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Old 03-17-2012, 10:23 PM   #571
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Originally Posted by Ohio-Ed View Post
Looks good, but I do have a question.

What are your thoughts on how you will drain the pump when you're finished?

Ed
right now the pumps sit on the rail but on not welded on. I could always switch the position of my camlock to be right after the first 90 bend from the pump inlet side. Good points guys. Have used the copper pump version for so long I forgot that I alwasy lift that pump and dump it. If we want to go perm. we will have to consider taht


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Old 03-18-2012, 09:28 PM   #572
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Some pictures of the rig and the armature! + pump shroud with pump installed.
Starting to look pretty good Cidah let me know when you need those flakes!


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Old 03-18-2012, 11:40 PM   #573
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Starting to look pretty good Cidah let me know when you need those flakes!
Just did a rebrew on the partial system today - was awesome.... This rig is making brewing almost too easy!
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Old 03-19-2012, 11:59 AM   #574
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Originally Posted by bruin_ale View Post
Good point, I didn't really notice the inlet curves.
While it may be slightly more convenient to hook up that way, a bunch of 90 degrees before the inlet isn't a great idea anyway - it can provide some input restriction that makes it harder to keep the pump primed.
just to let you guys know about the 90 degree bends, they worked great. I had read a lot about how they weren't ideal due to restriction, but I am convinced that is a myth based on yesterday's results. No cavitation issues even during the boil. I think what I may do is simply relocation the camlock, or keep the pumps free on the rig so I can lift them up to dump out excess water.
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Old 03-20-2012, 06:21 PM   #575
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A note to myself - R4.3 for 1'' of reflectix and the high temp wool. (will post some shots later of my uber insulated lids later).

So I bought some of the mcmaster 1'' thick high temp wool, 1/2 inch foam rubber, 3/4 inch foam rubber and heck I had to get some more reflectix to preserve shiny on a budget. Plan is to use:

HLT: (9349K3)3/4'' foam rubber + 3M contact adhesive 80 + reflectix

MT: 1'' high temp wool + 3M contact adhesive 80 + reflectix

BK: 9328K41(9349K2)1/2'' foam rubber + 3M contact adhesive 80 + reflectix

All the lids will get 1'' high temp wool backed with reflectix. This should protect the reflectix from early break down and also help increase the r value of the insulation that I am adding. I have already put the high temp wool on the lids and the foam rubber on the MT. Will be using those this weekend and with any luck some photos and some results. I have already brewed with just the lids done, and there was a noticeable difference.

Overall goal here will be to, eventually, test the capability for the 5500w elements to boil X volume in a well insulated pot.

The 3M 80 Spray works VERY well on the reflectix and foam rubber, will report back on the fiberglass to the reflectix. I tried to separate a test piece of the foam rubber and the reflectix and the foam rubber ripped instead of peeling. The adhesive has a heat tolerance of "over 200F", which it should never see since the foam rubber itself should never get that hot.

I wanted to try the various materials and see how they stack up against each other. The HLT and MT should be well insulated to help the mash and heat retention processes they support. Where the BK needs moderate insulation that is removable for chilling after a batch. I hope to accomplish this with hook and loop.

Fiberglass:
Pros - works really well. Has 1200operational temp. Probably all you would ever need for insulation value in a brewing situation. CHEAP!
Cons - needs to be sealed up so particles don't float into your brew. So you need to in the least buy reflectix, or flashing, etc. and seal it up with aluminum hvac tape. Might not stand up to add removal from the pot.

Foam Rubber:
Pros - Flexible and could be put on and taken off repeatedly with no wear issues, can stand up to required boiled temps (be in contact with kettle)
Cons - somewhat expensive (vs. fiberglass).

Jury is still out on how well it insulates... though I am sure it will work well, especially in the 3/4-1'' sizes.

Reflectix:
Pros - compact, water resistant, flexible, shiny, moderate cost. Good to use as a backer for foam rubber or fiberglass.
Cons -rated to no more than 180F operational use, will break down quickly over time.

UPDATE FROM TESTING
FINAL CONCLUSIONS:
1. For ebrewers, in general the foam rubber is the way to go (3/4''-1''). For my kettles the foam rubber in the 3/4'' size performed very well. I might consider going up to the 1'' inch for my MT when I replace the fiberglass. I do think at this point the insulation returns will be somewhat diminished as you increase in size after that (you get your best bang for buck with 3/4'' to 1'').

2. While the fiber glass works very well from an insulation perspective, it needs a lot of protection to stand up to the rigors of brewing, including an accidental puncture of the reflectix, etc. I would recommend using it for megapot style recessed lids at the most. Using it for the sidewall insulation is a PITA when compared to the ease of use/installation of the foam rubber.
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Old 11-14-2012, 01:27 PM   #576
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Default Final herms build photos with vent

I thought I should add my final layout (well sorta, there are still a few mods I am sure I will make). Let's call this the 95% version:

Some full shots of the rig that are pretty self explanatory. You can see in the last photo I have added a splash guard switch to control the stir motor and it's cooling fan as well as a switch for the ventilation hood.
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Old 11-14-2012, 01:29 PM   #577
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and some more:
Close ups of the stir motor/fan and vent hood switched along with views of the stir motor paddle, swing arm and herms coil set up.
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Old 11-14-2012, 01:32 PM   #578
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and a few more:
Mash Tun set up and vent hood. I found that I only need a vent hood for the BK and having a large one for the entire rig is not needed. I did add a weeping hole to the fan and a piece of plastic water line for an ice machine. It dispels any water that collects in the fan and pushes it out down to the drain.
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Old 11-14-2012, 01:35 PM   #579
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the last few shots:
here are shots of the 60 amp load center with two 30amp 2pole GFI breaks. I also ran the lines out in some conduit and made a splash guard to cover the outlets and protect them. I love rock climbing so the spalsh guard got an "ode to the gunks" look.
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Old 11-14-2012, 10:44 PM   #580
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Love the climber when ever my system gets done it goes into the room with my climbing wall! Climb On!


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