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Old 08-02-2010, 02:11 PM   #1
shortyjacobs
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Default (New?) Idea for locking out taps

The two ways I know are:
a) tap locks, which are spendy and from reports don't work all that well, (if you pull, they still dispense)
b) put a lock on fridge, and pop off liquid lines each time you finish pouring a beer, (which seems like a helluva lot of work).

I figured this could help some people.

First, lock your kegerator so no one can get into it. A padlock and simple latch from Home Depot will do the trick.

Second, get yourself an ignition switch. I found this one on Ebay for just a few bucks: http://cgi.ebay.com/ebaymotors/Ignition-Switch-Scooters-ATVs-and-Go-Karts-New-_W0QQcmdZViewItemQQhashZitem3f01a8f01bQQitemZ27061 0788379QQptZOtherQ5fVehicleQ5fParts#ht_4032wt_912

Then, grab one of these for each tap you have, and install it in the beer line:

http://cgi.ebay.com/1-4-Electric-Solenoid-Valve-12-volt-Air-Water-BBTF-/300447718592?cmd=ViewItem&pt=LH_DefaultDomain_0&ha sh=item45f4145cc0#ht_2178wt_835

It's a 12 VDC solenoid activated valve with 1/4" NPT fittings. Attach a few barbs to it and install it inline on each beer line. These run $20 each, but that's no more than the cost of the tap locks.

Finally, grab a 12 VDC power supply....this one is 4 amps, meant for a laptop, and runs only $13, and will run 8 of those valves.
http://cgi.ebay.com/12V-DC-Power-Supply-4-Amp-12-Volt-Adapter-LCD-4A-Dell-/380254862017?cmd=ViewItem&pt=LH_DefaultDomain_0&ha sh=item5888f4bac1#ht_3052wt_1061

Way I figure it,you install a valve in each beer line, connect them in series parallel (thanks sawdustguy) to the laptop power supply and the ignition switch, and install the ignition switch on the outside of the fridge.

When you want a beer, insert your key and turn the ignition on. All the valves open up, and all the taps are live. When you have your pours, turn off the ignition and pull your key, and all the taps go dead. Easy Peasy. What do you guys think?

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Last edited by shortyjacobs; 08-02-2010 at 05:58 PM.
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Old 08-02-2010, 02:21 PM   #2
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YEARS ago, when the Internet was a little baby, I read a page about some guy who put a webcam on his kegerator with some facial recognition software. The kegerator would take a photo of each person as they came up to tap a pint. The system used a system similar to what you're describing to lock out people who'd had one too many as preset by the admin at the begining of the night.

I've thought about doing this same thing as I'm planning my kegerator since we have a little one (seven months old). It's only a matter of time before he's walking and grabbing tap handles.

You build it first and let me know how it works.

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Old 08-02-2010, 03:04 PM   #3
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Quote:
Originally Posted by shortyjacobs View Post
Way I figure it,you install a valve in each beer line, connect them in series to the laptop power supply and the ignition switch, and install the ignition switch on the outside of the fridge.
Shorty, if I am not mistaken you will need to connect the valves in parralel.
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Old 08-02-2010, 03:08 PM   #4
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Quote:
Originally Posted by Sawdustguy View Post
Shorty, if I am not mistaken you will need to connect the valves in parralel.
Doh.
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On tap - Big Dog, Apfelwein, Steppe 112 PA

My invisible AG sculpture, with no actual sculpture and a tiny footprint.
My Kegerator goes offroading!
My Coors Home Draft dispenser for boating/beering on the go.
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Old 08-02-2010, 03:09 PM   #5
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Why not use just one valve on the CO2?

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Old 08-02-2010, 03:14 PM   #6
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Why not use just one valve on the CO2?
You could...but it'll still pour, (a full pint even if the keg is starting to near empty), and then the bastard pouring it will make the remaining beer go flatter due to the lower pressure in the headspace...
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Aging - None :-(
On tap - Big Dog, Apfelwein, Steppe 112 PA

My invisible AG sculpture, with no actual sculpture and a tiny footprint.
My Kegerator goes offroading!
My Coors Home Draft dispenser for boating/beering on the go.
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Old 08-02-2010, 03:19 PM   #7
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I have to say, that's just about THE COOLEST way to lock/unlock taps I've seen yet. wish I could afford/have the knowledge to do stuff like that!

cheers

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Old 08-02-2010, 03:20 PM   #8
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I have thought about using a BlueTooth proximity circuit. That would only come on if my phone was within 30'.

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Old 08-02-2010, 03:44 PM   #9
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I have thought about using a BlueTooth proximity circuit. That would only come on if my phone was within 30'.

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Old 08-02-2010, 05:33 PM   #10
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Clever, simple (I'm an EE - this is simple), and effective. Good idea.

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