UAV Propulsion Tech

UAV Hardware Solutions: Propulsion & Fuel Systems, Servos & Flight Controllers, Imaging Solutions, Launchers & Parachutes

United States of America
UAV Propulsion Tech
UAV Hardware Solutions: Propulsion & Fuel Systems, Servos & Flight Controllers, Imaging Solutions, Launchers & Parachutes
Tampa, FL 33606, USA United States of America Regional offices
+1 810-441-1457

UAV Propulsion & Fuel Systems

Suter Industries

Compact, lightweight UAV Engines

Suter UAV Engine

Suter Industries produces UAV engines that were co-developed with Compass Aircraft Europe GmbH (CAE GmbH). Suter’s line of advanced 2-stroke UAV engines are based on the core TOA 288 engine, with a modular construction ensuring suitability for a wide range of applications.


The Suter 288 engine is a twin cylinder, horizontal opposed, air cooled, two cycle engine, with fuel saving electronic engine management system and a 1kW starter/generator. The engine offers an optimized power-to-weight ratio (up to 20% better than comparable engines) and better fuel consumption.

The Suter 288 has automatic altitude and temperature calibration and runs on gasoline. A heavy fuel variant will be available in the future.

  • Displacement: 288cm3
  • Power: 13.3kW (18HP) @5700rpm, 17.5kW (24HP) @6500rpm

All engines are produced in Switzerland and are 100% tested and supplied with a certificate of conformance.

Learn more: Suter UAV Engines

Mejzlik Propellers

COTS and custom propeller solutions for UAVs

Mejzlik Propellers

Mejzlik is a leading developer of both commercial off-the-shelf and custom propeller solutions for UAVs. The company provides precision aerospace- and military-grade carbon fiber drone propellers for multirotor, fixed-wing and hybrid platforms.

The company works directly with customers to develop perfectly-matched propellers for particular UAV platforms, with state-of-the-art in-house capabilities that include 3D modelling, simulation, high-quality tooling and thorough testing.

Mejzlik’s services are ideal for UAV OEMs and specialist drone operators seeking high-quality optimised propeller designs for their platforms.

Learn more: Mejzlik COTS and custom propeller solutions for UAVs


UAV Starter-Generators and PM Motors

Starter Generators for UAV

Designers need to understand the trade-offs in starter generator specifications that will have a major impact on the success of their UAV.  Weight, operating temperature and efficiency have a major influence on performance parameters such as flight duration, payload, operating ceiling and range.  In addition, the starter generator must integrate with other electrical system components.

ePropelled has a range of off the shelf options:

  • Starter/Generators: 750W, 1.5kW, 3kW, 6kW, 12kW (including corresponding power management units)
  • Motors: 1kW, 3kW, 6kW, 9kW, 12kW (including electronic speed control units)


  • Best in Class Temperature Range: ePropelled’s patent pending technology enables high continuous operating temperature range (up to 200°C) in its class. This allows UAVs to operate at higher altitude where the air is thinner or where it is in an enclosed environment
  • Low Weight: The Spyder outer rotor series boasts the lowest weight in its class with outstanding power density
  • High Efficiency: Lightweight and compact design combines a high power density (2.3kW/kg continuous, 6kW/kg peak) with high efficiency (above 90%).

Learn more: ePropelled UAV Starter-Generators & PM Motors

H3 Dynamics

Hydrogen Fuel Cell Systems for UAVs & Drones

Hydrogen Fuel Cell Systems for UAV

H3 Dynamics designs and manufactures high performance and lightweight integrated hydrogen fuel cell systems for military, defense, and commercial applications.

Drone Fuel cell

AEROPAK SERIES: Hybrid fuel-cell integrated systems for 5kg – 50kg fixed-wing UAVs.

AEROPAK-G – compressed hydrogen gas

The AEROPAK-G system integrates high pressure compressed hydrogen gas bottles using specially developed connectors.
AEROPAK-G - compressed hydrogen gas for UAVs

  • Capacity 2L to 20L
  • Internal pressure from 300-350 bar
  • High specific energy
  • Lowest fuel cost
  • Field refilling station available soon.

AEROPAK-L – liquid chemical hydride

AEROPAK-L - liquid chemical hydride for UAVsAEROPAK-L is an energy dense power supply solution enabled by compact, ultra-light fuel cells, which uses a hydrogen-rich liquid chemical fuel as feedstock.

