Gemfan 5×7.5 VORTEX Electric Glass Fiber Nylon Airplane/Wing/Drone Prop (2 Pcs)

Overview of gemfan 5×7.5 vortex prop

The gemfan 5×7.5 vortex prop is a versatile 5 inch diameter by 7.5 inch pitch set engineered for fixed-wing models and small multirotors that demand reliable thrust and predictable handling. Thanks to its glass fiber reinforced nylon blend, this two-piece pack offers an excellent strength-to-weight ratio while maintaining smooth tracking at higher RPM. Consequently, pilots get confident launches, stronger mid-throttle pull, and efficient cruise speeds without excessive amp draw.

Specs and Materials

This propeller uses an electric-grade glass fiber nylon composite that balances rigidity and impact resistance. The material choice reduces flex under load, which helps preserve pitch at speed. Moreover, the molded finish supports quick balancing with minimal sanding, so you can get airborne sooner.

Fitment and Compatibility

The 5 by 7.5 size fits a wide range of park flyers, FPV wings, and micro planes using appropriate shaft adapters or collets. In addition, the hub profile suits common electric setups, making it straightforward to test different motors and ESC timings. Always verify rotation direction and clearances before the maiden.

Performance Tuning for 5×7.5 Geometry

Expect lively throttle response and strong forward bite from the 7.5 pitch. For example, wings benefit from hard pulls out of turns, while lightweight airplanes enjoy steadier tracking during fast passes. If oscillations appear at full throttle, a small gyro or PID filter tweak on FC-equipped models typically settles the airframe quickly. Additionally, matching prop load to motor Kv keeps temps in check and preserves battery life.

Installation and Safety

Before mounting, check for molding residue and run a quick balance. Then snug the nut or collet to manufacturer specs and recheck after the first pack. Furthermore, keep hands clear during bench tests, power up with props off when configuring electronics, and wear eye protection in the shop.

Durability and Care

The reinforced nylon stands up to routine grass landings and minor scuffs. Nevertheless, inspect blade roots after rough arrivals and retire any prop that shows deep nicks or stress whitening. A light wipe with isopropyl alcohol keeps the finish clean and reduces grime buildup near the hub. Therefore, longevity improves and vibration stays low.

Who It’s For

Builders chasing efficient speed on park flyers, FPV wings, or small drones will appreciate this balanced 5×7.5 option. It rewards pilots who want crisp throttle feel, straightforward setup, and dependable materials without extra weight.

In the Pack

• 2x Gemfan VORTEX 5×7.5 glass fiber nylon props

• Standard hub bore with adapters where included

• Quick start fitment tips