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  #11  
Old 02-01-2013, 12:01 AM
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rokitflite rokitflite is offline
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I built a 4 stager once, pretty cool. C6-0 to C6-0 to C6-0 to C6-7. I think the first stage kicked off at 20 feet in the air. I got it back but the 3rd stage did not separate and the sustainer burned through it... Now its a 3 stage model.
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  #12  
Old 02-01-2013, 11:58 AM
jflis jflis is offline
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Quote:
Originally Posted by gpoehlein
This is starting to look like a challenge for Fliskits...


Yeah, yeah, yeah....

Well, I DO have a 4 and a 5 stage design in my note book... . Both have flown just fine (and I have a Box full of boosters to prove it LOL) however I can't see putting either of them into production for several reasons:

Very expensive (lots of balsa wood...)
Reliability issues to contend with
Cost of a launch (lots of motors...)
Cost of replacing the model after nearly every flight after loosing sight of it after boost ... Lol

I am not aware of any problem launching such a rocket at a NAR sanctioned launch, or under the terms of the NAR insurance, as there isn't a violation to the safety code. You couldn't use it in competition, but that's a different issue all together...
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  #13  
Old 02-01-2013, 09:09 PM
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Randy Randy is offline
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This may be somewhat outside of the original question but I have seen George Gassaway do what amounts to a 3 or 4 stage rocket with a couple of his boost gliders. He simply chad staged multiple slow burn rocket engines on one of his gliders by taping them together in a string BUT I'm pretty sure it was one of his own scratch built designs., not a factory designed/produced kit.

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