#11 in Electric motors
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Reddit mentions of uxcell DC 12V 15RPM 6mm Shaft High Torque Turbine Worm Geared Motor
Sentiment score: 2
Reddit mentions: 2
We found 2 Reddit mentions of uxcell DC 12V 15RPM 6mm Shaft High Torque Turbine Worm Geared Motor. Here are the top ones.
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Product Name: Geared Motor; Rated Voltage: DC 12V; Output Speed: 5000/15RPM;No-load Current:40mA; Rated Torque:3kg.cm; Rated Current:300mA;Stall Torque:10kg.cm;Motor Rotary Speed: 5000RPM; Motor Pins Numbe: 2; Gear Box Shaft Speed: 15RPMBox Shaft Size: 6 x 14mm/ 0.24" x 0.55"(D*L); Female Thread Diameter: 2.5mm/ 0.1"; Motor Body Size: 30 x 25mm/ 1.2" x 1"(L*Max.D)Gear Box Size: 45 x 30 x 25mm / 1.8" x 1.2" x 1"(L*W*T); Main Color: Gray;Main Material: MetalWeight: 143g; Package: 1 x Geared Motor
Specs:
So - here's a pic (kind of rough but you get the idea) here:
http://imgur.com/RA0FmY1
the center is a flat piece of something (rigid, cardboard, whatever) and then mount the motors (in opposite directions). Those are then connected to the power-packs (makes it easy to turn on and off and allows you to have counter-directional rotations).
Motor:
https://www.amazon.com/15RPM-Shaft-Torque-Turbine-Geared/dp/B00EDMIH7E/ref=sr_1_1?ie=UTF8&qid=1494449133&sr=8-1&keywords=12v+15rpm
Power switch:
https://www.amazon.com/Pair-Battery-Holder-Storage-Switch/dp/B00FHJTOVU/ref=sr_1_6?ie=UTF8&qid=1494449495&sr=8-6&keywords=9v+battery+pack
You could then encase that in your center section, extend the motor drive shaft (a dowel, etc.) A lot of this depends on how large the fins are going to be and how heavy the material they are made of (light vs heavy). Hope this helps as an idea.
your in luck, I'm looking at 4 arduinos right now and literally just did some arduino coding yesterday :).
So I actually used something like these for color changing leds,
https://www.sparkfun.com/products/11450
Basically you just give them power and they change automatically. I gave them paper wings but that's not necessary. So what I would do is get a bunch of those and wire them up on some fishing wire. Not sure if that would be ideal though, hmmm.
Regarding motor, you can use anything really. Here's one,
http://www.amazon.com/15RPM-Shaft-Torque-Turbine-Geared/dp/B00EDMIH7E/ref=sr_1_3?ie=UTF8&qid=1416102606&sr=8-3&keywords=gear+motor
But I'd honestly stay away from motors to start, it makes it too complicated. At least a motor with strings, because it's fragile and you have to worry about people touching them.
Another very cool effect is bouncing laser pointers off of mirrors. You can do some cool stuff with a laser pointer and a package of these http://www.amazon.com/Round-Mirror-Craft-Projects-Mosaics/dp/B0028BVL2A/ref=sr_1_12?ie=UTF8&qid=1416102750&sr=8-12&keywords=small+mirror.