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- 03-17-2008 02:13 PM #81
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Many little engine bursts uses the same fuel and gains the same result as one long burst - it's physics. It's in space, so simple physics applies - only gravitational effects modify the situation.
More than one burst is only needed to change the orbit in more than one way - i.e. one burst for elevation, one burst to correct orbit shape, more bursts to change its position relative to earth (slot).
The only reason it would take months, is that to conserve fuel, they may use a slight burst, and then let it drift slowly to the correct slot.
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- 03-17-2008 02:13 PM #82
Scott has said they plan on Turning on the HD locals that are there, I just wonder how much of a delay it will be for those later on the list! I feel bad for Dish network, but you never know with charlie, he could have something up his sleeve just yet! I know I am very happy with their plans (eastern arc) or where it "seems" like they are heading
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- 03-17-2008 02:16 PM #83
Well, it may pertain to other things, but not necessarily to satellites. If you apply a thrust to an object in its orbital direction, it will drift out and stabilize in a new higher orbit where the linear velocity is correct. Note that as orbit increases, angular velocity goes down, but linear velocity goes up. Thus a small amount of fuel could get it into the correct altitude.
The bigger problem will be in correcting the orbital tilt. That is going to require a minimum of 2 big burns and likely three. Note that while they are doing all of this, they need to stay away from 22,800 equatorial until the end so they don't hit anything in that crowded orbit.
- 03-17-2008 02:16 PM #84
I hear Charlie is going to go up there with his jetpack and throw the thing into position. He just won't talk about it..
- 03-17-2008 02:17 PM #85
Thats what I was thinking right there. I was wondering if they wouldnt just use a burst let it drift for awhile, and then use a burst when it slows that way most of the movement is drifts and not from the engine themselves. IF they can continue with 61.5 right now and wait for 3-4 months for amc-14 to get there and get tested and then light it up, and not effect their plans then by all means let amc-14 take 8 months to get there, the main thing is to get as much life as possible out of that bird, let them get time to build a spare and use that bird up as from what I know its a really impressive piece of technology!
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- 03-17-2008 03:01 PM #86
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The shuttle is up there... how about a fly by and a hip check?
- 03-17-2008 03:03 PM #87
Heh unfortunately the shuttle is a ways away.
- 03-17-2008 03:14 PM #88
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- 03-17-2008 03:25 PM #89
In order to calm jittery subscribers who might flee to D* over the issue, E* will be trying to appeal to their inner child by showing numerous showings of "The Little Engine That Could" interspersed with the satellite trying to get closer to where it is supposed to be....
Of course D* will counter with another one of its wacky faux movie clips with clips of the Road Runner flicking his tongue at the coyote with the E* logo on his shirt (that'll teach him for using Acme Rockets to launch his satellite)....
...or you could use a clip of Tim Conway's Dorf for dramatic effect......
Sigh...... C'mon Charlie, step up, do something to keep the faithful placated....Are we there yet?
- 03-17-2008 03:25 PM #90
Thousands / Tens of thousands of miles, along with the difference in orbits (LEO vs GEO) etc. It just isn't happening.

However, with this nonsense happening more in recent times, it might be time for a satellite mover / in-orbit repair company to seriously consider the market they may have.

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