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Vantec Tornado

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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Vantec Tornado

Unread postAuthor: mark.f » Wed May 19, 2010 5:19 am

I don't think there's much contest between this fan and the generic kind you get from Radioshack/Best Buy/etc. This thing draws 0.9 amps and puts out about 87cfm of airflow (although neither have been confirmed by myself).

I'm still not sure whether two 9v's in series can even source 0.9 amps continuously, so I guess I need to get a better multimeter (step #1 for a lot of things) and check.

Anyways, here's a simple video. Should be clear enough...

<div align="center">[youtube]http://www.youtube.com/watch?v=6VM3C-7rzdg[/youtube]</div>
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Unread postAuthor: MrCrowley » Wed May 19, 2010 5:38 am

Wow haha, I think that puts out twice the CFM of my 120mm fan :P
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Unread postAuthor: Davidvaini » Wed May 19, 2010 12:46 pm

I have actually had experience with this fan. The fan actually sometimes outputs more than the rated 87cfm. The fan comes in two sizes, 80mm and 92mm. the 92mm outputs 119cfm.

Both fans however are thicker than your every day fan's of the same size. normal fans are around 25mm thick.. these vantec tornadoes are around 38mm thick. so plan for that if you are going to use one.

They also sound like vacuum cleaners and are very very loud.


On a side note.. there is also the Scythe ULTRA KAZE, which is like the vantec tornado.. but 120mm and produces 133cfm.
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Unread postAuthor: mark.f » Wed May 19, 2010 2:35 pm

Yeah, 80mm seems about the maximum size most people use (for 4" chambers), but of course with larger you can use 120mm.

The thickness is accounted for. Thanks.

Also, I hope you guys liked my torque demonstration. Made sure it was on a smooth surface so you'd notice. :D
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Unread postAuthor: SpudBlaster15 » Wed May 19, 2010 5:43 pm

Nice demonstration. The next time I build a combustion cannon, I'll be sure to pick one up.
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Unread postAuthor: Moonbogg » Wed May 19, 2010 7:06 pm

Thats what i'm packing in my cannon and I LOVE IT. It mixes instantly and vents faster than sh*t. I use 8 AA batteries for the fan alone. Being a 12v fan it gets the full juice its supposed to straight from the 8 AA's (1.5v x 8 = 12v) and they actually last a long time. Good job and congrats to stepping up to the big leagues! Now you blow just as hard as anyone else here :lol:
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Unread postAuthor: Moonbogg » Wed May 19, 2010 7:07 pm

Thats what i'm packing in my cannon and I LOVE IT. It mixes instantly and vents faster than sh*t. I use 8 AA batteries for the fan alone. Being a 12v fan it gets the full juice its supposed to straight from the 8 AA's (1.5v x 8 = 12v) and they actually last a long time. Good job and congrats to stepping up to the big leagues! Now you blow just as hard as anyone else here :lol:
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Unread postAuthor: mark.f » Wed May 19, 2010 8:06 pm

Alright, the info's in.

Power Source: 12V Gel-Cell (more than capable of sourcing an amp or more)
Peak current (startup): ~1.6 amperes
Running current: ~0.95 amperes

Power Source: A pair of 9 volt cells, in series, run through a 12V regulator
Peak current (startup): ~1.1 amperes
Running current: ~0.72 amperes


Looks like I'm going to have to find another power source for my cannon. While it still delivers a lot of airflow at .7 amps, I also have to run a stungun off this circuit as well (trashed my camera flash/CDI coil circuit). Two RC packs (9.6V) in series sounds promising...
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