TOPTORQ R100: A 12-Inch Fixed Carbon Fiber Propeller for Industrial Multi-rotors
Choosing the right propeller is one of the most important steps in designing a reliable multi-rotor propulsion system. Diameter, pitch, blade count, material, RPM, motor torque, ESC capacity, battery voltage and aircraft weight all affect the final result.
The TOPTORQ R100 12-inch drone propeller is a fixed, two-blade carbon fiber propeller designed for industrial multi-rotor UAV applications. It has a stated diameter of 12 inches, a 5.7-inch pitch and a recommended operating range of 4,000–5,000 RPM. The R100 is intended for compact-to-medium industrial multi-rotors that require a lightweight, rigid propeller for a defined motor and ESC configuration.
The product specification states a maximum thrust of up to 1,500 g and a maximum speed of up to 8,000 RPM. These values should be treated as configuration-dependent references rather than universal aircraft performance claims. Actual thrust, power, efficiency, noise and temperature depend on the motor, battery, ESC, hub, test stand, air density and operating condition.
Engineering note: A propeller’s stated maximum thrust is not the same as an aircraft’s payload capacity. Validate the complete motor–propeller–ESC–battery system with measured thrust, current, power, RPM, vibration and temperature data before flight deployment.
Why Propeller Matching Matters on an Industrial UAV
A propeller converts motor power into thrust. When the propeller is too large, too aggressive or operated outside the motor’s intended envelope, current and temperature can increase quickly. When it is too small or inefficient for the aircraft, the system may lose endurance or fail to provide adequate payload margin.
The R100 should therefore be evaluated with the intended motor, battery and ESC rather than compared only by diameter. Its 12-inch diameter and 5.7-inch pitch provide a clear starting point for propulsion testing, but the final operating point must be established using measured data.
As a fixed propeller, the R100 is intended to remain in its deployed operating position rather than fold for transport. This can simplify the blade arrangement and reduce one source of mechanical complexity, but the aircraft still requires appropriate mounting hardware, blade clearance, rotation-direction control and pre-flight inspection.
R100 Technical Specifications
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Specification
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R100 value
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Model
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R100
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Propeller type
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Fixed propeller
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Diameter
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12 in
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Pitch
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5.7 in
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Blade count
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2-blade
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Material
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Carbon fiber
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Weight
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10 g per single blade; confirm final packaged configuration
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Recommended operating speed
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4,000–5,000 RPM
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Maximum stated speed
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Up to 8,000 RPM
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Maximum stated thrust
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Up to 1,500 g
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Stated noise level
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Less than 65 dBA; confirm test conditions
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Application
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Industrial multi-rotor UAV
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Understanding the R100 12×5.7 Format
The R100 can be described as a 12×5.7 propeller, where 12 represents the approximate diameter in inches and 5.7 represents the geometric pitch in inches. This format helps engineers compare candidate propellers, but it does not by itself predict thrust or flight speed.
Actual performance also depends on air density, RPM, blade geometry, motor efficiency, inflow, aircraft structure and the propeller’s installation angle. Use the 12×5.7 designation as a selection reference, then confirm performance with the actual propulsion system.
Recommended Applications for the R100
Industrial Inspection and Mapping UAVs
Inspection, surveying and mapping platforms often need stable propulsion for cameras, LiDAR, multi-spectral sensors or other payloads. The R100 can be evaluated where a 12-inch fixed propeller fits the airframe and the propulsion system can operate efficiently in the 4,000–5,000 RPM range.
For these missions, compare hover power, climb power, vibration and sensor stability at the actual takeoff weight. A propeller that produces sufficient peak thrust may still be unsuitable if it causes excessive vibration or reduces mission endurance.
Aerial Photography and Compact Enterprise Multi-rotors
Compact enterprise multi-rotors may use a 12-inch propeller to balance aircraft size, payload capacity and field portability. The R100’s carbon fiber construction and two-blade format can be evaluated for camera platforms that require a defined motor and propeller combination.
The final system should be checked for image vibration, motor temperature, propeller balance, noise at the operating point and battery consumption during hover and forward flight.
Agricultural and Utility UAVs
Small agricultural or utility UAVs may carry dispensing equipment, sensors or other mission payloads. These aircraft can experience changing takeoff weight and center-of-gravity conditions, so the R100 should be evaluated at the expected payload range rather than at only one bench-test condition.
