The Stielgranate 41 stick grenade was a German shaped charge, fin-stabilized shell, used with the 3.7 cm Pak 36 anti-tank gun to give it better anti-tank performance. The 3.7 cm PaK-36, was the standard anti-tank gun of the Wehrmacht in 1940. During the battle of France in 1940 it had had trouble dealing with thick armour of French and British tanks. In 1941, when Germany invaded the USSR, the gun was next to useless when confronted with Russian T-34 or KV-series tanks. It was successively replaced by larger calibre weapons, like the 5 cm PaK 38, but there were never enough of them, so it was decided to enhance the capability of the PaK 36 by providing it with new ammunition.
The design looked like a rifle grenade, only considerably larger. One part of its stem, a stick, was placed inside the gun barrel; the other part, a perforated tube, fitted around it. On the tube there were four stabilizing fins. It was shot with a special blank cartridge at a velocity of 110 m/s (360 ft/s), which gave it maximum range of about 800 m (870 yd) (with gun elevation 25°) and around 180 m point blank range (gun elevation 5°).
It was equipped with two fuzes: in the nose, for direct hits, and in the base, to ensure detonation if the target was only grazed. The large calibre of the HEAT warhead and shaped charge of 2.42 kg HE, enabled it to penetrate armour 180 mm thick, enough to defeat any World War II tank. The hit was equally dangerous at any distance, as the shaped-charge effect is not dependent on the velocity of the round at the point of impact. However, due to low velocity the grenade was not very accurate, so the effective range against tanks was around 300 m. Another disadvantage of using Stielgranate was that the gun loader had to leave cover, go in front of the gun and place another grenade on the barrel.
- Weight as fired: 8.6 kg
- Explosive content:
- TNT, 2.42 kg, shaped charge
- Total length: 73.9 cm
- Stem diameter: 37 mm
- Warhead diameter: 160 mm
- nose fuze Bd Z 5130 - Bodenzünder 5130
- base fuze AZ 5075 - Aufschlagzünder 5075 (identical with the one used for Panzerschreck rockets) or its improved variant AZ 5095 - Aufschlagzünder 5095
- Bishop, Chris (1998). The Encyclopedia of Weapons of World War. London: Barnes & Noble Books. pp. 182–3. ISBN 0-7607-1022-8.
- "3.7 Stielgranate 41: 3.7 cm Stick Grenade". Catalog of Enemy Ordnance. U.S. Office of Chief of Ordnance. 2010-07-24. http://www.lonesentry.com/ordnance/3-7-stielgranate-41-3-7-cm-stick-grenade.html. Retrieved 2011-02-18.
- "German 3.7cm Stielgranate 41, Rodded Bomb, W.W. II". http://www.inert-ord.net/rod02h/stielgr/. Retrieved 2011-02-18.
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