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> Custom Built Wine Racks, Gauging Interest
ChrisFoley
post Jul 13 2015, 10:15 AM
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I designed this free-standing wine rack for myself using stainless steel tubing.
The first one is 8 bottles high by 14 bottles wide for under counter used.
I can easily re-configure for full height by 5 bottles wide.

I'll be building this in the next couple of weeks and will post a picture of the completed unit.

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ChrisFoley
post Aug 26 2015, 02:51 PM
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If you noticed the plastic loops of tubing in the back, those are for the cooling system.
At present I have cold well water trickling through all the bottle support hoops. That is keeping the wine nearly 10 degrees below room temp.

I'll upgrade that to a solenoid operated setup with a thermostat for better efficiency.

I have an even better cooling system planned, one that is good enough to sell with the rack.
It will use a small thermoelectric heat exchanger and a small circulating pump for a closed loop system. The thermoelectric unit will be remotely located so the warm air isn't reintroduced into the storage location.
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ChrisFoley
post Oct 5 2015, 12:59 PM
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QUOTE(Racer Chris @ Aug 26 2015, 04:51 PM) *

I have an even better cooling system planned, one that is good enough to sell with the rack.

I'm currently testing the thermoelectric closed loop cooling system.
The chilling unit I bought is listed as 50W capacity, but I'm actually drawing closer to 150 watts including the controller, transformer, fan, and circulating pump.
First tests were a little disappointing - the lowest temp reached was still above my desired setpoint and the unit was running constantly - but the rack is uninsulated, just protected from air currents. I did install a triple track sliding door with 1/4" birch plywood panels.
I found that by reducing the water flow rate my thermal transfer rate improved and the temp dropped some more.
I added minimal insulation where it was convenient, but still far from what a fully enclosed unit could be.
Now it reaches a lower setpoint (59.5 deg. F) and it holds the bottle temps to about half a degree variation.

The next step will be designing the cooling system to be compact and as an integrated part of the product.
I'm ready to build a fully enclosed rack next, with double glazed panels and a better prototype chiller attached.
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