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re: Picture of a space shuttle leaving Earth, taken by NASA
Posted on 4/7/16 at 12:12 pm to roadkill
Posted on 4/7/16 at 12:12 pm to roadkill
quote:
The picture is not from a commercial airplane - the airspace is closed within that range during launch window except to military aircraft.
The airspace is restricted to approx 30 miles. There are plenty of videos of shuttle launches taken from commercial aircraft at that distance or more. This is easily that far away.
quote:
A few seconds after launch, the Shuttle executed the "roll program" when it would flip on its back. That was done in order to allow gravity to feed the liquid fuel from the External Tank to the Space Shuttle Main Engines - this eliminated the requirement for fuel pumps.
Actually each of the Space Shuttle Main Engines have fuel and oxidizer turbopumps. The roll maneuver is performed, among other things, in order to position the shuttle into the proper orbit for its mission. But the turbopumps were key elements to each of the three engines.
1
Posted on 4/7/16 at 12:38 pm to meeple
quote:
The airspace is restricted to approx 30 miles. There are plenty of videos of shuttle launches taken from commercial aircraft at that distance or more. This is easily that far away.
No, it's not. Strike 1
quote:
The roll maneuver is performed, among other things, in order to position the shuttle into the proper orbit for its mission.
The Shuttle went into various orbits depending the mission including polar orbits for DoD, launching satellites into geosynchronous orbits, and building the Space Station. The roll program had zero to do with orbit placement. Strike 2
quote:
Actually each of the Space Shuttle Main Engines have fuel and oxidizer turbopumps.
Sorry that you don't understand the difference in a fuel and oxidizer turbopump and a fuel pump. Strike 3
I supported the Shuttle Program from the first flight through the last flight...you're welcome.
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