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Search: Posts Made By: mdwilson
Forum: Automated Brewing Forum 08-26-2014, 05:30 PM
Replies: 7
Views: 340
Posted By mdwilson
There is a 1" copper male pipe fitting that is...

There is a 1" copper male pipe fitting that is silver soldered to the bottom of the mash tun. It is also reinforced with a copper washer that is silver soldered to the bottom side of the mash tun. ...
Forum: Automated Brewing Forum 08-24-2014, 10:42 PM
Replies: 7
Views: 340
Posted By mdwilson
I did batch sparge on my first batch. Just dump...

I did batch sparge on my first batch. Just dump water over the top of the filter.

When the mash is over the wort returns to the brew kettle through the pump which is now turned off. It doesn't...
Forum: Electric Brewing 08-24-2014, 01:35 AM
Replies: 22
Views: 3,961
Posted By mdwilson
I've been following your build. Have you had a...

I've been following your build. Have you had a run of the first system yet? How did it go?
Forum: Automated Brewing Forum 08-24-2014, 01:17 AM
Replies: 7
Views: 340
Posted By mdwilson
I calculated 73%. I got 1.063 OG into the...

I calculated 73%. I got 1.063 OG into the fermenter with 5.3 gal of wort from 13 lbs of grain.
I did do a 1.5 gallon batch sparge with hot tap water to reach my target boil volume.
Forum: Automated Brewing Forum 08-23-2014, 07:34 PM
Replies: 7
Views: 340
Posted By mdwilson
Revised 2-vessel system

I decided to bling-up my 2-vessel experiment http://www.homebrewtalk.com/f235/reverse-flow-2-tier-2-vessel-system-407244/ and replaced the plastic bucket and BIAB bag with a stainless steel kettle...
Forum: Automated Brewing Forum 09-17-2013, 04:10 AM
Replies: 13
Views: 1,400
Posted By mdwilson
You could use a liquid level switch just above...

You could use a liquid level switch just above the heating element ( if you have room between the false bottom and the element).
Like this: http://www.usplastic.com/catalog/item.aspx?itemid=100829
...
Forum: Automated Brewing Forum 08-31-2013, 11:20 PM
Replies: 18
Views: 2,880
Posted By mdwilson
Hi Sudz, Getting a little off topic. I have...

Hi Sudz,

Getting a little off topic. I have a similar system (two vessel with flow from the bottom) with a bag in a bucket over my electric fired boil kettle. I have been playing with it and it...
Forum: Automated Brewing Forum 06-05-2013, 07:37 PM
Replies: 3
Views: 1,765
Posted By mdwilson
I did do another batch. This time with about...

I did do another batch. This time with about 12lbs of grain. The stainless carraige bolt held the false bottom in place fine. I'm still perfecting the setup though. I added a copper elbow,...
Forum: Automated Brewing Forum 04-25-2013, 04:14 AM
Replies: 3
Views: 1,765
Posted By mdwilson
Well I tried a second batch and double crushed...

Well I tried a second batch and double crushed the grains.
I also went for broke and had the system start the process while I was at work. Luckily I had it start about 1/2 hour before I came home,...
Forum: Automated Brewing Forum 04-25-2013, 04:03 AM
Replies: 3
Views: 1,765
Posted By mdwilson
Reverse flow 2-tier 2-vessel system

I wanted to share my latest modification to my single-vessel BIAB system. I basically added a second vessel (mash/lauter) that is fed by my electric brew kettle with reverse circulation from the...
Forum: Electric Brewing 03-15-2013, 05:33 PM
Replies: 12
Views: 1,341
Posted By mdwilson
I've been getting right at 70% on my system. ...

I've been getting right at 70% on my system.
I've only brewed about 3 batches on it so far (SG of 1.041 - 1.056).
I do double crush the grain and I do "warm water" sparge with about 1 gal. of hot...
Forum: Electric Brewing 03-13-2013, 04:53 PM
Replies: 108
Views: 53,060
Posted By mdwilson
Hi A.C. You shouldn't need to change...

Hi A.C.

You shouldn't need to change anything in the code to use an SSR in place of the logic level FET.
I have not made any changes to the code from what was posted.

