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  #11  
Old 11-15-2019, 09:10 PM
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Ez2cDave Ez2cDave is offline
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Quote:
Originally Posted by aeppel_cpm
Given that launch angle, I think a guidance test is a reasonable hypothesis.
I put some calipers on the screen and if the HJ is 22.9" diameter, then the second stage comes out at 16.9. For measuring off the screen, that's pretty close to 16.5" that's listed in RoTW for a Nike.

I don't think that payload/third stage is bigger than the Nike. I think there are strakes below the delta fins that make it look fatter. I think it's the same size as the Nike.

What about a test using the S19 guidance system for the Black Brandt? Developed in the mid 70's and apparently used a lot at White Sands. From what i can find, it was/is 17.26" OD.


Charles,

That is an interesting hypothesis . . . It does look like a Black Brant S19 unit.

Dave F.
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  #12  
Old 11-16-2019, 09:50 AM
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I'd sign off on an S19 test. That'd explain the pitot tube nose. The little fin section could very well be .75 inches larger than the Nike; it would be really hard to detect at this range in a picture. And the fitting between the fins could be a camera.

That would be a heck of a test to see if the little fins could bring the mass of an HJ-Nike stack to a more vertical line.
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  #13  
Old 11-16-2019, 12:08 PM
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Quote:
Originally Posted by MarkB.
I'd sign off on an S19 test. That'd explain the pitot tube nose. The little fin section could very well be .75 inches larger than the Nike; it would be really hard to detect at this range in a picture. And the fitting between the fins could be a camera.

That would be a heck of a test to see if the little fins could bring the mass of an HJ-Nike stack to a more vertical line.


Some info . . .
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File Type: pdf s3_21ljung.pdf (225.1 KB, 12 views)
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  #14  
Old 07-26-2020, 09:43 AM
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Aerodynamic Deployable Decelerator Performance Evaluation Program.
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Last edited by Chris_Timm : 07-26-2020 at 10:14 AM.
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  #15  
Old 07-26-2020, 10:42 AM
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Quote:
Originally Posted by Chris_Timm
Aerodynamic Deployable Decelerator Performance Evaluation Program.


Chris,

BULLS-EYE . . . Nice find, sir !

Are there any larger, clearer, and/or dimensioned drawings ?

Dave F.
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  #17  
Old 07-27-2020, 03:17 PM
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AEDC-TR-65-110
AFFDL-TR-65-27
AFFDL-TR-67-25
AFFDL-TR-67-60
AFFDL-TR-67-192

These are all the reports I have (so far).
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  #18  
Old 07-27-2020, 03:55 PM
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Quote:
Originally Posted by Chris_Timm
AEDC-TR-65-110
AFFDL-TR-65-27
AFFDL-TR-67-25
AFFDL-TR-67-60
AFFDL-TR-67-192

These are all the reports I have (so far).



The search continues . . .

Dave F.
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