SD70M-2, idan aka kwatanta da SD70ACe, ya nuna yadda karfin AC ya yi kyau. Wannan locomotive DC din ya sayar da wani kashi kawai na 'yar uwan AC na zamani.
Tarihin Abubuwan Hulɗa
Mai Ginin: General Motors, Wurin Lantarki na Electro (EMD) / Rail
AAR Type: CC
Dates Ginin: 2005 - 2011
Lambar da aka gina: 331
Harshen doki: 4,300
Engine: 16-710G3C-T2
Length: 74ft 3d
SD70M-2 ya karu daga buƙatar EMD ya bi sabon bukatun Tier II a Amurka.
Duk da yake gyaran da aka yi daga cikin SD70M na gaba ba su da ƙananan ƙananan, an yi amfani da locomotive tare da sabon tsarin da mutum. Kodayake shirin da aka raba gaba ɗaya daga -2 kyautatuwa na shekarun 1970, SD70M-2 daidai yake da ingantaccen tsarin SD70M.
Hakazalika a bayyanar da SD70ACe, SD70M-2 shine mahadin motsa jiki na DC. Alamar ta farko ita ce akwati da aka kwashe a bayan motar a kan gefen sashin mai kwakwalwa a kan AC, (an rufe a kan M-2.)
Tun da gabatarwa da waɗannan locomotives, GM ta sayar da EMD. Mai ginawa yanzu ya kasance na Progress Rail. Bayyana locomotives ba ta canza ba a bayan farantin ginin.
Babban babbar gasar SD70M-2 shine General Electric ES44DC. Ka'idar "Evolution" ta GE ta haifar da SD70M-2 a tallace-tallace, kuma, tare da maye gurbin Tier 4 ba a shirya daga Railway Riga ba har 2017, GE yana shirye-shiryen mika wannan jagora.
Lokacin da aka fara gabatar da sakon SD70 a farkon shekarun 1990, motar motar ta AC ta kasance wani abu ne mai ban mamaki.
Tallace-tallace na SD70 da SD70M idan aka kwatanta da SD70MAC. Da kawai 331 SD70M-2s idan aka kwatanta da fiye da 1100 SD70ACe ya bayyana a fili cewa AC motor yana nan don zama.
Ƙasar Kanada da Norfolk Southern suna aiki mafi yawan jiragen sama na locomotives ta nesa. Florida Coast Coast ta mallaki 11 SD70M-2s amma a shekarar 2015 ya fara karbar sabon sabbin GE locomotives - na farko na tsawon lokaci na EMD.
Abubuwan da aka saba amfani dasu AC sun kasance suna aiki da sauri "janye" kamar kwararon motsa jiki, tare da ƙungiyar DC da aka ba da kyauta. SD70M-2s suna da alaƙa da za a sanya su zuwa ga motoci da sauransu. Rashin girma a cikin kwalba da kuma naúrar man fetur da kuma zirga-zirgar zirga-zirga a cikin shekaru goma da suka gabata ya taimaka wajen bayyana fassarar zuwa ikon AC. Hanyoyin locomotives sunyi tafiya zuwa jiragen kasa daban-daban duk da haka sukan yi musayar daga jirgin kasa zuwa wani. Wannan "ikon kasashen waje" yana taimakawa wajen kirkiro wasu launuka masu yawa a cikin wani lokaci lokacin da kamfanonin da kansu ke kallon su da yawa a duk hanyoyi.
Tare da sababbin ka'idojin watsi da za a yi tasiri, ba za a iya yiwuwa SD70M-2 ba za a gina - akalla don sabis na Arewacin Amirka. Tun daga shekarar 2015, mai maye gurbin yana cikin lokaci na zane. Duk da haka, idan dai ya tabbatar da abin dogara kamar waɗanda suka zo gabanin, ana ganin SD70M-2 zai kasance a kusa da shekaru masu zuwa.
Railroads na asali
- Ƙasar Kanada - 190
- CIT Financial - 3 (An hayar zuwa Florida Coast Coast har sai 2014)
- EMD - 8 (An hayar zuwa Florida Coast Coast har sai 2014)
- Norfolk Southern - 130
Ayyuka
Kodayake ba samfurin da ya dace ba tare da samfurin, saboda ana iya daidaita shi tare da ƙananan sauƙi mai sauƙi dalla-dalla / kayan aiki, wasu masana'antun da suka yi SD70ACe sun samar da SD70M-2.
Jerin samfurin da ke ƙasa yana ƙayyade kawai ga SD70M-2 kanta. SD70ACe ta zai zama mahimmanci na mahimmanci na kullun a wasu Sikeli ko za a iya amfani dashi kawai a matsayinsu.
N Ƙari: Kato
HO Scale: Athearn, Overland (tagulla)
O Sake: MTH Overland