The RIMS tube actually arrived a couple days ago. Assembled it today and fixed a couple chronic leaks. Running a heat test now. Stole the controller from my fermenter fridge for the test. Water temperature was 75F at 1820. Currently 1850, and water temperature is at 114F. Got 5 gallons +/- in the system. The hoses, pump, and RIMS hold about a quart. Anticipating temperature to reach 120F set point in another 5 minutes or so. Heat cycle is definitely logarithmic.
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RIMS clamp is homemade. Had everything else I needed except one 1/2” stainless close nipple. Found one at Lowes.
Bloody casters I put on the table wussed out when I tried to move the table with the nearly full kettle on it. Back to the drawing board for mobility.
Gonna need a good heavy cord to feed this rig. My roll up is getting pretty warm. The pump doesn’t draw much, but the heater sucks about 10A.
Probably gonna have to do something about contact with the RTD for the InkBird, too. Kettle thermometer says 134F, stick thermometer says 140F, Inkbird says 118F. Gonna get a 4th opinion before I start tweaking stuff.