Author Topic: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012  (Read 85613 times)

Offline douglas100

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #280 on: 07/27/2012 04:06 PM »
Yeah, looks comparatively undamaged.
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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #281 on: 07/27/2012 06:28 PM »
Looks like a winged reusable vehicle ??? :)

Offline sdsds

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #282 on: 07/27/2012 07:05 PM »
Any guesses on how it survived impact so well? Is the Pegasus first stage expected to glide into a landing?
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Offline Jim

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #283 on: 07/27/2012 08:34 PM »
It probably went into a flat spin and it's impact speed was much less than 100 mph

Online Robotbeat

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #284 on: 07/27/2012 08:41 PM »
It's a solid stage, so that means it doesn't crush like the usual tin-can liquid stages. And, of course, it's a first stage (of a three stage vehicle) so it doesn't see the high heating rate that an upper stage sees or even what the first stage of a two-stage vehicle like Falcon 9 would see.

Also, the stage is small (thus less likely to break up) and has those wings which increases greatly the surface area and reduce the terminal velocity.
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Offline kevin-rf

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #285 on: 07/28/2012 12:41 AM »
Though, unless it is a vine to the right of the patrol man, it looks like the case cracked.

How much you want to wager Antonioe and Orbital would love give that booster a real good post flight once over.

Edit: The patrol man's right, the reader's left.
« Last Edit: 07/28/2012 12:44 AM by kevin-rf »
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Offline Kabloona

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #286 on: 07/29/2012 02:14 AM »
It does look like a crack in the case, about mid-segment, not surprising given the mass of the wing when the segment hit water. Looks like the tail section broke off.

What would be most interesting would be an inspection of the wing to see how well it handled the flight and impact loads. That thing is so beefy, it probably didn't even notice the water impact. I doubt there's even a crack in it.

Offline Brian Copp

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #287 on: 07/29/2012 02:35 AM »
What propellant does the Pegasus use? Ammonium perchlorate?

Offline Kabloona

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #288 on: 07/29/2012 07:25 PM »
What propellant does the Pegasus use? Ammonium perchlorate?

AP/HTPB. Not toxic, and there's none of it left anyway.

Offline Kabloona

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #289 on: 10/15/2012 04:37 AM »
Just curious...anyone at Orbital know if this stage was retrieved? The article link on the previous page said that the Marshall Islands requested the State Dept to remove it. Wondering what happened to it.

Offline strangequark

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #290 on: 10/15/2012 04:47 PM »
Just curious...anyone at Orbital know if this stage was retrieved? The article link on the previous page said that the Marshall Islands requested the State Dept to remove it. Wondering what happened to it.

I know we removed unexploded ordnance and other hazardous items. Not sure if the bulk of the structure has been removed yet.

Offline Kabloona

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Re: LIVE: Orbital Pegasus XL/NuSTAR - June 13, 2012
« Reply #291 on: 10/15/2012 11:20 PM »
Just curious...anyone at Orbital know if this stage was retrieved? The article link on the previous page said that the Marshall Islands requested the State Dept to remove it. Wondering what happened to it.

I know we removed unexploded ordnance and other hazardous items. Not sure if the bulk of the structure has been removed yet.

Thanks for the update.

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