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  Early Rocketry - Corporal Thrust Chamber

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Author Topic:   Early Rocketry - Corporal Thrust Chamber
LCDR Scott Schneeweis
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posted 04-18-2008 10:28 AM     Click Here to See the Profile for LCDR Scott Schneeweis   Click Here to Email LCDR Scott Schneeweis     Edit/Delete Message   Reply w/Quote
Though it may be tough to discern from the images, buried within the carcus of this lower Corporal Missile propulsion section recovered from White Sands Missile Range is one of the Jet Propulsion Laboratories first production regeneratively cooled thrust chambers developed from their study of the V2 Rocket. This weekend will start working to extricate the thrust chamber it is significant also because this early JPL work was the progenitor for most of the Rocket and Missile technology we see today (including Jupiter and Saturn). More pictures to follow for those interested as the work progresses:

Click on each image for higher res pics:



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Scott Schneeweis
http://www.SPACEAHOLIC.com/

garymilgrom
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From: Atlanta, GA, USA
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posted 04-18-2008 10:45 AM     Click Here to See the Profile for garymilgrom   Click Here to Email garymilgrom     Edit/Delete Message   Reply w/Quote
Scott it looks like the cooling tubes run vertically in the thrust chamber - was this some early design? Everything I've seen except for this has them running circumferentially around the chamber.

And is your Shop Vac rated for hydrazine :-)

LCDR Scott Schneeweis
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posted 04-18-2008 11:22 AM     Click Here to See the Profile for LCDR Scott Schneeweis   Click Here to Email LCDR Scott Schneeweis     Edit/Delete Message   Reply w/Quote
Axial flow of coolant through the thrust chamber walls was a trademark of this engine design (some of the earlier non-production engines as well as many "modern" regeneratively cooled engines do employ the helical channels that you may be more familiar with). There are other examples of axial cooled engines - the X-15's XLR-99 a better known one.

These engines used even nastier stuff then straight stick hydrazine for propellant (the oxidizer was fuming nitric acid) in combination with a aniline-furfuryl alcohol-hydrazine mixture.

freshspot
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From: Lexington, MA, USA
Registered: Dec 2005

posted 04-19-2008 10:00 AM     Click Here to See the Profile for freshspot   Click Here to Email freshspot     Edit/Delete Message   Reply w/Quote
Wow. Scott, you seem to outdo yourself with each new artifact. Thanks for sharing.


LCDR Scott Schneeweis
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posted 04-19-2008 10:25 AM     Click Here to See the Profile for LCDR Scott Schneeweis   Click Here to Email LCDR Scott Schneeweis     Edit/Delete Message   Reply w/Quote
Yes there really is a thrust chamber buried within - results so far after a long night:

LCDR Scott Schneeweis
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posted 04-27-2008 05:34 PM     Click Here to See the Profile for LCDR Scott Schneeweis   Click Here to Email LCDR Scott Schneeweis     Edit/Delete Message   Reply w/Quote
Here is the fully extracted thrust chamber...I will ultimately be making this rocket engine available for sale or trade domestically:

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