Heuschrecke 10
Encyclopedia
The Heuschrecke 10 was a prototype
Prototype
A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from.The word prototype derives from the Greek πρωτότυπον , "primitive form", neutral of πρωτότυπος , "original, primitive", from πρῶτος , "first" and τύπος ,...

 self-propelled gun
Self-propelled gun
A self-propelled gun is form of self-propelled artillery, and in modern use is usually used to refer to artillery pieces such as howitzers....

 and Waffenträger (German: "Weapon carrier") developed by Krupp
Krupp
The Krupp family , a prominent 400-year-old German dynasty from Essen, have become famous for their steel production and for their manufacture of ammunition and armaments. The family business, known as Friedrich Krupp AG Hoesch-Krupp, was the largest company in Europe at the beginning of the 20th...

-Gruson between 1943 and 1944. The official designation of the vehicle was 105 mm leichte Feldhaubitze 18/1 L/28 auf Waffenträger Geschützwagen IVb and was to be built in Magdeburg
Magdeburg
Magdeburg , is the largest city and the capital city of the Bundesland of Saxony-Anhalt, Germany. Magdeburg is situated on the Elbe River and was one of the most important medieval cities of Europe....

, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. The Heuschrecke featured a removable turret
Gun turret
A gun turret is a weapon mount that protects the crew or mechanism of a projectile-firing weapon and at the same time lets the weapon be aimed and fired in many directions.The turret is also a rotating weapon platform...

 which could be deployed as a pillbox or towed behind the vehicle as an artillery
Artillery
Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

 piece.

Krupp produced only three prototypes from 1942–1943. The Heuschrecke initially made use of a shortened Panzerkampfwagen IV
Panzer IV
The Panzerkampfwagen IV , commonly known as the Panzer IV, was a medium tank developed in Nazi Germany in the late 1930s and used extensively during the Second World War. Its ordnance inventory designation was Sd.Kfz...

 (Panzer IV) chassis, but it was later switched to the Geschützwagen IV chassis, developed for the Hummel self propelled gun
Hummel (artillery)
The Hummel was a self-propelled artillery gun based on the Geschützwagen III/IV chassis, armed with a 15 cm howitzer. It was used by the German Wehrmacht during the Second World War from late 1942 until the end of the war....

. Mass production of the Heuschrecke 10 was scheduled to start in February 1945, but never eventuated.

Precursor

Towards the end of September 1939, Krupp designed the "first real self-propelled artillery piece", the Sonderkraftfahrzeug 165/1 (Special Purpose Vehicle 165/1, abbreviated Sd.Kfz. 165/1). The Sd.Kfz. 165/1 was similar in design to the Heuschrecke, but did not have the chassis-mounted launching mechanism to remove the turret. After a series of tests, the Sd.Kfz. 165/1 was accepted by the Wehrmacht
Wehrmacht
The Wehrmacht – from , to defend and , the might/power) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the Heer , the Kriegsmarine and the Luftwaffe .-Origin and use of the term:...

 in early January 1940. In 1941, Krupp built prototype vehicles armed with the 105 mm leichte Feldhaubitze 18/1 L/28 (light field howitzer 18/1 L/28, abbreviated leFH 18/1 L/28) cannon based on a modified Panzer IV chassis. The prototypes were fitted with a smaller six-cylinder Maybach
Maybach
Maybach-Motorenbau GmbH is a German luxury car manufacturer. It was founded in 1909 by Wilhelm Maybach and his son. The company was originally a subsidiary of Luftschiffbau Zeppelin GmbH and was itself known as Luftfahrzeug-Motorenbau GmbH until 1912.Today, the ultra-luxury car brand is owned by...

 HL66P engine, which had a power capacity of 188 hp. Although 200 vehicles were ordered, Krupp completed only 10 prototypes in the final four months of 1942.

Prototypes

The design phase of the Heuschrecke began in 1942, when Krupp conceived a new type of self-propelled artillery. In 1943, Krupp produced three prototypes, with serial numbers from 582501 to 582503, which were designated as either Heuschrecke 10 or Heuschrecke IVb.

The Heuschrecke designed by Krupp was similar in design to a vehicle built by Alkett and Rheinmetall
Rheinmetall
Rheinmetall AG is a German automotive and defence company with factories in Düsseldorf, Kassel and Unterlüß. The company has a long tradition of making guns and artillery pieces...

-Borsig, the 105 mm leFH 18/40/2 auf Geschützwagen III/IV, which was ready in March 1944. The competing Rhinemetall-Borsig model had overall slightly better performance than that of Krupps' vehicle. It was decided, however, to utilize an alternate chassis on the Rhinemetall-Borsig model, that of the Panzer IV. Production was to start in October 1944, but the chassis choice was changed to that of the Geschützwagen IV in December 1944. Production, in Magdeburg, was then intended to commence in February 1945, but none were produced.

Cancellation

The Nazi high command thought that the production of the Heuschrecke would disrupt the production of the needed Panzers. The quantity of materials required for the construction of weapon-carriers were so great that companies like Krupp were told to halt production. The majority of weapon-carriers never left the production stage. The Heuschrecke was seen as interesting by the General Inspector of the Panzer Troops, Heinz Guderian
Heinz Guderian
Heinz Wilhelm Guderian was a German general during World War II. He was a pioneer in the development of armored warfare, and was the leading proponent of tanks and mechanization in the Wehrmacht . Germany's panzer forces were raised and organized under his direction as Chief of Mobile Forces...

