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Log Transport: Log Flume, Geared Steam Locomotive, Timber Rafting, Steam Donkey, Splash Dam, Skidder, St. Lawrence Boom and Lumber Company
Chapters: Log Flume, Geared Steam Locomotive, Timber Rafting, Steam Donkey, Splash Dam, Skidder, St. Lawrence Boom and Lumber Company, Heli-Logging, Hendre-Ddu Tramway, Kerry Tramway, Swing Yarder, Log Driving, Grapple, Timber Slide, Portage Railway, Cable Logging, ?ierny Hron Railway, High Lead Logging, Peavey, Forwarder, Timberjack, Cant Hook, Log Boom,...
Chapters: Log Flume, Geared Steam Locomotive, Timber Rafting, Steam Donkey, Splash Dam, Skidder, St. Lawrence Boom and Lumber Company, Heli-Logging, Hendre-Ddu Tramway, Kerry Tramway, Swing Yarder, Log Driving, Grapple, Timber Slide, Portage Railway, Cable Logging, ?ierny Hron Railway, High Lead Logging, Peavey, Forwarder, Timberjack, Cant Hook, Log Boom, Shovel Logging, Historical Logging Back Swath Railway, Vychylovka, Skyline Logging, Lumber Hooker, Quadractor. Source: Wikipedia. Pages: 89. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: A geared steam locomotive is a type of steam locomotive which uses reduction gearing in the drivetrain, as opposed to the common directly-driven design. The locomotives use conventional adhesion to provide traction and therefore should not be confused with rack railway locomotives which drive a cog along a rack to provide traction. The steam locomotive, as commonly employed, has its pistons directly attached to cranks on the driving wheels; thus, there is no gearing, one revolution of the driving wheels is equivalent to one revolution of the crank and thus two power strokes per piston (steam locomotives are almost universally double acting, unlike the more familiar internal combustion engine). The maximum rotational speed is fairly fixed for a given engine technology. Given the lack of any variable-ratio transmission between the piston engine and the wheels, the designer is forced to compromise between desired torque and desired maximum speed; the radius of the driving wheels determines this. The radius of the crank affixed to the wheel is of course less than this; its radius determines the length of the piston stroke. This cannot be too large, for the locomotive will be unable to generate enough steam to supply those large cylinders at speed; it cannot...More: http://booksllc.net/?id=318852
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