NAVYPEDIA

Photo

LM boats after WW I

Ships

Names	Builders	Commissioned	Losses	Transfers	Discarding
LM17; L18, 12.1917- LM18; LM19; L20, 12.1917- LM20, 1926- UZ(S)13; LM31 - 33	Roland-Werft, Hemelingen: LM17, L18, LM19, L20, LM31-33	1917: L18, L20 1918: LM17 1919: LM19	BU incomplete: LM31 - 33	none	1919: LM17 - 19 3.1931: UZ(S)13

Technical data

Displacement normal, t	7.5
Displacement full, t
Length, m	17.0
Breadth, m	2.42
Draught, m	0.60
No of shafts	3
Machinery	3 Maybach HS petrol engines
Power, h. p.	720
Max speed, kts	30.8
Fuel, t	petrol 1500 l
Endurance, nm(kts)
Armament	LM17 - 19: 1 x 1 - 7.9/79, 1 - 450 TT L20: 1 x 1 - 20/60 Madsen
Complement	7

Standard scale images

Graphics

Project history

All boats had aircraft motors. Unlike British boats the German have been armed by one fixed bow TT instead of stern cradles. LM-type boats were used for coast defence, 14 were based on Belgium coast and 7 on Baltic.

Modernizations

1918, LM20: + 1 - 450 TT

1926, UZ(S)13: engines were replaced by 3 Mercedes-Benz (780hp)

Naval service

LM20 was sold in 1919 but reverted to navy in 1926 as ASW boat. LM19 was never commissioned by the navy.