Variants M1A1 flamethrower

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e1r1 flamethrower fired against concrete fortification, demonstrating billowing of smoke.


e1r1


the e1 redesigned chemical warfare service , labeled experiment 1 revision 1 , ready testing in march 1941. compressed nitrogen separated away fuel reservoir, feature carried forward in subsequent models. additional improvements included flame gun, valves, , ignition system. e1r1 s filled weight reduced 57 pounds , capable of sustaining 15 20 yards 15 20 seconds; e1r1 weighed 28 pounds when empty.

issues - weight, damaged parts, , access control valves identified during testing being problematic.

m1

test board results led development of m1 production model, consisting of heavier weight, m1 more rugged , had longer range standardized production in march 1942. m1 system made south pacific theater end of year.

m1a1


the invention of napalm led evaluation flamethrowing agent. gasoline , oil mixtures sprayed left barrel of flame gun, whereas napalm thickened fuel left barrel in compact stream capable of ricocheting off of , openings , subsequently sticking flat surfaces. initial tests showed current m1 platform incapable of providing ideal range napalm. chemical warfare service asked adapt napalm fuel system m1 platform avoid procurement issues, facilitating development of m1a1 platform. modifications included fuel system, pressure regulator, valves, , flame gun facilitate higher pressures required achieve ideal ranges napalm. m1a1 capable of reliably firing distances fifty yards away versus m1 s ideal firing range of twenty yards.








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