100mm 56 TK coastal artillery cannon

100 56 TK or 100 TK ("100 mm, 56 length caliber, turret gun") is a Finnish stationary coastal artillery gun that utilizes the tank turret from the Soviet T-55 tank with its 100 mm D-10 tank gun. 100 56 TK is the main (light) weapon of the Finnish coastal artillery.

The caliber length of the 100 TK is 5,608 mm. The maximum range is about 18 km. The sustained fire rate is 6 rounds per minute and the muzzle velocity is 880 m/s with HE-FRAG shells. The breech block weighs 63.4 kg. The gun is operated by a crew of 3 NCOs and 7 men (gun commander, 2nd commander, calculator NCO, four ammunition handlers, aimer, elevator and loader). The breech mechanism is semi automatic and the gun is loaded manually.

100 TK was designed in the 1960s to replace aging guns. The first battery was ready in 1969. The guns have been modernized, and in the beginning of the 1990s work was initiated on special sea target shells.

References

* Enqvist, Ove: "Itsenäisen Suomen rannikkotykit 1918–1998", Sotamuseo, 1999, ISBN 951-25-1033-2

External links

* [http://www.pvtt.mil.fi/merivoimat/esikunta/toim_kalusto_16.dsp Finnish Defence Forces material presentation: 100 56 TK (100 mm tornikanuuna)]
* [http://www.rannikonpuolustaja.fi/rp395/10056tk.htm "Rannikon Puolustaja". 100 56 TK-hankkeen vaiheita]