On Fri, 14 Mar 2003 14:17:55 +0100, Henrik Schultz <[EMAIL PROTECTED] software.dk> wrote:

This is rather lengthty, but I am really serious, so if you have the time to read it, I'll be most grateful.

I better stop here now. I guess this is more than enough for one mail ;-)
Again, your comments and thoughts are highly appreciated. This is a
wonderful forum!!

This isn't really a "how-do-I-build-a peroxide-rocket" forum, but you're definitely on the right track with your questions. If you haven't read Sutton yet, do that; from the sound of your questions, it won't give you any trouble. After that, you should read Huzel-Huang, but you should get enough from Sutton to start serious design.


A couple peroxide-specific comments: the 50% peroxide/kerosene rocket barely works, and even then only because it uses a pyrotechnic slug as an igniter (and the slug is so big relative to the liquid fuel load that it's almost a hybrid). Catalytic decomposition, which most peroxide rockets use for ignition heat, doesn't produce enough heat to ignite kerosene. 70% will ignite with kerosene, but you'll still need an igniter. 86% is good enough for monoprop, if you can get it without tin and phosphate stabilizers; they poison the catalyst. If you can't get untstabilized, you can burn it as a biprop with kerosene, but again you'll need an igniter.

-R

--
Randall Clague
Government Liaison
XCOR Aerospace
[EMAIL PROTECTED]
661-824-4714

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