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Article #20256

Re: 9-volt / rocket launcher?

#20256
From: Otero
Date: Mon, 26 Dec 1988 03:32
19 lines
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> How can I use a 9-volt battery and other componentsx
>   to heat something up enough that I can light a fuse with it?

Hmmm, what you need is a high-power output to a high-temperature
source. A 9-volt probably will not do it, unless you get really 
cute. See, the power output is limited by the maximum current
out of the battery, which is limited by the internal resistance
of it. 9-volts are very low current devices. 

The nichrome igniters used by rocket hobbyists is probably your
best bet: it heats up very hot, very fast, and lasts long enough
to ignite most rocket engines. Get the ones with the blob of
flammable stuff in the middle, they work better.

What are you trying to ignite, anyway?
-- 
			Nico Garcia, Engineer, CIRL 
			Mass. Eye and Ear Hospital
			raoul@eplunix
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Message-ID: <680@eplunix.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!husc6!think!eplunix!raoul
References: <2557@ddsw1.MCS.COM>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!husc6!think!eplunix!raoul
From: raoul@eplunix.UUCP (Otero)
Newsgroups: sci.electronics
Subject: Re: 9-volt / rocket launcher?
Summary: Rocket-launchers
Message-ID: <680@eplunix.UUCP>
Date: 26 Dec 88 03:32:57 GMT
References: <2557@ddsw1.MCS.COM>
Organization: Eaton-Peabody Lab, Boston, MA
Lines: 19