Beer Butler , Cans, Bottles Or On Tap With Built In Chiller

Ok so lots of air holes here. After the holes were finished I wallowed them out like a venturi. This increases airflow to the fan. Basically the next step is cutting spacers and mounting the grate with a couple screws. Then hooking up the fan...

Alright after the appropriate adult beverage I started back work on the booze bot. I used a cutting disc to cut a line all the way around the interior liner . This must be removed because the attached metal has direct exposure to the chilled section. It would let heat in like a giant heat sink.

Ok foam won. I filled the lower end of the sides and bottom of the beer robot body with another can of great stuff foam insulation from DOW. That's 10 dollars worth or three cans if your counting. I was going to just use a solid foam sheet to cover the bottom but there's no point in more work as this is made to do the job I'm asking of it. I made a video and posted to YouTube. I meant to say water speeds up the process and drops cure time in half but I said it doubles it on accident at first in the video. Sorry about the gaff!

https://www.youtube.com/watch?v=FfM6iF8WoYg&feature=youtube_gdata_player

Tiny update , this stuff expanded a great deal. I'm only concerned I put in too much at once because I don't want the inside to deflate and be mush. If I must I will buy one more can for touch ups. I poked lots off holes with a long knife with hopes it would allow air into spots that otherwise would not have hardened. What I've learned is it's probably best to avoid getting it deeper than 4 or 5 inches then dry and add more.

Lastly tonight I used the silicone caulk and sealed up the edge all the way around the chiller heatsink and around the drip pan edges. I don't want this to leak condensation in any way unless it's on purpose. My phone was dead so I couldn't do a video for that. To touch in the video I talked about the fans im using and considering raising the voltage to them to at least 16 volts if not up to 24 volts. The pc fans are 12 volts from the manufacturer. At 12 volts the fans produce about 18 db which unless your ear is 5 inches away is practically silent. This is due to the larger 120mm size and sickle blade style which produces the most volume with the least noise.

After sitting 6 hours it appears to have hardened up. I believe the holes poked allowed air to get past the outside skin so the inside could cure. Next is to use the dremel and a carbide drum bit to clear out the excess foam because it expands way past where I want insulation to stop. Hopefully all the foam hardened and everything is peachy. Worse case scenario I cut it back and need to make touch ups. As far as the base I'm getting a Roomba 4xx series I believe from Fred /robotmaker. He is doing a battery mod on it so I can run it from a regular 12 volt battery instead of needing a special roomba battery. Hopefully he will be able to get this out today as the time to start fitting the case onto a motorized base is right around the corner. Other things I can do if the base is not here yet.

1. are venting the back of the case for the 120mm intake and exhaust
2. fit a servo in the chiller to raise the lid
3. Add some leds to light up the drinks.
4. Customize the lid by cutting the mount off the small lid and glueing it into the inside of the larger lid. If I place some weather strip in the gap I should be close to an airtight seal when the lid is closed. I just don't want chilled air to float away. 5.I have considered placing a near silent blower fan in the lid itself facing downwards just to keep the warmer air pushed to the bottle.( warmer will be at the top) the blower that came with the igloi cooler I got the parts from seems like it will work well and it's OEM so it's made for the environment I'm putting it in.