Coolship

A coolship (Anglicized version of the Dutch/Flemish koelschip) is a type of fermentation vessel used in the production of beer. Traditionally, a coolship is a broad, open-top, flat vessel in which wort cools.[1] The high surface to mass ratio allows for more efficient cooling.[2] Contemporary usage includes any open fermentor used in the production of beer, even when using modern mechanical cooling techniques. Traditionally, coolships were constructed of wood, but later were lined with iron or copper for better thermal conductivity.

While Anchor Brewing Company is the oldest continually-operated brewery in the United States to employ open fermentation, coolships in the traditional sense[3] were first used in the United States by Allagash Brewing Company. Several craft breweries have followed, including Logsdon Organic Farmhouse Ales, Gunbarrel Brewing Company, LIC Beer Project, Funk Factory Geuzeria, Black Project Spontaneous & Wild Ales, Jester King, De Garde, Blue Jacket, Crooked Stave, Russian River Brewing Company, Oxbow, New Glarus, Transient Artisan Ales, Side Project, Anchorage Brewing Company, Block 15, Reaver Beach Brewing, OEC Brewing, Wicked Weed, Peekskill Brewery, and Pen Druid Brewing,[4][5] Burley Oak Brewing Company[6] and Wander Brewing.

References

  1. ↑ "Coolship". draftmag.com. Retrieved 21 September 2013.
  2. ↑ "Anchor Terminology: Coolship". Anchor Brewing Company. Retrieved 21 September 2013.
  3. ↑ "Coolship Lands at Allagash Brewing Company". allaboutbeer.com. Retrieved 21 September 2013.
  4. ↑ Roberts, James. "The coolship is landing". Anchorage Press. Retrieved 25 September 2013.
  5. ↑ "Pen Druid Brewing on Instagram: "Oh hell yeah! Coolship #1"".
  6. ↑ "Facebook". www.facebook.com. Retrieved 2016-04-26.
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