PROFI-PROP 45-25 / 18-10 Graupner 1306.45.25 PROFI-PROP. SUPER NYLON propellers. This new series of PROFI-PROP propellers has been developed to permit making better use of the increased output of modern two-strokes when in flight. Precision airfoil sections, narrower blade shape, high pitch and optimized materials using an increased percentage of fiberglass are prominent features of these propellers. Their high pitch makes itself strongly felt when used in fast aerobatic models in particular. pitch Ø 45/25 cm 18/10
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