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

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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

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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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Posted by meeple

Carcassonne

Member since May 2011

9450 posts

Posted on 4/7/16 at 1:48 pm to roadkill

quote:
No, it's not.

Yes, it typically was. I already cited my reference earlier. Cite yours.

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Sorry that you don't understand the difference in a fuel and oxidizer turbopump and a fuel pump.

Sure boss. However, they both serve to increase pressure of fuel delivery. This is in direct contrast to your statement that there are no fuel pumps, and strictly relying on gravity to provide fuel to the combustion chamber.

Now that I got those out of the way...

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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.

Thank you for confirming part of my original statement that roll is performed depending on the

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proper orbit for its mission.

I see you are on the East Coast, and since you say you supported the shuttle program, maybe you worked at KSC. I actually supported the program as well. Maybe this source will help you understand what I'm trying to say when I state that

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the roll maneuver is performed, among other things, in order to position the shuttle into the proper orbit for its mission.

But in no way does it, as you state, have

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zero to do with orbit placement

Note that

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the "roll maneuver" is really a maneuver in all three axes: roll, pitch and yaw. The roll component of that maneuver is performed for the reasons stated

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The pitch component controls loading on the wings by keeping the angle of attack (q-alpha) within a tight tolerance. The yaw component is used to determine the orbital inclination.

Looks like those bats are making contact, afterall?

LINK
^^^I tried to find a KSC source since it appears you hail from the East Coast, although there are many sources of information describing the same thing.

quote:
I supported the Shuttle Program from the first flight through the last flight

Let me guess, USA? I've been there plenty of times over the years and am not unfamiliar with the Shuttle program at all, I'll just put it that way.

I'm done with this argument.

This post was edited on 4/7/16 at 1:49 pm

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Posted by soccerfüt

Location: A Series of Tubes

Member since May 2013

66157 posts

Posted on 4/8/16 at 7:17 am to roadkill

quote:
I supported the Shuttle Program from the first flight through the last flight...you're welcome.

Me too, I've been paying taxes since the 70s.

It's amazing how many internet "experts" here have simply read a Wikipedia article on their subject.

Both my dad and FIL were intimately involved in the Shuttle program. Apollo and SS paid for my upbringing.