Wednesday, 20 February 2013

Tetley Stout 1858 - 1896

Yes, you guessed it. I'm continuing to be lazy. Putting Tetley's Stout under the microscope is even less effort than looking at their Porter.

Why's that? Because I'm struggling to find London Stout to compare it with. The Tetley's Stout is just too weak. It was rare for a London Stout to dip below 1070º. After a bit of searching I managed to find a set of Truman Stouts that aren't too different in gravity.

The hopping is the first thing to jump out. It's clear that Tetley dropped the hopping rate considerably after 1858. And that after this date is was much less heavily hopped than Truman's Stout. Both started at over 13 lbs per quarter, but Tetley dropped to 7.5 lbs. There was a reduction in the hopping rate at Truman, but to a much lesser degree, still being 11 lbs per quarter in the 1890's.

The degree of attenuation was mostly lower at Tetley, often below 60%. 65-70%, as at Truman, was more typical in London.

As most of the boil times are missing for Truman, I can't really say much about that. The one that there is, shows a generally similar pattern to the boils at Tetley.

I think there can be little doubt that Tetley's Stout would have tasted quite different to Truman's. We'll discover just how different next time when we look at the grists of these beers.


Tetley Stout 1858 - 1896
Year Beer Style OG FG ABV App. Atten-uation lbs hops/ qtr hops lb/brl boil time (hours) boil time (hours) boil time (hours) Pitch temp max. fermen-tation temp length of fermen-tation (days)
1858 SP Stout 1071.7 1024.4 6.27 66.02% 13.89 4.08 1.5 2 º 68º 8
1858 X2P Stout 1066.2 1021.6 5.90 67.36% 13.89 3.77 1.5 2 º 68º 7
1868 X3 P Stout 1068.4 1030.2 5.06 55.87% 8.00 2.16 1.5 2 2 65º 66º 6
1868 X3 P Stout 1067.0 1033.5 4.43 50.00% 7.47 2.19 2 2 66º 66º 6
1878 S Stout 1065.9 7.43 2.05 2 2 70º 70º 6
1878 S Stout 1066.5 1027.1 5.20 59.17% 7.43 2.12 2 2 70º 69º 6
1878 S Stout 1065.9 6.86 2.05 2 2 69º 69.5º 6
1888 S Stout 1067.0 1028.3 5.13 57.85% 7.47 2.07 2 64º 67º 7
1888 S Stout 1068.7 1029.1 5.24 57.66% 7.47 2.24 2 65º 68º 7
1896 S Stout 1064.8 1020.5 5.86 68.38% 6.62 1.75 2 62º 66.5º 6
1896 S Stout 1066.5 1018.3 6.38 72.50% 5.62 1.59 2 2 61º 68.5º 6
Sources:
Tetley brewing records held at the West Yorkshire Archive Service document numbers WYL756/11/ACC1903, WYL756/16/ACC1903, WYL756/25/ACC1903, WYL756/44/ACC1903 and WYL756/49/ACC1903.


Truman Stout 1855 - 1894
Year Beer Style OG FG ABV App. Atten-uation lbs hops/ qtr hops lb/brl boil time (hours) boil time (hours) boil time (hours) Pitch temp max. fermen-tation temp length of fermen-tation (days)
1855 Stout Stout 1071.7 1025.2 6.16 64.86% 13.6 4.41 63º 78º 9
1860 Stout Stout 1069.5 1019.9 6.56 71.31% 14.1 4.70 63º º
1870 Running Stout Stout 1069.8 1016.6 7.04 76.19% 12.2 4.40 59º º
1880 Running Stout Stout 1074.8 1024.9 6.60 66.67% 12.8 4.48 58º º
1894 SS Stout 1075.9 11.0 4.10 2 2 3 60º º
Sources:
Truman brewing records held at the London Metropolitan Archives document numbers B/THB/C/057, B/THB/C/062, B/THB/C/072, B/THB/C/082 and B/THB/C/096.


No comments: