| Rocket v2 [message #59122] Sun, 23 December 2012 14:07 UTC |
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My latest 3D print. My mini rocket. The SPRO MKII, a redesign of my last one. With launch guide in the fin and easy loading/reloading system. So far untested. My aim was to make the smallest, lightest, most aerodynamic rocket I could. Weighing a total of 8.5 grams.
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| Re: Rocket v2 [message #59124 is a reply to message #59122 ] Sun, 23 December 2012 14:41 UTC |
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Hi there,
looks good. But if you want to save more weight you could just have 3 fins, with the added benefit that the rocket would always be stable no matter how flat the launch surface. But I guess the launch guide takes care of this latter point.
Good luck and happy launchings
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| Re: Rocket v2 [message #59292 is a reply to message #59122 ] Fri, 28 December 2012 09:43 UTC |
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I might eventually go for 3 fins but for stabilitys sake ill start with 4 until im sure it flys well:)
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| Re: Rocket v2 [message #59354 is a reply to message #59292 ] Sat, 29 December 2012 23:51 UTC |
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I don't know anything about model rockets, or real rockets for that matter, but have you thought about modeling in a curve to the fins to induce spin? Similar to rifling on a bullet? Might help to stabilize it in flight, though you would probably have to experiment with the rate of twist. Looking forward to seeing this one fly when you post a video.
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| Re: Rocket v2 [message #59805 is a reply to message #59354 ] Mon, 07 January 2013 21:19 UTC |
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Now that's cool. Looking forward to its maiden voyage.
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