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
Dupont style linkage assembly completely compressed

The springs were removed for the above photograph to show how this Dupont power hammer linkage was designed so the arms would not bind before the hammer reached the maximum height of this linkage design.

This is a good view of the Dupont linkage main springs retaining shaft. The collar in the middle is welded to the shaft. The spring end pivots have an oiled bronze bushing for the spring retaining shaft.

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Rose Engine Rose Engine barleycorn design barley10.jpg 65x65-2.7k