Pump for nano. AKA Low profile magnet driven external pump.

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Impressive. I'd be curious to see a how too video.

Want a real challenge... come up with some that work with 1 1/4" acrylic...LOL My hearing is shot, so I don't worry about noise.
 
Impressive. I'd be curious to see a how too video.

Want a real challenge... come up with some that work with 1 1/4" acrylic...LOL My hearing is shot, so I don't worry about noise.
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Haha, that would be quite easy then. Literally any motor would work, choose a brushless motor that can work under load which spins at ~2000rpm, and pick a couple diametrically poled >5 pound magnets and wha-la, you've got a working powerhead that pushes >2000gph and could work to probably 2" thick tank

If only sound isnt an issue... I guess to some the amount of sound I'm talking about here isnt too big of a deal. (the worst brushless motor spinning at 2000rpm pushing 1500gph will at most deal out 45db.... which is a loud computer fan)

look out Vortech! pretty cool build man!
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Thanks Chichas! You wouldnt believe the amount of time put into such a small project. Its pretty comparable to my actual railgun/coilgun projects. Mainly due to the lack of planning on this project, haha!

Awesome, I'll check this out this evening. Any idea what gph it is giving you?
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Thanks Rob! Definitely take a look later tonight or tomorrow morning when I get a video posted.

Now that you mention it, when this DIY pump is put next to my k-nano, I'd really have to say that it pushes a good 300-350gph at 90% power. It definitely moves more water than the k-nano at 240gph.

I'm currently running it at ~40% power just because with it, I get this turbulence zone right in the middle front of the tank which is perfect because a lot of my corals are placed front and center, which gives them very random water movement.

I'll post a how to thread sometime this week or next. I'll try to cover a wide range of things including... (1) nano tank [50-300gph], quiet. (2) Medium/Large tank [600-2000gph], quiet. (3) Medium/Large tank [600-2000gph] loud. This thread will take me some time though.

My next goal will be to make a 555 chip of some sorts to turn my powerhead on/off every 3 seconds or something along those lines.

Price rundown on finished non programmable, but controllable DIY exterior motor driven magnetic pump:

Motor: 5$ (Probably could get cheaper. Its 3$ online shipped)
Speed controller: 5$
Magnets: 7.50$ (Probably could get cheaper, ~4$ online shipped)
Prop: 4$
Prop shaft: 3$
12vdc power supply: 5$ (I got mine for free because I have so many old cell phones and one of them had a 12v @ 1A charger)

Cost using online vendors: 24$
Cost using local vendors: 30$
 
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