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25-01-2012, 08:24
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The day has come! We're finally finished with the 1840's. We've laughed, we've cried, we've sat down when the excitement got too much.

If you've been playing close attention you might have noticed something missing: Porter and Stout. There's a good reason for that. I managed to not find a single one in the William Younger's log, despite having well over 100 beers. I know from other years that they weren't brewing huge amounts of either. Maybe I just selected the wrong months. Whatever, it's irritating because I can't do a full comparison. Don't despair. In the next set, the 1850's, I've plenty.

True to tradition, I'll show you the numbers first:




Date
Year
Brewer
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. fer-ment-ation temp
length of fer-ment-ation (days)


25th Feb
1841
Truman
XXK Ale
Stock Ale
1094.2
1034.6
7.88
63.24%
11
4.92



58
77
12


15th Jan
1846
Truman
KXX Ale
Stock Ale
1098.6
1021.9
10.15
77.81%
14.0
5.93



58.5
77
12


7th Apr
1841
Whitbread
KXXX
Stock Ale
1100.6
1029.9
9.34
70.25%
9.36
4.06
2
2
3
60
79
12


14th Apr
1841
Whitbread
KXXX
Stock Ale
1100.8
1029.9
9.38
70.33%
9.42
4.13
2
2
3
60
79
7


19th Mar
1841
Whitbread
KXXX
Stock Ale
1101.9
1028.5
9.71
72.01%
9.09
3.78
2
2
3
60
79
7


10th Apr
1841
Truman
XXXK Ale
Stock Ale
1102.5
1024.1
10.37
76.49%
14
7.74



60
78.5
10


22nd Apr
1841
Whitbread
KXXX
Stock Ale
1102.5
1029.9
9.60
70.81%
5.96
2.55
2
2
3
60
79
8


