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Defined Autoworks uses a in-house Hines balancer. The 4 rotor engine is a custom built assembly, with raw over-weight counterweights. Balancing is mandatory for even low rpm operation.  Your 4 rotors, front and rear counterweight and eccentric shaft must be shipped to Defined Autoworks after purchase. 

Dynamic balancing 4-rotor assembly

SKU: 104
  • Once purchased please send your 4 rotors, front and rear counterweights along with eccentric shaft to Defined Autoworks for balancing. Return shipping cost to be determined based on location. 

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