R2800 RADIAL ENGINE
Designers Matthew & Paul Chernikeeff
Configuration Seven Cylinder Four Stroke
Capacity 2800 cc (172 ci)
Total Diameter 800 mm (31.5 ”)
Dry Weight 100 kg (220 lbs)
Propeller/ RPM Fixed 76 ” Diameter x 55 ”
Pitch @ 2,450 rpm
Ignition / Type Dual, Independent Hall affect
Carburetor TBI-40-S or Bing Carburetor
Lubrication Geared Oil Pressure and
Scavenge Pump
Bore/ Stroke (3.15 ”) 80 mm x 80 mm
Heads Two Overhead Valves,
Push Rod Operated
Spark Plugs Two per Head (NGK DCPR8E)
Starter Electric Auto Type 12 Volt
Charging System 45 Amp Alternator
Fuel Consumption Avgas 100LL – 22 liters
(5.8 gallons) @ 75% Power
Rated Power 110 hp @ 2450 Prop RPM
(Via 3:2 PSRU)