However, anyone trying to fire it this way would receive a severe bruise (or sometimes a broken thigh bone) from its hefty recoil.[1]. 900 g), it was known as the Type 89 50mm shell, and was made in high explosive (HE), incendiary and smoke variants. Art, Antiques & Collectibles > . To fire, the gunner removed the fuses safety pin and dropped the bomb tail first down the muzzle of the knee mortar. Features some original paint withtraces of a red band at the top,with much paint lost to oxidation. Please see our. The Type 89 Grenade Discharger ( Hachiky-shiki j-tekidant? It differs from the earlier Type 10 grenade discharger in that it has a rifled barrel. When fired from the Type 89 discharger, the Type 91 fragmentation grenade was fitted with a propellant base and time fuse. It was smaller than regular artillery pieces and was closer in size to a rifle. As part of this effort, the Japanese Army had adopted by 1932 a set of fragmentation grenades with almost universal adaptability. 2013 Japanese WWII Original 50mm Mortar Round Model 89 -1929 See Sold Price. The fuzes and rounds were not assembled until use for safety reasons, so the fuze date rarely matches the housing date. With its curved support plate, the Type 89 was designed to be placed on the ground or against a log or trunk at a fixed firing angle of 45 degrees. What made the Model 89 knee mortar innovative was its portability: Unlike other mortars, the shape of this kind wasn't as clunky, and it didn't require any elaborate setup to use. events, and resources, What Made the Dreaded Type 89 Knee Mortar So Damaging. Everything for sale on ima-usa.com is completely legal to own, trade, transport and sell within the United States of America. Features original paint with a yellow band on the body and a red band at the top, both painted over with black. By enthusiastically adopting the latest technology, tactics, and equipment from around the world, the Japanese built a remarkable military machine that would set the stage for the Pacific theater of the Second World War. Join historians and history buffs alike with our Unlimited Digital Access pass to every military history article ever published (over 3,000 articles) in Sovereigns military history magazines. It fired from a trigger and, while normally designed to be shot at a 45-degree angle to the ground, could be aimed horizontally like a rifle and (if properly braced) direct fired. The force of discharge also set back and armed the fuse in the nose projectile and recocked the mainspring inside the mortar. The method worked equally well when firing from deep trenches or pits, or between various building obstructions when fighting inside a built-up town or city. The battalion was reactivated on 4 August 1950 at MCB Camp Pendleton and were assigned to the 1st Marine Division. In the scope of early 20th century warfare, the military of the Empire of Japan in many cases punched above their weight class. Thus, when a new and improved 50mm knee mortar was adopted in 1929, it became the Type 89 knee mortar, with 1929 being the 2,589th anniversary of the Japanese Empire. Series Dedication The Red Gambit series of books is dedicated to my grandfather, the boss-fellah, Jack 'Chalky' White, Chief Petty Officer [Engine Room] RN, my de facto father until his untimely death from cancer in 1983, and a man who, along with many millions of others, participated in the epic of history that we know as World War Two . The Type 89 could fire two types of grenades or shells: the Type 91 grenade, which was a normal infantry fragmentation grenade adapted to the Type 89 discharger, and the Type 89 50mm shell, which was an impact-detonated shell with considerably more explosive power. (1) WWII Japanese Type 97 fragmentation grenade. The curved T-shaped base of the Type 89 seemed to reinforce this belief. Using this system, the Type 91 grenades could be launched through jungle cover or through small openings without the danger of premature detonation in the event the grenade struck an object on its way to the target. To fire the shell (which had a nose-mounted impact fuse that detonated on contact), it was dropped base-down inside the tube of the discharger. (1) WWII Japanese 37mm brass round. The Model 89 was by far the most prolific of the grenade dischargers and the weapon most commonly encountered by Allied Marines and soldiers throughout the various theaters of the Pacific War. The weapons were almost always fired at 45 degrees elevation. Japans answer to the problem was the Type 89. Features original paint with a yellow band on body and a red band at the top. Not eligible for payment with Paypal or Amazon. The Mortar round is inert and can never be used as a weapon or for its original intended purpose, therefore complies with BATF guidelines governing ordnance. IMA considers all antique guns offered on our website as non-firing, inoperable and/or inert. United States forces soldiered on with the little loved rifle grenade until the advent of the M79 40mm grenade launcher during the early stages of the Vietnam War. With its curved support plate, the Type 89 was designed to be placed on the ground or against a log or trunk at a fixed firing angle of 45 degrees. (2) WWII Imperial Japanese Type 89 (50mm) knee mortar round. That term "knee mortar" is not a translation from the original Japanese name for the weapon; rather, Craig tells Rick that American soldiers came up with the term from a misunderstanding of how the weapon was