Xem Studiomeasured geometryLibrary › Hardware › Counterweighted crank discs, Ø5 bore, 10 to 30 mm stroke
cw-crank-disc-stroke20
counterweighted crank disc, 20 mm stroke (pin at 10.0), Ø5 bore, M3 grub, mass opposite the pin ≈ 50% of the con-rod+piston at the pin radius
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| file | cw-crank-disc-stroke20 |
|---|---|
| stroke | 20 |
| pin offset | 10.0 |
| disc Ø | 34 |
| thickness | 6 / 10.8 |
| envelope | 33 × 34 |
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Counterweighted crank discs, Ø5 bore, 10 to 30 mm stroke: every size, notes, mating features and sources. How is a counterweighted crank disc shaped?