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You searched for: Topical Subjects Logging and Lumbering--Neighbors' Collection. Remove constraint Topical Subjects: Logging and Lumbering--Neighbors' Collection. Topical Subjects Gearing. Remove constraint Topical Subjects: Gearing.
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Unlike standard steam engines every wheel of the Shay engine and tender is a drive wheel no wheel can spin unless they all spin, thus giving the Shay tremendous power. Vertical cylinders and the crankshaft make multiple power strokes per revolution of the gear driven wheels for a smooth, even flow of power to negotiate steep grades with heavy loads effortlessly.

1. Shay Engine (Close Up of Gears)

IDNO:
000503
Title:
Shay Engine (Close Up of Gears)
Date:
undated
Description:
Unlike standard steam engines every wheel of the Shay engine and tender is a drive wheel no wheel can spin unless they all spin, thus giving the Shay tremendous power. Vertical cylinders and the crankshaft make multiple power strokes per revolution of the gear driven wheels for a smooth, even flow of power to negotiate steep grades with heavy loads effortlessly.