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-   -   My Stirplate... Cheap and Easy Build... (http://www.homebrewtalk.com/f255/my-stirplate-cheap-easy-build-86252/)

sprocketmaker 07-08-2010 03:02 PM

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I read this thread, and decided I can build a stirplate! Easy right. HA!
I already have an old hard drive for the magnets, and several 12 volt wall chargers, all i need is a fan. So I asked my IT guy at work for a 12 volt fan, and he gladly obliged. Got it home and went to wire it up, and I got 4 black wires (see pic). Now I'm not a retard, nor am super proficient with electrical, but every fan pic I see online, has red and black wires... Most of the pics on this thread have red and black wires... so why would I get the one with 4 black wires. I'm assuming I have a positive, a ground a control and something else... anyone have any clue which is which, or should I just scrap it and get another fan.

I striped back the wires on an old cell phone charger, and did the test meter touch and go on every terminal on the 4 pin connector, and nothing.


sprocketmaker 07-08-2010 03:43 PM

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Quote:
Originally Posted by NoNothing View Post
With 4 wires the hot and neg will be paired. They should be on the outside as in +-xx or xx+-. At least, being in IT myself that has been my experience.
Thanks for the responses... I just found this Pin Out Diagram, which seems to confirm your advise, so I'll give it another try tonight.

Cheers!

jtkratzer 03-12-2011 04:05 AM

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It will dip down and hit the stir bar occasionally.


jtkratzer 03-17-2011 07:05 PM

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15 hours on the plate with about a liter of water, 100 grams of DME, and 55 ml of WLP400 yeast slurry.


jtkratzer 03-26-2011 04:29 AM

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Quote:
Originally Posted by jtkratzer
15 hours on the plate with about a liter of water, 100 grams of DME, and 55 ml of WLP400 yeast slurry.
I meant to post the picture from one hour later, I guess I forgot. Here it is. Also found out those 1/2 gallon jugs work on this as well.

oregonparamedic 03-31-2011 04:20 AM

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Just finished mine. Can't wait to try it out!


Kegerator 04-05-2011 02:24 PM

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I built this project over the weekend with stuff I had around the house, I only had to buy a box to put it in and a stir bar.


Kegerator 04-05-2011 02:24 PM

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I built this project over the weekend with stuff I had around the house, I only had to buy a box to put it in and a stir bar.


sils13 04-19-2011 01:24 AM

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Mine workin great! This thing is awesome!! Lol


BeerMike 04-25-2011 10:19 PM

my stir plate
 
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So this is my final product. I really liked this thread. The first post is what helped me the most.

I had an old computer fan that actually came with a potentiometer that turned off also. The fan is SILVERSTONE FM123 120mm Case Fan. I accidentally snapped one of the fins so i just took them all off.

For magnets I used Magcraft NSN0575 3/8-Inch by 1/4-Inch Rare Earth Disc Magnets which are a little stronger (8lbs each).

Then I got lucky for the power supply. I had an old router power adapter at 12V and 0.5 Amps, exactly what the fan used, so I just wired that directly.

The box was also from Radioshack, but I went with the slightly larger one (8x6x3) for the fan and the 2L starters. Then used a grommet for the wire going inside and some rubber feet on the bottom.

I assembled it almost the same as the first post but I have the fan mounted to the larger structure. I didn't want holes in the lids. I used washers inside to help minimize how much the bolts stuck out. And the rubber feet raise it enough to prevent scratching.

In the picture I have it running at near full speed with bubbles flying everywhere , but I doubt I'll need to run at that speed with the starters.



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