New Propeller 643/3 Gen2 for Zelos 36

Lower power consumption. Higher speed. Better control.

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Key Advantage

The second generation of the 643/3 propeller consumes less current thanks to its redesigned blade geometry.
This means:
 • longer battery runtime,
 • cooler motor and ESC,
 • reduced load on the entire power system.

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Specifications
 • Diameter: 1.69” (43 mm)
 • Pitch: 1.6
 • Shaft: 3/16” (4.75 mm)
 • Rotation: available in left-hand and right-hand versions
 • Material: stainless steel (mirror polished)
 • Balance: professionally tuned, ready-to-run (RTR)

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Designed for the Zelos 36

The second generation 643/3 was created specifically for one of the most powerful RC boats – the Pro Boat Zelos 36.
Tested with professional racers, the new prop combines efficiency, stability, and increased top speed.

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Advanced Technology
 • 3D-printed from ultra-strong stainless steel – durability and resistance to extreme loads.
 • Dynamically balanced – eliminates vibration and reduces drivetrain wear.
 • Sharpened blade edges – cleaner water cut, reduced cavitation, and faster throttle response.

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Benefits of the Second Generation
 • Reduced power consumption – longer battery life, cooler motor and ESC.
 • Stability at high speeds – predictable handling even in turns and rough water.
 • Higher top speed – improved hydrodynamics, less drag, greater efficiency.

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Why Choose Our Propellers
 • Fully ready to install (RTR).
 • Available in left-hand and right-hand rotation for dual-drive setups.
 • Developed with input from professional RC boat racers.
 • Proven performance – more than 30 world records set using our propellers.

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643/3 Gen2 — precision, power, and speed with minimal energy loss.

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Note

This product is sold as a complete set – includes two propellers:
 • one with left-hand rotation,
 • one with right-hand rotation.