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SS1506 - Victoria Street Townhouses Resin Craftsman Kit
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Marble No. 1 which operates on the Passumpsic Railroad in Vermont. The development of Shay and Cli- max locomotives paralleled one anoth- er in that they were both invented by lumbermen (Ephraim Shay and Charles D. Scott, respectively). Both were mechanically adept tinkerers, but they relied on outside firms to assist with
engineering and fabrication
(Lima and Climax Manufacturing). They invented their locomotives in the peak period of lumbering between 1880 and 1896. Charles L. Heisler and his locomo- tive were a bit different. Heisler was a trained mechanical engineer and had some 60 patents granted in his career on everything from a vegetable cutter, to a device to combine sound with a motion picture projector to yield talk- ing motion pictures, to the locomotive that bears his name. In 1891, while in the employ of Ed-
ward Nichols, who was president of both the Brooks Locomotive Works and the Dunkirk Engineering Company of Dunkirk, New York,
Heisler first thought of a locomotive that could com- NEWLY RE-RELEASED!
pete with the Shay and Climax. His early design made improvements to the Dunkirk locomotive, which was built to the Gilbert patent.
The Dunkirk/Gilbert (an early Class A Climax locomotive) used a vertical boiler combined with a small two-cylin- der marine type engine. The vertical boiler was not thermally efficient and the marine engine limited the size of the cylinders, thus limiting the avail- able power. The marine engine crank- shaft transmitted power to the trucks with a centerline shaft which connect- ed the power to the wheels through skew bevel gears. This made all the wheels powered, a good thing, but the gears themselves were difficult to de- sign and manufacture.
No mathematical formula existed at the time to design them and there was no gear-cutting machine capable of mak- ing them. Wooden patterns were devel- oped by trial and error and when perfect- ed were used to cast the metal gears, which then had to be hand polished. Their location inside the truck made them both exposed to the elements and harder to access for maintenance and lu-
#3400/3450 PSC ORE CAR, Available Again NOW AVAILABLE
#12101 Rock Island B-2 Conversion Stock Car #12102 R.I. Stock Car w/Murphy XLA Roof #12103 R.I. Stock Car w/Single Bd Wood Rf.
All Resin Kits, Decals, Data Disks and Detail Parts Also Available
Phone #303-658-9343 Email:
westerfieldmodels@gmail.com P .O. Box 1479, Golden, CO 80402
Website:
westerfieldmodels.com www.westerfieldmodels.com
80 MAY 2013
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