If the aircraft operates around moisture, dust, fertilizers, chemicals or elevated temperatures, review the complete material and environmental compatibility of the propeller and hub. The carbon fiber material description alone does not establish chemical resistance, waterproofing or an IP rating.
OEM and Fleet Development Programs
For an OEM or fleet program, propeller consistency is as important as individual performance. Confirm the production version, balance tolerance, blade-pairing method, inspection criteria, packaging protection, replacement lead time and batch traceability before approving the component for repeated operations.
A documented propeller specification also helps prevent field teams from mixing incompatible blade sets, rotation directions or revisions during maintenance.
How to Match the R100 with a Motor and ESC
The R100’s recommended RPM range should be evaluated against the motor’s voltage, KV, torque, current and thermal envelope. The selected ESC must support the actual current and voltage requirements with appropriate continuous-operation margin.
For a meaningful motor–propeller comparison, record the following data at multiple operating points:
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Test data
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Why it matters
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RPM
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Confirms whether the propeller is operating in the intended range
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Thrust
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Establishes the lifting force at each test point
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Voltage
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Shows the actual electrical condition during testing
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Current
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Determines loading on the motor, ESC and battery
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Input power
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Helps compare efficiency and endurance
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Motor temperature
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Indicates thermal margin during sustained operation
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Vibration
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Identifies balance, mounting or structural issues
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Sound level
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Makes any noise claim meaningful only when test conditions are stated
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Do not select a motor solely from its KV rating. A motor that can reach 5,000 RPM without a propeller may not be suitable for driving the R100 under load. The motor, ESC and battery must be evaluated with the propeller installed.
How to Interpret the 1,500 g Maximum Thrust Specification
The stated maximum thrust of up to 1,500 g can be a useful benchmark for initial product comparison, but it is not a guaranteed thrust value for every configuration. Thrust changes with motor model, RPM, battery voltage, air density, test-stand design and measurement method.
Before using this value in an aircraft calculation, confirm whether it refers to one propeller or one complete propulsion unit. Request the test motor, battery, ESC, RPM, current, power, ambient conditions and test duration. If those conditions are unavailable, present the value on the product page as a stated maximum specification and not as an aircraft payload promise.
For a practical UAV design, evaluate the R100 at the aircraft’s typical hover point, climb point and maximum expected mission load. This reveals whether the propeller provides useful efficiency and thermal margin rather than only a high peak number.
Fixed Propeller Installation and Safety Checks
Because the R100 is a fixed propeller, the final installation should be reviewed carefully before powering the aircraft. Confirm the exact hub, shaft interface, mounting-hole pattern, adapter, locknut and fastener specification for the selected motor.
The installation checklist should include the following:
• Confirm the propeller’s rotation direction and the required CW or CCW position.
• Confirm the blade is installed in the correct orientation relative to the motor and aircraft.
• Check clearance from the frame, neighboring propellers, payload, landing gear and ground.
• Use the approved hub, adapter, fasteners and tightening procedure.
• Verify that the propeller is balanced according to the supplier’s approved method.
• Inspect the blade root, leading edge, trailing edge and hub area before each test flight.
• Remove any propeller showing cracks, delamination, impact damage or abnormal deformation.
• Recheck fastener security and vibration after the first flight test.
Never power an installed propeller without an appropriate controlled test area and safety procedure. The final assembly and operating limits should follow the latest supplier documentation and aircraft integration requirements.
Carbon Fiber Construction: What to Confirm
Carbon fiber can provide a stiff, lightweight structure when the layup, resin system, geometry and manufacturing process are properly controlled. For an industrial multirotor, stiffness and balance may influence vibration, efficiency and repeatability.
The material description alone does not establish the product’s durability or environmental performance. For professional procurement, ask about balance tolerance, blade-to-blade matching, inspection method, allowable impact condition, storage requirements and replacement criteria where available.
For fleet use, document the inspection process and replace any propeller that has experienced a hard impact or abnormal vibration unless it has been assessed under an approved procedure.