15th Jul
1840
Truman
XXXK Ale
Stock Ale
1103.9
1032.4
9.45
68.80%
12
6.22



58.5
77
9


17th Feb
1846
Truman
KXXX Ale
Stock Ale
1104.7
1023.0
10.81
78.04%
15.0
7.81



58
80.5
11


13th Jan
1846
Truman
XXXK Ale
Stock Ale
1106.9
1025.2
10.81
76.42%
14.7
7.18



58
80
12


1st Mar
1841
Truman
XXXK Ale
Stock Ale
1106.9





12
6.44



58.5
78.5
13


17th Mar
1841
Truman
XXXMK Ale
Stock Ale
1108.3
1034.1
9.82
68.54%
8.0
4.21



58.5
81
11


1st Apr
1846
Truman
KXXXX Ale
Stock Ale
1114.1
1032.7
10.77
71.36%
16.0
9.70



58
81
15


5th Mar
1841
Truman
XXXXK Ale
Stock Ale
1117.7
1038.8
10.44
67.06%
14
7.65



58

12


28th Jan
1846
Truman
XXXXK Ale
Stock Ale
1118.0
1034.9
10.99
70.42%
16.0
11.19



58
78.5
15


Average




1105.4
1030.0
9.97
71.54%
12.04
6.23
2.00
2.00
3.00
58.8
78.9
11.1


27th Mar
1849
Younger, Wm.
140/-
Ale
1124
1053
9.39
57.26%
11.50
8.53
1
1

52
71
10


9th Mar
1848
Younger, Wm.
140/-
Ale
1126
1052
9.79
58.73%
10.00
7.50
1


53
71
12


7th Oct
1848
Younger, Wm.
140/-
Ale
1126
1055
9.39
56.35%
6.18
3.94
1.08


57
72
10


16th Nov
1849
Younger, Wm.
140/-
Ale
1126
1055
9.39
56.35%
6.13
5.94
1.08


54
72
9


29th Dec
1848
Younger, Wm.
140/-
Ale
1127
1055
9.53
56.69%
8.90
5.45
1


56
56
9


9th Jan
1849
Younger, Wm.
140/-
Ale
1127
1053
9.79
58.27%
9.14
5.29
1


54
72
10


2nd Apr
1849
Younger, Wm.
140/-
Ale
1127
1057
9.26
55.12%
12.00
8.49
1.08
0.92

54
71
10


19th Feb
1848
Younger, Wm.
140/-
Ale
1128
1053
9.92
58.59%
7.91
4.84
0.92


54
71
9


15th Mar
1848
Younger, Wm.
140/-
Ale
1128
1059
9.13
53.91%
7.65
4.41
0.92


53
69
11


7th Apr
1849
Younger, Wm.
140/-
Ale
1128
1058
9.26
54.69%
12.00
8.70
1


53
70
11


17th Apr
1848
Younger, Wm.
140/-
Ale
1129
1056
9.66
56.59%
7.00
4.81
1
1

53
72
10


16th Jan
1849
Younger, Wm.
140/-
Ale
1129
1056
9.66
56.59%
8.14
6.33
1


54
71
9


27th Sep
1849
Younger, Wm.
140/-
Ale
1129
1059
9.26
54.26%
8.00
6.19
1


56
72
9


11th Mar
1848
Younger, Wm.
140/-
Ale
1130
1059
9.39
54.62%
7.61
4.71
0.92


53
69
11


27th Jan
1849
Younger, Wm.
140/-
Ale
1130
1057
9.66
56.15%
5.81
5.63
1


53
70
12


6th Jun
1849
Younger, Wm.
140/-
Ale
1132
1057
9.92
56.82%
11.00
8.32
1.08


54
72
10


4th Apr
1849
Younger, Wm.
160/-
Ale
1134
1063
9.39
52.99%
12.96
7.94
1


53
70
11


13th Nov
1849
Younger, Wm.
S
Stock Ale
1095
1028
8.86
70.53%
10.31
4.85
1


55
67
10


7th Apr
1849
Younger, Wm.
S
Stock Ale
1097
1031
8.73
68.04%
12.00
4.92
1


54
67
10


12th Nov
1849
Younger, Wm.
XS
Stock Ale
1108
1036
9.53
66.67%
11.50
6.73
1


55
69
10


Average




1127.9
1055.9
9.45
57.96%
9.29
6.18
1.00
0.97
0.00
54.0
69.7
10.2


difference




22.4
25.9
-0.52
-13.58%
-2.75
-0.06
-1.00
-1.03
-3.00
-4.8
-9.2
-0.9


Sources:


Truman brewing record document numbers B/THB/C/122 and B/THB/C/127 held at the London Metropolitan Archives


William Younger brewing record document number WY/6/1/2/3 held at the Scottish Brewing Archive


Whitbread brewing record document number LMA/4453/D/01/004 held at the London Metropolitan Archives



http://2.bp.blogspot.com/-1zEW3wHMuaA/Tx1ED2ZTKuI/AAAAAAAAIl8/bNxR3LGXFQ0/s320/England_vs_Scotland_part_2_f.JPG (http://2.bp.blogspot.com/-1zEW3wHMuaA/Tx1ED2ZTKuI/AAAAAAAAIl8/bNxR3LGXFQ0/s1600/England_vs_Scotland_part_2_f.JPG)


A word of caution. The Scottish and London beers in this set aren't a perfect match. The strongest London beer has a gravity of 1118º. Virtually all the Scottish beers have a higher OG. The average OG of the Scottish beers is more than 22º more.

Bearing that in mind, let's look at the hopping rates. This time Younger's beers come second, but by a tiny amount. For once, the greater variation is amongst the London beers, with both the most and the least heavily hopped. Factor in the gravity difference, and the London beers are a clear winner. How do I do that? Look at the hopping rate per quarter. It's 23% higher in the London beers. So: in the 1840's Younger's Stock Ales were on average less heavily hopped than equivalent London beers.

It's unfortunate that I only have the boil times from Whitbread of the London brewers. Though I do know from later years that Whitbread's weren't untypical. 70 minutes was the Longest Younger boil. That's very short, especially for a strong beer. This one is easy: in the 1840's Younger's Stock Ales had much shorter boils than equivalent London beers.

I'm definitely seeing a pattern in fermentation temperatures across all the styles. I'm starting to get quite confident about this. It's the same story here. The pitching temperature of Younger's beers was on average almost 5º F cooler. The maximum fermentation temperature was almost 9º F cooler. Excuse me if you've heard this before: in the 1840's Younger's Stock Ales were fermented cooler than equivalent London beers, on average around 7 - 8º F.

Given the higher gravity and cooler fermentation temperature, it's a surprise to discover that on average Younger's beers took almost a day less to ferment on average. The rather surprising conclusion is: in the 1840's Younger's Stock Ales took less time to ferment than equivalent London beers.

This might explain the difference in fermentation time. Younger's beers had a much lower degree of attenuation. Under 60% on average. But again, it's caveat time. I'm not convinced the 140/- and 160/- are really Stock Ales.If you look at the last three Younger beers, they are definitely Stock Ales. And their degree of attenuation is much closer to the London beers. But still lower. Funnily enough, despite their huge gravities, none of Younger's beers is above 10% ABV, while half the London beers were. In the 1840's Younger's Stock Ales were less attenuated and lower in alcohol than equivalent London beers.

I would give you a summary of all the styles now, highlighting any difference s with England. But I feel shit. I left my breakfast at the side of the road on the way to the bus stop this morning. Not nice. You'll have to wait a day or two for my roundup.https://blogger.googleusercontent.com/tracker/5445569787371915337-7170561651803299207?l=barclayperkins.blogspot.com


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