U4501
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| U4501 | 4501 | Blohm & Voss, Hamburg | --- | --- | --- | never laid up, part of hull sections were prepaired | |
| U4502 | 4502 | Blohm & Voss, Hamburg | --- | --- | --- | never laid up, part of hull sections were prepaired | |
| U4503 | 4503 | Blohm & Voss, Hamburg | --- | --- | --- | never laid up, part of hull sections were prepaired | |
| U4504 | 4504 | Blohm & Voss, Hamburg | --- | --- | --- | never laid up, part of hull sections were prepaired |
|
Displacement standard, t |
|
|
Displacement normal, t |
842 / 926 |
|
Length, m |
56.2 |
|
Breadth, m |
5.45 |
|
Draught, m |
5.90 |
|
No of shafts |
1 |
|
Machinery |
1 MWM diesel + 1 MAN diesel-generator / 1 Brückner & Kanis -Walter geared hydrogen peroxide steam-gas turbine / 1 AEG electric motor + / 1 SSW crouching electric motor |
|
Power, h. p. |
580 + 265 / 7500 / 536 / 71 |
|
Max speed, kts |
11 / 24 / 10 (main electric motor) / 5 (crouching electric motor) |
|
Fuel, t |
diesel oil 65 + Walter fuel 97 |
| Endurance, nm(kts) | 7300(10) / 158(22) or 45(6) or 107(4) |
|
Armament |
10 - 533 TT (4 bow, 6 aft amidships, 10) |
| Electronic equipment | FuMO 61 radar, GHG, Balkon-Gerät hydrophones, FuMB 3 Bali, FuMB 6 Palau ECM suites |
|
Complement |
33 |
| Diving depth operational, m | 135 |
Project history: Last submarine series of Walter`s design. Design included all new features of XXIII and XXI series, exclude fast torpedo reloading system: TT had no spare torpedoes but submarine could had 6 side-placed TTs directed aftward, placed in second torpedo compartment.
© Ivan Gogin, 2008-14