'Lifebuoy' Flamethrower
L/Cpl. J.E. Cunningham, 4 Canadian Infantry Brigade, practices firing "Lifebuoy" flame thrower in orchard. Xanten, Germany, 10 Mar. 1945. The Ack Pack was a harness carrying a ring-shaped fuel container with a capacity of 4 Imperial gallons (18 litres) of fuel on the operator's back. In the middle of the ring was a spherical container holding the propelling gas which was pressurized to 2,000 lbf/in² (140 Bar). This was enough to propel the burning fuel 120 feet (36 metres).
This is a companion discussion topic for the original entry at https://ww2incolor.com/gallery/canadian-forces/37192/'lifebuoy'-flamethrower