I have been working on a 3D model of a Soule Speedy Twin steam engine for a while, and luckily have access to an original disassembled engine, and also access to the Soule foundry/manufacturing plant, which has been converted to a museum (in Meridian MS).
This engine is what I consider a late-era steam engine design, and is very compact, and quite unique.
The engine has two eccentrics, and even though it has no reversing valvegear or links, it can easily and quickly be reversed.
I am not aware of any other steam engine that has this capability.
This engine was used to power sawmill carriages, and was preferred over an electric motor, since it had more torque than an analogous electric motor, and could be reversed repeatedly without failing (a must for high output sawmill operation).
The bore on this engine is 5".
.
This engine is what I consider a late-era steam engine design, and is very compact, and quite unique.
The engine has two eccentrics, and even though it has no reversing valvegear or links, it can easily and quickly be reversed.
I am not aware of any other steam engine that has this capability.
This engine was used to power sawmill carriages, and was preferred over an electric motor, since it had more torque than an analogous electric motor, and could be reversed repeatedly without failing (a must for high output sawmill operation).
The bore on this engine is 5".
.
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