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The strap should be a free running fit on the eccentric assembly.
Loctite stake or solder the rod into the strap to prevent it from turning.
Don't set screw the pin in place until you have the valves made.

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Files:

Eccentric Strap Assembly Drawing

Valve Drawing

SolidWorks 2000 Models

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Eccentrics, straps and valves - Completed July 8, 2008

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Sub Assemblies

Bottom End

Crank

Eccentric Strap

Connecting Rod

Crosshead Guides

Piston

Block

53 Revised

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