08-24-2008, 11:35 PM
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Incurable SEMROC Fan
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Join Date: Mar 2005
Location: Twin Falls, Idaho, USA
Posts: 2,319
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New ST-18 Design -- Brutus
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Originally Posted by CPMcGraw
Now, wrangle up an ST-18 design, something simple will do, using a single 13mm, capable of ~125' with a low Dv. Streamer recovery is acceptable.
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Okay, here you go, Craig.  
So much for 27 fps qualifying as "low Dv" (probably not, but I gave it my best shot).  
I started out with a 9" long tube and a BC-1828, and kept adding nose weight (even an SE-14 and some WL-7 nose weights during the process), but that didn't really help things.
This basically ended up looking like a slightly more brutal Big Bertha variant, so I called him "Brutus." 
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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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