Jolly Roger Class
M 1
Boats in this Class
M 1

 

M 1M 1


Boat M 1
Yard # Werk 52
Type Small minelayer
Class name German navy: UC I. "U" stands for "Unterseeboot" (submarine)
Dutch navy: M 1. "M" stands for Mijnenlegger (minelayer)
Ordered 23 Nov 1914
Laid down 1915
Launched 6 July 1915
Commissioned German navy: 15 July 1915 (the date 5 July 1915, which is often reported, is probably incorrect)
Dutch navy: 30 Jan 1917 (sold to Dutch navy)
Dutch navy: 13 Mar 1917 (commissioned)
Decommissioned 1931
Fate 1931 Discarded
Other names German navy: UC 8
Design German Werner type
Shipyard A.G. Vulkan, Hamburg, Germany
Le x Be x Dr 34 m x 3.19 m x 3.01 m (3.50 is alo being reported)
Displ. surf/subm 171 t / 187.6 t (180/191 t is also being reported)
Engine One Daimler heavy oil engine, 4 stroke, 90 apk.
Main motor One motor/gen, 175 apk
Batteries 112 cells, 4000 Ah during 3 hours
Fuel 3 tons
Propellers 1
Speed surf/subm 6.25 kts / 5.25 kts. 7.5 kts burst speed with electric motor on the surface.
Range surf/subm 850 nm or 1050 at 5 kts / 50 nm at 4 kts. 5 kts for one hour submerged, and 50 nm at 2.5 kts submerged is alo being reported.
Diving depth 50 m
Diving time 23 - 35 seconds??
Complement 15
Torpedo tubes none
Mine shafts 6 vertical shafts near the bow..
Armament 12 mines
Guns 1 machine gun nr. 3 (possibly 6.5 mm Madsen)
Periscope 1 Zeiss, in 1917 exchanged with the periscope of O 8
Notes Drop keel. Single-hull type with two internal main ballast tanks. Heavy oil engine had a lesser amount of horsepower than the electric motor.

 

 

M 1 related pages
M 1 specifications
M 1 history
M 1 in the 1910-1920's
 
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