At the end of 1944, the Imperial Japanese Navy decided it needed large numbers of high-speed coastal submarines to defend the Japanese Home Islands[1] against an anticipated Allied invasion (named Operation Downfall by the Allies). To meet this requirement, the Ha-201-class submarines were designed as small, fast submarines[1] incorporating many of the same advanced ideas implemented in the German Type XXI and Type XXIII submarines. They were capable of submerged speeds of almost 14 knots (26 km/h; 16 mph).[1]
The Ha-201 class displaced 325 metric tons (320 long tons) surfaced and 447 metric tons (440 long tons) submerged.[1] The submarines were 53 meters (173 ft 11 in) long, had a beam of 4.00 meters (13 ft 1 in) and a draft of 3.44 meters (11 ft 3 in).[1] For surface running, the submarines were powered by a single 400-brake-horsepower (298 kW) diesel engine that drove one propeller shaft.[1] When submerged the propeller was driven by a 1,250-shaft-horsepower (932 kW) electric motor.[1] They could reach 11.8 knots (21.9 km/h; 13.6 mph) on the surface and 13.9 knots (25.7 km/h; 16.0 mph) submerged.[1] On the surface, the Ha-201-class submarines had a range of 3,000 nautical miles (5,600 km; 3,500 mi) at 10 knots (19 km/h; 12 mph); submerged, they had a range of 105 nmi (194 km; 121 mi) at 2 knots (3.7 km/h; 2.3 mph).[1] Their armament consisted of two 533-millimeter (21 in) torpedo tubes with four torpedoes and a single mount for a 7.7-millimeter machine gun.[1]
Upon commissioning, Ha-207 was attached formally to the Sasebo Naval District and assigned to Submarine Division 52.[2] On 15 August 1945 — the day after Ha-207 was commissioned — hostilities between Japan and the Allies ended.[2] She surrendered to the Allies at Sasebo on 2 September 1945.[2]
Disposaledit
The Japanese struck Ha-205 from the Navy list on 30 November 1945.[2] She was scuttled along with the submarines Ro-31, Ha-210, Ha-215, Ha-216, Ha-217, Ha-219, and Ha-228 off Sasebo Bay on 5 April 1946.[2]
Notesedit
^ abcdefghijHackett, Bob; Sander Kingsepp (2015). "Sen Taka Sho Type". Sensuikan!. Combinedfleet.com. Retrieved 9 October 2020.
^ abcdefghiHackett, Bob; Kingsepp, Sander (2019). "IJN Submarine HA-207: Tabular Record of Movement". combinedfleet.com. Retrieved 9 October 2020.
Referencesedit
Hackett, Bob; Kingsepp, Sander (2019). "IJN Submarine HA-207: Tabular Record of Movement". SENSUIKAN! Stories and Battle Histories of the IJN's Submarines. Combinedfleet.com. Retrieved 9 October 2020.
Hackett, Bob; Sander Kingsepp (2015). "Sen Taka Sho Type". Sensuikan!. Combinedfleet.com. Retrieved 9 October 2020.
"Rekishi Gunzō"., History of Pacific War Vol.17 I-Gō Submarines, Gakken (Japan), January 1998, ISBN4-05-601767-0
Rekishi Gunzō, History of Pacific War Extra, "Perfect guide, The submarines of the Imperial Japanese Forces", Gakken (Japan), March 2005, ISBN4-05-603890-2
The Maru Special, Japanese Naval Vessels No.43 Japanese Submarines III, Ushio Shobō (Japan), September 1980, Book code 68343-43
The Maru Special, Japanese Naval Vessels No.132 Japanese Submarines I "Revised edition", Ushio Shobō (Japan), February 1988, Book code 68344-36
Ships of the World special issue Vol.37, History of Japanese Submarines, "Kaijinsha"., (Japan), August 1993
January 01, 1970
japanese, submarine, imperial, japanese, navy, class, submarine, completed, commissioned, august, 1945, before, hostilities, ended, world, surrendered, september, 1945, scuttled, april, 1946, history, japan, namesubmarine, 4917, buildersasebo, naval, arsenal, . Ha 207 was an Imperial Japanese Navy Ha 201 class submarine Completed and commissioned in August 1945 on the day before hostilities ended in World War II she surrendered in September 1945 and was scuttled in April 1946 History Japan NameSubmarine No 4917 BuilderSasebo Naval Arsenal Sasebo Japan Laid down23 April 1945 RenamedHa 207 on 1 May 1945 Launched26 May 1945 Completed14 August 1945 Commissioned14 August 1945 FateSurrendered 2 September 1945 Stricken 30 November 1945 Scuttled 5 April 1946 General characteristics TypeSubmarine Displacement320 long tons 325 t surfaced 440 long tons 447 t submerged Length53 00 m 173 ft 11 in overall Beam4 