No problem. I find 40 pounds of ice in 30 or so gallons of water works to bring a batch from 190ish post whirlpool to 54 or thereabouts. That's for a half barrel batch with very warm ground water. Might give you a starting point.
Yeah, that's my feeling as well. I think some people just get fixated on a number.
I have a black lager that seems to hit it's stride as it warms a touch.
So, I was recently chatting with a friend and he mentioned that he was upset that his kegerator was pouring at 40f rather than the 36f or 38f he was accustomed to and certainly not the 34f he had it set to.
This got me to thinking, a dangerous thing, and I wondered; what is the human ability...
So years ago, I brewed a batch with little to no tech. It wasn't period specific but the method was a mix of primative and improvised.
Here's the thread. Maybe it'll inspire you.
Primitive/Improvised Methods Beer
I cover it just to keep stuff out of it. I've done large batches where the cover just consists of newspaper or cloth. Certainly, you don't need a cover depending on your environment. I frequently do this in my 'Arizona Room' so a cover keeps the birds, bugs, etc out. It's not necessary for...
They won't heat at the same rate depending on how you heat it. I snapped the bolt head off of my grain mill. I was able to get a hold of a piece of it but not enough to turn it. I heated the exterior and then was able to unscrew it with what little bit I was able to grasp.