Uhlobo II lwemikhumbi-ngwenya. Ukuzalwa kwe-U-Bootwaffe
ISivumelwano SaseVersailles, esaqeda iMpi Yezwe I ngo-1919, senqabela iJalimane, ikakhulukazi, ekuklameni nasekwakheni imikhumbi-ngwenya. Kodwa-ke, eminyakeni emithathu kamuva, ukuze kugcinwe futhi kuthuthukiswe amakhono azo okwakha, izitshalo ze-Krupp kanye nendawo yemikhumbi ye-Vulcan e-Hamburg yasungula ihhovisi lokuklama i-Ingenieurskantoor voor Scheepsbouw (IvS) e-The Hague e-Netherlands, elithuthukisa amaphrojekthi angaphansi kolwandle ukuze uthole ama-oda angaphandle kanye uqondisa ukwakhiwa kwazo. Leli hhovisi lalixhaswe ngezimali ngasese uButho Lwezempi Lwasemanzini LaseJalimane, futhi ukuntuleka kwezisebenzi ezinokuhlangenwe nakho emazweni athengayo kwasebenza njengesembozo sokuqeqeshwa kwemikhumbi-ngwenya yaseJalimane.
Genesise
Phakathi kwama-oda angaphandle atholwe yi-IVS, ngenxa ye-lobby eqinile yaseJalimane, kunemiyalo emibili yesiFinnish:
- kusukela ngo-1927, izisebenzi zezimayini ezintathu ze-Vetehinen ezingamathani angu-500 zangaphansi kwamanzi ezakhiwe ngaphansi kokuqondisa kwamaJalimane endaweni yemikhumbi yaseCrichton-Vulcan eTurku, eFinland (eyaqedwa ngo-1930-1931);
- kusukela ngo-1928 umakhi wezimayini ongamathani angama-99, ekuqaleni owawuhloselwe iLake Ladoga, owakhiwa eHelsinki ngaphambi kuka-1930, ogama lakhe linguSaukko.
Umnqamulajuqu wokuqeda lo myalelo ubambezelekile ngenxa yokuthi imikhumbi yemikhumbi yaseFinland yayingenalo ulwazi lokwakha imikhumbi-ngwenya, babengekho izisebenzi zezobuchwepheshe ezanele, futhi ngaphezu kwalokho, izinkinga zazibangelwa inkinga yezomnotho emhlabeni wonke ngasekupheleni kweminyaka yama-20s kanye ne-30s kanye iziteleka ezihambisana nayo. Isimo saba ngcono ngenxa yokuzibandakanya konjiniyela baseJalimane (nabo abavela ku-IVS) nabakhi bemikhumbi abanolwazi abaqeda lesi sakhiwo.
Kusukela ngo-April 1924, onjiniyela be-IVS bebesebenza emsebenzini wokwakha umkhumbi wamathani angu-245 oya e-Estonia. IFinland nayo yaba nesithakazelo kubo, kodwa yanquma uku-oda amayunithi angamathani angama-500 kuqala. Ekupheleni kuka-1929, i-German Navy yaba nesithakazelo kuphrojekthi yomkhumbi omncane onesikhathi esifushane sokwakha, okwazi ukuthwala ama-torpedoes nezimayini ezisebenza ogwini lwaseGreat Britain.
I-Vesikko - Ukuhlolwa kwesiJalimane ngaphansi kwesembozo sase-Finnish
Ngemva konyaka, i-Reichsmarine yanquma ukuthuma ukuthuthukiswa kokufakwa kwe-prototype ukuze kuthekeliswe. Inhloso yalokhu kwakuwukwenza abaklami baseJalimane nabakhi bemikhumbi bathole ulwazi olubalulekile ukuze bagweme amaphutha “ezingane” esikhathini esizayo lapho kwakhiwa uchungechunge lwemikhumbi ye-6 okungenani yezidingo zaseJalimane, kuyilapho befinyelela isikhathi sokwakha esingeqile. 8 amasonto.
kunoma iyiphi indawo yemikhumbi (enomsebenzi ojikeleza ubusuku nemini). Ukuhlolwa kwasolwandle okwalandela futhi kwakuzovumela ukusetshenziswa kwezikhulu zemikhumbi-ngwenya “ezindala” endaweni yokulondoloza imvelo ukuqeqesha isizukulwane esisha samaphoyisa. Ukufakwa kwakudingeka kwakhiwe ngesikhathi esifushane kakhulu, kusukela umgomo wesibili kwakuwukwenza izivivinyo nge-torpedo entsha - uhlobo G - oluqhutshwa ngogesi, 53,3 cm, 7 m ubude - G 7e.