  • Hydrogen on-demand
  • 450 Wh/kg​ to 675 Wh/kg​ at system’s level
  • Software-controlled hydrolysis system
  • Progressive fuel consumption.

AEROPAK-S – solid chemical hydride

AEROPAK-S - solid chemical hydride for UAVsAEROPAK-S is a high performance solid hydrogen on-demand cartridge system that offers a theoretical 14% hydrogen storage weight content, and yields a practical 7%.

  • High-end use
  • Hydrogen on-demand
  • Up to 700 Wh/kg at system’s level
  • No catalyst required.

AEROSTAKWorld’s smallest & lightest fuel cell stack

AEROSTAK is a complete power device that includes a PEM Fuel Cell stack, aerospace-grade control electronics, resistant-to-shock casings with integrated air cooling fans, and LiPo-compatible hybrid electronic cards.

HES Energy Systems can design and manufacture ultralight fuel cell stacks ranging from 10W to 2kW but also offer the following standard sizes and power configurations:

A 250 UAV Fuel Cell Stack A 500 UAV Fuel Cell Stack A 1000 UAV Fuel Cell Stack
Model A 250 A 500 A 1000
Rated Power 250W 500W 1000W
Dimensions 110 x 120 x 124 mm 194 x 105 x 166 mm 194 x 127 x 185 mm
System Weight 730g 1400g 1770g

Learn more: HES Energy Systems

Reventec Sensors for Unmanned VehiclesReventec

Liquid Level Sensors and Fuel Flow Sensors for Unmanned Vehicles

Reventec is an internationally recognized mechanical and electronic design consultancy that provides a range of sensors for the aerospace and defense markets. Their wide range of design expertise, particularly in the development of products for use in harsh environments, makes their products ideal for the demanding requirements of unmanned vehicles.

Liquid Level Sensors

Reventec’s world-leading capacitive liquid level sensing technology provides precise and stable level readings even under the harshest of environmental conditions, making them ideal for fuel, oil, water, and coolant level measurements in UAVs, UGVs and other unmanned vehicles.

The EcoSense range of solid-state capacitive sensors is capable of continuous level measurement in all common liquid types. The modular sensor can be customised for length and allows for a wide range of mounting options with the use of a custom or stock mounting adaptor.

Reventec Liquid Level Sensors for UAVs

ProSense carbon capacitive level sensors for UAVs


ProSense carbon capacitive level sensors are proven in harsh environment applications and custom designed to your requirements, making them ideal for low and mid volume production runs as well as one-off prototypes.

The sensors are available with integrated or remote electronics for high temperature or confined envelope applications.

Engine & Fuel Flow Sensors

The Quantum 360 is a 360-degree TMR (tunnelling magnetoresistance) solid-state rotary position sensor that provides reliable, accurate and continuous rotational sensing through non-ferrous materials up to 25mm away.

Reventec’s robust solid-state temperature sensor is designed for long-term reliable operation in harsh environments and incorporates a built-in transmitter. Normal temperature measurement range from -50 to +170 degrees C, with higher temperature variant available.

The TMR-based non-contact solid state QuantumSS Speed Sensor accurately and reliably measures the speed of a rotating shaft. Typical applications include wheel, gearbox, drive shaft and turbo speed sensing.

The FlowSonic Elite is a revolutionary ultrasonic flow sensor designed for both performance (optimising fuel use and strategy) and regulatory (balancing performance and limiting peak engine power) applications. With an accuracy of +/- 0.25%, the FlowSonic Elite generates 2200 flow measurements per second, making it a highly reliable and dynamic measurement system.

The FlowSonic Elite features configurable outputs and multi-fuel compatibility, and is available in a High Temperature version with a range of up to 120 degrees C.

Learn more: Reventec Sensors

Quantum 360 solid-state rotary position sensor for UAVs
Solid State Temperature Sensor for UAVs
Solid State QuantumSS Speed Sensor for UAVs
Flowsonic Elite Ultrasonic Fuel Flow Sensor for UAVs

UAV Servos & Flight Controllers

Volz Actuators

High Performance Servo Actuators

Volz UAV Servos

Volz produces high-performance servo actuators for industrial and aerospace applications, with several COTS solutions and the ability to develop custom solutions.

