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German Balkenkreuz

Germany's GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B ("grasshopper") ; 10.5cm leFH 18/1 L/28 auf Waffenträger

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GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B self propelled gun
Germany's GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B self propelled gun

GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B self propelled gun
Germany's GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B self propelled gun

Design

The HE shell weighed 32.7 lbs and was fired at a muzzle velocity of 1,772'/sec.3

Turret

The turret could be lifted off the chassis and put on the ground for use.3,4 The arms for lifting were located above the tracks.4

Chassis

The PzKpfw IV chassis was the one used for the Heuschrecke.4

The Waffenträger used a PzKpfw 38(d) chassis.4 The chassis was lengthened and two additional road wheels were added on each side.4

Prototype

The prototype didn't have the lifting arms and the chassis only had six wheels and three guides on each side.4

Production

  • 10.5 cm K.18: 2 prototypes4
  • 10.5cm leFH 18/1 auf GW IVb, SdKfz 165/1: 85
  • 10.5cm leFH 18/1 L/28 auf Waffenträger, GW IVb: 31, 83
    • Production: 19425, 19431
    • Manufacturer: Krupp1, Krupps3
  • 10.5cm leFH 18/1 (Sf) auf Geschützwagen IVb; SdKfz 165/1: 81,5
    • Production: November 19421, 19425
    • Manufacturer: Krupp-Gruson1
  • Leichte PzH 18/40/2 auf Geschützwagen III/IV(Sf): 11
    • Manufacturer: Deutsche-Eisenwerke1

Variants

  • Heuschrecke ("grasshopper"):
    • GW IV B für 10.5 CM LE FH 18/1 Heuschrecke IV B:
    • 10.5 cm K.18 on Sf. IVa:
    • 10.5 cm le.F.H. 43 on Gw IVb:
    • 15 cm s.F.H. 18: Design only.4
  • Waffenträger:
    • Waffenträger 8.8 cm Pak 43 L/71: Rheinmetall-Borsig and Ardelt prototype.4 360° traverse.4
    • Waffenträger 8.8 cm Pak 43 L/71: Krupp and Steyr prototype.4 360° traverse.4
    • Waffenträger 8.8 cm Pak 43 L/71: Ardelt prototype.4 360° traverse.4
    • leichter Waffenträger, Ardelt I: 8.8 cm Pak 43 L/71 gun.4 360° traverse.4
    • leichter Waffenträger, Ardelt I: 10.5 cm le.F.H. 18/40 L/28 gun.4 360° traverse.4
    • leichter Waffenträger, Ardelt II: 8.8 cm Pak 43 L/71 gun.4 360° traverse.4
    • leichter Waffenträger, Ardelt II: 10.5 cm le.F.H. 18/40 L/28 gun.4 360° traverse.4
    • leichter Waffenträger, Ardelt II: 12.8 cm K. L/55 gun.4 360° traverse.4
    • leichter Waffenträger, Ardelt II: 15 cm s.F.H. 18 L/29.5 gun.4 60° traverse.4
  • leFH 18/1 (Sf) auf GW IVb; 10.5cm leFH 18/1 auf GW IVb; 10.5cm leFH 18/1 (Sf) auf Geschützwagen IVb; SdKfz 165/1: Used a PzKpfw IV chassis with a smaller engine.1,5 Turret partially rotated.1
  • GW IVb für 10.5cm leFH 18/1 (Heuschrecke IVb); 10.5 leFH 18/1 L/28 auf Waffenträger, GW IVb; 10.5cm leFH 18/1 L/28 auf Waffenträger GW IVb: Turret fully rotated.1 The turret could be lifted off by a gantry.1 The turret could also be towed by the vehicle.5
  • leFH 18/40 (sf); 10.5cm leFH 18/40 auf Fgst GW III/IV; Leichte PzH 18/40/2 auf Geschützwagen III/IV(Sf): The turret could be dismounted and wheels placed on the gun for positioning.1 The carriage wheels were carried on the rear.1

