Requirements for the Simplex Engine

Bill of Materials Fasteners
Location Qty. Finished Size Matl. Location Size Lgth Type Qty
Base 1 1.375" x 1.375" x .375" Alum. Cyl. To Frame 1-72 3/8" SHCS 4
Frame 1 2" x 1" x .375" Alum. Air Line Supt. 1-72 .150" SHCS 1
Flywheel 1 1.25" Dia. x .325" Brass Bracket        
Cylinder 1 1" x .5" x .563" Alum. Base to Frame 4-40 1/2" SHCS 2
Air Supply Line 1 3/32" Dia. Tube x 1.75" Brass Tube Crank Disk 4-40 3/16" Set Scrw    1
Bearing 1 .375" Dia. x .710" Brass Flywheel  2-56 1/4" Set Scrw    1
Crankshaft 1 3/16" Dia. x 1.400" Drill Rod Wrist Pin 1/16" .375" Dowel Pin 1
Crankdisk 1 .688" Dia. x .156" Steel
Piston   1 .375" Dia. x .313" Brass
Connecting Rod 1 .250" Dia. x 1.238" Brass
Crankpin 1 .156" Hex x .385" Steel
Support Bracket 1 .250" x .563" x 1/16" Brass
Note: Sizes shown are for finished dimensions. Add additional 
stock to allow for chucking, sawing, squaring, etc.

 

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