Gemfan 8×4 VORTEX Electric Glass Fiber Nylon Airplane/Wing/Drone Prop (2 Pcs)

Overview

The gemfan 8×4 vortex prop is a 2-piece set with 8 inch diameter and 4 inch pitch designed for fixed-wing models and small multirotors that need dependable thrust with predictable handling. Its glass fiber reinforced nylon blend offers an excellent strength-to-weight ratio while keeping tracking smooth at higher RPM. Consequently, you can expect confident launches, clean acceleration, and efficient cruise speeds without excessive amp draw.

Specs and Materials

These props are molded from an electric-grade glass fiber nylon composite that balances rigidity with impact resistance. The material choice limits flex under load, which helps preserve effective pitch at speed. In addition, the clean molded finish supports quick balancing with minimal touch-up, so you spend more time in the air.

Fitment and Compatibility

The 8×4 size fits a wide range of park flyers, FPV wings, and light planes. With the appropriate shaft adapters or collets, installation is straightforward on common electric motors. Always verify rotation direction, ground clearance, and canopy or duct spacing before the maiden.

Performance Tuning for 8×4 Geometry

Expect lively throttle response and solid forward bite from the 4 inch pitch. For example, wings pull harder out of turns, while lightweight airplanes track steadily during fast passes. If high-throttle oscillations appear, a small gyro or PID filter tweak on FC-equipped models typically settles the airframe. Additionally, matching prop load to motor Kv keeps temperatures in check and preserves battery life.

Installation and Safety

Before mounting, inspect 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 during configuration, and wear eye protection in the shop.

Durability and Care

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 Is For

Builders chasing efficient speed on park flyers, FPV wings, or small drones will appreciate this balanced 8×4 option. It rewards pilots who want crisp throttle feel, straightforward setup, and dependable materials without extra weight. For simple performance gains without reworking the airframe, the gemfan 8×4 vortex prop is a practical upgrade.

In the Pack

• 2x Gemfan VORTEX 8×4 glass fiber nylon props

• Standard hub bore with adapters where included

• Quick fitment tips