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  #1  
Old 03-07-2013, 12:25 AM
Tau Zero's Avatar
Tau Zero Tau Zero is offline
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Location: Twin Falls, Idaho, USA
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Exclamation New Design -- Centuri Achilles 1.00X

I *could* blame Bill "Vanel" Cooke for inspiring this one.


From the "back pages" of Centuri's Model Rocket Design Manual (1970):

http://www.spacemodeling.org/jimz/m...nual/dm-129.jpg

http://www.spacemodeling.org/jimz/m...nual/dm-132.jpg


Don't forget to print out the last page at "actual size."

Also note that the nose cone shown in the plans is actually Centuri PNC-74, *not* PNC-76. Semroc's substitute is BC-734P.


Enjoy!
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Name:  Centuri Achilles 01.jpg
Views: 140
Size:  149.1 KB  Click image for larger version

Name:  Centuri Achilles 02.jpg
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Size:  178.3 KB  Click image for larger version

Name:  Centuri Achilles rotated by Vanel.jpg
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Size:  79.9 KB  
Attached Files
File Type: rkt Centuri Achilles.rkt (49.0 KB, 81 views)
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Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014

Last edited by Tau Zero : 03-10-2013 at 03:48 AM.
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  #2  
Old 03-07-2013, 12:35 AM
stefanj stefanj is offline
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Not exactly a new design . . . but that came out very nicely!

Kind of a Skyhook class model, but as usual with Centuri more modern and sportier looking.
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  #3  
Old 03-07-2013, 12:42 AM
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Tau Zero Tau Zero is offline
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Talking

Quote:
Originally Posted by stefanj
Not exactly a new design . . . but that came out very nicely!

Kind of a Skyhook class model, but as usual with Centuri more modern and sportier looking.
Stefan,

I agree, *not* actually new, but Craig considers a design "new" if it hasn't been A) seen before *or* B) RockSimmed.

I suppose you could go "even bigger" and experiment with different engine (motor) sizes to get some more desireable performance, as well.

Glad you liked it!


Cheers,
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Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014
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  #4  
Old 03-07-2013, 11:36 PM
Vanel Vanel is offline
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Quote:
Originally Posted by Tau Zero
I *could* blame Bill "Vanel" Cooke for inspiring this one.


Who? me?

Great work on the design!
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  #5  
Old 03-08-2013, 09:07 PM
Neal Miller Neal Miller is offline
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Quote:
Originally Posted by Tau Zero
I *could* blame Bill "Vanel" Cooke for inspiring this one.


From the "back pages" of Centuri's Model Rocket Design Manual (1970):

http://www.spacemodeling.org/jimz/m...nual/dm-129.jpg

http://www.spacemodeling.org/jimz/m...nual/dm-132.jpg


Don't forget to print out the last page at "actual size."

Also note that the nose cone shown in the plans is actually Centuri PNC-734, *not* PNC-76. Semroc's substitute is BC-734P.


Enjoy!
Looks pretty cool, but is that one of the variations of the
CENTURI Sky Devil ? Nope close but no cookie.
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Name:  100_0165.JPG
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Last edited by Neal Miller : 03-08-2013 at 09:25 PM. Reason: add pictures and text
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  #6  
Old 03-09-2013, 01:04 PM
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Tau Zero Tau Zero is offline
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Thumbs up Centuri Sky Devil

Quote:
Originally Posted by Neal Miller
Looks pretty cool, but is that one of the variations of the
CENTURI Sky Devil ? Nope close but no cookie.
Interesting! Very close, though!

And thanks for sharing pics of your Sky Devil! VERY nice!


Cheers,
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Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014
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  #7  
Old 03-10-2013, 04:05 PM
Tau Zero's Avatar
Tau Zero Tau Zero is offline
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Quote:
Originally Posted by Tau Zero
I *could* blame Bill "Vanel" Cooke for inspiring this one.
Quote:
Originally Posted by Vanel
Who? me?

Great work on the design!
(Phil Hartman voice) "Yes, Bill. It's all about... *you.*"

Actually, I noticed that the RockSim file I used for the Semroc BC-734P was slightly shorter (3.0") than the original Centuri PNC-74 (3.4"). So here's the CORRECTED version of the Centuri Achilles.

Cheers,
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Name:  Centuri Achilles 01 CORRECTED.jpg
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File Type: rkt Centuri Achilles Corrected.rkt (74.6 KB, 66 views)
__________________
Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014
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