  • Fully Redundant Actuators
  • Brushless Actuators
  • Throttle Servo Actuators
  • Actuators for Optional Piloted Vehicles (OPVs)
  • Deep-Sea/Submersible AUV/UUV Actuators, proven to 100m/300ft or 10bar/145psi

Flying Car/Taxi Servos:

Volz Flying Car Actuators

Volz actuators are flying on several global UAV platforms including the Lockheed Martin Fury 1500, Northrop Grumman BAT, AAI Corp Aerosonde Mk4.7, Aeronautics Orbiter, EADS Cassidian DO-DT target drones, Schiebel Camcopter S-100 and Zipline.

Actuators are available with number of high-end optional features including brushless motors, contactless sensor, position feedback and clutch mechanisms, providing a high-reliability solution. All hardware has traceability which can be difficult to obtain from high volume hobby RC servos.

A redundant variant of the DA26 servo is available, designed for extreme depth and pressure conditions down to 2000m/6600ft.

Key Features of Volz Actuators:

  • CNC machined aluminum actuator case
  • IP67 standard for water/dust intrusion protection
  • Multi-purpose lug mounts for variable servo fixation
  • Integrated microprocessor controlled PC boards
  • Fully programmable by the customer
  • Redundant servo solutions.

Learn more: Volz Servos Actuators

Aeron INS for UAS

Aeron Systems

MEMS Inertial Navigation Systems for Drones, UGV and Robotics

Pollux Miniature INS

Extremely compact, versatile and light-weight inertial navigation systems ideal for personnel navigation, weapon monitoring and indoor navigation. These navigation systems offer best performance in smallest possible size.

Aeron Pollux INS

Octantis INS-GPS

Octantis is a tactical grade MEMS INS-GPS, providing precise position, attitude and orientation information. The system runs a multi-mode Kalman filter making it suitable for high and low dynamic applications.

Octantis INS-GPS for UAVs

Canopus Compact INS

Canopus is a compact, rugged and light-weight AHRS and INS-GPS for UAVs, autonomous vehicles and robotics. Use of extended Kalman filter assures best-in-class MEMS performance in dynamic environments.

Canopus Compact INS for UAVs

Galileo Digital Magnetic Compass

Galileo (DMC300) is a MEMS accelerometer and magnetometer based digital magnetic compass for attitude and heading reference. Solid state components provide robust performance in challenging environmental conditions. DMC300 is designed for compassing and navigation in USV, UAV and UGV.

Galileo Digital Magnetic Compass for robotics


Autopilots for helicopters, fixed wing and multi-rotor UAVs

Micropilot UAV Autopilots

MicroPilot is located in Stony Mountain, Canada (just outside of Winipeg) and has been in business since 1994 supplying high end autopilots for the global UAV market. MicroPilot currently services over 850 clients in over 70 countries representing both small and large UAV manufacturers (commercial and defense) and research organizations.  MicroPilot offers a family of lightweight UAV autopilots that fly fixed-wing, transitional, helicopter, and multi-rotor UAVs.

Some of MicroPilot’s autopilots’ popular features include:

  • Airspeed and altitude hold
  • Turn coordination
  • GPS navigation
  • Vertical takeoff and landing (VTOL)
  • Autonomous operation from launch to recovery

Seamless Upgrade

MicroPilot has a range of UAV autopilots from the single-use autopilot (MP2x28xp) all the way up to the powerful VTOL autopilot (MP2128HELI), providing a seamless upgrade path. No other autopilot manufacturer offers this high degree of adaptable technology and range of UAV autopilot options. Once Micropilot’s customers learn how to work with one of MicroPilot’s autopilots, they are equipped to use them all. This makes MicroPilot the single-vendor solution for UAV autopilot hardware, software, and accessory needs. MicroPilot’s line of autopilots allows its customers to grow and adapt at a fraction of the cost offered by many other autopilot competitors. This allows MicroPilot’s customers to get in the air faster without having to fund their own team to develop their own custom UAV autopilot.

UAV Launchers & Parachutes


PASA (Parachute Safety Solutions)

Fixed-wing UAV rescue/recovery parachutes and airbags

PASA’s ‘Protect UAV’ rescue parachute solutions are typically smaller and lighter than other solutions on the market, and benefit from an automatic cord-cutter system that releases the parachute once the air vehicle has landed, minimizing the potential for damage due to high wind.  PASA solutions are in use today with European and US UAV customers.

