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DF70 Twin Cyl Engine

DF70 Twin Cyl Engine

DF70 Twin Cyl Engine

Product catalog summary
Overview: RCV Engines Ltd offers a range of multi-fuel UAV engines capable of operating on both gasoline and heavy fuel. The engines feature a patented revolving valve system that enhances turbulence for optimal fuel mixture and combustion efficiency.
Specifications:
  • Four-stroke cycle for reduced emissions and fuel consumption.
  • High power output with a wide power band due to large valve area.
  • Reliable operation on heavy fuel with air-fuel ratios from 8:1 to 15:1.
  • Operational temperature range from -20°C to +55°C.
  • Detonation resistance and minimal carbon build-up.
  • High reliability and low maintenance with long Mean Time Between Overhaul (MTBO).
Design Features:
  • Electronic fuel injection with altitude compensation.
  • Dedicated mounting system for alternators ranging from 100 W to 3 kW.
  • Designed specifically for UAV applications, not adapted from hobby engines.
Engine Models:
  • DF35: 35 cc single-cylinder, 2.2 kW power at 8500 rpm, weight 2.0 Kg.
  • DF70: 70 cc twin-cylinder, 4.2 kW power at 8500 rpm, weight 3.0 Kg.
Applications: Suitable for fixed-wing, rotary-wing, hybrid, marine, and portable power applications. RCV Engines can customize engines for specific platforms and applications.
Additional Information: Engines are available for production, with options for licensed manufacturing. 3D CAD data can be provided for installation studies under confidentiality agreements.
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Catalog excerpts

DF70 Twin Cyl Engine-1

Heavy Fuel UAV Engines -AC • 2 kW to 4 kW • JP8 / JP5 / Jet A1 • Gasoline • Single and Twin • Fuel Injection • 4 Stroke RCV Engines Ltd has a range of multi-fuel UAV engines that can operate equally well on gasoline or heavy fuel. The RCV combustion system is based on a unique patented revolving valve, that generates a high level of turbulence for good mixture preparation and creates an ideal compact combustion chamber for heavy fuel operation. Four-stroke cycle for low emissions and fuel consumption Large valve area gives high power with a wide power band Reliable combustion and power on heavy fuel from 8:1 to 15:1 AFR Excellent starting over a wide temperature range -20°C to +55°C Resistant to detonation – heavy fuel operation without de-rating No combustion chamber hot spots – minimising carbon build up High reliability, low maintenance with long MTBO: o No injectors in the combustion chamber to carbon up o No valve clearances to adjust o Shielded spark plug for minimum plug fouling and long life • Designed as a UAV engine not modified from a hobby engine o Electronic fuel injection system with altitude compensation o Dedicated mounting system for 100 W to 3 kW alternators • For further details see www.rcvengines.com/technology For all enquiries contact: info

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DF70 Twin Cyl Engine-2

Standard Build *Weight includes engine assembly ready to run with fuel system, ECU, wiring and exhaust. Weight does not include prop, generator or cowling. • Fixed wing • Helicopter - Rotary wing • Portable power RCV Engines has complete design control and as such can either supply an existing unit or configure an engine for a specific platform or application. Subject to establishing confidentiality arrangements 3D CAD data can be made available for installation studies. RCV can also evaluate which engine is the most suitable for a specific application. Production engines are available from RCV...

 Open the catalog to page 2

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