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New ORK File -- Centuri Starlifter
This has not been fully "tweaked" for accuracy where the fins are concerned. The fin shapes are identical to the Estes Javelin, and I'm thinking Estes simply recycled the pattern after the merger. Use my laser patterns to get a set.
Tube diameters are accurate (I think), and lengths are guesstimates (the overall length is correct, at least). Uses ST-7 and ST-8. Length: 17.00" A8-5......271' B6-6......525' C6-7......957' Dv numbers are not available in the current version of OpenRocket, so I can't tell you based on these simulations how hard the deployment really is. I'll have to follow this up with a few RockSim runs to get the final data. Also, neither 2D nor 3D imagery is available yet. Program's still got a long road to travel. But, this shows some of what you can do with OpenRocket now. 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 |
#2
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After changing the motors to A8-3, B6-4 and C6-5 I get deployment velocities of about 15, 8 and 15 fps (just reading off the plot of the vertical motion vs. time graphs of the flights). With the A and C these are deployments just before apogee, but of course they are also with nominal delays.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE |
#3
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Cool. Thank-you.
Here is one of my rockets (I built and flew it first, then made it in Open Rocket) A very nice flying rocket.
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John Adams "There is a lot of rocketry under 20ns" |
#4
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Quote:
That's not bad. Previous experience with this "class" of design suggested those delays were too long, but without the Dv feedback, I couldn't be sure. The B6-4 seems to be the 'sweet-spot' engine. A B4-4 might give similar results.
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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 |
#5
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Quote:
I guess we might start using OR a bit more... Thanks for sharing this.
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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 |
#6
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Quote:
Good call. Deployment about 1/4 second before apogee at about 5 fps.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE |
#7
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If someone can send me the icon file for OR I can use it here in VB to associate it with the uploaded .ork files.
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Scott D. Hansen Ye Olde Rocket Shoppe - Your One Stop BAR Shoppe! Ye Olde Rocket Plans - OOP Rocket Plans From 38 Companies! Ye Olde Rocket Forum WOOSH NAR Section #558 |
#8
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Thanks to Ironnerd for sending me the link for thge ORK icon file.
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Scott D. Hansen Ye Olde Rocket Shoppe - Your One Stop BAR Shoppe! Ye Olde Rocket Plans - OOP Rocket Plans From 38 Companies! Ye Olde Rocket Forum WOOSH NAR Section #558 |
#9
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Here are the 064 and 256 versions (64x64?...256x256?). The 256 appears to be the clearest...
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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 |
#10
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Quote:
Ironnerd beat you to it.
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Scott D. Hansen Ye Olde Rocket Shoppe - Your One Stop BAR Shoppe! Ye Olde Rocket Plans - OOP Rocket Plans From 38 Companies! Ye Olde Rocket Forum WOOSH NAR Section #558 |
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