HQ Racing Prop R37（5.1X3.7X3） (2CW 2CCW)-Poly Carbonate This is the HQ Racing Prop R37. These propellers are specifically designed for racing drones, which require high performance and durability. The poly carbonate material used in the construction of these propellers is known for its strength and ability to withstand crashes and impacts. This makes the HQ Racing Prop R37 suitable for competitive racing where drones may encounter obstacles or engage in high-speed manoeuvres that put stress on the propellers. Product Information. Propeller Diameter: 5.1inch Pitch : 3.7 Blades : 3 Material : Poly Carbonate Weight :4.1g Hub Diameter :13.3mm Hub Thickness:7mm Shaft :5mm Adaptor Rings : NO In the box. 2 x CW R37-PC 2 x CCW R37-PC
