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16-11-2019, 07:13
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By this point London Stout was being brewed single-gyle. Unless you count London Oatmeal Stout a separate beer. It was the first time that it hadn’t been part of a parti-gyle since WW I.

The reason was simple. Porter was discontinued the previous year. As was Extra Stout, a beer brewed for the Belgian market. When they decided to brew Mackeson single-gyle, there was nothing left for London Stout to be parti-gyled with.

Other than a 0.5º drop in gravity, there’s no real difference from the previous year’s version. The ingredients in the grist, and their proportions, are near as dammit identical.

The hops are slightly different: Whitbread Mid-Kent from the 1940 and 1941 harvests, plus some rather old New Zealand from 1938.




1941 Whitbread London Stout


pale malt
7.25 lb
75.05%


brown malt
0.75 lb
7.76%


chocolate malt
0.75 lb
7.76%


flaked oats
0.08 lb
0.83%


No. 3 invert sugar
0.50 lb
5.18%


caramel 1000 SRM
0.33 lb
3.42%


Fuggles 75 mins
1.00 oz



Fuggles 30 mins
0.75 oz



OG
1042



FG
1011.5



ABV
4.03



Apparent attenuation
72.62%



IBU
21



SRM
38



Mash at
149º F



After underlet
152º F



Sparge at
170º F



Boil time
75 minutes



pitching temp
62º F



Yeast
Wyeast 1099 Whitbread Ale





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