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| Stielhandgranate | |
|---|---|
Stick grenades on display at the National World War I Museum in Kansas City, Missouri | |
| Type | Hand grenade |
| Place of origin | German Empire |
| Service history | |
| In service | 1915–1945 (Germany) |
| Used by | See § Users |
| Wars | |
| Production history | |
| Designed | 1915–1943 |
| Produced | 1915–1945 |
| Variants | See § Variants |
| Specifications (Stielhandgranate 15) | |
| Mass | 820 g (29 oz) |
| Length | 240–260 mm (9.4–10.2 in) |
| Diameter | 72 mm (2.8 in) |
| Filling | Ammonal |
| Filling weight | 250 g (8.8 oz) |
Detonationmechanism | 5.5 or 7 seconds timer |
Stielhandgranate (lit. "Stick hand grenade") is a series of World War I and World War II–era German hand grenade designs, also known as the Potato masher (Kartoffelstampfer), Doorknocker (Türklopfer),[1] or Jam-pot and stick grenade (by the British in WWI),[2] The first models were introduced by the Imperial German Army during World War I and the final design was introduced during World War II by the German Wehrmacht.
Germany entered World War I with a single standard grenade type, the Kugelhandgranate. These grenades were heavy, weighing in 1 kilogram (2.2 lb) each and could not be thrown farther than 15–20 metres (16–22 yd),[3] leading to demands for a lighter alternative.[4]
Early in the war, German soldiers made use of improvised stick grenades commonly known as the 'hairbrush grenade', which were thought as having a longer throwing range and improved accuracy over the Kugelhandgranate, which would lead to the development of the introduction of the first Stielhandgranate in 1915,[4] though these stopgaps (also known as the 'paddle grenade') remained in use until 1916.[5]
The German hairbrush grenade was a metal box filled with explosives and nailed to a 38 cm (15 in) wooden handle with a spring igniter, fuze, and detonator similar to the ones used on the Stielhandgranate.[6] The early versions of these crude grenades had to be lit by hand (often with a smoking pipe, cigar or cigarette) before throwing.[7][8] The British and the French also made their own copies, such as the Grenade No. 12 Hairbrush,[9] and the Pétard Raquette.[10]
The original Stielhandgranate 15 relied on its blast effect, which had an effective radius of 15 m (16 yd) on open field. The warhead was made of a thin sheet of steel approximately 10.5–12 cm (4.1–4.7 in) long with a diameter of 7.2 cm (2.8 in) and a metal clip to allow soldiers to carry the complete grenade on their belts,[11] though soldiers frequently carried them inside empty sandbags tied in pairs and slung around the neck.[12]
The 250 g (8.8 oz) explosive filler composition varied between the various private manufacturers contracted by the government, usually black powder, potassium perchlorate, barium nitrate, or ammonium nitrate mixed with aluminium powder before they were replaced in 1916 with TNT.[11][13]
The warhead was usually coated with paraffin wax to provide some degree of waterproofing and was mounted on a hollow wooden handle 24–26 cm (9.4–10.2 in) long that housed the detonator and pull cord. The complete Stielhandgranate 15 weighted 820 g (29 oz).[11][13] Subsequent versions featured improved fuses, a screw-cap cover on the detonator pull cord, while the warhead size was reduced.[11] The model 1924 stick grenade used during World War II had a handle 36 cm (14 in) long and weighing in 230 g (8.1 oz) it was lighter than its predecessors.[14] The end of the pull cord also had a small porcelain ball attached.[15]

