07-132-941

NAME – M1 and M1A1 Flamethrower

COUNTRY OF ORIGIN – USA

DATE OF MANUFACTURE – 1941 (M1) 1942 (M1A1)

LENGTH (GUN) – 98.4 cm (38.75 in) M1, 101 cm (39.75) in M1A1

LENGTH (HOSE) – 94.6 cm (37.25 in)

HEIGHT (TANK GROUP) – 56.3 cm (22.17 in) including pressure regulator

WIDTH (TANK GROUP) – 29.8 cm (11.75 in)

FUEL TANK HEIGHT – 48.6 cm (19.13 in)

FUEL TANK DIAMETER – 16.5 cm (6.5 in)

PROPELLANT TANK HEIGHT – 43.2 cm (17 in)

PROPELLANT TANK DIAMETER – 9.5 cm (3.75 in)

WEIGHT (EMPTY) – 14.5 kg (32 lb) complete

WEIGHT (LOADED) – 28.28 kg (63 lb 6 oz) M1 loaded with liquid fuel

WEIGHT (LOADED) – 28.88 kg (63 lb 11 oz) M1A1 loaded with 4.2% Thickened fuel

WEIGHT (GUN GROUP) – 3.63 kg (8 lb)

TYPE OF IGNITION – Electric spark ignition of hydrogen igniter pilot light

CONTINUOUS DURATION OF FIRE – 8 to 10 seconds

PROPELLANT – Nitrogen (preferred) or compressed air

PROPELLANT PRESSURE – 1,551 kPa (225 psi) (M1), 2,586 kPa (375 psi) (M1A1)

FUEL – Gasoline (M1), Thickened gasoline (Napalm) (M1A1)

FUEL CAPACITY – 18.9 l (5 US gallons combined)

EFFECTIVE RANGE – 9 to 14 m (10 to 15 yards) M1, 32 m (35 yards) M1A1 with thickened fuel

MAXIUM RANGE – 27 m (30 yards) M1 with liquid fuel, 46 m (50 yards) M1A1 with thickened fuel

FEED DEVICE – Twin connected fuel tanks containing 18.9 l (5 US gallons) total

FEED DEVICE WEIGHT – 13.78 kg (30 lb 6 oz) (unthickened gasoline) 14.38 kg (31 lb 11 oz) (4.2% Napalm-thickened fuel)

STATUS – Obsolete

SERVICE – US Military and Allies

     While the operator can open the fuel valve by reaching back with his left and, an assistant operator must open the pressure cylinder valve on the top rear of the cylinder. The opening of the pressure cylinder must be done before the operator is in firing position.