thermal_protection_system

https://en.wikipedia.org/wiki/Ceramic_engineering

 

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