M 51 and M 52 MACI mines
The M 51 MACI and M 52 MACI (Mine Antichar Indétectable) are French circular minimum metal anti-tank blast mines. The use a variety of fuzes, a M61 pressure/friction fuze, a "tentacle" fuze with four hoses that triggers the mine when two of the opposite tentacles are crushed, and a tilt rod fuze. The M51 and M52 are broadly similar with a thin fibreglass cases, the principal difference being the M52 is slightly larger than the M51.
Specifications
| Mine | Diameter | Height | Weight | Explosive content | Operating pressure |
|---|---|---|---|---|---|
| M 51 MACI | 300 mm | 95 mm | 7 kg | TNT and RDX | various, pressure fuze with 300 kg |
| M 52 MACI | 300 mm | 120 mm | 9 kg | TNT and RDX | various, pressure fuze with 300 kg |