Gnome Monosoupape Rotary Engine Classic Aero Machining Services Production of Gnome Monosoupape rotary engines has resumed after a lapse of nearly a century. These high quality, period authentic engines are now manufactured by Classic Aero Machining Service of Blenheim, New Zealand. For those who want to experience exactly what it was like to fly during the Great War era, the smells, sounds and other characteristics of a rotary are unlike any other engine. They were fitted to many aeroplanes of the period, including Sopwith. General characteristics Type: 9-cylinder, single-row, rotary engine Bore: 110 mm (4.3 in) Stroke: 150 mm (5.9 in) Displacement: 12.8 L (781.63 cu in) Length: 107.4 cm (42.3 in) Diameter: 95 cm (37.4 in) Dry weight: 128 kg (282 lb) including starter Components Valvetrain: Single overhead valve Fuel type: 45ltrs p/hr 100 Octane Avgas ~ 12 US gal/hr Oil system: Total loss, castor oil ~ 2.5 US gal/hr Cooling system: Air-cooled Reduction gear: Nil reduction gear, direct drive, right-hand tractor, left-hand pusher www.KipAero.com 2127 Crown Rd, Dallas, TX 75229 (888) 243-0440 Performance Power output: 120 hp at 1150 rpm Maximum Continuous Power: 1200RPM Compression ratio: 4.85:1 Improvements: Forged aluminum pistons in lieu of cast iron Modern piston rings 21-4N stainless steel valves w/ stellite tips Electronic ignition Optional electric starter Pricing: Gnome Monosoupape Rotary Engine ......................................... $62,000 USD Gnome Monosoupape Rotary Engine with Electric Self Start ....... $65,400 USD Fox Wooden Vintage Propeller (hand crafted) .............................. $6,200 USD Shipped FOB, crated from Blenheim, NZ. Gnome Monosoupape rotary engine fitted to a Sopwith Pup (right) and on test stand (left). Courtesy of Classic Aero Machining Services, Blenheim, New Zealand. www.KipAero.com 2127 Crown Rd, Dallas, TX 75229 (888) 243-0440 .