Overview
T-Motor VZ18x7 is a VTOL propeller designed to break through the performance limitations of traditional multi-rotor propellers, providing a lightweight design with high strength, high stiffness, and aerodynamic optimization for VTOL applications (vertical takeoff/landing and cruise).
Key Features
- High strength: withstands centrifugal loads and maneuver-induced alternating loads at high RPM to help prevent structural failure.
- High stiffness: supports safe blade-tip clearance in compact layouts, suppresses aeroelastic deformation, and helps prevent flutter.
- Lightweight design: reduced moment of inertia for rapid thrust response and higher attitude control bandwidth for the flight control system.
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VTOL aerodynamic design:
- Vertical takeoff/landing phase: targets high thrust and power with high lift output from limited blade area.
- Cruise phase: when the propeller stops rotating, designed to minimize profile drag and reduce power consumption.
- Transition stability focus: addresses complex flow-field interference associated with high angle of attack, low speed, unsteady flow, asymmetric airflow, and periodic force variations that can induce flutter and thrust fluctuation.
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Composite structure & manufacturing:
- Bending & torsion resistant layup design (optimized fiber orientation and ratio).
- Prepreg compression molding for integrated forming; product porosity below 1%.
- PMI foam core to increase stiffness while controlling total weight.
- Reported comparative improvements: 30% flexural strength and 20% torsional stiffness (comparative testing vs G Series propellers).
- Blade root optimization: blade root thickness optimized to provide structural redundancy while reducing loads on connecting bolts.
- Blade geometry priorities: dedicated high lift-to-drag ratio airfoil, low-drag cruise blade shape, and specialized blade tip to weaken vortex strength and improve flight quality.
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Simulation/analysis labels shown:
- Stress legends shown: 120.91 (max) to 0.014115 (min); 104.27 (max) to 0.12636 (min).
- “15%” bolt shear load note.
- CFD plots labeled “pathlines-1 Velocity Magnitude” with scale from 0.000e+00 to 1.18e+01 [m/s].
- CFD plot labeled “pathlines-1 Particle ID” with scale from 0.000e+00 to 3.88e+05.
For pre-sales compatibility questions (motor matching, mounting, VTOL airframe integration), contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Model | VZ18x7 |
| Diameter (Inch) | 18 (457.2mm) |
| Pitch (Inch) | 7 (177.8mm) |
| Material | Resin-based Carbon Fiber Composite + PMI Foam Core |
| Surface Treatment | Matte |
| Average single-blade weight (g) | 31 |
| Type | One-Piece Straight Propeller |
| Recommended max RPM (RPM) | 8800 |
| Limit RPM (RPM) | 10000 |
| Recommended max thrust (kg) | 9.6 |
| Limit thrust (kg) | 12 |
| Application | VTOL fixed-wing UAVs, multicopter mode |
| Connections & Dimensions | Flange mount, Ø6 mm center hole, Ø12 mm bolt circle, with 2x Ø3 mm mounting holes |
| Technical drawing notes | Partial view scale 2:1; drawing dimensions shown: 456.7, 38.1, 16.6, 5.6 (unit not specified in drawing) |
What’s Included
- Propeller: CCW x1
- Propeller: CW x1
- Propeller cover plate (25.5*13.5*2.4 mm) x2
- Adapter (6*4*2 mm) x2
- Socket head screws (M3*14 mm) x4
Applications
- VTOL fixed-wing UAVs (multicopter mode)
Notes
- Appearance diagrams and renderings are for reference only; the actual product prevails.
- Flexural strength and torsional stiffness improvements are derived from comparative testing between the VZ Series propeller and the G Series propellers.
- Reduction in bolt shear load is sourced from simulation comparisons between installation bolts for the VZ Series propellers and those for the V Series propellers.
- Test data were obtained under specific laboratory conditions; actual data may vary depending on test environment, platform, software, and other factors.
Details

The T-Motor VZ18x7 carbon propeller features a sleek, woven-blade finish suited for VTOL aircraft builds.

The T-Motor VZ18x7 carbon VTOL propeller features a two-blade layout with a slim, swept profile for efficient airflow.

The layered carbon-fiber construction is designed to keep the 18-inch VTOL propeller rigid and consistent under load.

The VZ18x7 propeller features a carbon-fiber blade with an airfoil profile designed for VTOL setups.

The T-Motor VZ18x7 carbon VTOL propeller uses a bolted hub with carbon-fiber blades for a secure, rigid assembly.

The carbon fiber propeller hub uses a multi-bolt mounting pattern for secure attachment on VTOL setups.

The T-Motor VZ18x7 18-inch VTOL propeller uses a sculpted blade profile designed for smooth airflow along the span.

The VZ18x7 VTOL propeller profile is modeled with airflow pathlines to visualize velocity distribution along the blade.

The VZ18x7 VTOL propeller’s blade profile is visualized with airflow streamlines around the tip for aerodynamic analysis.

T-Motor VZ18x7 VTOL propeller development includes detailed aerodynamic simulation to refine blade shape and airflow behavior.



The T-Motor VZ18x7 VTOL propeller features long carbon-fiber blades and a central hub for straightforward mounting.

The VZ18x7 propeller uses a Ø12/Ø6 hub with 2ר3 mounting holes and a 456.7 mm overall diameter for consistent fitment on VTOL builds.

The VZ18x7 prop set includes CW and CCW blades plus cover plates, adapters, and M3×14mm socket head screws for mounting.
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