NAVYPEDIA

Photo

No91 and No92

Ships

Names	Builders	Commissioned	Losses	Transfers	Discarding
Тревога [Trevoga], 9.1934- БК-101 [BK-101], 4.1937- №91 [No91], 2.1944- БК-91 [BK-91] Партизан [Partizan], 9.1934- БК-102 [BK-102], 4.1937- №92 [No92], 2.1944- БК-92 [BK-92]	S Yd, Kolomna: Trevoga, Partizan	1932: Trevoga, Partizan	none	none	1950s: BK-91, 92

Technical data

Displacement standard, t	45
Displacement full, t	55.6
Length, m	32.0
Breadth, m	3.40
Draught, m	0.85
No of shafts	2
Machinery	2 petrol engines
Power, h. p.	100
Max speed, kts	10
Fuel, t	petrol 3.3
Endurance, nm(kts)	600(12)
Armour, mm	belt: 5, CT: 5
Armament	1 x 1 - 76/28 8K, 2 x 1 - 7.6/94
Complement	13

Graphics

Project history

Original project of P. P. Shidlovskiy: armoured boats with gyroscopic righting system and clearing of 102mm/60 gun recoil. They were laid down in 1920 in Kolomna, in 1922 were suspended and completed in 1930-1932 without gyroscopes and 76mm gun instead of 102mm.

Ship protection

Bullet-proof protection.

Modernizations

1941, both: petrol engines were replaced by 2 GAM-34 (1600hp, 22kts).

Naval service

No significant events.