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whistle rockets are more powerfull to bp rockets


val77

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I watched videos of 24mm whistle rockets and they climbed a 500 to 600 meters easily!

 

I've never seen black powder rocket up to this altitude

 

which would mean that the whistle rockets are more powerful to bp rocket ?

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Of course whistle rockets are more powerful than BP. I really don't know why or how you'd think otherwise. A 3lb whistle rocket that you're describing can very easily make it to 1000 meters if not more. 500-600 meters is a poorly build 3lb rocket, or has a heavy header on it. I've seen many BP rockets easily hit this level as well. 1000m really isn't an accomplishment. Hitting 2000m is more challenging, but I see it done on a regular basis.
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I have had 1 lb BP rockets with only a salute header hit about half a mile (800m), and those weren't even the best rockets out there. I've seen one pound hybrid (whistle / BP ) rockets go well over a mile (1600m)

 

To answer your question, yes whistle rockets are much, much more powerful than BP.

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Here's a measurement of (I think) a 1 inch whistle rocket taken on the Acme test stand at PGI last summer. The traces show it could easily push a header weighing 2 pounds to a height over 2000 feet. A black powder motor the same size would have less than 20% of this impulse.

 

post-10245-0-57701500-1358401877_thumb.jpg post-10245-0-42121800-1358401889_thumb.jpg

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Easily? no. There are some special compositions and tooling that are potentially capable of it, but a standard whistle rocket will just sit there or at least not rise to a safe height more than likely.
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