To arm the grenade, the soldier yanked the pull cord which in turn pulled a rough steel rod through the igniter within the fuse. The rod's abrasive contact would cause sparks and a flame to light, setting the fuse burning.[11] The time delay fuse varied from 5.5 to 7 seconds as marked on the side of the warhead or the handle,[13][16] though short burning fuses (2–3 seconds) were issued to Stormtroopers.[2] The warhead was stencilled with the reminder Vor Gebrauch Sprengkapsel Einsetzen ("Before use insert detonator").[17]
Percussion fused versions of the Stielhandgranate were introduced in late 1915 with an improved version entering service in 1916, these grenades used a spring-powered plunger that was activated after the warhead hit the ground and had a safety lever fitted on the handle. When the grenade was thrown, the lever flew off arming the grenade. Due the impact grenades tendency of failing to explode after landing on mud or on their sides, they weren't liked by the troops.[4][11]
In comparison to the British Mills bomb, the Stielhandgranate could be thrown further since the handle imparted extra momentum, while the Mills was more lethal, producing over 700 fragments upon detonation; the stick grenade produced little fragmentation and a louder report, resulting in a greater moral effect. According to Saunders, the moral effect of the stick grenade was no less important than the lethal, since by 1917, the main purpose of the hand grenade became a matter of forcing the enemy into the lethal zone of small arms and machine gun fire.[18]
While the 'stick grenade' or 'potato masher' was possibly the most recognizable of the hand grenades employed by the Germans in World War I,[5] they also employed a large variety of designs during the conflict, including the ball grenade (Kugelhandgranate), egg grenade (Eierhandgranate), and the discus grenade (Diskushandgranate), besides improvised (behelfs) designs using during the early years and closing months of the conflict, with the latter being made out a wide variety of materials such as wood or concrete.[19] These emergency designs would reappear in the late stages of World War II, in Wehrmacht service.[15]

Unlike the British or the French, all German soldiers received training on grenade throwing, allowing regular riflemen to immediately lob grenades against enemy incursions, with the dedicated grenade thrower squad only entering in action if the riflemen failed to dislodge the enemy raiders.[20]Stormtroopers carried dozens of stick grenades in empty sandbags slung across their chests when leading assaults.[21]
The Germans often used the stielhandgranate for assaulting enemy fortifications, where it proved to be effective when detonated within the confines of a trench system, building or bunker.[5] When faced against well-defended positions, stormtroopers taped grenades together into bundle charges and planted them over the enemy parapets or into the slits of concrete bunkers.[22] These improvised charges were also deployed as anti-tank weapons when more powerful weapons weren't available.[12]
By 1918, the Stielhandgranate almost completely replaced all other types of grenades used by the Imperial German Army.[12] It was considered as an effective design, though they were heavy and cumbersome to carry.[11]

The Austro-Hungarian Army started the war with several types of domestically produced hand grenades, but their unreliability often resulted in injuries to the thrower. In 1915–16, the army was re-equipped with German-supplied Stielhandgranate and Eierhandgranate grenades, which were more effective and safer to operate than the Austrian designs.[23] In March 1915, the Austro-Hungarians officially issued their own egg grenade and the Rohr stick grenade, a short cast iron cylinder enclosed in a cardboard tube that served as a throwing handle.[24]
Austro-Hungarian stormtroopers made effective use of bundle charges to breach enemy barbed wire emplacements and blockhouses, often wiring several grenades together to a plank of wood in order to create stronger charges.[25] Elite assault mountain units scaled mountain peaks to infiltrate enemy positions and overrun them by throwing grenades from above and from the flanks of an enemy mountain outpost.[26]
Hand grenades, including the Stielhandgranate remained the main weapon of the Austro-Hungarian stormtroopers until 1918, when the Maxim 08/15 light machine gun supplanted them.[27]




The German Stielhandgranate-series has been used in many conflicts, including both world wars.
| User | Type of service | Self-manufactured | Type of model in use | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Model 1915 | Model 1916 | Model 1917 | Model 1924 | Model 1943 | |||||
| Official users | |||||||||
| Full military service | |||||||||
| Full military service | |||||||||
| Full military service | |||||||||
| Full military service | |||||||||
| Yildirim Army Group (Stormtroopers) | |||||||||
| German-trained divisions | |||||||||
| Unofficial users | |||||||||
| Leased/purchased | |||||||||
| Leased/purchased | |||||||||
| ? | ? | ? | ? | ||||||
| Leased/purchased | |||||||||
| Captured/scavenged | |||||||||
| Captured/scavenged | |||||||||
| Captured/scavenged | |||||||||
| User | Type of service | Version | ||
|---|---|---|---|---|
| Chinese copies | Type 98 | Type 67 | ||
| Captured/local design produced | ||||
| Local design produced | ||||
| Local design produced | ||||
| Leased/purchased | ||||