Mejzlik Propellers

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Custom-Designed Carbon-Fiber Drone Propellers for OEM Manufacturers Czech Republic
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Mejzlik Propellers

Custom-Designed Carbon-Fiber Drone Propellers for OEM Manufacturers

Mejzlik Propellers is a leading designer and manufacturer of custom propellers for unmanned aerial vehicles (UAVs) and drones.

We provide perfectly-fitted aerospace- and military-grade carbon fiber propeller solutions for multirotor, fixed-wing and hybrid unmanned aircraft.

MEJZLIK DRONE PROPELLERS

With ISO 9001 certification and over 30 years of experience, we can tailor reliable and efficient products, as well as any part of our process, to your exact UAV requirements. Our services are ideal for OEMs and specialist drone operators seeking high-quality optimised propeller designs for their platforms.

bespoke drone propellers

Expert propeller design and consultancy

drone propeller designer

We work with you to gather details on your particular UAV platform and applications, including details of altitudes, payload capacity requirements and specialized needs such as silent operation. Based on this information, we provide you with a quote and project timeline.

drone-propeller-calcs

The first stage in our design process is to determine a suitable motor and ESC (electronic speed controller) for your needs. Using this, we perform both computer and dynamic wind tunnel tests with different setups of existing commercial products to gather more data and make informed decisions about the next stage.

drone-propeller-cad-design

State-of-the-art 3D modelling is used to produce your unique design, ensuring that the propeller can withstand large forces from the engine, high RPM and increasing flight velocities. Our proprietary software, based on Blade Element Momentum and Vortex theories, provides important high-accuracy propeller flight characteristics. These are further validated via sophisticated simulation methods, including CFD analyses and airflow measurements that constantly refine our mathematical models.

Superior quality tooling, prototyping and production

drone-propeller-manufacture

We figure out the structure and moulding of the prototype, including criteria such as layering, central elements and inserts, to create an initial product that can be flown on your UAV platform to gather more data and further refine the process. Once the design is finalised, we work with you to agree the final setup, and find out scaling requirements and any limits on mass production.

propeller-quality testingAll drone propellers undergo strict, uncompromising weight tests with forces much higher than they would expect to encounter during flight, ensuring solid construction and layer connection and giving you utmost peace of mind.

Propellers are also balanced both horizontally and vertically at three different stages: while manufacturing, during quality control, and before shipping.

Additional testing can be performed to certify your platform, including for compliance with FAR part 35 airworthiness standards. External tests can also be carried out in conjunction with our partners at certified EASA and FAA aviation centres, including endurance, saltwater environment resistance, speed camera tests, as well as additional strength and wind tunnel testing.

custom drone propellers

Custom drone propellers for unique requirements

We design and produce custom-made UAV propellers for all platforms, including fixed-wing, multirotor, VTOL and hybrid drones, powered by electric and combustion engines. We have provided custom drone propellers to customers with a variety of unique needs, including silent drone propellers, heavy-lift drone propellers, and diameters of over 1.5m.

drone-propeller-customisation

Our design flexibility allows us to offer additional features, such as coloured safety tips, different materials, and logos — all without sacrificing quality. We provide unique serial and product numbers that allow us to track and monitor every step of the manufacturing and quality control process.

COTS Carbon Fiber Drone Propellers

In addition to our custom design and manufacture capabilities, we have an extensive range of standard ‘off the shelf’ (COTS) carbon fiber drone propellers suited to a wide variety of unmanned aircraft. View our COTS propeller range >

Articles

Latest
How NDAA Compliance Is Influencing UAV Component Sourcing

Mejzlik Propellers explains how evolving regulations and trade rules are leading UAV manufacturers to pursue more secure, compliant sourcing strategies for components

Apr 25, 2025
Mejzlik’s Method of Modern Propeller Production

Explore how Mejzlik Propellers utilizes prepreg and hot press technology to create propellers of exceptional quality in its European facility

Sep 17, 2024
Variable-Pitch Carbon Fiber Propellers Set for Cargo UAV

Dufour Aerospace has selected Mejzlik Propellers to equip the Aero2 cargo UAV with custom variable-pitch propeller blades, enhancing vertical takeoff and efficient forward flight

Aug 21, 2024
Mejzlik Propellers Ultrasonic Inspection Practices

Mejzlik Propellers has released an article on ultrasonic inspection practices, exploring the advantages and uses.  Non-destructive testing (NDT) is a...

Aug 29, 2023
Case Study: Mejzlik Develops Custom Propeller for XSun Drone

In this case study, Mejzlik explains how it developed a two-bladed 30 x 18.7 folding propeller prototype for XSun’s SolarXOne...

Feb 02, 2023
Safe & Reliable Folding Drone Propellers

Mejzlik propellers have developed a folding UAV propeller with emphasis during development placed on safety and reliability

Jan 23, 2023
Propellers for Urban Air Mobility

Mejzlík Propellers have added 60, 70 and 80-inch propellers to their OTS propeller portfolio, designed for use in UAM solutions

Jan 16, 2023
Mejzlik Launches Professional UAV Propulsion Systems Database

Mejzlik Propellers has launched the Professional Propulsion Systems (PPS) project, an online database that provides customers with the information they...

Dec 24, 2021
Propeller Performance & Acoustic Optimization Results Released

Mejzlik Propellers and IAI (Israel Aerospace Industries) have released the results from the first phase of the CRAFT (Contra Rotating,...

Sep 22, 2021
Article: Simulation Propeller Optimization Software

Mejzlik Propellers has released an article detailing the use of new simulation software developed for propeller simulation in both single...

Jul 26, 2021
New Overspin Test Rig for UAV Propellers Operational

Mejzlik Propellers has taken delivery of a new custom made test rig – the BFG-1. The 110 kW overspin test...

Jul 12, 2021
Ice Protection Developed for Drone Propellers

Mejzlik Propellers has entered into an agreement with UBIQ Aerospace to develop an ice protection solution for UAV (unmanned aerial...

Apr 22, 2021
Custom Rotor Blade Manufacturing for Helicopter UAVs

Mejzlik Propellers has confirmed that it has manufactured the rotors for the Skyspotter 150 autonomous helicopter UAV (unmanned aerial vehicle)...

Jul 31, 2020
Selecting Individual Components for Multirotor Drone Propulsion Systems

Mejzlik Propellers has released the following article outlining the advantages of selecting individual components such as propellers for a new...

Jun 11, 2020
Mejzlik Propellers Develops Custom Carbon-Fiber Drone Propellers

Mejzlik Propellers, a leading designer and manufacturer of custom propellers for unmanned aerial systems (UAS), has partnered with Unmanned Systems...

May 27, 2020
Regional Offices & Locations
Mejzlik Propellers Czech Republic Šámalova 1537/60a, 615 00 Brno, Czech Republic +420 702 102 899 Contact Website
Advancing Unmanned Systems Through Strategic Collaboration UST works with major OEMs to foster collaboration and increase engagement with SMEs, to accelerate innovation and drive unmanned systems capabilities forward.