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#20352
mercuryman
Participant

    Shaw & Tenney Oar Length Formula for Correctly Fitted Oars
    Inboard length of the loom equals ½ the span between the oarlocks + 2″
    Total length of oar equals 1/7 of inboard length multiplied by 25
    Distance from the center of leather to end of grip equals 7/25 of the total length of the oar
    Oars measured according to this formula will have a leverage ratio of 7:18.
    Measuring oars drawing
    – See more at: http://www.woodenboat.com/choosing-prop … ewkIE.dpuf

    West Marine rounded it to 7 feet