Pro-Range D51 2020 Ducted PC 5-Blade Propellers 4CW+4CCW - Black

Name: Pro-Range D51 2020 Ducted PC 5-Blade Propellers 4CW+4CCW - Black
Brand: Pro-Range
SKU: DRFC-1173
Price: 134.00 INR
Availability: OutOfStock

₹134.00 (Inclusive of all taxes)

Out of Stock

The Pro-Range D51 2020 is a set of 5-blade ducted propellers crafted from durable Polycarbonate (PC), designed for high-thrust applications on 51mm ducted drone frames. Featuring a 1.5mm center hole and 3-hole mounting pattern, they are optimized for 1204-size brushless motors and larger, delivering enhanced stability and efficiency in compact FPV builds.

Features

5-blade design for maximum thrust and smooth airflow in ducted applications.
Constructed from durable Polycarbonate (PC) for an optimal strength-to-weight ratio.
51mm diameter with a 2.0-inch pitch optimized for high-torque 1204 and larger motors.
1.5mm center hole with a 3-hole mounting pattern for secure installation.
Set includes 4 clockwise (CW) and 4 counter-clockwise (CCW) propellers for a complete build.

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Description

The Pro-Range D51 2020 ducted propellers are engineered for micro and whoop-style FPV drones requiring high thrust within a confined duct. The five-blade configuration significantly increases disc area and thrust density compared to standard tri-blade designs, improving low-speed control and punch-out performance. The use of Polycarbonate material ensures the blades remain rigid under high RPMs, minimizing flex and maximizing power transfer from the motor.

With a 51mm diameter and a 2.0-inch pitch, these props are tailored for 2-inch and similar ducted frames, providing the aggressive thrust curve needed for acrobatic freestyle and tight racing maneuvers. The precise 1.5mm center hole and triple-hole mounting pattern guarantee a vibration-free, concentric fit on compatible motor bells, which is critical for maintaining clean video feed and flight controller stability.

Key Features

High-Thrust 5-Blade Design: Generates superior static thrust and smoother airflow for enhanced low-speed control and agility in ducted setups.
Polycarbonate (PC) Construction: Offers excellent impact resistance and rigidity, maintaining blade shape and efficiency at high rotational speeds.
Optimized for Ducted Frames: The 51mm diameter and specific blade profile are engineered to work efficiently within the constraints of a 51mm duct.
Precision Mounting Interface: Features a 1.5mm center hole with a 3-hole pattern for a secure, balanced attachment to motor shafts, reducing harmonic vibrations.
Balanced Performance: Each propeller is manufactured to tight tolerances, promoting smooth operation and extended motor bearing life.

Applications

High-performance 2-inch Cinewhoop and ducted FPV drones for smooth cinematic footage.
Agility-focused 51mm micro racing drones requiring rapid throttle response and tight cornering.
Compact freestyle builds where maximum thrust in a confined duct is necessary for punch-outs and power loops.
Heavy-lift micro drones and payload carriers built on ducted frames that benefit from increased thrust efficiency.

Technical Specifications

Model Series	D51 2020
Blade Count	5
Material	Polycarbonate (PC)
Color	Black
Diameter	51mm
Pitch	2.0 inch
Center Hole Diameter	1.5mm
Mounting Holes	3-hole pattern
Compatible Motor Size	1204 and larger
Rotation Direction	CW & CCW
Set Configuration	4CW + 4CCW
Propeller Type	Ducted

Frequently Asked Questions

What size motors are these D51 2020 propellers compatible with?

These propellers are designed for brushless motors sized 1204 and larger. The 1.5mm center hole and 3-hole mounting pattern are standard for this motor class. Always verify your specific motor's shaft diameter and hole pattern before installation to ensure a secure fit.

Are these propellers suitable for 3-inch drone frames?

No, these are specifically designed as ducted propellers for 51mm (approximately 2-inch) ducted frames. Their 51mm diameter is optimized to run inside a duct. Using them on a larger 3-inch open-prop frame would be inefficient and likely result in poor flight performance.

What is the advantage of a 5-blade design over a 3-blade design?

A 5-blade propeller provides greater thrust density and smoother airflow, especially at lower speeds. This results in more responsive throttle control, improved stability in ducted configurations, and better performance for aggressive maneuvers like punch-outs. The trade-off is typically a slight increase in current draw.

Do I need to balance these Pro-Range propellers before use?

While Pro-Range propellers are manufactured to good tolerances, it is always recommended to check and dynamically balance all propellers before installation, especially on high-performance micro builds. Proper balancing minimizes vibrations, leading to cleaner video footage and reduced wear on flight controller gyros and motor bearings.