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#1
02-28-2009, 09:51 PM
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New Design -- Azteca
From the attached RockSim 8 file:
Even though I aesthetically prefer rockets with 3 fins instead of 4, the deployment velocities on this design were just too high for my tastes. Adding a fourth fin added enough drag to slow this rocket down nicely. I also initially used an 8" long ST-10 tube for the lower body, but bumped it up to ST-13 to provide additional drag, as well. After the Tau Zero and the Zeta, this is the third of my designs to use the Semroc BC-760 "Tau Zero" nose cone." Quick! For extra points, who can point out the common elements of those three model names?  (No fair looking at the RockSim file first!)   .
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Jay Goemmer "Centuri Guy"/"Tau Zero" YORF Member 28 Semroc SAM #0029 NAR 86131 "I think about organizing things all the time. Never seems to happen. I find something that piques my interest and I'm off on a quest. Or a Centuri.  "--Bill Eichelberger, 02/22/2022 “Centuri fret buzz in an updated form.” Bill “Wallyum” Eichelberger re: Estes Flutter-By 03 Sept 2014 Last edited by CenturiGuy : 03-01-2009 at 07:32 PM. 
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#2
03-01-2009, 12:38 AM
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Another design from the Creative Mind Of CenturiGuy®...
(Could an alternative name for it be "Tau 4F"?) Seriously, though, it looks good, Jay! MarkII
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Mark S. Kulka NAR #86134 L1,_ASTRE #471_Adirondack Mountains, NY
Opinions Unfettered by Logic • Advice Unsullied by Erudition • Rocketry Without Pity
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#3
03-01-2009, 11:52 AM
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Quote:
I think you used the same fins on all three designs. Perhaps even the ST-13 lower main tube? All are 18mm?
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Craig McGraw BARCLONE Rocketry -- http://barclone.rocketshoppe.com BARCLONE Blogsite -- http://barclone.wordpress.com BARCLONE Forum -- BARCLONE Forum BARs helping BARs SAM 0044 AMA 352635
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#5
03-01-2009, 07:30 PM
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The Naming of the Names...
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Let me spell it out... literally. Tau Zero. Take "ta" and "ze," swap their places, and voila... Zeta. Take Zeta, shake well, and get "azte." Throw in the random letter "c," repeat one you've already used ("a")... and you get Azteca. Believe me, I didn't *consciously* mean to do it! (C'mon, Craig, I'm *sure* you probably looked at the "Comments" section.  )Thanks for playing, everybody!
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Jay Goemmer "Centuri Guy"/"Tau Zero" YORF Member 28 Semroc SAM #0029 NAR 86131 "I think about organizing things all the time. Never seems to happen. I find something that piques my interest and I'm off on a quest. Or a Centuri. "--Bill Eichelberger, 02/22/2022 “Centuri fret buzz in an updated form.” Bill “Wallyum” Eichelberger re: Estes Flutter-By 03 Sept 2014 Last edited by CenturiGuy : 03-01-2009 at 09:41 PM.
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#6
03-01-2009, 07:50 PM
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Bits and pieces of commentary
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I'm beginning to discover that lots of the mindlessly simple 3- and 4NC designs may be really incredibly overpowered, and that would explain why (at least in *my* mind) some of them tend to shred chutes for no obviously apparent reason. Case in point, the Centuri Chuter-Two (or "-2", if you prefer) using Semroc parts... and my ST-13-based 1.48X upscale with *much* nicer deployment velocities. Cheers,
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Jay Goemmer "Centuri Guy"/"Tau Zero" YORF Member 28 Semroc SAM #0029 NAR 86131 "I think about organizing things all the time. Never seems to happen. I find something that piques my interest and I'm off on a quest. Or a Centuri. "--Bill Eichelberger, 02/22/2022 “Centuri fret buzz in an updated form.” Bill “Wallyum” Eichelberger re: Estes Flutter-By 03 Sept 2014 Last edited by CenturiGuy : 03-02-2009 at 09:32 AM.
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#7
03-01-2009, 08:11 PM
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Quote:
Do you folks in Idaho spell Potato with an E?
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#8
03-01-2009, 09:25 PM
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Comments? Urp... You mean, you actually told me what to look for? (Scratching frantically through the digital files to look...) I'm supposed to actually...READ...those comments?  Ahh, well, yes, there they are! (Expression of genuine simulated surprise plastered across my face.) All spelled out and waiting for me, as if they were meant to be there...All along... How about that...?
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Craig McGraw BARCLONE Rocketry -- http://barclone.rocketshoppe.com BARCLONE Blogsite -- http://barclone.wordpress.com BARCLONE Forum -- BARCLONE Forum BARs helping BARs SAM 0044 AMA 352635
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#9
03-01-2009, 09:39 PM
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"I say po-TAY-to, you say po-TAW-to..."
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Nope. Only that Dan Quayle boy. (Or was that Dan *Quail?*) And he wasn't from around here.  (This from the state that Dan Rather[?] described as having the nation's most Republican legislature. Sun Valley makes up for it by having the highest concentration of well-to-do Democrats.)Actually, the only time we spell potato with an "e" at the end is when there's an "s" immediately following that particular "e." Quote:
And *especially* not if it's been mashed. Cheers,
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Jay Goemmer "Centuri Guy"/"Tau Zero" YORF Member 28 Semroc SAM #0029 NAR 86131 "I think about organizing things all the time. Never seems to happen. I find something that piques my interest and I'm off on a quest. Or a Centuri. "--Bill Eichelberger, 02/22/2022 “Centuri fret buzz in an updated form.” Bill “Wallyum” Eichelberger re: Estes Flutter-By 03 Sept 2014
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#10
03-02-2009, 08:18 AM
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Quote:
Jay, if you spin a raw potato on your table top and then stop it suddenly, does it start spinning again when you let go of it like a raw egg does? Hmmm, now I'm thinking of a new NAR competition event: Potato lofting.
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John Thro, NAR #84553 SR I was too old when I started! Now I'll *never* become a BAR!
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