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Soviet Union's SU-100 (Samoknya Ustanokova) tank destroyer:

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SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer
Aberdeen Tank Museum

SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer
School of Tank Technology
SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer

SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer

SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer
SU-100 tank destroyer:
Soviet Union's SU-100 tank destroyer
Dragon Die Cast Armor:
60299:
Dragon 60299 1/72 Diecast Armor, Soviet SU-100

Design

Used T-34/76 D chassis and was designed at the development bureau of General F. F. Petrov.2 The Uralmashzavod took a SU-85 and placed a 100 mm D-10S M1944 naval gun in it.1

Crew

The commander had a raised cupola.6 There was a panoramic periscope in the rotating hatch of the cupola.6 There were also five episcopes.6

The gunner had a rotating periscope in his hatch.6

Engine

Had external fuel tanks.

Main Armament

The 100 mm gun was a naval gun and it was targeted by a TSch-19 targeting scope.2 The gun was placed in a ball mounting.2 The breech block was horizontal sliding and semi-automatic.6 When the gun is fired, the recoil moves it back to the forward position and the breech is open for the next round.6 Above the gun are the recuperator and hydraulic buffers.6

  Muzzle
Velocity
Shot
Weight
Overall
Weight
Maximum
Range
Penetration
500 m 1,000 yards 1,000 m
  2,936'/sec1
895 m/sec1
35 lb1
15.88 kg1
  22,580 yards1
20,650 m1
     
HE6 2,900'/sec6 35 lb6          
AP6 2,950'/sec6 34 lb6, 34.5 lb5 66 lb6     160 mm6  
APHE6              
BR-4122 900 m/sec2 15.6 kg2     162 mm2   150 mm2

Sometimes extra ammunition was carried externally on the rear of the tank, however this was quite hazardous. HE shells had an effective range of 20,000 m.

Tank Destroyer Armament Performance

Tank Destroyer Armament Performance

Production

  • SU-100: 1,675
    • 1944: 5001,2,6
      • Manufacturer: Soviet Arsenals5, Uralmash in Chelyabinsk2, Uraimasz i Czelabinskie6, Uralmashzavod1
    • 1945: 1,1751,2

Production Comparison

Tank Destroyer Production Comparison

Usage

The SU-100s replaced the SU-85s in the medium self propelled gun regiments and the gun brigades.2

Specifications

  SU-100
Crew 41,3,5,6
Commander, gunner, loader, driver6
Physical Characteristics  
Weight 70,560 lb
29.5 tons6, 31.6 tons1,5, 32 tons1, 31.5 tons3
32,515 kg1, 32,525 kg1, 32,000 kg3
Empty weight 28.5 tons6
Length w/gun 31' 6", 32' 8"6, 32' 10"5
9.45 m1
Length w/o gun 19' 5"1,3,6
5.92 m1,3
Height 7' 6", 8' 4"1,3,5,6
2.25 m1, 2.54 m1,3
Width 9' 10"1,3,5,6, 10'
3 m1,3
Width over tracks  
Ground clearance 15"5, 1' 4"6
0.4 m
Ground contact length 146"5
Ground pressure 10 psi5, 11.4 psi6
Armament  
Main 100 mm D 10-S1,6, 55 caliber6
100 mm1
100 mm 1944 D-10S3 100 mm M-1944 (DS-10)5
Secondary  
MG - AA 12.7 mm MG6
Side arms  
Quantity  
Main 341,6, 355
Secondary  
MG  
Side arms  
Armor Thickness (mm) 4.3"1
1101
Hull Front, Upper 3"1, 3"@0°5
451, 751,3, 786, 110
Mantlet: 4.3"1
Mantlet: 1006, 1101,3
Hull Front, Lower  
Hull Sides, Upper 1.77"@0°5, 451
Hull Sides, Lower  
Hull Rear 1.77"@0°5, 451
Hull Top 201
Hull Bottom 201
Engine (Make / Model) W-2, V-21,3
Model W-25,6
Bore / stroke  
Cooling Water5,6
Cylinders V-121,5,6
Capacity 38.88 liters6
Net HP 5001,4,5, 500@1,800 rpm6
Power to weight ratio 16.9 bhp/ton6
Compression ratio  
Transmission (Type) Constant mesh5
5 forward, 1 reverse5
Steering Clutch brake5
Steering ratio  
Starter  
Electrical system Starter: 24 volt6
Lighting: 12 volt6
Ignition  
Fuel (Type) Diesel1,5,6
Octane  
Quantity 80 gallons5, 169 gallons1
770 liters1
Road consumption 2-3 mpg5
Cross country consumption  
Performance  
Traverse 16° each way6, hand6
Speed - Road 21.7 mph3, 30 mph1, 34 mph6, 35 mph1,5
35 kph3, 48 kph1, 56 kph1
Speed - Cross Country  
Range - Road 185 miles5, 186 miles1,3,6, 199 miles1, 200 miles
320 km1, 300 km1,3
Range - Cross Country 112 miles1
180 km1
Turning radius  
Elevation limits -2° to +17°6, +20°
Fording depth 4' 3"6, 4' 4"
Trench crossing 8' 2"6, 8' 3", 9' 10"5
Vertical obstacle 2' 1"5, 2' 3.5"6
Climbing ability 30° slope5, 35°6
Suspension (Type) Christie type coil spring loaded torsion arms5
Wheels each side 55
Return rollers each side  
Tracks (Type) Cast allow steel, dry, loose pin5
Cast manganese steel6
Length  
Width 1' 7", 1' 8"6, 19.8"5
Diameter  
Number of links 725,6
Pitch 6.9"6, 7"5
Tire tread  
Track centers/tread 8' 2"6, 98"5
  SU-100 1944
Crew 42
Physical Characteristics  
Weight 31.6 tons2
Empty weight  
Length w/gun 9.45 m2
Length w/o gun 5.93 m2
Height 2.24 m2
Width 3 m2
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure 0.80 kp/cm2 2
Armament  
Main 100 mm D-10 S2
Secondary  
MG  
Side arms  
Quantity  
Main 342
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 45-75
Hull Front, Lower 452
Hull Sides, Upper 452
Hull Sides, Lower 452
Hull Rear 452
Hull Top 202
Hull Bottom 202
Engine (Make / Model) W-2/342
Bore / stroke 4 stroke2
Cooling  
Cylinders V-122
Capacity  
Net HP 500@1,800 rpm2
Power to weight ratio 16.4 hp/ton2
Compression ratio  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type)  
Octane  
Quantity 865 liters2
Road consumption  
Cross country consumption  
Performance  
Traverse  
Speed - Road 50 kph2
Speed - Cross Country  
Range - Road 310 km2
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth 1.3 m2
Trench crossing 2.5 m2
Vertical obstacle 0.73 m2
Climbing ability 35°2
Suspension (Type)  
Wheels each side  
Return rollers each side  
Tracks (Type)  
Length  
Width  
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread  

Sources:

  1. Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
  2. Russian Tanks and Armored Vehicles 1917-1945, by Wolfgang Fleischer, 1999
  3. 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
  4. Removed
  5. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
  6. Armour in Profile #21 SU 85 and SU 100 Tank Destroyer, Colonel E. F. Offord, DSO, MBE, ?
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