Whats going on with the Efficiency Calculator?

[Droopy brew]

AS the title suggests.
Brewed a WCIPA on the weekend and set eff to 80%. This gave me 1.066 SG with 11.6kg grain in 50L wort.

I undershot so was trying to adjust the efficiency to get the correct SG in the recipe. So I set it at 70%- 1.064, and thought that's too high.
So I set it at 60%- 1.062- definitely not right.
Dropped it to 10%, still getting 1.050- just ridiculous.

What has Brewers Friend done to their efficiency calculator because it aint working?

 

[Yooper]

AS the title suggests.
Brewed a WCIPA on the weekend and set eff to 80%. This gave me 1.066 SG with 11.6kg grain in 50L wort.

I undershot so was trying to adjust the efficiency to get the correct SG in the recipe. So I set it at 70%- 1.064, and thought that's too high.
So I set it at 60%- 1.062- definitely not right.
Dropped it to 10%, still getting 1.050- just ridiculous.

What has Brewers Friend done to their efficiency calculator because it aint working?

It sounds like a problem with the calculation of the ppg of the grain. Can you post a link to the recipe so I can dig into it?

 

[Droopy brew]

Sure...
https://www.brewersfriend.com/homebrew/recipe/view/1356296/wcipa

Creating another recipe today as well which is way off. PPG looks right for the grains on question.

 

[Droopy brew]

Now it's worse. 9kg grain in 46L at 80% is showing 1.059 OG.
Change eff to 2%and it is still 1.059.

 

[Yooper]

@Pricelessbrewing
At first I couldn't recreate this at all, but with continuing to copy and edit and save the recipe, I am occasionally able to recreate and the OG gets 'stuck' at one of the first few OGs.

I believe it has something to do with the fermentables here. For all of my recipes, in my account, this does not happen.
For example: 80% of one of my recipes:

60%:

 

[Yooper]

tagging @Pricelessbrewing as I know it's in the settings but have tried for a long time to figure it out.

 

[Pricelessbrewing]

I'm pretty sure I found the issue, being the "mashed" property on your basemalt, @Yooper @Droopy brew


When a grain is not mashed, it's treated as if it is 100% efficient like a late addition of sugar more or less.

 

[Pricelessbrewing]

Once that setting was checked, the recipe shows as 80% efficiency giving 1.056 which seems correct to me based on the ingredients provided.

 

[Droopy brew]

Once that setting was checked, the recipe shows as 80% efficiency giving 1.056 which seems correct to me based on the ingredients provided.

That makes sense, thanks I'll go in and check all of those.