Anyone know of a good gap setting for a barley crusher?

msa8967 · Jul 29, 2013

I loaned out my barley crusher to a new all grain brewer and when I got it back the gap setting had been changed. Just one of the reasons why my brew day ended up with 60% efficiency.

Does anyone happen to know of a good gap setting on the barley crusher for BIAB? I had it written down on a piece of paper taped to the bottom of the crusher but that is gone too.

BOBrob · Jul 30, 2013

I have .034 set for mine. you may like it tighter for BIAB. as tight as you can get it for wheat and mill wheat twice for a good crush. at .033- .034 I hit 85% on average. Cheers :mug:

raysmithtx · Jul 30, 2013

I set mine to the thickness of a credit card, about .034 then I double crush.

Works great for me.

msa8967 · Jul 30, 2013

Thanks....I don't have any feeler gauges but I will slip the credit card in there (without the raised type) and give it a go.

Clanchief · Jul 30, 2013

The default from factory is .039. I set mine to .035. Also, I highly recommend getting some feeler gauges. I picked mine up at Sears for like $6 or something, and it's much more precise than using a credit card. Small price to pay for what can end up being a better efficiency level in your brew.

msa8967 · Jul 30, 2013

Is your setting of 0.035 used for traditional mash tun brewing or BIAB?

Clanchief · Jul 30, 2013

I did it when I was doing BIAB and for my full out mash tun now. When I was BIAB'ing it, I would double crush, now I single crush and I'm fine.

unionrdr · Jul 30, 2013

I have the Barley Crusher mill & do PB/PM BIAB in my 5 gallon SS kettle. I use the factory lash of .039" & it works great. compared to what I was doing. My OG's are def up a few points as a result. The notches on the roller adjusters is for the factory .039" setting. It worked really well on my PM Berlin Wheat kits as well.

ShootsNRoots · Jul 30, 2013

I've had good luck adjusting the gap until I get a proper crush. It's not really gap specific, IMHO.

MaxStout · Jul 30, 2013

I use a MM2 (set at factory to .045) and I moved it in to .039. I suppose I could tighten up a bit more, but I get a good crush and very good efficiency with BIAB, so I'll leave it where it's at.

And another vote for getting a feeler gauge set. Takes out the guesswork, and makes it easy to check for parallel.

raysmithtx · Jul 30, 2013

I used a micrometer to measure all my credit cards. They were all between .033 and .035. Credit card companies all adhere to the same size requirements.

Francus · Jul 30, 2013

I use .030 on mine and have no issues with a stuck mash. I don't double crush. I usually get high 80's for efficiency.

Anyone know of a good gap setting for a barley crusher?

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