, however, Guderian agreed that their development was not worth the disruption to tank production. The development of the Heuschrecke was therefore canceled in February 1943.

Turret

The distinguishing feature of the Heuschrecke was its removable turret. A lifting gantry
Gantry crane
Gantry cranes, bridge cranes, and overhead cranes, are all types of cranes which lift objects by a hoist which is fitted in a hoist trolley and can move horizontally on a rail or pair of rails fitted under a beam...

 attached to the chassis could remove the turret for use on concrete fortifications or the ground. Although the howitzer
Howitzer
A howitzer is a type of artillery piece characterized by a relatively short barrel and the use of comparatively small propellant charges to propel projectiles at relatively high trajectories, with a steep angle of descent...

 could equally be fired from the chassis, the vehicle was designed to carry the artillery piece to a firing emplacement for removal before usage. The turretless vehicle could be used as an ammunition carrier or recovery vehicle. The prototype turret was armed with the 105 mm leFH 18/1 L/28
10.5 cm leFH 18M
The 10.5 cm leFH 18M was a German light howitzer used in the Second World War. The gun, less the carriage and shield, was also used as the armament of the SdKfz 124 Wespe self-propelled artillery vehicle.-History:...

. The production models, however, were to have the 105 mm leFH 43 L/28.

Chassis and Engine

The Heuschrecke consisted of a welded steel hull, with thickness ranging from 10 to 25 millimeters, and sloped armour
Sloped armour
Sloped armour is armour that is neither in a vertical nor a horizontal position. Such "angled" armour is often mounted on tanks and other armoured fighting vehicles...

 to deflect incoming fire more effectively. It had a large ammunition stowage, making it one of the chosen ammunition-carriers to help alleviate losses of ammunition that could not otherwise be transported. The original prototype engine was the twelve-cylinder Maybach HL90, but for the production models, the twelve-cylinder Maybach HL100 was chosen.

Specification comparison

Specifications
Specifications Sonderkraftfahrzeug.165/1 Krupp-Gruson Rheinmetall-Borsig
Weight
Weight
In science and engineering, the weight of an object is the force on the object due to gravity. Its magnitude , often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g; thus:...

18,000 kilograms 23 tonnes 25 tonnes
Crew
Crew
A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard...

4 men 5 men 5 men
Engine
Engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

Maybach HL 66 / 6-cylinder / 188 hp Maybach HL 100 12-cylinder / 410 hp Maybach HL 90 12-cylinder / 360 hp
Speed
Speed
In kinematics, the speed of an object is the magnitude of its velocity ; it is thus a scalar quantity. The average speed of an object in an interval of time is the distance traveled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as...

35 kilometers per hour 45 km/h 45 km/h
Range Road: 240 kilometers / Cross-Country: 130 kilometers Road: 300 km Road: 300 km
Capacity
Volume
Volume is the quantity of three-dimensional space enclosed by some closed boundary, for example, the space that a substance or shape occupies or contains....

410 liters
Length
Length
In geometric measurements, length most commonly refers to the longest dimension of an object.In certain contexts, the term "length" is reserved for a certain dimension of an object along which the length is measured. For example it is possible to cut a length of a wire which is shorter than wire...

5.90 meters 6.00 m 6.80 m
Width 2.87 meters 3.00 m 3.00 m
Height
Height
Height is the measurement of vertical distance, but has two meanings in common use. It can either indicate how "tall" something is, or how "high up" it is. For example "The height of the building is 50 m" or "The height of the airplane is 10,000 m"...

2.25 meters 3.00 m 2.90 m
Armament 105 millimeter leichte Feldhaubitze 18/1 L/28 105 mm leichte Feldhaubitze 18/1 L/28 105 mm leichte Feldhaubitze 18/40/2 L/28
Ammunition
Ammunition
Ammunition is a generic term derived from the French language la munition which embraced all material used for war , but which in time came to refer specifically to gunpowder and artillery. The collective term for all types of ammunition is munitions...

105 millimeter - 60 rounds 60 rounds 80 rounds
Armor (millimeter/angle) Front Superstructure: 30/10
  • Front Hull: 30/12
  • Front Turret: 20/20
  • Gun Mantlet: 20/0-70
  • Side Superstructure: 14.5/0
  • Side Hull: 14.5/0
  • Side Turret: 14.5/15
  • Rear Superstructure: 14.5/20
  • Rear Hull: 14.5/10
  • Rear Turret: 14.5/10
  • Top Superstructure: 10/90
  • Top/Bottom Hull: 14.5/90
  • Top Turret: open
  • Hull:
    • Front 30/20
    • Side: 16/0
    • Rear: 16/20
    • Top/Bottom: 10/90
  • Turret
    • Front: 30 at 30°
    • Gun Mantlet: 30
    • Side and rear: 16 at 20–25°
    • Top: 0 (Open)
  • Superstructure:
    • Top 10/90
    • Front: 30 at 20°
    • Side: 16/0
    • Rear: 16/20
  • Hull:
    • Front: 20/20
    • Side: 20/0
    • Rear: 20/10
    • Top/Bottom: 10/90
  • Turret:
    • Front: 10/25
    • Gun Shield: 10/0
    • Side: 10/25
    • Rear: 10/12
    • Top Turret: 0 (Open)
  • Superstructure:
    • Top: 10/90
    • Front : 30/20
    • Side : 10/0
    • Rear: 10/10

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