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Unread 04-04-2013, 03:58 PM   #1
Kaerbu
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Question Airflow inflated props? (Small, powerful battery fans?)

Cosplay: Luigi + Poltergust 5000

Basically what I am looking to do is make a small, custom version of one of those inflated lawn decorations you see around holidays.

I think I've found the fabric to use (Ripstop nylon) but I have no idea what kind of fan to use or how to go about powering whatever fan I can get. Does anyone have any tips?

Thank you!
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Unread 04-04-2013, 07:23 PM   #2
DollFacedDude
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Just curious, how big are you thinking of making the ghost? I doubt you're going to make it exactly to scale, since the ghost in the picture is like, as big as Luigi. Are you thinking like... 1 foot, 2 feet, 3 feet...?

It's a great idea, btw.
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Unread 04-04-2013, 07:32 PM   #3
animenerd93
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the issues i forsee are cords and noise. if ur ok w a little bit of noise there are cordless battery operated fans to blow up air mattresses
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Unread 04-04-2013, 07:45 PM   #4
DollFacedDude
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Oh, nice idea. I forgot about those things.
I'm assuming if cords are needed she'll contain the cords within the poltergust prop.
If you want something smaller, a 'personal fan' or a computer fan may do the trick.
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Unread 04-04-2013, 08:46 PM   #5
verdatum
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The type of fan really doesn't matter all that much. It takes surprisingly little energy to inflate those things. But I gotta agree that the inflators for the areobed type air matresses will probably be your simplest solution. They are quiet, compact, efficient, not too expensive, and available at any big-box store.

PC fans are a good alternative. They are generally rated for 5V DC, but it's pretty safe to overdrive them to 6V using 4 1.5V batteries. You just buy a battery-box from Radio Shack, or cobble one together. The larger battery you use, the longer battery life you'll get. Solder the connectors to the box if at all possible. If you just try to twist or tape the wires together, it probably won't survive the entire cosplay without needing to fiddle with it constantly.
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Unread 04-05-2013, 07:56 PM   #6
Kaerbu
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Thanks for all the tips, guys!!

DollFacedDude: I'm thinking 2-3 feet--as big as I can make it while it is still functional. And yeah I'd be hiding any hardware in the poltergust's body (and thanks for the compliment! I'm pretty excited for this idea)

animenerd93: Great idea! I think we even have one of those (and damn are they noisy) but noise shouldn't be too much of an issue unless the con has some rules against it.

verdatum: Really? I was thinking about using an old PC fan I have but I wasn't sure if it would be strong enough. Thanks for that info!

Hopefully I'll be done in time for AX. See you there if you're attending!
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