07-16-2008, 03:59 PM
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BARCLONE Rocketry
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Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,357
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New Plan -- Iapetus
Borrowing something from James Pierson here... 
This design is "Saturn-like", with similarities to JP's Tranquility models. I'm using smaller tank tubes (and more of them), along with a 24mm mount for taking an E9-6. More powerful RMS-type motors could also be fitted with the proper delays, though I haven't simulated them.
The D12-5 has too high a Dv (over 30 FPS), so don't use it.
E9-6......1700'......Dv 19 FPS......48" x 3/16" rod
Important note: Yes, the tank tubes have to be trimmed just a little to fit them onto the ST-9 core tube. Cut a wedge out of each tube to allow the tanks to fit closer to the core, and so that all 10 fit inside the ST-16 tubes. Since the tank tubes are just for show and are not functional, they should also be plugged at the top to prevent deployment gasses from escaping.
Enjoy!
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