Technical Specifications

U-86 (Construction No 256) was ordered at the Germania shipyard in Kiel on the 23rd June 1915. The keel was laid on November 5th, 1915 and the boat was launched on November 7th 1916.
 
The technical specification of the boat was:
 
Displacement (m³) surfaced
808
Displacement (m³) submerged
946
Length (m)
70.1
Beam (m)
6.3
Draught (m)
4.0
Propulsion Main (no. x hp)
2x 1200 Diesel MAN
Propulsion EL (no. x hp)
2x 600 EM
Fuel Capacity
81+38
Speed surfaced (kn)
16.8
Speed submerged (kn)
9.1
Range surfaced (nm/kn)
11200/8
Range submerged (nm/kn)
56/5
Armament
2 bowtubes, 2 sterntubes, 8 torpedoes (50cm), originally 2 x 8.8cm guns, archaeological evidence for U-86 shows that the bow gun has been replaced by a 10.5cm gun