Deployment Checklist Before Flight Testing
Before approving the R100 for flight testing, confirm the following information with the propeller supplier and propulsion-system engineer:
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Area
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Confirmation required
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Aircraft
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Takeoff weight, payload, motor count, arm spacing and mission profile
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Motor
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KV, torque, voltage, current, RPM and thermal limits
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ESC
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Continuous and peak current, voltage rating, cooling and control protocol
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Battery
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Cell count, nominal voltage, fully charged voltage, capacity and discharge capability
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Hub
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Shaft interface, mounting pattern, adapter, locknut and tightening procedure
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Clearance
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Frame, neighboring propeller, payload, landing gear and ground clearance
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Thrust data
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Test conditions supporting the stated 1,500 g maximum thrust
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RPM data
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Basis for the 4,000–5,000 RPM recommendation and 8,000 RPM maximum
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Noise data
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Distance, environment, weighting, RPM and test configuration for the <65 dBA claim
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Balance
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Static or dynamic balance method and acceptance tolerance
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Environment
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Temperature, altitude, wind, dust, moisture and chemical exposure
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Inspection
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Pre-flight, post-flight and impact-replacement criteria
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Documentation
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Installation drawing, approved hardware, test report and revision control
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Is the R100 Suitable for Your UAV?
The TOPTORQ R100 is positioned for industrial multi-rotor UAVs that use a 12-inch fixed two-blade propeller. It may be a suitable candidate when the aircraft, motor, ESC and battery are designed around its 12-inch diameter, 5.7-inch pitch and recommended RPM range.
It should not be treated as a universal replacement for every 12-inch propeller. Confirm the mounting interface, rotation direction, motor compatibility, clearance, measured thrust, current, temperature, vibration and noise under the final aircraft configuration.
For an OEM or fleet program, share the aircraft’s total weight, number of motors, target payload, battery voltage, motor model, ESC model, required endurance and destination market. This allows the R100 to be evaluated as part of a complete UAV propulsion system.
FAQ:
- What size is the TOPTORQ R100 propeller?
The R100 has a stated diameter of 12 inches and a 5.7-inch pitch. It is a two-blade fixed propeller intended for industrial multi-rotor UAV applications.
- What material is the R100 made from?
The R100 is specified as a carbon fiber propeller. Final construction, balance tolerance, inspection method and storage requirements should be confirmed in the latest product documentation.
- What RPM range is recommended for the R100?
The stated recommended operating range is 4,000–5,000 RPM. The specification also lists a maximum speed of up to 8,000 RPM. These values must be evaluated against the final motor, hub, ESC, battery and airframe configuration.
- How much thrust can the R100 produce?
The stated maximum thrust is up to 1,500 g. Because thrust depends on the motor, RPM, voltage, test stand and environmental conditions, this figure should be treated as a reference until the complete test conditions are confirmed.
- Is the R100 suitable for a 12-inch industrial drone?
The R100 is designed for industrial multi-rotor UAV applications, but suitability depends on the complete aircraft. Confirm motor torque, battery voltage, ESC capacity, propeller clearance, structural loads, vibration and the required thrust margin before deployment.
- What does 12×5.7 mean for a drone propeller?
12×5.7 refers approximately to a 12-inch diameter and a 5.7-inch geometric pitch. It is useful for comparing propeller formats, but it does not by itself guarantee a specific thrust, efficiency or flight speed.
- Is the R100 a folding propeller?
No. The R100 is specified as a fixed propeller. Confirm the exact mounting hardware and blade orientation for the selected motor and aircraft.
- Does the R100 produce less than 65 dBA of noise?
The product specification states a noise level of less than 65 dBA. This claim should be published with the test distance, RPM, measurement environment, weighting and complete propulsion configuration once those conditions are confirmed.
- Can I run the R100 continuously at 8,000 RPM?
The stated maximum speed should not automatically be treated as a continuous operating target. Confirm the approved continuous operating limit and validate mechanical stress, vibration, current, power and temperature with the complete propulsion system.
Request an R100 Propulsion Review
Planning an industrial multi-rotor around a 12-inch propeller? TopTorq can review your aircraft requirements, motor and ESC configuration, battery voltage, payload target and destination market to determine whether the R100 is appropriate for standard supply or a configured OEM program.
Related Internal Links
Technical disclaimer: This article is for product education and preliminary component selection. The R100 must be validated with the final motor, ESC, battery, hub, airframe and payload before flight or production deployment.
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