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12-01-2020, 07:13
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On the eve of WW II, Drybrough had a pretty limited range of beers: four Pale Ales and a Strong Ale. Which was fairly typical of most Scottish breweries. After WW I, they mostly gave up on styles like Mild Ale and Stout.
Though the reality was slightly more complicated. Because I know from other sources that Drybrough did market beers in other styles. For example, I’ve a couple of analyses for a beer called Nourishing Stout. Based on its gravity, I’d guess it was really 54/- with some special primings added at racking time.
It’s worth remembering that average OG was 1041º in 1936. The vast majority of beer Drybrough produced was well below that level. Because at least 80% of their output was in the form of 60/-. Which was around the strength of an Ordinary Mild in England. And 60/- seems to have filled the same slot as Mild did in England. Something which was also the case after WW II.
Notable is what’s missing: a beer of classic Ordinary Bitter strength, which in the 1930’s would have been around 1045º. A beer which South of the border would have been one of a brewery’s biggest sellers. While Pale Ales of gravities as low as 54/- weren’t very common in England, except in country districts where beer tended to be weaker.
The hopping rate for the Pale Ales, at a little under 5 lbs per quarter (336 lbs) of malt, is very low. In England 7 to 9 lbs was usual. But it’s typical of Scottish brewers. From the final decades of the 19th century onwards, Scottish hopping rates diverged from those of England, falling to significantly lower levels.
I wouldn’t pay too much attention to the FGs and rates of attenuation. The gravities given in Drybrough’s brewing logs is the racking gravity. I know from analyses of Drybrough’s beers as sold that the actual degree of attenuation was 75-80%.
Drybrough's beers in 1936
Date
Year
OG
FG
ABV
App. Atten-uation
lbs hops/ qtr
hops lb/brl
Pitch temp
P 54/-
Pale Ale
1031
1011.5
2.58
62.90%
4.86
0.61
59º
Bottling
Pale Ale
1033
1012
2.78
63.64%
4.86
0.64
61º
P 60/-
Pale Ale
1037
1013.5
3.11
63.51%
4.93
0.74
60º
P 80/-
Pale Ale
1050
1015
4.63
70.00%
4.93
1.00
59º
Burns
Strong Ale
1084
1030
7.14
64.29%
6.30
2.48
59.5º
Source:
Drybrough brewing record held at the Scottish Brewing Archive, document number D/6/1/1/4.
More... (http://barclayperkins.blogspot.com/2020/01/drybroughs-beers-in-1936.html)
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On the eve of WW II, Drybrough had a pretty limited range of beers: four Pale Ales and a Strong Ale. Which was fairly typical of most Scottish breweries. After WW I, they mostly gave up on styles like Mild Ale and Stout.
Though the reality was slightly more complicated. Because I know from other sources that Drybrough did market beers in other styles. For example, I’ve a couple of analyses for a beer called Nourishing Stout. Based on its gravity, I’d guess it was really 54/- with some special primings added at racking time.
It’s worth remembering that average OG was 1041º in 1936. The vast majority of beer Drybrough produced was well below that level. Because at least 80% of their output was in the form of 60/-. Which was around the strength of an Ordinary Mild in England. And 60/- seems to have filled the same slot as Mild did in England. Something which was also the case after WW II.
Notable is what’s missing: a beer of classic Ordinary Bitter strength, which in the 1930’s would have been around 1045º. A beer which South of the border would have been one of a brewery’s biggest sellers. While Pale Ales of gravities as low as 54/- weren’t very common in England, except in country districts where beer tended to be weaker.
The hopping rate for the Pale Ales, at a little under 5 lbs per quarter (336 lbs) of malt, is very low. In England 7 to 9 lbs was usual. But it’s typical of Scottish brewers. From the final decades of the 19th century onwards, Scottish hopping rates diverged from those of England, falling to significantly lower levels.
I wouldn’t pay too much attention to the FGs and rates of attenuation. The gravities given in Drybrough’s brewing logs is the racking gravity. I know from analyses of Drybrough’s beers as sold that the actual degree of attenuation was 75-80%.
Drybrough's beers in 1936
Date
Year
OG
FG
ABV
App. Atten-uation
lbs hops/ qtr
hops lb/brl
Pitch temp
P 54/-
Pale Ale
1031
1011.5
2.58
62.90%
4.86
0.61
59º
Bottling
Pale Ale
1033
1012
2.78
63.64%
4.86
0.64
61º
P 60/-
Pale Ale
1037
1013.5
3.11
63.51%
4.93
0.74
60º
P 80/-
Pale Ale
1050
1015
4.63
70.00%
4.93
1.00
59º
Burns
Strong Ale
1084
1030
7.14
64.29%
6.30
2.48
59.5º
Source:
Drybrough brewing record held at the Scottish Brewing Archive, document number D/6/1/1/4.
More... (http://barclayperkins.blogspot.com/2020/01/drybroughs-beers-in-1936.html)