Spike Brewing 12.5 Conical Fermenter Giveaway - Enter Now!

Home Brew Forums > Home Brewing Beer > DIY Projects > My ridiculously easy stir plate build - nearly no tools needed!

Reply
 
LinkBack Thread Tools
Old 07-15-2010, 01:09 AM   #1
camiller
Feedback Score: 0 reviews
Recipes 
 
Join Date: Apr 2007
Location: Omaha, NE
Posts: 1,882
Liked 28 Times on 28 Posts
Likes Given: 9

Default My ridiculously easy stir plate build - nearly no tools needed!

I'll skip the obvious stuff that is covered in multiple threads already. If you haven't already read Anthony's excellent http://www.homebrewtalk.com/f51/my-stirplate-cheap-easy-build-86252/

First is my fan in the enclosure I selected. The box contained these foam'ish inserts from it's previous life. During my testing the fan ran pretty good without even being attached, I just hot glued it to the foam Heck elmers glue would probably work. This configuration left the magnet about 0.5 below the top of the box when closed, which seems to work pretty good for my stirbar.





I dremeled out a notch for the cable from the fan when the box is closed. Could have easily used a wood file, or less easily a fingernail file. Or for that matter heated a nail on a stove burner and burned the notch.



I opted to use a variable power supply I had laying around. Voltage is switchable from 1.5-12 volts in 1.5 volt increments (excluding 10.5v).



Looking at the tip of the power supply I realized that the pin diameter was about the same as the pin in the molex connector on the fan so...



The rubber band pulls the connector over to make contact with the next connector completing the circuit. I wasn't really satisfied with the rubber band solution though and since the tip is removable (the power supply originally came with a variety of tips) and the fan also had the standard three pin motherboard connector so version two of the connection was born



It requires a little fineness with a pair of pliers and a couple bits cut from a paperclip. There are small kinks in the wires to make them snug in the larger openings of the power supply and a bend in one of the wires to make it line up with the middle wire on the fan connector. Obviously with exposed wires hanging out of the end of the power supply like that you won't want to plug it into the wall unless it is plugged into the fan first.



And the money shot. This is running at 9v (stirbar gets thrown at 12v) when I run it at 3v it pulls the dimple down about one inch. At 1.5v the fan stalls out.



If you made it this far thanks for taking the time to read.

__________________

Last edited by shecky; 04-27-2012 at 05:09 PM. Reason: requested by OP
camiller is offline
 
Reply With Quote Quick reply to this message
Old 07-15-2010, 01:12 AM   #2
wyzazz
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2009
Location: Atwater, OH
Posts: 4,263
Liked 39 Times on 39 Posts
Likes Given: 48

Default

Nice! One of these days I'll have to get me a fancy flask for my stirplate.

__________________
Quote:
Originally Posted by Revvy View Post
And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)
wyzazz is offline
 
Reply With Quote Quick reply to this message
Old 07-15-2010, 02:54 AM   #3
Jewrican
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2008
Location: GA
Posts: 895
Liked 4 Times on 4 Posts
Likes Given: 10

Default

love it.

where did you get the box from? Would we be able to get one from somewhere?

__________________
JewRican Brew Works
Jewrican is offline
 
Reply With Quote Quick reply to this message
Old 07-15-2010, 09:34 PM   #4
camiller
Feedback Score: 0 reviews
Recipes 
 
Join Date: Apr 2007
Location: Omaha, NE
Posts: 1,882
Liked 28 Times on 28 Posts
Likes Given: 9

Default

Quote:
Originally Posted by wyzazz View Post
Nice! One of these days I'll have to get me a fancy flask for my stirplate.
In hindsight I almost regret buying the flask. I should put up a pic of my alternative. it is a flower vase like this one. With the one I have one Liter fills it to the widest part which leaves a lot of surface area for o2 absorption. When I get a chance I'll post a pic of it running with the vase.
__________________
camiller is offline
 
Reply With Quote Quick reply to this message
Old 07-16-2010, 01:18 AM   #5
wyzazz
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2009
Location: Atwater, OH
Posts: 4,263
Liked 39 Times on 39 Posts
Likes Given: 48

Default

Hmmm, time to raid SWMBO's flower vase collection.

