Above and below, Fort de Loncin, february 99, left 2 x 12 cm gun cupola.
One of the guns is sealed with cement probably to prevent moisture entering the turret.
The lower floor was in connection with the assemble area and the ammunition magazine.
| Specifications | ||
| Gun : | manufacturer : | Krupp |
| length : | 3 m | |
| diameter : | 120 mm | |
| weight : | 1430 kg | |
| grooves : | 32 | |
| elevation : | max. + 25° | |
| min. - 3° | ||
| back stroke : | +- 12,7 cm | |
| Cupola : | total weight moving part : | 107835 kg |
| total weight : | 188535 kg | |
| diameter : 4,8 m | 4,8 m | |
| roof armour : | 24 cm | |
| Ammunition : | normal : | weight 18,4 kg, range 8 km |
| cast iron : | weight 20 kg, range 5 km | |
| shrapnel : | weight 19,7 kg, range 6,1 km | |
| hail : | 20 kg (290 of each 50 gr.) |
| Crew (25) | |
| Upper floor (8) | 1 officer or NCO (CO) |
| 1 NCO | |
| 3 soldiers for each gun | |
| First floor (1) | 1 NCO |
| Ground floor (16) | 1 NCO |
| 1 corporal | |
| 6 soldiers (rotating the cupola) | |
| 2 soldiers (ventilator) | |
| 2 soldiers (ammunition elevator) | |
| 4 soldiers (ammunition carriers) |
Fort de Loncin, february 99, right 2 x 12 cm gun cupola.