T-Motor F5146 3-Blade FPV Racing Propellers

Stop bending cheap props on twigs and wondering why your PID loop is screaming. We’ve spent ten years supplying the UK FPV scene at Unmanned Tech, and the T-Motor F5146 tri-blade 5.1 inch props are built for pilots who prefer staying in the air over replacing bent plastic every two minutes. Designed for ultra-fast throttle response and razor-sharp cornering, these polycarbonate quadcopter props deliver blistering thrust without annihilating battery efficiency. If your motors run below 2100KV, swapping to these high-pitch racing propellers is the easiest performance upgrade you will make all season.

Highlights

• Rapid Response: Low moment of inertia delivers instant throttle translation and crisp track handling.
• Polycarbonate Toughness: Shrugs off gate clips and light crashes better than your fragile flight ego.
• Optimised Efficiency: Precision balance reduces amp draw and eliminates micro-jitters in your HD feed.

Why You Want It

Folding a prop mid-turn on a high-speed track is embarrassing. The T-Motor F5146 combines an aggressive 4.6 pitch with durable polycarbonate construction, giving your 5-inch racing quad or freestyle rig maximum bite with minimal prop wash. Pair them with sub-2100KV motors to unlock peak aerodynamic efficiency and razor-sharp line control.

Specs

• Length: 5.1"
• Pitch: 4.6"
• Material: Polycarbonate
• Weight: 4.2g
• Mounting Hole: 5mm
• Quantity: 2 Pairs (4 Pieces)
• Recommended Motors: Under 2100KV

FAQ

What motor KV works best with T-Motor F5146 props?

Motors rated below 2100KV offer the best balance of torque, thermal performance, and flight efficiency with this 4.6 pitch profile.

How many propellers come in one pack?

Each pack includes 2 Clockwise (CW) and 2 Counter-Clockwise (CCW) propellers, giving you 2 complete pairs.

In the Box

• 2x CW T-Motor F5146 Propellers
• 2x CCW T-Motor F5146 Propellers

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