Quartering

Quartering is the setting of the wheels of a two or four cylinder locomotive to ensure that the crankpins on one side are at 90° to those on the other, in order to ensure self-starting.

Boring Crankpin Holes in the Quartering Machine. From "Locomotive Building"

Methods

Dave Sclavi's quartering jig.

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External Links

• "Steam Locomotive Quartering", PDF
• "Wheel Quartering", Martin A. Barker
• "The LBR Quartering Tool", PDF
• "Quartering Fixture", YouTube
• "Device for quartering driving-wheels of locomotives", US Patent 1,387,533
• Locomotive Building