Fred Connell
Student Blacksmith
Power Hammer
Whack Whack Calm
   Notes & Photos:
- Power Hammer
- Power Hammer closeup
- Anvil
- Frame
- Hammer
- Dies
- Hammer Track
- Dupont Linkage
- Linkage Compressed
- Clutch
- Clutch Linkage
- Clutch Foot Petal
- Crankshaft
- crankshaft assembled
- Motor & mount
- Dupont Linkage Patent
- Operation Conclusions
- Operating Video .ogg
- Back toBlacksmith

   Other Stuff:
- Rose Engine

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Fred Connell - Blacksmith
Mechanical Power Hammer - Clutch Bellcrank

The clutch bellcrank transfers the pressure from the foot petal to the Chevrolet V-8 clutch throw out bearing. This forces the motor driven disk rotor to press against the friction material between the motor rotor and the front rotor fastened to the driveshaft. It requires 120 pounds of pressure on the throw out bearing to fully engage the clutch. 80 pounds will operate the hammer at the slowest speed.

The foot petal gives a 5 times leverage increase. So, 20 pounds foot pressure is required for full clutch engagement.

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