__________________
Quote:
Originally Posted by Revvy View Post
And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)
wyzazz is offline
 
Reply With Quote Quick reply to this message
Old 02-11-2011, 03:01 AM   #6
Snowhere
Feedback Score: 0 reviews
Recipes 
 
Join Date: Nov 2010
Location: Buena Vista, Colorado
Posts: 176
Default

Nice and easy! I may have a free stirplate from my dad's photography lab coming if my mom can find it. If that is not found I will build my own like yours.

__________________
Snowhere is offline
 
Reply With Quote Quick reply to this message
Old 02-14-2011, 08:35 PM   #7
camiller
Feedback Score: 0 reviews
Recipes 
 
Join Date: Apr 2007
Location: Omaha, NE
Posts: 1,882
Liked 28 Times on 28 Posts
Likes Given: 9

Default

Quote:
Originally Posted by Snowhere View Post
Nice and easy! I may have a free stirplate from my dad's photography lab coming if my mom can find it. If that is not found I will build my own like yours.
Thanks for your kind comments, I would have replied sooner but I'm just back at a computer since some minor surgery last week.

The one thing I would add is that originally I thought the magnet would be strong enough to stick to the washer without help, but ultimately the magnet began to drift a bit, so I had to use a little glue to make sure it stays centered.
__________________
In Nebraska? Nebraska Brewers Group
My Club OmaHops Homebrew Club

Put yourself on the Homebrewers Map see the forum thread

My ridiculously easy stir plate buildMy Kegerator
camiller is offline
 
Reply With Quote Quick reply to this message
Old 02-14-2011, 09:47 PM   #8
rekoob
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
rekoob's Avatar
Recipes 
 
Join Date: Feb 2011
Location: Norfolk, VA
Posts: 887
Liked 33 Times on 28 Posts
Likes Given: 2

Default

love it, i made mine about two years ago... come to think of it i think i hot glued it to the enclosure too... just used it last week for a mead starter... still works GREAT.... nice job.

__________________
rekoob is offline
 
Reply With Quote Quick reply to this message
Old 02-15-2011, 04:19 AM   #9
Thundercougarfalconbird
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2010
Location: , GA
Posts: 783
Liked 22 Times on 18 Posts
Likes Given: 26

Default

Is there a cheap fan you'd recommend? I don't really have one laying around >_> and they're still cheaper than buying a plate.
Then I've got a 1 gal jug I use for starters, would this be acceptable on the plate?
And finally, would I need a case or could I get away with gluing the fan to thin sheet of plastic(I'm thinking a hunk of a CD case)

__________________

The best beer I ever made was the next one I brew.

Thundercougarfalconbird is offline
 
Reply With Quote Quick reply to this message
Old 02-15-2011, 04:50 AM   #10
HItransplant
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2010
Location: Portlandia
Posts: 1,030
Liked 6 Times on 5 Posts
Likes Given: 6

Default

great design,

where did the magnet come from?

__________________
Quote:
Originally Posted by BlindLemonLars View Post
It's comfort foam. :D
Quote:
Originally Posted by EdWort View Post
It's a gentle recipe, so your first time will be enjoyable and memorable. :D
HItransplant is offline
 
Reply With Quote Quick reply to this message
Reply


Quick Reply
Message:
Options
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
DIY Stir Plate, Stir Bar attracted to mounts littlejon326 DIY Projects 5 03-13-2011 02:12 PM
LM317T vs rheostat....stir plate build (cheap!) ekjohns DIY Projects 17 07-14-2010 06:23 PM
Stir plate build question powerslave73 DIY Projects 2 06-16-2010 03:38 AM
My take on the simple stir plate build. azscoob DIY Projects 3 02-07-2010 04:11 PM
DIY stir plate super easy!!!! 67coupe390 DIY Projects 17 11-12-2007 04:14 AM