ρε μη με βαζεις να ψαχνω τωρα, κατι θυμομουνα...Αρχικό μήνυμα απο Bazil Van Sinner
https://en.wikipedia.org/wiki/Crossplane
2009+ Yamaha YZF-R1
The 2009 Yamaha YZF-R1 motorcycle uses a crossplane crankshaft and use a balance shaft geared off the crankshaft at crankshaft speed to counter the inherent rocking vibration (primary rocking couples) described above.
A crossplane crank had been used in Yamaha's M1 MotoGP racing models in the past. Yamaha claims advances in metal forging technologies make this a practical consumer product
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