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New 3 Wheeler Model

Chassis

Chassis

Central chassis member

  1. True up a 10 1/2" x 1 1/4" x 1 1/8" block of Black Walnut.
  2. Set the table saw height to 3/4" then cut across the engine mount area with multiple cuts
  3. Finish cutting engine mount to 7/8" deep on the router table.
  4. Drill rear wheel axle hole 5/16".
  5. Drill a 5/8" hole on C/L at front of rear wheel notch.
  6. Cut 5/8" wide rear wheel notch on band saw.

Cross Frame

I designed my cross frame from the drawings of the 1935-39 Morgan Super Sports getting the pattern in the lower left of the plans. In the lower right is a plan closer to the front end of the new 2011 three wheeler. In both cases it is made from 5/8" thick material.

  1. Cut a rectangle of 5/8" material to size for your choice of cross frame.
  2. Mark and drill the 5/16" axle pin holes.
  3. Mark the outline of the cross frame on the front of the block and cut it out on a band saw.
  4. Round over the edges, top, ends, and bottom on either side of the motor mount slot on a router table with a 1/4" quarter round bit.

Checking Cross Frame Fit Before the Rounding

Cross Frame



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