Updated 22-02-2015 & 17-07-2018.
This model generally requires a 26″ minimum radius for satisfactory operation.
The picture below shows Putnam & Stowe SR #2 model, distinguished from the #1 model by a having straight stack and round headlight.
A small number of kits were produced at the end of the main build program. This picture shows the main components of a kit for a Sandy River locomotive #2 model.
Note this particular model has no engineered arrangements for sideways displacement of the rear truck, however a similar completed model has run around Precision Scale flex track accurately curved to 48″ radius without problems.
For more pictures of the basic body and chassis & drive arrangements see Putnam & Stowe – Sandy River locomotive #1. Click here to view on another page.
For more information about the Putnam & Stowe operation click here.
Brief prototype locomotive notes
The prototype locomotive was built by Hinkley in 1877 as their works #1261 for the Billerica & Bedford Railroad “Puck” as a strict cab forward Forney design, and also served as;-
Sandy River #2 Echo (1879 – 1890) rebuilt as a conventional boiler first locomotive.
Phillips & Rangeley #2 Bo Peep (1890 – 1893)
Phillips & Rangeley #4 Bo Peep (1893 – 1908)
Sandy River & Rangeley Lakes #4 (1908 – 1912).
For more information about the prototype locomotive, click here.