I'm pretty sure the contributor who said that the custom for right side drive dates back to the day when horse back riding was the primary means of travel.  Horses are mounted from the left and I believe that custom was because most men carried their sword on the left.  It would be a bear to climb aboard your trusty charger if your sword scabbord was between you and your mount!
 
Win Allred

________________________________
 From: "bicyclelifestyle@googlegroups.com" <bicyclelifestyle@googlegroups.com>
To: Digest Recipients <bicyclelifestyle@googlegroups.com>
Sent: Monday, September 24, 2012 10:01 PM
Subject: {BL} Digest for bicyclelifestyle@googlegroups.com - 18 Messages in 4 Topics

  Today's Topic Summary
Group: http://groups.google.com/group/bicyclelifestyle/topics
        * Why is the Drivetrain Where it is? [12 Updates]
        * Gates drive belt [1 Update]
        * really basic questions from an amateur [1 Update]
        * Question for the engineers - feasibility of a Gates / regular chain drive switch? [4 Updates]
 Why is the Drivetrain Where it is?
 Gates drive belt
 really basic questions from an amateur
 Question for the engineers - feasibility of a Gates / regular chain drive switch?
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