 This is a Vess Aero 150cc Balance Ring. The innovative "Vess Balance Ring" (VBR) is used in conjunction with a high quality prop balancer to simultaneously balance any propeller (with any number of blades) and spinner combination. The intuitive balancing process involves no messy sanding, glues, or spray lacquer, simply use the included set screws to add weight where its needed! This produces incredibly smooth engine operation, reduced vibration and airframe fatigue, lower noise and improved equipment lifespan.
This version of the "VBR" fits the DA150/200, 3W110/120/150/157/170, BME150 and other engines with six 5mm prop bolts in a 34mm diameter. Package includes 8 balancing set screws and an Allen wrench.
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