00 m 13 ft 1 in Draft3 44 m 11 ft 3 in Propulsion1 intermediate diesel 400 bhp surfaced 1 250 shp submerged single shaft Speed11 8 knots 21 9 km h surfaced 13 9 knots 25 7 km h submerged Range3 000 nmi 5 600 km at 10 knots 19 km h surfaced 105 nmi 194 km at 2 knots 3 7 km h submerged Test depth100 m 328 ft Complement26 Armament2 533 mm 21 in torpedo tubes 4 Type 95 torpedoes 1 7 7 mm machine gun Contents 1 Design and description 2 Construction and commissioning 3 Service history 4 Disposal 5 Notes 6 ReferencesDesign and description editAt the end of 1944 the Imperial Japanese Navy decided it needed large numbers of high speed coastal submarines to defend the Japanese Home Islands 1 against an anticipated Allied invasion named Operation Downfall by the Allies To meet this requirement the Ha 201 class submarines were designed as small fast submarines 1 incorporating many of the same advanced ideas implemented in the German Type XXI and Type XXIII submarines They were capable of submerged speeds of almost 14 knots 26 km h 16 mph 1 The Ha 201 class displaced 325 metric tons 320 long tons surfaced and 447 metric tons 440 long tons submerged 1 The submarines were 53 meters 173 ft 11 in long had a beam of 4 00 meters 13 ft 1 in and a draft of 3 44 meters 11 ft 3 in 1 For surface running the submarines were powered by a single 400 brake horsepower 298 kW diesel engine that drove one propeller shaft 1 When submerged the propeller was driven by a 1 250 shaft horsepower 932 kW electric motor 1 They could reach 11 8 knots 21 9 km h 13 6 mph on the surface and 13 9 knots 25 7 km h 16 0 mph submerged 1 On the surface the Ha 201 class submarines had a range of 3 000 nautical miles 5 600 km 3 500 mi at 10 knots 19 km h 12 mph submerged they had a range of 105 nmi 194 km 121 mi at 2 knots 3 7 km h 2 3 mph 1 Their armament consisted of two 533 millimeter 21 in torpedo tubes with four torpedoes and a single mount for a 7 7 millimeter machine gun 1 Construction and commissioning editHa 207 was laid down on 23 April 1945 by the Sasebo Naval Arsenal at Sasebo Japan as Submarine No 4917 2 She was renamed Ha 207 on 1 May 1945 and was attached provisionally to the Sasebo Naval District that day 2 She was launched simultaneously with her sister ship Ha 208 on 26 May 1945 2 and was completed and commissioned on 14 August 1945 2 Service history editUpon commissioning Ha 207 was attached formally to the Sasebo Naval District and assigned to Submarine Division 52 2 On 15 August 1945 the day after Ha 207 was commissioned hostilities between Japan and the Allies ended 2 She surrendered to the Allies at Sasebo on 2 September 1945 2 Disposal editThe Japanese struck Ha 205 from the Navy list on 30 November 1945 2 She was scuttled along with the submarines Ro 31 Ha 210 Ha 215 Ha 216 Ha 217 Ha 219 and Ha 228 off Sasebo Bay on 5 April 1946 2 Notes edit a b c d e f g h i j Hackett Bob Sander Kingsepp 2015 Sen Taka Sho Type Sensuikan Combinedfleet com Retrieved 9 October 2020 a b c d e f g h i Hackett Bob Kingsepp Sander 2019 IJN Submarine HA 207 Tabular Record of Movement combinedfleet com Retrieved 9 October 2020 References editHackett Bob Kingsepp Sander 2019 IJN Submarine HA 207 Tabular Record of Movement SENSUIKAN Stories and Battle Histories of the IJN s Submarines Combinedfleet com Retrieved 9 October 2020 Hackett Bob Sander Kingsepp 2015 Sen Taka Sho Type Sensuikan Combinedfleet com Retrieved 9 October 2020 Rekishi Gunzō History of Pacific War Vol 17 I Gō Submarines Gakken Japan January 1998 ISBN 4 05 601767 0 Rekishi Gunzō History of Pacific War Extra Perfect guide The submarines of the Imperial Japanese Forces Gakken Japan March 2005 ISBN 4 05 603890 2 The Maru Special Japanese Naval Vessels No 43 Japanese Submarines III Ushio Shobō Japan September 1980 Book code 68343 43 The Maru Special Japanese Naval Vessels No 132 Japanese Submarines I Revised edition Ushio Shobō Japan February 1988 Book code 68344 36 Ships of the World special issue Vol 37 History of Japanese Submarines Kaijinsha Japan August 1993 Retrieved from https en wikipedia org w index php title Japanese submarine Ha 207 amp oldid 1093105137, wikipedia, wiki, book, books, library,
