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  #41  
Old 02-21-2010, 08:52 PM
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CPMcGraw CPMcGraw is offline
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Quote:
Originally Posted by Carl@Semroc
Has anyone done a Rocksim file for the Centuri Orion?


Carl,

I seem to have one of these sim'd up, from back in January 2007. I thought they had been posted here... somewhere...

I'm looking them over now, and it's obvious they were done pre-RS9. I'll rework the pods and post the file tonight...
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  #42  
Old 02-21-2010, 08:54 PM
Ltvscout Ltvscout is offline
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Quote:
Originally Posted by tbzep
I doubt it since it was a stable kit, but that leads me to wonder why you would need it. Might you be getting ready to do something?

What do you think? It is in my logo, isn't it?
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  #43  
Old 02-21-2010, 09:22 PM
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Carl@Semroc Carl@Semroc is offline
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Quote:
Originally Posted by CPMcGraw
Carl,

I seem to have one of these sim'd up, from back in January 2007. I thought they had been posted here... somewhere...

I'm looking them over now, and it's obvious they were done pre-RS9. I'll rework the pods and post the file tonight...
Craig,

I have attached a working file. It includes the new BC-2031 which is a balsa replacement for the original balsa and paper cone. It is a little more complex than the original or the plastic cones. I also have the BC-711 cones on a pod.
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File Type: rkt Orion-new.rkt (32.5 KB, 63 views)
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  #44  
Old 02-21-2010, 09:23 PM
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Quote:
Originally Posted by Ltvscout
What do you think? It is in my logo, isn't it?
Looks like free advertising for someone.
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  #45  
Old 02-21-2010, 09:42 PM
Ltvscout Ltvscout is offline
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Quote:
Originally Posted by Carl@Semroc
Looks like free advertising for someone.

Ya, and since it appears Ray has fallen off the face of the earth, you may as well put out that Skydart as well!
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  #46  
Old 02-21-2010, 11:33 PM
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CPMcGraw CPMcGraw is offline
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Carl (and all...),

Here's a simulation run for the RKT file you posted earlier. I finished it up with fins and what-knots...

--Data Specs--

Weight: 3.47 oz
Length: 22.624"
Empty margin: 8.86


B6-2.......157'......Dv 19 FPS......60" launch guide
C6-3.......447'......Dv 30 FPS......60" launch guide
D10-5.....1057'......Dv 22 FPS......24" launch guide


Note the launch guide requirements. It needs at least a D (or a core-burner C) to get off the pad cleanly.
Attached Thumbnails
Click image for larger version

Name:  SEMROC Retro-Repro Orion 2D.jpg
Views: 65
Size:  101.6 KB  Click image for larger version

Name:  SEMROC Retro-Repro Orion 3D.jpg
Views: 71
Size:  49.4 KB  
Attached Files
File Type: rkt SEMROC Retro-Repro Orion.rkt (114.7 KB, 58 views)
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  #47  
Old 02-21-2010, 11:41 PM
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FWIW...

The earlier plan I mentioned was from 2007, and it did not work. The sim would continuously NAN out on me, meaning there was something about the configuration that RockSim was crashing on. However, I managed to use the fins and pod supports from that file to finish this one.
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  #48  
Old 02-22-2010, 12:13 AM
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When the .010" thickness of the wrap is entered, it drops to about 39" rod. Strange. Now I am just going to have to build one!

Thanks Craig for all your work on this. Sure saved me a few hours.
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  #49  
Old 02-22-2010, 07:50 AM
Rocketcrab Rocketcrab is offline
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Quote:
Originally Posted by tbzep
I doubt it since it was a stable kit, but that leads me to wonder why you would need it. Might you be getting ready to do something?


We can only hope!!!
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  #50  
Old 02-22-2010, 08:59 AM
Vanel Vanel is offline
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Launched my Orion clone yesterday on a B6 -2 with a moderate breeze (~5 mph), using a standard 3' rod. Nice straight trajectory, with an altitude just over 100'.
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