Type 97 Te-Ke tankette

The Type 97 Light armored car Te-Ke (九七式軽装甲車 テケ, Kyū-nana-shiki kei sōkōsha Teke) was a tankette used by the Imperial Japanese Army in the Second Sino-Japanese War, at Nomonhan against the Soviet Union, and in World War II. It was designed as a fast reconnaissance vehicle, and was a replacement for the earlier Type 94 tankette.[3]

Type 97 Te-Ke
A Type 97 Te-Ke in New Britain in 1945
Place of originEmpire of Japan
Production history
Designed1936–1937
No. built616[1]
Specifications
Mass4.7 tonnes (4.6 long tons; 5.2 short tons)[2]
Length3.68 meters (12.1 ft)[2]
Width1.80 meters (5 ft 11 in)[2]
Height1.9 meters (6 ft 3 in)[2]
Crew2 (commander, driver)[2]
Armor4–16 mm (0.16–0.63 in)
Main
armament
37 mm Type 94 tank gun[2]
Secondary
armament
7.7 mm Type 97 machine gun[2]
EngineIkegai air-cooled inline 4-cylinder diesel[2]
65 hp (48 kW)[2]
Power/weight10 hp/t (7.5 kW/t)
Suspension2-wheel bogie
Operational
range
250 kilometers (160 mi)[2]
Maximum speed 42 km/h (26 mph)

History and development

The origins of the Type 97 lay in a prototype diesel-engine version of the Type 94 Te-Ke developed by Hino Motors in 1936.[4] Although the prototype had a more powerful engine and larger gun, initial trials were not successful and the Japanese Army demanded changes before acceptance. Hino responded with a modified prototype in November 1937, in which the engine was moved towards the rear of the chassis.[4] This design was accepted and full production began in 1938. A total of 616 units were produced from 1938 to 1944 (1 unit in 1937, 56 units in 1938, 217 units in 1939, 284 units in 1940, 58 units between 1941 and 1944).[1]

Design
Type 97 Te-Ke side view

Although the chassis was similar in appearance, the design of the Type 97 was different from the Type 94 in several significant areas. The engine was moved to the rear and the gun turret (commander position) moved to the middle of the tankette, with the driver located to the left side of the hull. This gave the two men a better position to communicate with each other.[5] As with the Type 94, the interior was lined with heat absorbing asbestos sheets.

The main armament was the Type 94 37 mm tank gun, with 96 rounds, barrel length of 136 cm (L36.7), EL angle of fire of −15 to +20 degrees, AZ angle of fire of 20 degrees, muzzle velocity of 600 m/s, penetration of 45 mm/300 m, which was also used by Type 95 Ha-Go. However, due to shortages in the production of this weapon, most vehicles were fitted with a 7.7 mm Type 97 machine gun instead.[6]

The Type 97 replaced the Type 94 on the assembly line in 1939, it was primarily assigned to reconnaissance regiments,[4] and, as with US Army tanks prior to 1941, it was not designed to engage enemy tanks.[7] Because it was a reconnaissance vehicle, built for speed, and not direct combat,[8] its hull and turret were designed for only two crewmen; leaving the tankette commander to load and fire the main gun. As with most tankettes it was severely deficient in armor protection, and was prey for any "anti-tank weapon".[9]

Variants

Several variants of the Type 97 were produced. The Type 98 So-Da APC was designed for use as an armored personnel and ammunition carrier. Production of the vehicle began in 1941.[10] Another produced was the Type 100 Te-Re, which was designed for use as an artillery observation vehicle. It went into production in 1940.[11]

In addition, a Type 97 Disinfecting Vehicle and Type 97 Gas Scattering Vehicle were produced. They were based on the Type 97 Te-Ke chassis, but had a Type 94 tankette turret. The Type 97 Te-Ke was modified and used as a "tractor"; closed for protection against the chemical agents. It would pull either a configured independent tracked mobile liquid dissemination chemical vehicle or a respective tracked mobile disinfecting anti-chemical agents vehicle. It operated in the same way as its predecessor, the Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle.[12][13]

Operational history
Type 97 Te-Ke tankette in China
A camouflaged Type 97 Te-Ke in the Battle of Muar, 17 January 1942

Typically, Type 97s were distributed to support infantry divisions, where they were very often used as armored tractors, supply vehicles, and for recon/scouting.[14]

The Type 97 was successfully fielded in China during the Second Sino-Japanese War of 1938–1945, as the Chinese National Revolutionary Army had only three tank battalions, which themselves consisted of some Italian CV33 tankettes.[15] Their light weight enabled them to be transported easily across the sea or rivers. The Type 97 tankettes first real test of combat came during the Battle of Nomonhan during the months of May through August in 1939 against the Red Army of the Soviet Union. There, although not designed for such combat, the 97 tankette went up against Russian anti-tank guns and 45mm high velocity guns of the Soviet BT-5 and BT-7 light tanks.

With the start of World War II, the Type 97 contributed significantly to the Japanese victories at the Battle of Malaya and the Battle of the Philippines, as its light weight enabled the tank to traverse unsupported bridges and ferry crossing that would be unable to take heavier tanks, and its small size allowed it to travel along the long winding and narrow roads in the area.

Type 97 Te-Ke at the National Military Museum, near Soest/ Utrecht province, The Netherlands

Notes
  1. Zaloga 2007, pp. 10, 17.
  2. Tomczyk 2002, p. 58.
  3. Tomczyk 2002, pp. 55, 57.
  4. Zaloga 2007, p. 10.
  5. Tomczyk 2002, p. 55.
  6. Foss 2003b.
  7. Zaloga 2008, pp. 15, 18.
  8. Coox 1985, p. 157.
  9. History of War:Type 97 Te-Ke Tankette
  10. Tomczyk 2003, p. 57.
  11. Taki's Imperial Japanese Army: Type 100 Observation Vehicle "Te-Re"
  12. Taki’s Imperial Japanese Army: Type 97 Disinfecting Vehicle and Type 97 Gas Scattering Vehicle
  13. Taki’s Imperial Japanese Army: Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle
  14. Tomczyk 2002, pp. 57, 58.
  15. Zaloga 2007, p. 12.

References
  • Coox, Alvin D. (1985). Nomonhan: Japan Against Russia, 1939 (Two volumes). Stanford University Press. ISBN 0-8047-1160-7.
  • Foss, Christopher (2003a). Great Book of Tanks: The World's Most Important Tanks from World War I to the Present Day. Zenith Press. ISBN 0-7603-1475-6.
  • Foss, Christopher (2003b). Tanks: The 500. Crestline. ISBN 0-7603-1500-0.
  • Gander, Terry J (1995). Jane's Tanks of World War II. Harper Collins. ISBN 0-00-470847-4
  • Tomczyk, Andrzej (2002). Japanese Armor Vol. 1. AJ Press. ISBN 83-7237-097-4.
  • Tomczyk, Andrzej (2003). Japanese Armor Vol. 3. AJ Press. ISBN 978-8372371287.
  • Zaloga, Steven J. (2007). Japanese Tanks 1939–45. Osprey. ISBN 978-1-8460-3091-8.
  • Zaloga, Steven J. (2008). Armored Thunderbolt: The US Army Sherman in World War II. Stackpole Books. ISBN 978-0-8117-0424-3.
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