ORIGINAL: glazier808
They flew it at altitude to the men in kegs hung under the wing like droptanks. This was said to keep it quite cold.
https://www.google.com/search?q=spitfire+beer+kegs&hl=en&client=safari&tbm=isch&tbo=u&source=univ&sa=X&ei=Lx8uUeXdH-iiiQLBqoG4Ag&ved=0CEgQsAQ&biw=768&bih=900
Casey
No, Sir. Yes, that was a method used; but it isn't the method I'm referencing. This method was performed on the ground and didn't involve using the aircraft. Thanks; Ernie P.
Question: How did aircraft maintenance crews cool canned beer in WWII?
Clues:
(1) No ice was available; and the fire extinguishers were all needed for their intended use.
(2) This method cooled relatively large quantities of beer very quickly.
(3) This method was performed on the ground, and did not involve the aircraft directly.
(4) This method was used in the Pacific by US crews.
(5) It involved gasoline.
(6) It involved a 55 (or similar) gallon drum.
(7) It involved an aircraft tire valve.