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  • Bourke 30 Cubic Inch Engine Specifications as claimed by Russell Bourke, inventor.
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  • Normally Aspirated, carburetor or fuel injected.
  • Highly efficient exhaust scavenging.
  • High pressure pre-charge from underneath piston to
  • combustion chamber during transfer cycle.
  • True linear movement.
  • Free Piston Engine 
  • No angularity of moving parts. 
  • No piston side loading.
  • Cylinders sealed off from crankcase.
  • Horizontally opposed twin cylinder, common plane.
  • Mono Stroke, I.E. two directly opposed 2 stroke cylinders connected through one common/linear rod/yoke assembly.
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  • Two 135 degree power pulses per revolution. (See Documentary)
  • Valving :  Ported .
  • Balanced Precision Reverse Cam Effect Roller Crankshaft. 
  • High Horse Power To Weight Ratio. 
  • 30 Cubic Inch 2 Cylinder Bourke Cycle Engine.
  • Constant RPM Stationary Power Plant.
  • Potential Adiabatic Operation @ Specific RPM Range.
  • Test Fuel: Low Octane Gasoline, Coleman And 1-K.
  • Weight: +/- 38 pounds. 
  • Aluminum crankcase, cylinder castings and pistons. 
  • Steel cylinder liners, connecting rods, yoke plates, camshaft, wrist pins, bearings.
  • 35 hp or more @5,000 RPM.
  • Estimated up to 5 HP Per Cubic Inch. (See Documentary)
  • Fuel Consumption: 1/4 pound or less of fuel per horse power hour.
  • Carburetor or Fuel Injection.
  • High RPM Ignition System.      
  • Multi Fuel Capable. I.E. Natural Gas, Propane, Low Octane Fuels.
  • Tested Fuels: Gasoline, Bio Diesel, Fuel Oils, White Gas, 1-K. 
  • Other Fuel Types Not Yet Tested. 
  • Exhaust Gas Temperature: 190° to 240° F! 
  • Exhaust Gas Components Resulting From Regular No Lead Gasoline: Carbon Dioxide & Water Vapor.
  • Emission: Much Lower Than Normal PPM HC burning regular no-lead fuel. 
  • Compression ratio: 8:1 to 20:1
  • Fuel Air Ratio: 30:1 to 50:1   
  • Exhaust System: Lightweight baffled aluminum housings.
  • Liquid or Air Cooled.
  • Lubrication System: Internal Splash/Vacuum Type Oiling.
  • Ignition System: Electronic Capacitive Discharge.
  • Self Sustaining Pressure Ignition For Diesel Applications. 
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  • BENEFITS:
  • Could be used to power generators, pumps, hybrid cars, boats, ultra-light aircraft, and many others! Your imagination is your only limit. Best use tested so far is constant duty applications.
  •  
  • Highly Fuel Efficient.
  • Environmentally Friendly.
  • Multiple Fuel Capable.
  • High HP To Weight Ratio.
  • Capable Of Safe Constant Duty Operation.
  • Very Low Fuel Consumption.
  • No Emission Control Devices Needed. 
  • Simple Construction.
  • Very Low Maintenance. 
  • Easy Overhaul.
  • No Oil Changes Needed.

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