Renault Modèle D1
Designed by Renault in 1926 to be an infantry medium tank for the defense program. Went into service in 1931.
One of 1st tanks in world to have cast turret. Also the 1st French tank to have a 47 mm gun. Suspension had 2 different sized wheels, with the smaller ones grouped in 2s or 3s, with the larger by themselves. The running gear was protected by plates and the hull was riveted.
Had a 6 speed gear box, and was steered through a Cleveland controlled differential.
Had a radio with a triangular aerial behind the turret.
Most of these tanks were used in North Africa.3
Char NC 31 Modifié:
A NC 31 that was modified as a development vehicle for the D1.2
Char D1 (Type ST2):
Had Renault FT18 cast turret installed with a 37 mm gun.2
| Renault Modèle D1 | |
|---|---|
| Crew | 31,2,3 |
| Physical Characteristics | |
| Weight | 31,000 lb |
| Length w/gun | 15' 9.25"1, 16', 18' 7"3, 18.94'2 |
| Length w/o gun | |
| Height | 7' 7"3, 7.84'2, 7' 10"1 7' 10.5" with aerial 2.4 m1 |
| Width | 7' 1"1, 7' 2"3, 7' 3", 7.08'2 |
| Ground clearance | |
| Ground contact length | |
| Ground pressure (psi) | |
| Turret ring diameter | |
| Armament | |
| Main | D 1A: 37 mm D 1B: 47 mm Sa 34 47 mm SA 341 47 mm2,3 |
| Secondary | |
| MG | 2: 7.5 mm mle 1931 MG1 7.5 mm MG, coaxial, hull 2: 7.5 mm MG, coaxial, hull.2 MG, hull, early production3 2: MG, hull, coaxial, late production3 |
| Side arms | |
| Quantity | |
| Main | 112 |
| Secondary | |
| MG | 5,000 |
| Side arms | |
| Armor Thickness (mm) | 303 early production 353 late production 352, 401 |
| Hull Front, Upper | D 1A: 30 D 1B: 40 |
| Hull Front, Lower | |
| Hull Sides, Upper | |
| Hull Sides, Lower | |
| Hull Rear | |
| Hull Top | |
| Hull Bottom | 14 |
| Turret Front | |
| Turret Sides | |
| Turret Rear | |
| Turret Top | |
| Engine (Make / Model) | Renault1,2 water cooled2 |
| Cylinders | 41,2 |
| Net HP | 652, 741 D 1A: 64, 65 early production3, 150 D 1B: 100 late production3 |
| Transmission | |
| Fuel type | Gasoline1 |
| Octane | |
| Capacity | |
| Performance | |
| Traverse | 360° |
| Max Speed | 11.3 mph2, 12 mph, 12.5 mph, 11.55 mph1 19.3 kph, 18.6 kph1 |
| Cross Country | 6.2 mph |
| Road radius | 56.9 miles1, 90 km1 |
| Turning Radius | |
| Elevation Limits | |
| Fording depth | |
| Trench crossing | |
| Vertical Obstacle | |
| Suspension (Type) | Coil Spring |
| Wheels each side | 14 |
| Return rollers each side | |
| Track length | |
| Tires | |
| Track width | |
| Track centers/tread | |
| Production | 1932- : 160 |
Sources:
- The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- Tanks of World War II, Duncan Crow, 1979
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