Three Brothers(ụgbọ mmiri)

+Three Brothers

Three Brothers bụ obere ụgbọ mmiri na-ebu osisi na Great Lakes nke Milwaukee Shipyard Company nke Milwaikee, Wisconsin rụrụ n’afo 1888 maka ụlọ ọrụ John Spry Lumber Company nke dị na obodo  Chicago. Na mbụ, a na-akpọ ya May Durr ma na-ebu nọmba gọọmentị 91998. E kwuru na ụgbọ miri ahụ dị tọn 582, tọn 444, a tụọ feet otu nari iri isii na abuo ( mita iri ano na iteghete ) n'ogologo, nwere ogwe 31.4-foot (9.6 m) na draught nke 11.8 feet (3.6 m). Ọ nwere ike iburu 530,000 board feet (1,300 m3) nke osisi.

Ngwá ọrụ ahụ bụ Steeple Compound steam engine nke Frontier Engine Works nke Buffalo, New York rụrụ n’afo 1888. A adoro injin ahụ na 280 horsepower ( kW nari abuo na iri) ya na revolutions iri iteghete na isii kwa nkeji. Ọ bụ R. Davis nke Milwaukee mepụtara igbe ọkụ ahụ ma tinye ya na 100 pound kwa square inch (690 ).

N'afọ 1892, a gbanwere aha May Durr ka ọ bụrụkwa John Spry. N'etiti afo 1905 ya na 1910 e rere ụgbọ mmiri ahụ na William H. White & Co. nke Boyne City, Michigan, ebe a gbanwere aha ya ka ọ bụrụ Three Brothers n'aha ụmụnne White William, James ya na Thomas nke Charlevoix, obodo  Michigan. Mgbe ahụ, a na-agbanye ụgbọ mmiri ahụ n'ọrụ osisi siri ike n'etiti Lake Charlevoix ya na Tonawanda nke obodo New York.

N'abalị iri abụọ na asaa n'ọnwa Septemba nke afọ 1911, ụmụnne atọ na-ebu ibu osisi siri ike nke ruru $ 4,200 site na Boyne City gaa Chicago. Mgbe ọ hapụsịrị Boyne City, ụgbọ mmiri ahụ na-aga n'ụgbọ mmiri n'oge ihu igwe siri ike, na mkpuchi ahụ malitere ịgbapụta karịa ka ọ na-emebu. N'oge na-adịghị anya, miri jupụtara na mgbapụta ahụ, na-arịgo ngwa ngwa karịa feet asato (2.4 m) n'elu keel. Mmiri ahụ jupụtakwara n'ebe a na-echekwa coal, na-amanye ndị ọrụ mgbanyụ ọkụ iji kerosene kama iji coal mee ka nrụgide anwụrụ ọkụ dịgide.

Iji wee zọpụta ụgbọ miri ahụ, onyeisi ụgbọ mmiri ahù bù Sam Christopher họọrọ ịkwọ ụgbọ mmiri ahụ n'ikpere mmiri na South Manitou Island, ebe ọ dara naanị yard nari abuo (mita otu nari Na iri asato) n'ebe ọwụwa anyanwụ nke ọdụ nchekwa ndụ. Mgbe ụgbọ mmiri ahụ kụrụ n'ikpere mmiri, ụta ahụ meghere ma kụtuo ụlọ onye na-anya ụgbọ mmiri ya. Akpụkpọ ụkwụ ahụ dị ihe dị ka mita 4.6 nke mmiri, na azụ ya dị mita 15 nke mmiri. Ndị ọrụ nchekwa ndụ napụtara onyeisi ụgbọ mmiri na ndị ọrụ 13 niile.

Mgbe ihu igwe kwụsịrị, onye ọkacha mmasị ahụ mere mgbalị na-enweghị isi ịtọhapụ ụmụnne atọ, a kwupụtakwara na ụgbọ mmiri ahụ karịrị uru nzọpụta. Ka ọ na-erule afọ nke 1912, ụgbọ mmiri ahụ ekpuola mmiri kpamkpam.

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