• Source: Rotec R2800

The Rotec R2800 is a seven-cylinder 110 hp radial engine built by Rotec Aerosport Pty Ltd in Australia. The R2800 was Rotec's first (and only) engine offering when they first opened their doors in 2000. In 2005, Rotec released a more powerful variant, the Rotec R3600 adding two more cylinders for a total of nine and increasing the rated horsepower to 150. This engine and its larger cousin are frequently used on World War I aircraft, both vintage and modern reproductions. Some notable repro WW I aircraft this engine has been used in are the Fokker Triplane, Sopwith Camel and the Nieuport 17. Other experimental / homebuilt aircraft have also been fitted with the Rotec 2800, including the Kitfox Model 7; a popular kit aircraft with over 5,000 examples of all variants completed. It is unknown how many Kitfox aircraft are equipped with the Rotec 2800 engine.
These engines are not limited to only aircraft applications as JRL Cycles has converted an R2800 for use in a motorcycle.




Applications






Specifications (Rotec R2800)






= General characteristics

=
Type: 7-cylinder Air-cooled single-row radial engine
Bore: 3.149 in (80 mm)
Stroke: 3.149 in (80 mm)
Displacement: 171.8 in³ (2,800 cc)
Diameter: 31.9 in (810 mm)
Dry weight: 224 lb (102 kg) (dry)




= Components

=
Valvetrain: Poppet Valve (pushrod activated), two per cylinder.
Supercharger: None
Turbocharger: None
Fuel system: Carburetion
Fuel type: 100LL Avgas
Oil system: Dry Sump
Cooling system: Air Cooled




= Performance

=
Power output: 110 hp (82.03 kW, 111.53 PS) at 3,600 RPM Geared
Specific power: 0.64 hp/in³ (29.19 kW/L)
Fuel consumption: 5.81 US Gal/hr (4.84 Imp Gal/hr, 22 Liters/hr) at 75% throttle
Power-to-weight ratio: 0.49 hp/lb (0.80 kW/kg)




References



Rotec Aerosport Projects
Rotec R2800 Engine




External links


Rotec Engineering PTY LTD
JRL Radial Motorcycle

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