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| DofeAssediedy | Date: Monday, 11.12.2012, 2:58 AM | Message # 1261 |
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Group: Guests
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| Boymnanda | Date: Monday, 11.12.2012, 4:17 AM | Message # 1263 |
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Group: Guests
| You're attempting whats known as a cluster launch. If by 9 volt you mean the standard little transistor radio battery probably not. You have several issues to address. First off unless they're AAA engines with 6 engines your rocket will be above the reccomended weight limit, but I'll assume you're aware of that and not mention it again. The typical problem with a cluster launch is to get all the engines to ignite at the same time. Normally a cluster is 3 and in my experience about 30-40% of the time at least 1 fails to ignite, The problem with 6 is your engines are getting further from the rockets centerpoint which means if any of the "outer engines" fail to fire the trust will be unbalanced and the flight path chaotic. With all that being said, when I started with model rockets in the 70s we frequently launched with 6, 9 or 12 volt lantern batteries and at times would even draw the launch current from the batter of the car we drove to the launch site. You can easily make your own launch system with some power cord (I suggest at least 20ft), aligator clips and a doorbell button. Note the lack of an "armed" light and safety key found on the modern systems. Be sure the cables are disconnected from the battery when connecting the clips to the ignitors for the rocket engines. If you do fire this thing off be sure to have some place to dive for cover because there is no guarentee all the outer engines will fire and the resulting flight can be very dangerous.[Added when the asker gave more info]<br />Ahh, on a skateboard makes a big difference. Are you attempting to power the skateboard by itself or with someone on it? If someone is going to be on it don't expect much, rocket engines are mean to move a lightwieght rocket fighting just gravity and air resitance add in the inertia of a person and it doesn't have much force, unless you're using amuteur rocktry engines and not model rocket engines in which case you wouldn't want 6. If you plan to have someone on it don't forget to have a blast shield in front of the engines so nobody gets burnt when the parachute ejection charge goes off, or next stage ignition charge is you're using boosters.Pyromaniac Report Spam/Abuse<br /> http://theblanchlawfirm.com/index.p....0Crimes http://www.agoravox.it/Diritti-gay-Italia-sempre-piu.html http://www.agoramagazine.it/agora....le=9029 http://en.wikisource.org/w....dlink=1 http://pendleton.bookoo.com/tellfri....4055886 http://orendfm.ru/forum/profile.php?mode=viewprofile&u=42387 http://www.rosult.info/spip.php?page=forum&id_article=116&id_forum=114 http://nefarioussqqj.blog126.fc2.com/blog-entry-16.html http://lakenheath.bookoo.com/tellfri....5934566 http://www.chronowiki.org/w....dlink=1
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| tachurcesee | Date: Monday, 11.12.2012, 4:53 AM | Message # 1265 |
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Group: Guests
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| Styncscereken | Date: Monday, 11.12.2012, 6:25 AM | Message # 1267 |
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Group: Guests
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| vmgtekltjz | Date: Monday, 11.12.2012, 1:18 PM | Message # 1273 |
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Group: Guests
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