used. [6], The Type 89 discharger saw service at the Battle of Khalkhin Gol in Manchuria during the Second Sino-Japanese War. REPLY #89, Page 5 FL 07-15 PUBLIC LAW 109-461 (June 6, 2007), (legislation governing the recognition of agents and attorneys representing . To offset their frequent lack of artillery, the Japanese augmented their firepower through the extensive use of mortars, the best and most cost-effective substitute for industry-intensive heavier artillery. A weak creep spring inside the grenade firing mechanism allowed the firing pin to be thrown back upon launching, igniting a time fuse with a 7-8 second delay. As part of this effort, the Japanese Army had adopted by 1932 a set of fragmentation grenades with almost universal adaptability. However, any soldier or marine who tried to fire a captured Type 89 in this fashion received a severe bruise (and sometimes a broken thigh bone) from the hefty recoil. By setting the Type 89 discharger at a fixed angle of 45 degrees, and varying distance to target by adjusting the size of a variable chamber space inside the discharger mechanism, soldiers could adjust fire onto multiple targets at varying ranges while firing the contact-detonated 50 mm shell through a single small clearing in the jungle canopy. Stripper Clip WW2 Japanese Type 92 heavy Machinegun caliber 7.7 stripper clip of ammunition in stripper in original package. Conversely, the standard American infantry rifle company had only three 60mm mortars in a separate weapons platoon. With its curved support plate, the Type 89 was designed to be placed on the ground or against a log or trunk at a fixed firing angle of 45 degrees. Measures 2 inches wide 5.75 inches in overall height, and the bottom propellant cup charge still unscrews. Using this system, the Type 91 grenades could be launched through jungle cover or through small openings without the danger of premature detonation in the event the grenade struck an object on its way to the target. Original Items: Only One Set Available. As part of this effort, the Japanese Army had adopted by 1932 a set of fragmentation grenades with almost universal adaptability. Cookies help us deliver our Services. This product is not available for international shipping. In addition, the weapon has a shorter barrel in caliber length than most mortars. The Type 89 discharger first saw service in China and Manchuria. By placing an order, the buyer represents that he/she is in compliance with the law and will utilize the items in a lawful manner. Everything for sale on ima-usa.com is completely legal to own, trade, transport and sell within the United States of America. Also included is an original inert Type 89 mortar grenade round which was original Japanese manufacture then used by US Military for training is totally inert. The Type 89 Grenade Discharger ( Hachiky-shiki j-tekidant), inaccurately and colloquially known as a knee mortar by Allied forces, is a Japanese grenade launcher or light mortar that was widely used in the Pacific Ocean theatre of World War II. Features original paint with a yellow band on the body and a red band at the top. Technically, the Type 89 shells had too much explosive and not enough metal, producing a lesser amount of relatively small shrapnel much more likely to wound than kill. After studying employment of grenades and mortars on the battlefield, the Japanese Army developed hand grenades, rifle grenades, and grenade/mortar shell dischargers (small mortars) suited to warfare in typical short-range combat environments such as urban, trench, and jungle warfare. By setting the Type 89 discharger at a fixed angle of 45 degrees, and varying distance to target by adjusting the size of a variable chamber space inside the discharger mechanism (see also the Granatnik wz. The pawnbrokers of "Pawn Stars" love guns whether they be rifles, spearguns, or revolvers but isn't there a little room in their hearts for grenade launchers? During World War II, the weapon was used effectively against the Allied defenders in the Battle of Corregidor in May 1942. Related Guns & Firearms. The Imperial Japanese Army issued three Type 89s per platoon, making it their most widely used infantry fire support weapon. Rick's first question for Craig reflects the complicated rules that the pawnbrokers must follow when buying weapons: Is it legal to own? Every musket, rifle, display machine gun, machine gun parts set or gun sold by IMA, Inc is engineered to be inoperable according to guidelines provided by the US Bureau of Alcohol, Tobacco, Firearms and Explosives (BATF). The Japanese Knee Mortar By Cliff Carlisle The WW2 Japanese 50mm Grenade Discharger was called a Knee Mortar by the US GIs due to it's curved base. Inert of course. The Type 89 heavy grenade discharger was adopted in 1929, but production did not begin until 1932. Photo Credit: Misnamed by the American GIs who opposed it in combat, the Japanese Type 89 knee mortar was actually a light grenade launcher fired from a position on the ground. We assume no liability associated with misuse of our products. Gee Colin. By setting the Type 89 discharger at a fixed angle of 45 degrees, and varying distance to target by adjusting the size of a variable chamber space inside the discharger mechanism, soldiers could adjust fire onto multiple targets at varying ranges while firing the contact-detonated 50 mm shell through a single small clearing in the jungle canopy.
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