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New 3 Wheeler Model

Engine

S&S Engine Plans

Cut three blocks of the hop hornbeam:

Then copy the front and top views from the drawing onto the blocks.

Engine Marked fro Cutting

  1. Start with using the router to cut the notch in the cylinder head where the spark plugs go.
  2. Then cut the sides of the cylinders on the band saw. (keep the bits )
  3. Use the band saw to cut the crankcase piece along the lines drawn on the front. (keep the bits)

    First Band Saw Cuts

  4. Tape the cut off bits back onto the cylinder blocks and crankcase.
  5. Copy the side views from the drawings onto the blocks.
  6. Band saw the front and back of each cylinder block.
  7. Band saw the front and back of the crankcase.

    Second Band Saw Cuts

  8. Shade in the tops and sides of the cylinder blocks where the corners and back are rounded off. See diagram just above.
  9. Cut off the corners of the cylinder blocks on the band saw.
  10. Mark the lower part of the front of the crankcase that juts out from the rest.
  11. Use a back saw to cut out the front of the crankcase.

    Third Band Saw Cuts

  12. Draw the push rod tubes on the front of the cylinder blocks.
  13. And shade in the sides of the front of the crankcase that taper away to the sides.

    Marked for Carving

  14. File the taper onto the front of the crankcase.
  15. Carve out the push rod tubes.
  16. Sand
  17. Sand some more
  18. Finish sanding with 150 grit
  19. Glue the cylinder blocks onto the crankcase. I used a fat elastic band to hold them together while the glue set.

Assembled Engine



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