This was a modification of the earlier TYPE XVII-B which was seen in KTB #119 last month. The primary goal was to increase underwater range with the Walter turbine drive.
Displacement 306 tons
Length 144’
Beam 10’9”
Draft 14 feet
Drive single-shaft Walter geared turbine (diesel engine for back-up)
Power (Walter turbine) 1,160 hp
Power (diesel) 210 hp
Power (electric) 77.5 hp
Speed (Walter turbine) 16 knots
Speed (diesel) 9 knots
Speed (electric) 5 knots
Fuel (Perhydrol) 100 tons
Fuel (diesel) 20 tons
Range (Walter turbine) 660 miles @ 16 knots
Range (diesel) 1,700 miles @ 8 knots
Range (electric) 40 miles @ 5 knots
Tubes (fwd) two 21 inch (carried two torpedoes)
Tubes (aft) none
Guns none
AA Guns none
Crew 19 men
Depth of dive unknown
No TYPE XVII-B2 boats were built
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© Copyright 1996 by Harry Cooper, Sharkhunters International, Inc.
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