RS10's / RS18's differences

Paul Tatham <[email protected] #150 This subject came up on the CP Bruce Branches list and as it's a subject re the CPR in general I am reposting it here... It's also a subject I've often wondered about. Perhaps one of you has the answer. toggle quoted message Show quoted text -------- Original Message -------- Subject: Re: Owen Sound/Orangeville Sub Motive Power Date: Wed, 02 Jun 1999 20:29:01 -0400 From: Paul Tatham <ptatham@...> Organization: University of Guelph To: CP Bruce Branches Discussion List <CP_BRUCE@...> Ron Bouwhuis wrote: RS18's were common - but there again I'm not good at identifying differences between RS10"s & 18's. Without getting into issues of doors and louvres, I believe one of the easier > spotting differences involved the MultiMark: RS10 on the short hood; RS18 on > the long hood. That painting difference was due to the RS10's being setup for long hood forward - IIRC an RS10 was just an RS3 with full height hoods. The same method could be used for the maroon and gray scheme - RS10's had the gray "front" on the long hood end. Sure made it easy spotting which was which though! Anyone know why the RS10's and RS18's were configured this way? I note that other original long hood forward locos such as the FM's H-24-66 and H-16-44 were originally long hood forward but were soon converted to short hood forward. Scanning Rail Canada Vol 3 it looks like other than RS10's only the RS2's and 3's (which having a shorter hood had better long hood forward visibility) and the Baldwin DRS-4-4-1000 units remained long hood forward into CP Rail days. (That is of course excluding the end cab "switcher" type locos with no short hood - bit too little collision protection there!) ------------------------------------------------------------------------ Paul Tatham Phone : 519-824-4120 x2836 Senior Systems Analyst Fax : 519-766-9744 University Systems \ UC4 E-Mail : ptatham@... Computing & Communications Services Home : R.R. 2, Guelph, ON, N1H 6H8 University of Guelph : 519-837-1464 Ontario, Canada, N1G 2W1 : "Mileage 44.8, Guelph Sub"
Doug Hately #154 Paul Tatham wrote: From: Paul Tatham <ptatham@...> This subject came up on the CP Bruce Branches list and as it's a subject re the CPR in general I am reposting it here... It's also a subject I've often wondered about. Perhaps one of you has the answer. -------- Original Message -------- Subject: Re: Owen Sound/Orangeville Sub Motive Power Date: Wed, 02 Jun 1999 20:29:01 -0400 From: Paul Tatham <ptatham@...> Organization: University of Guelph To: CP Bruce Branches Discussion List <CP_BRUCE@...> Ron Bouwhuis wrote: RS18's were common - but there again I'm not good at identifying differences between RS10"s & 18's. Without getting into issues of doors and louvres, I believe one of the easier > spotting differences involved the MultiMark: RS10 on the short hood; RS18 on > the long hood. That painting difference was due to the RS10's being setup for long hood forward - IIRC an RS10 was just an RS3 with full height hoods. The same method could be used for the maroon and gray scheme - RS10's had the gray "front" on the long hood end. Sure made it easy spotting which was which though! Anyone know why the RS10's and RS18's were configured this way? I note that other original long hood forward locos such as the FM's H-24-66 and H-16-44 were originally long hood forward but were soon converted to short hood forward. Scanning Rail Canada Vol 3 it looks like other than RS10's only the RS2's and 3's (which having a shorter hood had better long hood forward visibility) and the Baldwin DRS-4-4-1000 units remained long hood forward into CP Rail days. (That is of course excluding the end cab "switcher" type locos with no short hood - bit too little collision protection there!) ------------------------------------------------------------------------ Paul Tatham Phone : 519-824-4120 x2836 Senior Systems Analyst Fax : 519-766-9744 University Systems \ UC4 E-Mail : ptatham@... Computing & Communications Services Home : R.R. 2, Guelph, ON, N1H 6H8 University of Guelph : 519-837-1464 Ontario, Canada, N1G 2W1 : "Mileage 44.8, Guelph Sub" ------------------------------------------------------------------------ Give back to your community through "Grow to Give." Deadline is June 19. See homepage for details. ------------------------------------------------------------------------ C-P-R "Canadian Pacific Railway" I'd say this discussion about long hood forward goes back to the steam days. The front end of a steam engine provided plenty of crew protection from a front end collision. It has been reported that the engineer of a steam train would even open the throttle if an unavoidable level crossing accident was about to take place. The fear was that some part of the car or truck on the crossing would go under the locomotive and derail it. By increasing speed the vehicle might be knocked clear of the train. Most early first generation road switchers ran long hood forward. The improvement in visibility with the short hood forward too favour over the loss of impact protection and many units were converted while later orders on CP came short hood forward. This preference was a long time coming on the N&W, who ordered SD40s and SD45s with their long nose forward. BTW I wonder if it is true that all first generation road switchers on the CN (Canadian National) ran long hood forward????? Doug Hately

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RS10's / RS18's differences