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T-MOTOR HEP-S 36*12 carbon fiber propeller pair on a white backgroundT-MOTOR HEP-S 36*12 carbon fiber propeller pair on a white background

T-MOTOR HEP-S 36*12

The T-MOTOR HEP-S 36*12 is a carbon fiber, one-piece straight propeller for heavy-lift multirotor drones. Built with a PMI foam core and reinforced high-stress areas, it supports hoisting, field transportation and emergency response applications. Its 36-inch diameter, 12-inch pitch and flange mounting provide a defined mechanical interface for propulsion integration.

T-MOTORDrone motor
Material
Resin-based carbon fiber composite + PMI foam core

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Product overview

The T-MOTOR HEP-S 36*12 is a one-piece straight carbon fiber propeller for heavy-lift multirotor drones carrying out mountainous hoisting, field transportation and emergency response operations. Its 36-inch diameter and 12-inch pitch accompany a common operating speed range of 2100~3050 RPM and a common thrust range of 8.7~18.3 kg. Recommended maximum speed is 4450 RPM, with a limit of 4950 RPM; recommended maximum thrust is 39 kg, with a limit of 49 kg.

Each blade averages 165 g and combines a resin-based carbon fiber composite with a PMI foam core and glossy finish. An optimized layup adds T1100-grade carbon fiber reinforcement in high-stress areas, while the center-of-gravity design balances mass and reduces rotational inertia for faster response. The flange mount has a Ø12mm center hole and two mounting patterns: four Ø3mm holes on a Ø20mm bolt circle and four Ø4mm holes on a Ø24mm bolt circle. A molded QR code supports traceability, and protective packaging helps protect the propeller during transport.

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Specifications

T-MOTOR HEP-S 36*12 specifications
SpecificationValue & conditions
ModelT-MOTOR HEP-S 36*12
Product typeOne-Piece Straight Propeller
ApplicationHeavy-Lift Multirotor Drone
Diameter36 inches (919.9mm)
Pitch12 inches (304.8mm)
Common thrust range8.7~18.3 kg
Common speed range2100~3050 RPM
Average blade weight165 gSingle blade.
MaterialResin-based carbon fiber composite + PMI foam core
Recommended maximum RPM4450 RPM
Surface treatmentGlossy
Recommended maximum thrust39 kg
Limit RPM4950 RPM
Limit thrust49 kg
Connections and dimensionsFlange mount; Ø12mm center hole; Ø20mm bolt circle with 4 × Ø3mm mounting holes; Ø24mm bolt circle with 4 × Ø4mm mounting holes
Motor compatibilityMN1115 KV130
Recommended voltage14S
Recommended takeoff weight48kgQuadcopter configuration.
Recommended motor solutionsU15 II KV100 / MN1115 KV110 / MN1018 KV72 / MN1015 KV70
Structural reinforcementOptimized layup with T1100-grade carbon fiber reinforcementHigh-stress areas.
Structural strength increase25%Compared with the G Series; T-MOTOR laboratory testing. Actual results may vary slightly with operating conditions, environmental factors and application scenarios.
Flight endurance improvementUp to 3% longer flight enduranceSame power setup; T-MOTOR laboratory testing. Actual results may vary slightly with operating conditions, environmental factors and application scenarios.
Intended missionsMountainous hoisting, field transportation and emergency response operations
Mass distribution designOptimized center of gravity for balanced mass distribution and reduced rotational inertia for faster response
Powertrain developmentCo-developed with T-MOTOR power type motors for optimized thrust efficiency and precise power matching
Identification and packagingIntegrated molded QR code and protective packaging

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