PzH 155-1 / SP70 155mm Self Propelled Howitzer
| Country of origin | Italy / United Kingdom / West Germany | |
| Overall length (including chassis and barrel) | 7.637 meters | |
| Combat weight | 43,524 kilograms | |
| Turret material | Aluminum | |
Armament | ||
| Calibre | 155mm | |
| Ordnance | Monoblock, autofrettaged barrel with muzzle brake and fume extractor. Vertical sliding breech operating automatically during runout. | |
| Barrel length (39 cal) | 5.032 meters | |
| Firing mechanism | Mechanical, solenoid operated | |
| Recoil length | 700-mm | |
| Ammunition | FH70 and all NATO 155-mm ammunition | |
| HE projectile | ||
| Weight | 43.8 kilograms | |
| Range unassisted | 24 kilometers | |
| Range assisted | 30 kilometers | |
| Rates of fire Burst | 3 rounds in 10 seconds | |
| Rapid | 6 rounds per minute | |
| Sustained | 2 rounds per minute for one hour | |
SP70 chassis | ||
| Power pack Weight | 4,870 kilograms | |
| Main engine Type/description | MTU MB871, 8 cylinder, turbocharged, diesel | |
| Output at 2,600 revolutions per minute | 736 KW (1,000 HP) | |
| Gear box Type/description | Fiat 237A, diesel, 26 KW (35 HP) | |
| Fuel capacity | 1,100 litres | |
| Range | 420 km cross-country; 550 km on roads | |
| Maximum speed | 67.7 km/hr (42.3 mph) | |
| Climbing ability | 60% slope | |
| Running gear | Porsche running gear with torsion bar suspension | |
Variants Characteristics | SP70 | SP70 PIP |
| Maximum range: Unassisted | 24 km | 30 km |
| Rocket Assisted | 30 km | 38 km |
| Rate of fire: Maximum Burst |
| |
| Max range error | 0.25 (PE) | 0.25 (PE) |
| Max azimuth error | 0.4 mils (PE) | 0.4 mils (PE) |
| Ballistic protection | 50-mm Aluminum | 50-mm Aluminum + antibomblet net |
| Emplacement time | 120 secs | 25 secs |
| Displacement time | 60 secs | 60 secs |
| Ammunition stored on board (rounds) | 32 | 32 |
| Replenishment rate for ammunition stored on board |
| |
| Crew: Internal | 5 | 3 |
| External (in ammunition supply vehicle) | 3 | 3 |
| NBC protection | Collective individual fighting capability | Collective individual fighting capability w/ Improved survivability |
Calendar | ||
| Date | Activity | Remarks |
| 1969 | Start of collaborative studies | |
| 1970 | Start of formal project study | |
| 1973 | Start of Phase A development | Design changes to overcome deficiencies in meeting the required performance. |
| 1977 | Phase A development suspended | Difficulties in meeting the operational requirement. |
| 1978 | Start of Phase B development | This followed a design review aimed at improving the design, increasing reliability, and reducing costs. |
| 1985 | Germany ceased development funding following evaluation trials. Phase B suspended. | System reliability inadequate. |
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