I have brewed a couple...
Forum: Electric Brewing 03-08-2013, 05:31 PM
Replies: 12
Views: 1,618
Posted By mdwilson
I just pushed all of my coils closer together...

I just pushed all of my coils closer together toward the bottom and I rest the chiller on top of the heating element.
Forum: Automated Brewing Forum 02-28-2013, 05:38 PM
Replies: 18
Views: 2,880
Posted By mdwilson
I put mine at the same height as the heating...

I put mine at the same height as the heating element (about 1.5" from the bottom) at a location on the back side that was farthest away from the element. If I were to do it again, I would put it on...
Forum: Electric Brewing 01-03-2013, 04:06 AM
Replies: 23
Views: 3,081
Posted By mdwilson
I did exactly as you suggest. 1.25 hole saw in a...

I did exactly as you suggest. 1.25 hole saw in a drill press with a 2x4 as back up held in drill press vise and kettle clamped to the 2x4. It worked perfectly.
Forum: Electric Brewing 12-11-2012, 05:56 PM
Replies: 18
Views: 1,963
Posted By mdwilson
[QUOTE=biertourist;4670605]?? Are contactors not...

[QUOTE=biertourist;4670605]?? Are contactors not the standard prescription when using SSRs? -The second bit of your recommend assumes that there's a brewery-style 3 way switch that could deal with...
Forum: Electric Brewing 12-11-2012, 04:19 AM
Replies: 18
Views: 1,963
Posted By mdwilson
I don't see why you would need the contactor. ...

I don't see why you would need the contactor. You could use 2 SSRs and a two way switch to select one of the SSRs (on the low voltage side).

How are you driving the SSRs? The PIDs could get...
Forum: Electric Brewing 12-11-2012, 04:05 AM
Replies: 108
Views: 53,060
Posted By mdwilson
I found that pin 3 of the DS18B20 had become...

I found that pin 3 of the DS18B20 had become shorted to the thermowell which is connected to ground. The Arduino and DS18B20 are floating, so it does not affect their operation functionally, but...
Forum: Electric Brewing 12-09-2012, 05:08 AM
Replies: 108
Views: 53,060
Posted By mdwilson
Not a bad idea on the pump during boil, but mine...

Not a bad idea on the pump during boil, but mine is a BIAB set-up. I close the spiggot and disconnect the pump and hoses right when removing the malt.

I did find the pump rest issue, and fixed...
Forum: Electric Brewing 12-04-2012, 01:28 AM
Replies: 108
Views: 53,060
Posted By mdwilson
I have forked the code on github (at least I...

I have forked the code on github (at least I think I did). Here is the link:
https://github.com/mdwilson/braumiser-controller
I swapped the output pins for the buzzer and pump, so you will want to...
Forum: Electric Brewing 11-28-2012, 05:46 PM
Replies: 108
Views: 53,060
Posted By mdwilson
I used a ribbon cable with DIP header on one end...

I used a ribbon cable with DIP header on one end to connect my LCD to my controller board. I built the system around a protoboard and used a logic FET
to control a 12V solar pump.
...
Forum: Electric Brewing 11-20-2012, 04:33 AM
Replies: 108
Views: 53,060
Posted By mdwilson
I went ahead and modded the code, just because I...

I went ahead and modded the code, just because I had time while I'm waiting for the pump to arrive. I've modified it so that once the set point temp is reached in the boil stage or when setpoint is...
Forum: Electric Brewing 11-17-2012, 02:27 AM
Replies: 108
Views: 53,060
Posted By mdwilson
using a topsflow pump from US solar pumps. I...

using a topsflow pump from US solar pumps. I don't know if I can control it with PWM because it has internal electronics. I'll find out.
Forum: Electric Brewing 11-15-2012, 03:02 AM
Replies: 108
Views: 53,060
Posted By mdwilson
Hi Matho, Thanks for all of the hard work on...

Hi Matho,
Thanks for all of the hard work on the Brauduino. I have just completed build on a system using your code. I was planning on a system similar to the High Gravity BIAB system, but with an...
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