.

.
CHARACTERISTICS OF AN ARTICULATED RHOMBIC PRISM PISTON:
   ELIMINATION OF THE CRANKSHAFT 

vittorio.scialla@strumentiperleaziende.com
4. A four-piston engine does not need a crankshaft, since its four pistons are linked to four single cranks.

ADVANTAGES

Improved
performance
Improved
efficiency 
Cost
reduction
Lower
vibration/
noise
Longer
durability
Higher
reliability
Note
   **  ***
Elimination of the crankshaft		       Elimination of the crankshaft and reduction of cost, size, weight.