VZ38x15 38″ Matte PMI Carbon Propeller for Large VTOL Logistics

Detail Information

T-MOTOR VZ38x15, PMI Carbon Fiber, +30% bending & +20% stiffness, 188g unit weight, 55kg max thrust, for heavy VTOL. Rec:VL1035+KV150+V200A

VZ SERIES – VTOL PROPELLERS

Break through the performance limitations of traditional multi-rotor propellers.
VZ series propellers deliver superior power, durability, and lightweight
design for VTOL applications

What Does a VTOL Propeller Need?

High Strength
High Stiffness &
Lightweight Design

High Strength

Withstands immense centrifugal
loads and maneuver-induced
alternating loads at high RPM,
preventing structural failure

High Stiffness

Ensures safe blade-tip clearance
in compact layouts, suppresses
aeroelastic deformation,
and prevents flutter

Lightweight Design

Reduce the moment of inertia
to achieve rapid thrust response
and higher attitude control
bandwidth for the flight control
system

Superior Aerodynamic Design

The unique dual operational modes
of VTOL—vertical takeoff/landing and
cruise—demand new propeller capabilities

Vertical Takeoff & Landing Phase

Requiring high thrust and
power, demanding maximum
lift output from the propeller
disk within a limited blade area

Cruise Phase

When the propeller stops
rotating, it is necessary to
minimize profile drag to reduce
power consumption, achieving
"stealthy" low-drag efficiency

Transition Stability: Resisting Complex Flow Field Interference

The extreme challenges posed by high angle of attack, low speed and unsteady flow field,
coupled with the insufficient strength and poor transition stability of traditional blades,
make this an accident-prone region

Unsteady Flow Fields at High Angle of Attack

The aircraft operates at high angles
of attack and low speeds within an
extremely complex flow environment

Asymmetric Airflow

Significant angle between incoming flow
and the rotation axis causes asymmetric
airflow entering the propeller disc

Severe Periodic Variations

Local forces on the blade fluctuate drastically
per rotation, inducing flutter and causing
significant thrust fluctuation

To address the challenges
of traditional propellers in VTOL (Vertical
Takeoff and Landing mode) applications

we introduce the VZ Series Propellers

Technical Features of the VZ Series Propellers

Advanced composite materials and exceptional aerodynamic design work in synergy to ensure consistently
efficient,
reliable, and controllable power output

Bending & Torsion
Resistant Layup Design

Optimized fiber orientation and
ratio maximize strength and stiffness

Prepreg Compression Molding
for Integrated Forming

Product porosity below 1%, ensuring stable and reliable quality

PMI Foam Core

Lightweight, high-strength core material
effectively increases stiffness while controlling
total weight

30%

Flexural Strength

Significantly enhanced impact resistance
and deformation resistance for greater durability
in complex operating conditions

20%

Torsional Stiffness

Optimized power transmission efficiency reduces energy loss during operation

Blade Root Optimization: Safety Redundancy Design

The blade root thickness is optimized to provide structural redundancy while reducing loads on the connecting
bolts

V30 Propeller

VZ30 Propeller

Aerodynamic Priority: Engineered for High VTOL Thrust

Dedicated High Lift-to-
Drag Ratio Airfoil

Optimized for VTOL conditions to enhance
maximum lift coefficient

Low-Drag Cruise Blade Shape

Improved aerodynamic blade boundaries
reduce cruise drag

Specialized Blade Tip

Optimized tip design weakens vortex strength
and enhances flight quality

Custom VTOL Propeller
Service: 10 to 100 Inches

Supports precise matching with various
pitch specifications and motors
Full in-house R&D ensures stable and
controllable quality

Aerodynamic/Structural Design

Mold Manufacturing

Composite Molding

Testing & Validation

① The appearance diagrams and product renderings in this
document are for reference only; the actual product shall
prevail.

② Data regarding improvements in flexural strength and
torsional stiffness are derived from comparative testing
between the VZ Series propeller and the G Series propellers.

③ Data regarding the reduction in bolt shear load is sourced
from simulation comparisons between the installation bolts
for the VZ Series propellers and those for the V Series
propellers.

④ The test data presented above were obtained under
specific conditions, using equipment within our company's
laboratory. Actual data and parameters may vary slightly
depending on the test environment, platform, software,
and other factors.