Yaak River Timber and Mining Company

Planning and Design

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Planning or Givens and Druthers...

     The Yaak River Timber and Mining Company exists in a fictional corner of the universe loosely based on NW Montana circa 1916.  I am primarily interested in learning techniques of construction and have limited space and time so continuous running is not part of my plans.  I figure I will be building much more than operating.
  • The equipment will be small, designed for the Bachmann Shay but with 18" radius curves to accomodate the upcoming outside frame 2-8-0.
  • The layout will be a simple out and back with a helix and a switchback.
  • The overall size will be 13'6" and 28" wide, 44" at the helix.
  • I'd like a mine, loosely based on the Cimarron mine produced by the Building and Structure company and designed by John Campbell as the Rattlesnake mine and illustrated in the 1998 Narrow Gauge and Short Line Gazette.
  • I'd like a decent sized logging camp served by an AH&D loader
  • I'd like a small town for interchange with the outside world and for engine servicing facilities- I'd really like to build an engine servicing facility.  An extension for a future sawmill would be nice too.  The re-release of the CHB logging equipment combined with the future releases from Western Scale Models create exciting oportunities in that area.

Design:
 
     Using Laurie Greens layout design methods (http://www.lauriegreen.net/) , I began to design a layout that fit my modeling needs.  The Bachmann shay and 20' cars established the basic unit of design.  The overall size was predetermined by my office.  Everything else was artistic. 
 
     After several attempts using a conventional switchback I felt the space was becoming too confining.  It became clear that if I tried to get everthing onto the initial shelf the scenery would be overwelmed by the trackage.  The sawmill and stamp mill were already designated as an expansion element and the engine facility, the initial focus of my design passed into an expansion as well.
 
     I finally decided that the focus of the main shelf would be a long narrow switchback in a steep river valley with a helix on one end for added elevation.  The mine spur would be one end, on a branch of the switchback, and the switchback would end on a plateau on top of the helix. 
 
The initial feeder track would criss cross the river providing for bridges and dramatic rock elements and the Helix would partially snake on the outside of the cliff for a stretch providing for retaining walls or a shallow trestle.  This initial track would come from Troy, the lumber mill town and connection to the outside world that can be added later.
 
The track leaving helix would proceed up a switchback to the mine and then continue up through the logging camp and then on to the small town of Yaak, an expansion module central to the remote mining and logging district.  This would be a great place for a general store, some miners/loggers cabins and a branchline engine facility where the shay and others could be based.

tplan.jpg

To Troy (lower level)                                                                                  To Yaak (upper level)

Here's a rough trackplan that is not to scale but basically correct.  This shows how the layout changed as built.  After much consideration and mental simulation of operations I added a turntable at the mine, and a utility spur.  I lengthened the main passing siding and moved to mine to the end.  This put the entrance track inside a mountain.  I've decided that Troy is going to be a staging yard but I'm going all out for Yaak.  I just figured with the amount of things needed for Troy it would be a while until I built it.
 
Yaak is going to be a 2' by 8' portable module.  It will be on adjustable legs, casters and hinged to the helix.  This will be done lightweight so it can be taken to shows.  Since it would block the entrance to the room it will roll out of the way when not in use.  It will also break down into two pieces so it will fit in my truck easily.
 
 

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