CODE – 04-132-918
NAME – Lewis Model 1918 Aircraft Gun
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1918
CALIBER – 7.62×63 mm (30-06)
OVERALL LENGTH – 106.2 cm (41.80 in) with spade-grip
BARREL LENGTH – 66.2 cm (26.056 in)
RIFLING (TYPE & TWIST) – 4 Grooves, 1 turn in 25.4 cm (10 in)
LOAD – M1906 Ball Full jacketed Pointed Spitzer
BULLET DIAMETER – 7.82 mm (0.308 in)
BULLET WEIGHT – 9.72 g (150 grains)
MUZZLE VELOCITY – 836 m/s (2741 fps)
MUZZLE ENERGY – 3393 j (2503 ft/lb)
WEIGHT (EMPTY) – 7.82 kg (17 lb 4 oz)
WEIGHT (LOADED) – 11.51 kg (25 lb 6 oz) loaded with 97 rounds M1906 Ball
WEIGHT (MOUNTED) – 12.87 kg (28 lb 6 oz) with mounting yolk, ejection port deflector, loaded with 97 rounds M1906 Ball
TYPE OF MOUNT – Yoke for aircraft mount
WEIGHT OF MOUNT – 0.48 kg (1 lb 1 oz)
WEIGHT OF EJECTION PORT DEFLECTOR – 0.88 kg (1 lb 15 oz)
SIGHTS – Open, iron, fixed, Front sight – Bead on post, with Norman vane. Rear sight, Aperture on post, adjustable for zero
EFFECTIVE RANGE – 800 m (875 yards)
OPERATION – Gas, fires from open bolt
TYPE OF FIRE – Full automatic
RATE OF FIRE – 200-250 rpm
CYCLIC ROF – 375-600 rpm using variable gas port
FEED DEVICE – 47 or 97 round pan-type drum magazine
FEED DEVICE WEIGHT (EMPTY) – 47-round pan – 0.68 kg (1 lb 8 oz), 97-round – 1.30 kg (2 lb 14 oz)
FEED DEVICE WEIGHT (LOADED) –47-round pan – 1.94 kg (4 lb 4 oz) with 47 rounds M1906 Ball, 97-round – 3.69 kg (8 lb 2 oz) with 97-rounds M1906 Ball
BASIC AMMUNITION LOAD – Six 97-round drums (582 rounds)
LOAD WEIGHT – 22.11 kg (48 lb 12 oz)
MANUFACTURER – Savage Arms Corp., Utica, New York
STATUS – Obsolete
SERVICE – US Army and Navy Aircraft
