First Gun

Post questions and info about safe and unsafe materials that can be or should not be used to construct a launcher. Also post things about different universal accessories for your cannon (breech loader, muzzle break, etc.)

Postby utcpyro » Mon Jul 03, 2006 5:56 pm

*blinks* Um, a 60mm fan will fit in 3", and a 80mm fan in 4".
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Postby SpudMonster » Tue Jul 04, 2006 9:07 pm

<blockquote id="quote"><font size="1" face="tahoma,verdana,arial" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by utcpyro
[br]*blinks* Um, a 60mm fan will fit in 3", and a 80mm fan in 4".
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

Yes, but even though an 80mm fan would fit in 4" SCH-40, MAYBE he wants room to spray the propellant into the chamber?
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Postby jwkhs21 » Wed Jul 05, 2006 5:08 pm

Well, I called a local computer store and asked for the old computer fans.....he said the smallest they had was a 40mm and it wouldnt fit in a 3". W/e, i dont care because I'd rather have a bigger barrel with a sabot...and be able to shoot cooler things.
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Postby DriftingRz » Thu Jul 06, 2006 4:24 pm

i made a meter on my gun for about $20-30, cheap easy and works,

<img src="http://i6.photobucket.com/albums/y224/DriftingRz/Hobby%20related/3fe3e641.jpg">

<i>Edit: changed forum code to HTML.
<b>-Freefall</b></i>
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Postby TurboSuper » Thu Jul 06, 2006 4:40 pm

Even if the fan takes up the whole chamber you will still be able to spray fuel in. Just aim between the blades. If the fan is too far in, turn it on while you're spraying.

Or, yeah, get a propane injection system.
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