16" Projectile

16" Projectile (HM1BJ8)

Location: Florence, AL 35630 Lauderdale County
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Country: United States of America
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N 34° 48.725', W 87° 37.432'

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The 1,900 lb. HC (High Capacity) Mark 13 shore-bombardment projectile is fired from the Mark 7, 16" .50-caliber gun. The HC round can create a crater 50' wide and 20' deep. The 16" gun turret weights 1,708 tons. The barrel weighs 267,904 lbs. Iowa-class battleships could store 1,210 of the 16" projectiles aboard ship.

Specifications of the 16" Gun
Gun length: 816" breech to muzzle
Bore length: 800"
Rifling length: 682.86"
Grooves: 96 at .150" deep
Twist: Uniform RH 1 in 25
Rate of fire: 2 per minute
Recoil: 47"
Bore: Chromium-plated to reduce wear
Muzzle Velocity: 2,690 fps
Barrel life: 290 to 350 rounds
Range at 10: 18,200 yards
Range at 45: 41,622 yards
Penetrations: 13' at 10,000 yards, 9.5' at 41,622 yards
HM NumberHM1BJ8
Marker ConditionNo reports yet
Date Added Saturday, October 25th, 2014 at 4:39am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)16S E 442940 N 3852381
Decimal Degrees34.81208333, -87.62386667
Degrees and Decimal MinutesN 34° 48.725', W 87° 37.432'
Degrees, Minutes and Seconds34° 48' 43.50" N, 87° 37' 25.92" W
Driving DirectionsGoogle Maps
Area Code(s)256
Closest Postal AddressAt or near 91-133 Veterans Park Dr, Florence AL 35630, US
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