Gemfan 45mm Propellers are very durable and great for FPV whoops. The 2-Blade props feature high efficiency and are precise in operation for freestyle. The 3-Blade props give more power and faster speed for racing. Perfect for BETAFPV Meteor75 Pro Brushless Whoop Frame. Recommend using the props with BETAFPV 1102 motors.
Meteor75 Pro Frame with 45mm 2-Blade or 3-Blade props performs very precise, agile, and fantastic flying. It is compatible with parts on the 1S Meteor series whoops and is super easy to swap and upgrade build. With 45mm propellers, Meteor75 Pro is the largest 1S power whoop drone nowadays. It might be perfect for HD VTX indoors.
The below picture is the diagram for Gemfan 45mm 2-Blade props.
The below picture is the diagram for Gemfan 45mm 3-Blade props.