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Fan help

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Fan help

Unread postAuthor: Angry-German » Mon Aug 07, 2006 9:33 pm

Do you think I could move enough air running a 12v fan on 6v's, and would I mess up the fan? if I cant run it on one I have to make room for too 6v batteries (which are pretty big) . the chamber is 15" long and 4" in diameter.
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Unread postAuthor: brumby » Mon Aug 07, 2006 9:43 pm

use 1 9 volt battery, there small and relatively cheap.
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Unread postAuthor: Angry-German » Mon Aug 07, 2006 9:47 pm

thx, it works fine.
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Unread postAuthor: carlbelcher » Mon Aug 07, 2006 10:03 pm

You can't hurt electric motors by using less voltage then they are designed for they will just run slower (or not at all). Now overvolting electric motors on the other hand can easily damage them.
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Unread postAuthor: Collo » Wed Aug 09, 2006 5:14 am

i hooked a 9v battery up to my 12v fan and it is so slow so i am thinking of getting a 12-24v drill battery to get it goin a little better but i will see how it goes because those batteries arent cheap.
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Unread postAuthor: spud man » Wed Aug 09, 2006 9:32 pm

Just hook up two 9v batterys.
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Unread postAuthor: djt » Wed Aug 09, 2006 10:11 pm

i woulnt go much over 12 volts if your planning on keeping that fan for long.
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Unread postAuthor: Collo » Thu Aug 10, 2006 4:26 am

ok i spose it would burn it out but ill see how it goes thx
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Unread postAuthor: dopey » Thu Aug 10, 2006 5:09 am

wot sort of fan is it?? is from a computer or of the shelf
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Unread postAuthor: killagorrila99 » Thu Aug 10, 2006 5:13 am

use a 9 volt there better
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Unread postAuthor: sgort87 » Thu Aug 10, 2006 8:36 am

How about 2 9v batteries in series through a $1.59 <a href="http://www.radioshack.com/product/index.jsp?productId=2062600&cp=&origkw=12+regulator&kw=12+regulator&parentPage=search">12v regulator</a> from Radio Shack?
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Unread postAuthor: Collo » Fri Aug 11, 2006 12:54 am

out of a power pack on a computer :idea:
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Unread postAuthor: Biopyro » Fri Aug 11, 2006 1:51 pm

Use a 9v battery and 2 AAs, that'll give you plenty of power without the need for extra parts
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Unread postAuthor: Collo » Sun Aug 13, 2006 7:54 pm

ok ill give it ago thx :idea:
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Unread postAuthor: VEGEMITEMODDER » Mon Aug 14, 2006 8:17 am

How About an old SLA alarm battery?
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