Pasina mubvunzo chimwe chezvinhu zvakakurumbira uye zvinozivikanwa zvinoshandiswa ne diesel nguva dzose, iyo EMD F-units yakaroora maitiro, uye kushandiswa kwemhando, simba uye kuvimbika. Kusvika pane imwe nguva apo magetsi ekugadzirisa madhairiki akatonga rairi uye dizizi dzakasimudzirwa kutsigira mabasa, maF aakachinja chiso chekufambisa nharaunda kuNorth America nokusingaperi.
Kutanga neFT yekutanga muna 1939 uye ichifambisa kuburikidza neF9 yekupedzisira muna 1960, F yezvikwata zvelocomotive yakaramba yakafanana. Chikamu chinonyanya kukosha chavose chaiva "nhengo yedhongi" pfumbu. Izvi ndizvo zvakashandiswa pamashure mokutanga uye makuru E mitambo - E7 , E8 uye E9 . Icho chiso chinoramba chichinyanya kufarirwa nevashambadzi uye vateresi vemazuva ano sezvazvakanga zvakaita muma1940.
Cabless booster kana " B zviguniti " zvaiwanika kune vazhinji F unit models. Nzira dzakasiyana dzakasiyana-siyana dzakagadzirwa nemigwagwa dzakasiyana-siyana sezvavakavaka dzinosanganisira tsika yakakonzerwa nechitima chimwe nechimwe.
Izvi zvinogadziriswa nesimba, uyewo kushandiswa kwekutakura midziyo yevatengesi kana vatengesi, pamwe chete nemashandiro avo ekugadzirwa kwepamagetsi anopa simba rinoshandiswa rekushanda kwezvikepe kana richienzaniswa nemagetsi edzimba aya aya anotsiva.
Kunyange zvazvo ruvara rutsva rwuri kuronga, kunyanya kukosha kweEG's series, yakatanga kushandura zvikamu zveF F nema1950, zvikepe zvakaramba zvichifamba mumigwagwa kusvika kuma1970. Nhasi, dzakawanda dzakachengetwa mumamyuziyamu uye munharaunda dzenzira dzevashanyi dzine vashomanana kunyange dzakachengetwa nezvitima zvekushandisa ivo pachavo vashandisi vekushandisa.
Kunyange zvazvo vese vangaita sechinhu chimwe chete pakutanga, rimwe nerimwe reF f rine nzvimbo yaro munhoroondo. Chimwe nechimwe chezviitiko zvinotevera zvinosanganisira nhoroondo yakawanda, rondedzero yemigwagwa yakatanga kutenga injini uye runyorwa rwezvienzanidzo zvakazivikanwa zvakaitwa mune imwe yezviyero zvikuru. (Uye kune vamwe iro rakatora nguva refu!)
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FT
FT varatidziro Nha. 103 akaita zvakawanda kuti apedze nguva yehuvhu kupfuura chero imwe nzvimbo. © 2014 Ryan C Kunkle, ane mvumo kune About.com, Inc. Nzvimbo yakatangira iyo yose, FT inotanga kutenga iyo Electro Motive Corporation kutengwa naGeneral Motors (apo EMC yakava EMD). Bhuku reABBA rakaratidza hutungamiri hweUnited States uye rakaratidza kuti kwete chete iyo dizizi inogona kuita basa rekugadzirisa mhepo, vanogona ita basa revhavharotive chero ipi zvayo, pane chero motokari. Yakanga yakawanda kudarika kutanga kwemagetsi, ndiyo yakanga iri kutanga kwekuvandudza.
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F3Kunyange zvazvo F3 ichiita sechishandurwa pamusoro pekugadzirwa kwayo, "fukisi yenyika" grill inotarisa kuonekwa pane idzi DL & W dzakadzorerwa zvakanyatsobatanidzwa nemhando. © 2014 Ryan C Kunkle, ane mvumo kune About.com, Inc. Kutevera WWII, kubudiswa kwakashandurwa kuF3 model. I "F" pakutanga yaireva "Kutengesa" asi nekuvandudzika mujini iyo yaireva kuti "Negumi nemana" - se 1400 horsepower. Iyi yero yakanga isiri yeimwe chikwata, asi maBAB akabatanidzwa, imwe neimwe ine 700 horsepower injini injini.
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F7
Kudzorerwa F7 kubva kuChicago neNorweswestern neB & O (pakutanga B & LE unit) inoitira vataridzi muna 2014. © 2014 Ryan C Kunkle, ane mvumo kune About.com, Inc. IF7 ndiyo yakatengeswa zvakanakisisa yeF unit unit. Hondo yeHondo yakawedzera kusvika 1500 kune mapoka maviri ezvitoro. Kubva kuMaine kuenda kuCalifornia, F7 yaiva chiso chekutakura uye vatengesi vevatengesi kwechizvarwa.
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F9Norfolk Southern's executive F9s yakave ichivakwa zvikuru asi ichiri kuchengetedza iyo yakawanda yakavharwa ngoro yakaonekwa. © 2014 Ryan C Kunkle, ane mvumo kune About.com, Inc. Nenguva yekugadzirwa kwakatangira paF9 muna 1954, EMD yakanga yatotanga kujekesa uye kubudirira kwakanaka neGP7 yavo. Kunyange zvakadaro, "yekare ngoro yakavharwa" yakapiwa imwezve yepamusoro-kusvika 1750 horsepower / pair - uye yakatengeswa kumigwagwa iripo mumusika wekugadzirisa simba kune imwe nzira.
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FP7 / FP9Pan Am Railway's PAR 1 GMD-yakavakwa FP9, ichiri kushanda semasimba emigwagwa yebhizimisi rezvitima muna 2016. © 2016 Ryan C Kunkle, ane mvumo kune About.com, Inc. Saizvozvowo mukati maF7 neF9, maFP emhando dzaisanganisira jenereta yemhepo yebasa revatakuri. Kunyange zvazvo izvi zvaive zvingasarudzwa pane mamwe mawindo eF uyewo, maFP emitambo yaivewo nechimiro chiduku chinyorwa chokugadzirisa tangi yemvura kune gomba risina kupira simba remafuta. Zvose zveFP mifananidzo dzaive A mauniti. Vangave vakagadzikana ne maBunisi e-chero ipi zvayo zvakadaro.
Kunyange zvazvo inotengeswa yevashandi vekufambisa, vashandi vezvikwata zvemaFP vaikwanisawo kutakura zvitima zvekutakura.
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FL9
FL9 2019 ichangobva kudzorerwa yakatengesa kubhadhara vatengesi nokuda kwekutora vatashanyi. © 2014 Ryan C Kunkle, ane mvumo kune About.com, Inc. Ikupedzisira uye yakasiyana zvikuru yezvikwata zveF, FL9 yaiva tsika yakakosha yevashandi vekuenda kune imwe nzvimbo uye kubva kunze kweGreat Central Terminal. Inokwanisa kushanda seyakagadzirwa nemagetsi ejeri kana kutora magetsi kubva kune chetatu chezvitima, nzvimbo dzinoshandiswa dzinogona kushanda zvakanaka uye dzichibva mumugwagwa wakareba kuenda kuNew York.
IF9 yakanga ine yakasiyana-siyana yakasungirirwa 5 uye yaiva yakareba kudarika yaiyo F. Vakaratidza kuguma kweF unit chikwata muna 1960 uye vaiva pakati pekupedzisira mubasa renguva dzose muUnited States, kuchengetedza nzvimbo yavo munhoroondo uye kuchengetedzwa.