French demonstration using confetti to illustrate the effect of the barrel cooling system on the Lewis gun

• May 2, 2025

• #1

hw97karbine

Airman 1st Class

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Mar 23, 2025

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The gun's barrel shroud caused the muzzle blast to draw air over the barrel and cool it thanks to the radially finned aluminum heat sink between shroud and barrel

 

• May 3, 2025

• #2

Gnomey

Globetrotting Surgeon General

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Nov 28, 2004

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Nice one!

 

• May 3, 2025

• #3

F

Frog

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Jun 11, 2021

France

hw97karbine said:

View attachment 829364

The gun's barrel shroud caused the muzzle blast to draw air over the barrel and cool it thanks to the radially finned aluminum heat sink between shroud and barrel

Click to expand...

Along with those shipped by the British, 4000 Lewis MGs were manufactured in France by Darne.