Requirements for the Rotary Beam Engine
| Bill of Materials | Fasteners | ||||||||
| Location | Qty. | Finished Size | Matl. | Location | Size | Lgth | Type | Qty | |
| Base | 1 | 2" x 3" x .750" | Alum. | Cyl. To Base | 1-72 | 1/4" | SHCS | 4 | |
| Bearing Pedestal | 1 | 1.5" x 2.063" x .750" | Alum. | Beam Stand | 3-48 | 3/8" | SHCS | 2 | |
| Flywheel | 1 | 2" Dia. x 1" | Brass | Base/Pedestal | 5-40 | 3/8" | SHCS | 4 | |
| Cylinder | 1 | .750" Dia. x 1.5" | Alum. | Crank Disk | 2-56 | 1/8" | Set Scrw | 2 | |
| Piston | 1 | .375" Dia. x .375" | Brass | Flywheel | 4-40 | 3/16" | Set Scrw | 1 | |
| Beam Stand | 1 | .750" Dia. x 2.5" | Alum. | Wrist Pin | 1/16" | .375" | Dowel Pin | 1 | |
| Beam | 1 | 2.375" x .375" x .125" | Steel | Link Pins, Jam | 0-80 | Brass Nut | 9 | ||
| Crankdisk | 1 | 1" Dia. x .469" | Steel | Nut | |||||
| Crankshaft | 1 | 3/16" Dia. x 3.531" | Drill Rod | ||||||
| Air Supply Fitting | 1 | .125" Dia. x .625" | Brass Tube | ||||||
| Crank Arm | 1 | 3/32" Dia. x 1.657" | Brass | ||||||
| Crank Arm Ends | 2 | .250" Dia. x .125" | Brass | ||||||
| Crankpin | 1 | 3/16" Hex x .510" | Steel | ||||||
| Link Pin | 4 | 1/16" Dia. x .350" | Brass | ||||||
| Beam Pin | 1 | 3/16" Hex x .620" | Brass | ||||||
| Beam Nut | 1 | 3/16" Hex x .125" | Brass | ||||||
| Upper Link | 1 | 1/4" Sq. x .750" | Brass | ||||||
| Lower Link | 1 | 1/4" Sq. x .750" | Brass | ||||||
| Conn. Rod Link | 1 | 1/4" Sq. x .500" | Brass | ||||||
| Connecting Rod | 1 | 1/16" Dia. x 1.294" | Brass | ||||||
| Connecting Rod End | 1 | 3/16" Dia. x .125" | Brass | ||||||
| Note: Sizes shown are for finished dimensions. Add additional | |||||||||
| stock to allow for chucking, sawing, squaring, etc. | |||||||||