Nice custom build you've got there! Here's my answers to your questions:Thanks for sharing the pictures, I am going to order one for my Wort Hog / Spike Solo set-up, and try to sell the spike basket. Would you please answer a few questions?
1. How do you recirculate the wort over the grain bed with this system? I use the port on the basket now.
2. How much clearance between the kettle and the basket did you leave?
3. Related to 2, did you add the resting feet, or just use some Z clips like the Clawhammer basket?
I have a Blichmann boil coil so my legs will need to be different. This is my set-up.
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1. How do you recirculate the wort over the grain bed with this system? I use the port on the basket now.
I have the Spike steam lid and I have it play double duty and use it during the mash as well. I bought a Tri-clamp to female NPT fitting and bought some loc line tubing ( Loc-Line | The Original Modular Hose ). It's super modular so you can build it out however you want. See pics below
2. How much clearance between the kettle and the basket did you leave?
Honestly just enough room for water to spill out incase I have a stuck mash. That was my main concern/complaint about the Spike basket in that if you end up with a stuck mash, the wort has nowhere to drain back down to the element. It happened once to me and I scortched the element and that was the day I started shopping for a mesh basket. I guess you could potentially drill some overflow holes in the spike basket but that limits the amount of grain you can then put in it. The dimensions I ordered were: 15in Diameter, 14in Height, 5in Feet (with rubber bumpers) and the 400micron screen size. It works fantastic and only think I'd have changed was probably do height of 12-12.5 because with the rubber bumpers the basket sits well above top of my kettle, and with the bumpers off It's barely above it. Doesn't affect my brewday at all except maybe a little heat loss during mash, but since I'm recirculating I don't care. If anything it allows me to completely max out the amount of grain I can put in the mash if I ever want to (I won't want to lol).
3. Related to 2, did you add the resting feet, or just use some Z clips like the Clawhammer basket?
No resting feet. I have a big game pully system similar to yours. I usually just hoist the basket like 2 inches above surface of the wort and let it drain then just pully it the rest of the way out and slide a big rubbermade container under it and bring it to the ground. Then let it continue to drain while I start to bring the wort to a boil and if I haven't hit my pre-boil volume I bought a 14" Stainless frying pan lid from webstaurantstore.com and I use it as a press plate to press the grain bed and get as much wort out of it as I can, then dump that into my kettle to hopefully hit my pre-boil volume.