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Undecorated Drawings - BM

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1:18 Drawings

Model Built Phase Numbers Notes Last modified
ALCO RS-3
  
1952-01 1b2 BM 1535-1545 2023-12-30
ALCO RS-3
  
1954-05 -
1955-04
3a-c BM 1505-1519 Phase 3a/b version illustrated;
1518-1519 were Phase 3c
2023-12-30
ALCO RS-3
  
1953-11 3a MEC 556-557 2023-12-30
EMD GP40-2
  
1977-12 2a1 BM 300-317
2023-01-09Revision history:

2019-01-21
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2019-01-24
- Fuel tank moved 2.5" rearward
- Front left traction motor cables moved 2.25" rearward
- Front right traction motor cables and air piping moved 0.75" to 1" rearward
- Revised exhaust stack

2020-12-07
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Increased metal sand pipe diameter
- Air pipe vent valve (left front / right rear under walkway)

2021-01-09
- Fuel tank height and gap from underframe

2022-02-08
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-03-03
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams

1:55 Drawings

Model Phase Numbers Notes Accuracy
EMD GP38-2
  
1b BM 201-212
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP40-2
  
2a BM 300-317
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)

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