Air-cooled hybrid rotary engine with an integrated starter-generator for enhanced performance and reliability.
Air Intake
Innovative fuel mixture intake via the rotor, utilizing centrifugal acceleration for optimal pre-atomization.
Fuel System
Advanced electronic fuel injection paired with electric supercharging ensures efficient fuel usage and powerful engine output.
Electronic Control
FADEC system over twisted-pair CAN bus for precise electronic control.
Construction
Aluminum housing with a CNC-machined white-cast-iron sleeve, alongside an aluminum rotor with DLC-reinforced seal channels and gear. Tungsten carbide hollow apex seals and titanium seal springs.
Cooling System
Forced-air cooling with separate airflow paths for the generator rotor and stator for both the generator rotor and stator, complemented by intake air and cooling system air filters.
Electrical Output
Flexible output voltage options (48/96/144/192/400 volts) to accommodate various operational requirements.
Advantages
Efficiency
Distinguished by its ultra-lightweight design and low fuel consumption, making it both efficient and economical.
User–Friendly
Easy configuration and management, significantly enhancing operational efficiency and workflow, thus ensuring a smoother and more effective user experience.
Application
Reliability
Designed for high reliability and stable performance, the RW1-79P is ideal as a primary or backup power source for flight systems.
Flexibility
Multiple RW79 units can operate in parallel or hot-swap mode, seamlessly integrating with batteries, supercapacitors and additional generators through a power balance controller.
Reliability and Redundancy
Features like the dual ignition system, duplicated fuel supply/control systems and robust design underscores the engine’s reliability and safety.
Technology
Highlights include state-of-the-art electronic fuel injection, forced electric supercharging and precision-engineered components contributing to the engine’s superior performance.
Control and Monitoring
Advanced electronic control (FADEC) via twisted-pair CAN bus, with comprehensive monitoring systems for thorough operational oversight.
Performance
Versatility Delivers consistent performance across diverse altitudes and temperatures.
Fuel Efficiency Low fuel consumption and capability to operate on a range of heavy fuel, kerosene and SAF.
SFC 265 g/kWh @ across a wide range of loads and altitudes.
Technical specifications
Power
24 hp (17.9 kW) @ 10 000-11 500 rpm
Torque
17 Nm @ 9 000–10 500 rpm
Weight
5.45 kg (engine only); < 8 kg (complete system)
Dimensions (L × H × W)
175 × 202 × 162 mm
Fuel type
Aviation kerosene (Jet A-1, JP8, SAF)
Specific Fuel consumption
265–310 g/kWh
Fuel consumption @max load
6.1–6.4 L/h
Cooling
Forced air
Intake
Electronic fuel injection with e-supercharger
Ignition
CDI, twin spark plugs
Starter
Integrated electric starter
Lubrication
Automix oil system / 1% premix (API TC oil)
Control
FADEC with integrated support for UAVCAN/Cyphal, SAE J1939, RS-485/Modbus, and MAVLink telemetry protocols
Control interface
CAN Bus (UAVCAN/J1939), RS-485, Ethernet (RJ45), UART (MAVLink)
Electric power output
3 kW (P-version) / 11 kW (APU version)
Electric output voltage
48 VDC (×4 modules, configurable to 96/144/192 VDC)
Operation altitude
Full performance up to 4500 m; continuous operation up to 6000 m; reduced performance up to 7500 m