Usage

The 10.5cm leFH 18/1 auf GWIVb was trialed on the Eastern Front.1,5

Specifications

  GW IVb für 10.5cm leFH 18/1 (Heuschrecke IVb); 10.5 leFH 18/1 L/28 auf Waffenträger, GW IVb; 10.5cm leFH 18/1 L/28 auf Waffenträger GW IVb
Crew 51,2,5
Radio FuG Spr f1
Physical Characteristics  
Weight 37,479 lb2
17,000 kg2
17.3 tons5, 23 tons1
Length w/gun 19' 4.3"2, 21.8'3
5.9 m2, 6 m1
Length w/o gun  
Height 7' 4.6"2, 8.8'3
2.25 m2, 3 m1
Width 9' 5"2, 9.8'3
2.87 m2, 3 m1
Width over tracks  
Ground clearance 15.8"3
Ground contact length 138.5"3
Ground pressure  
Turret ring diameter  
Armament  
Main 105 mm leFH18/1 L/281,5
105 mm leFH 18/402
Secondary  
MG  
Side arms  
Quantity  
Main 601
Secondary  
MG  
Side arms  
Armor Thickness (mm) Front: 0.63"3
Side: 0.63"3
Superstructure: 0.38"3
Hull Front, Upper 30@20°1
Hull Front, Lower 30@20°1
Hull Sides, Upper 16@0°1
Hull Sides, Lower 16@0°1
Hull Rear 16@20°1
Hull Top 10@90°1
Hull Bottom 10@90°1
Turret Front 30@30°1
Turret Sides 16@20°1
Turret Rear 16@25°1
Turret Top Open1
Engine (Make / Model) Maybach HL901
Maybach2
Bore / stroke  
Cooling  
Cylinders  
Capacity  
Net HP 1882, 3201
Power to weight ratio  
Compression ratio  
Transmission (Type) 6 forward, 1 reverse.1
Steering Clutch brake3
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gaoline2
Octane  
Quantity  
Road consumption  
Cross country consumption  
Performance  
Traverse 70°, hand1
Speed - Road 28 mph2
45 kph1,2
Speed - Cross Country  
Range - Road 155 miles2
250 km2, 300 km1
Range - Cross Country  
Turning radius  
Elevation limits -0° to + 68°1
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability  
Suspension (Type) Sprung in pairs on 1/4 elliptic springs3
Wheels each side 83
Return rollers each side 43
Tracks (Type) Dry pin3
Length  
Width 15.75"3
Diameter  
Number of links 1073
Pitch 4.75"3
Tire tread  
Track centers/tread 8.1'3
  leFH 18/1 (Sf) auf GW IVb; 10.5cm leFH 18/1 auf GW IVb; 10.5cm leFH 18/1 (Sf) auf Geschützwagen IVb
Crew 41, 55
Radio FuG Spr f1
Physical Characteristics  
Weight 17 tons1,5
Length w/gun 5.9 m1
Length w/o gun  
Height 2.25 m1
Width 2.87 m1
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 105 mm leFH18/1 L/281
10.5cm leFH 18/15
Secondary  
MG  
Side arms  
Quantity  
Main 601
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 30@10°1
Hull Front, Lower 30@12°1
Hull Sides, Upper 14.5@0°1
Hull Sides, Lower 14.5@0°1
Hull Rear 14.5@20°1 & 14.5@10°1
Hull Top 10@90°1
Hull Bottom 14.5@90°1
Turret Front 20@20°1
Mantlet: 20@0-70°1
Turret Sides 14.5@15°1
Turret Rear 14.5@10°1
Turret Top Open1
Engine (Make / Model) Maybach HL66P1
Bore / stroke  
Cooling  
Cylinders  
Capacity  
Net HP  
Power to weight ratio  
Compression ratio  
Transmission (Type) 6 forward, 1 reverse.1
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type)  
Octane  
Quantity  
Road consumption  
Cross country consumption  
Performance  
Traverse 360°, hand1
Speed - Road 45 kph1
Speed - Cross Country  
Range - Road 250 km1
Range - Cross Country  
Turning radius  
Elevation limits -10° to + 40°1
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Tracks (Type)  
Length  
Width  
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread  
  leFH 18/40 (sf); 10.5cm leFH 18/40 auf Fgst GW III/IV; Leichte PzH 18/40/2 auf Geschützwagen III/IV(Sf)
Crew 51
Radio FuG Spr f1
Physical Characteristics  
Weight 25 tons1
Length w/gun 6.8 m1
Length w/o gun  
Height 2.9 m1
Width 3 m1
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 10.5cm leFH 18/405
10.5cm leFH 18/40/2 L/281
Secondary  
MG  
Side arms  
Quantity  
Main 801
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 30@20°1
Hull Front, Lower 20@20°1
Hull Sides, Upper 10@0°1
Hull Sides, Lower 20@0°1
Hull Rear 10@10°1
Hull Top 10@90°1
Hull Bottom  
Turret Front 10@25°1
Mantlet: 10@0°1
Turret Sides 10@25°1
Turret Rear 10@12°1
Turret Top Open1
Engine (Make / Model) Maybach HL901
Bore / stroke  
Cooling  
Cylinders  
Capacity  
Net HP  
Power to weight ratio  
Compression ratio  
Transmission (Type) 6 forward, 1 reverse1
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type)  
Octane  
Quantity  
Road consumption  
Cross country consumption  
Performance  
Traverse 360°, hand1
Speed - Road 45 kph1
Speed - Cross Country  
Range - Road 300 km1
Range - Cross Country  
Turning radius  
Elevation limits -10° to +70°1
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability  
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. Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
  2. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  3. Tank Data, Aberdeen Proving Grounds Series, 1968?
  4. German Tanks and Armoured Vehicles 1914 - 1945, B. T. White, 1966
  5. Profile, AFV Weapons #55, German Self-Propelled Weapons, Peter Chamberlain, H.L. Doyle, 1973
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