#621
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2 New designs TAU pi-X, TAU pi-Y
Here's a cheap-n-dirty quickie that I whipped out 2 new designs
I call TAU pi-X, or TAU pi-Y if you use 3 fins. SEMROC Part list Parts for TAU pi-X, -Y 4 BC 523 or 3 BC 523 4 BC 505 or 3 BC 505 1 BC 760 4 ST 530 or 3 ST 530 Use two ST 560 to make 4 ST 530 for TAU pi-X, use one ST 590 to make 3 ST 530 for TAU pi-Y 1 ST 745 1 BR 716 1 ST 1690 1 EM 716 2 SE 12 1 EC 124 1 SCK 24 FMB 34 fin stock Tau Zero nose cone, makes this design look good?
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Andrew Scott M.M.R.G. #00001 L1 N.A.R. #51647 L1 T.R.A. #10404 L1 e-bay. Proving PT Barnum was right Last edited by andrew scott : 09-03-2006 at 01:37 AM. |
#622
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"Tau Pies?"
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Good job, Andrew! Nicely done! 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 |
#623
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Andrew, Jay's Tau nose cone makes a lot of designs look good, even a few of mine... Good work! This should also put us over the 300-plan target I was hoping BARCLONE might reach before December. (For everyone...) Now, with the addition of Andrew to our little asylum of loonies, maybe BARCLONE can reach 400 plans by next...September? Do I dare suggest 500 by next December? Could we reach either of those goals?
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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 |
#624
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Loonie yes , 400 plans before this December. I say go for it
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Andrew Scott M.M.R.G. #00001 L1 N.A.R. #51647 L1 T.R.A. #10404 L1 e-bay. Proving PT Barnum was right |
#625
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Get 'er' Done Boys, JP
James Pierson NAR# 77907 |
#626
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"Pull over to the side of the road! There's a Hysterical Site!"
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--What is this? I give you number 300, and you want *MORE?!?* ...I'm going back to my Mad Rocketeer's laboratory now, so it may *be* a while before you actually see anything new from me... Cheers, and chuckling,
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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 |
#627
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Hysterical Site, eh? You've been looking at my OTHER website again, haven't you? http://www.trainweb.org/bayshorehs
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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 |
#628
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(Ric Ocasek-like voice) "Hysteria, when you're near..."
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Oddly enough, I couldn't come up with any pictures while searching for "historical site." But I just now tracked down the following one, which I've taken pictures of before (upper right corner): http://www.evperry.com/minidoka.html These waterfalls are just upstream (east) from where Evel Knievel "tried to do his thing" 32 years ago on Friday: http://www.visitidaho.org/thingstod...ractionid=30839 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 |
#629
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New Plan -- SmallJet 313
With all of this EnerJet talk and the really cool designs they seem to be, I figured it was time to come up with a "poor boy's EnerJet". This version uses three 13mm A3-4T motors and puts in a respectable 438' altitude. The Dv is less than 15 FPS, and the launch guide length is less than 36", so we're not talking about major launch towers here. I just used 3/16" diameter lugs instead of 1/8" lugs...
Two pieces of SEMROC ST-1380 form the upper body with a BC-1344 nose cone. Three ST-5120 tubes form the motor cores. Fins are cut from 3/32" balsa. No motor hooks, just simple friction-fit with masking tape. Two 16" diameter parachutes bring the rocket back down safely. Enjoy!
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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 |
#630
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Very cool Craig.. I gotta build one!
One idea, for motor retention you could epoxy a short length of say 1/8" threaded rod in the center of the cluster of motor tubes and then use a nut and washer to hold all three motors. That's what I did with my Astron Cobra cluster, but with 3/16" threaded rod. I can provide a photo if anyone is interested.
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Quando Omni Flunkus Moritati |
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