Protect UAV Parachute

Key advantages of PASA’s Protect UAV parachutes are:

  • High speed-range for initial phase of deployment: 60 bis 220km/h tested, extension feasible
  • Moderate G-load throughout total deployment-range due to configurable slider system: standard <6g
  • Quick stabilization after deployment
  • Low tendency of oscillation
  • Extreme low weight and dimensions resulting in low effect on payload: standard 1.5-2.0kg with 4-6.5 liter volume
  • Standard sizes for MTOW of 45 to 100kg, extension of MTOW easily feasible
  • Scalable to individual requirements via custom-built computational configuration tool
  • Re-useable: 10+ deployments possible
  • Development and production in accordance to aeronautical engineering regulations
  • Verification of required parameters through special measuring equipment and video documentation during airdrop-tests
  • Low adaptation and development efforts while in design phase to consider specific requirements.

ParaZero Drone Safety Systems

Pyrotechnic parachute solutions for VTOL and transitional VTOL aircraft


ParaZero Drone Safety Solutions was founded in 2014 in Be’er Sheva, Israel by a passionate group of aviation professionals, together with veteran drone operators, to solve the industry’s primary challenge – safety.


ParaZero’s vision is to use the SafeAir drone safety technology to unlock the full potential of the commercial drone industry. Their pyrotechnic parachute solutions are designed for VTOL or transitional VTOL aircraft that require a deployment mechanism to propel the parachute away from the aircraft.

ParaZero has COTS solutions for several DJI multicopters and also develops custom pyrotechnic rescue parachute solutions for larger VTOL and transitional VTOL applications (UAV and Urban Air Mobility).

Eli Airborne Solutions

Eli Airborne Solutions for UAVs and Drones

Pneumatic UAV Launcher and Parachute Release System

Eli Airborne Solutions is a leading manufacturer of UAV/UAS solutions for the military and commercial sectors. Eli prides itself on being at the forefront of the latest technological innovations and the company’s equipment is utilized worldwide.

Pneumatic UAV Catapult Launcher

Pneumatic UAV Catapult Launcher
Eli’s pneumatic UAV catapult launcher has been designed to accelerate unmanned aircraft with a MTOW of up to 45 kg and launch them at speeds up to 25m/s. The lightweight, battery-powered launcher can be quickly and easily assembled in minutes and breaks down into two custom rugged cases for maximum portability. Eli can design custom carriage rods to accommodate customers’ particular UAV requirements.

UAV Parachute Release System

UAV Parachute Release SystemIn harsh weather conditions, parachute canopies may remain filled with air after landing, dragging and potentially damaging UAVs. Eli’s patented UAV parachute release system provides an effective and reliable solution for this problem, immediately disconnecting the aircraft from the parachute upon impact with the ground.

The lightweight, easy to operate device is highly reliable as it is a light-weight mechanical solution with no electronic parts.

The UAV Parachute Release System measures just 80mm in length and 17mm diameter, with a total weight of 50g, and is designed for UAVs of up to 50kg. Eli can design custom release systems according to specific needs.

Learn more: Eli Airborne Solutions

UAV Imaging Solutions


Lightweight multi-sensor imaging gimbals for UAVs

Merio is a leading designer and manufacturer of advanced gyro-stabilized imaging gimbals for UAVs, with solutions ranging from low-SWaP payloads for mini-UAS up to powerful full HD EO and cooled MWIR systems for large tactical surveillance drones.

Designed to excel in challenging environments, Merio’s gimbals can be customized to meet specific mission requirements, and are ideal for a wide range of daytime and night-time applications including ISR, border control, inspection and monitoring, firefighting and more.

Merio multi-sensor imaging gimbals for UAVs

The company also offers onboard video acquisition and real-time processing solutions, with a range of advanced functionality including target detection and tracking, geolocalisation, and geotracking.

UAV Transponders


Miniaturized avionic transponders (ADS-B) and remote ID

Aerobits uav transponders

Aerobits is a technology company located in Poland specializing in the miniaturization of avionics solutions. Aerobits hardware and software solutions are dedicated, in particular, to the wide market of Unmanned Aircraft Systems (UAV/UAS). Their use paves the way to UAS integration in the airspace, according to the planned strategy of aviation authorities.

Aerobits technology is currently the smallest and fastest implementation of the ADS-B air traffic monitoring system in the world, weighing only 2g. With the enormous level of miniaturization, the powerful computational capacities were retained, ensuring parallel support of many time-critical processes. Our newest product is an interesting development OEM platform (integrated on the PCB level), intended for implementation of CD&R (Conflict Detection and Resolution) methods.

Learn more: Aerobits

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