Author Topic: Booster sep footage redstone rocket?  (Read 14578 times)

Offline Hoonte

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Booster sep footage redstone rocket?
« on: 11/13/2014 10:54 am »
Just wondering... Am I looking at a booster sep of a redstone rocket at 8:31 in this footage?


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Offline kevin-rf

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Re: Booster sep footage redstone rocket?
« Reply #1 on: 11/13/2014 12:19 pm »
Reentry Vehicle (Warhead) separation?
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Offline JasonAW3

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Re: Booster sep footage redstone rocket?
« Reply #2 on: 11/13/2014 03:00 pm »
Just wondering... Am I looking at a booster sep of a redstone rocket at 8:31 in this footage?



It definaterly looked like a booster seperation. A warhead platform would not only kick away much harder, but would kick in the main engine within seconds of clearing the first stage.
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Offline kch

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Re: Booster sep footage redstone rocket?
« Reply #3 on: 11/13/2014 03:35 pm »
Just wondering... Am I looking at a booster sep of a redstone rocket at 8:31 in this footage?



It definaterly looked like a booster seperation. A warhead platform would not only kick away much harder, but would kick in the main engine within seconds of clearing the first stage.

"First stage"?  The Redstone only *had* one stage:

http://en.wikipedia.org/wiki/PGM-11_Redstone

:)

Offline edkyle99

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Re: Booster sep footage redstone rocket?
« Reply #4 on: 11/13/2014 03:43 pm »
Just wondering... Am I looking at a booster sep of a redstone rocket at 8:31 in this footage?

What we are seeing is likely the separation, or ejection, of a camera pod from the base of the Reentry Body (the forward section that carried the warhead and guidance system and that had earlier separated from the Redstone booster after the boost phase).  This may have been part of a project called "Television Feasibility Demonstration Project" that was performed using four Redstone missiles (CC-2011, CC-2014, CC-2021, and CC-2022), from White Sands in 1960.  The idea was to test whether it might be possible to assess target damage via. television signal transmitted from a pod that trailed the warhead by 10-15 km.  I believe there were earlier engineering tests that included film camera pods that were recovered via. parachute.

AMBA called the Reentry Body a "Body Unit".  The Redstone booster itself was called the "Thrust Unit"  They were separated by explosive screws and pneumatic cylinders shortly after booster cut-off.  The "Body Unit" had the missile's inertial guidance system.  It steered itself a bit upon reentry using the four "air vanes".

 - Ed Kyle
« Last Edit: 11/13/2014 04:00 pm by edkyle99 »

Offline brihath

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Re: Booster sep footage redstone rocket?
« Reply #5 on: 11/13/2014 04:18 pm »
That separation film clip was used in the movie "Trinity and Beyond" to depict the warhead separation as part of high altitude nuclear weapons tests using the Redstone.  In 1958 during Operation Hardtack, two Redstones carried live warheads, launched 12 days apart.  They were the first ballistic missiles to do so.

Offline kevin-rf

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Re: Booster sep footage redstone rocket?
« Reply #6 on: 11/13/2014 05:34 pm »
AMBA called the Reentry Body a "Body Unit".  The Redstone booster itself was called the "Thrust Unit"  They were separated by explosive screws and pneumatic cylinders shortly after booster cut-off.  The "Body Unit" had the missile's inertial guidance system.  It steered itself a bit upon reentry using the four "air vanes".

I think you are right, it looks like the view is looking forward to one of the vanes in this screen grab. (~8:40)
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Offline edkyle99

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Re: Booster sep footage redstone rocket?
« Reply #7 on: 11/13/2014 07:14 pm »
AMBA called the Reentry Body a "Body Unit".  The Redstone booster itself was called the "Thrust Unit"  They were separated by explosive screws and pneumatic cylinders shortly after booster cut-off.  The "Body Unit" had the missile's inertial guidance system.  It steered itself a bit upon reentry using the four "air vanes".

I think you are right, it looks like the view is looking forward to one of the vanes in this screen grab. (~8:40)
Also reinforced by the view of the checkerboard roll pattern just before the Body Unit slides out of view.

 - Ed Kyle
« Last Edit: 11/13/2014 07:19 pm by edkyle99 »

Offline Hoonte

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Re: Booster sep footage redstone rocket?
« Reply #8 on: 11/13/2014 07:59 pm »
Just wondering... Am I looking at a booster sep of a redstone rocket at 8:31 in this footage?

What we are seeing is likely the separation, or ejection, of a camera pod from the base of the Reentry Body (the forward section that carried the warhead and guidance system and that had earlier separated from the Redstone booster after the boost phase).  This may have been part of a project called "Television Feasibility Demonstration Project" that was performed using four Redstone missiles (CC-2011, CC-2014, CC-2021, and CC-2022), from White Sands in 1960.  The idea was to test whether it might be possible to assess target damage via. television signal transmitted from a pod that trailed the warhead by 10-15 km.  I believe there were earlier engineering tests that included film camera pods that were recovered via. parachute.

AMBA called the Reentry Body a "Body Unit".  The Redstone booster itself was called the "Thrust Unit"  They were separated by explosive screws and pneumatic cylinders shortly after booster cut-off.  The "Body Unit" had the missile's inertial guidance system.  It steered itself a bit upon reentry using the four "air vanes".

 - Ed Kyle

Wow.. great extra info on the redstone.. especially the "Television Feasibility Demonstration Project"

I bet you got the info from this document Ed which I would like to share with the rest.

Happy reading on HISTORY OF THE REDSTONE MISSILE SYSTEM
http://www.dtic.mil/dtic/tr/fulltext/u2/a434109.pdf
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Offline Jim

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Re: Booster sep footage redstone rocket?
« Reply #9 on: 11/13/2014 09:54 pm »

Also reinforced by the view of the checkerboard roll pattern just before the Body Unit slides out of view.

and lack on fins on the aft and venting from a shutdown engine.

Offline Hoonte

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Re: Booster sep footage redstone rocket?
« Reply #10 on: 11/14/2014 06:28 am »
Bonus info on the Redstone in this film narrated by a former employee I guess.. In the end he also talks about the camera in the redstone.

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Offline Proponent

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Re: Booster sep footage redstone rocket?
« Reply #11 on: 11/14/2014 08:46 am »
Why is the accuracy of the missile quoted in meters rather than feet or yards?  In that era, the use of metric units in the US would seem to have been very scarce.

Offline Hoonte

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Re: Booster sep footage redstone rocket?
« Reply #12 on: 11/14/2014 09:05 am »
Why is the accuracy of the missile quoted in meters rather than feet or yards?  In that era, the use of metric units in the US would seem to have been very scarce.

Indeed... My best bet: Redstone = Von Braun = German = metric?
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Offline edkyle99

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Re: Booster sep footage redstone rocket?
« Reply #13 on: 11/14/2014 02:50 pm »
Why is the accuracy of the missile quoted in meters rather than feet or yards?  In that era, the use of metric units in the US would seem to have been very scarce.
My guess would be that this was a U.S. Army missile bound for use by NATO in Europe.  The U.S. Army, because of its long deployment in Europe, used a mix of metric and imperial units.  See, for example, this page from a Redstone U.S. Army Field Manual.

By the way, I've just discovered that the "Air Vanes" on the "Body Unit" also had "Air Jets" in them that exhausted orthogonally to provide attitude control until the Unit hit the atmosphere. 

 - Ed Kyle
« Last Edit: 11/14/2014 05:37 pm by edkyle99 »

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