Compact Sailplane Engine

An engine adapted for installation within a sailplane, the engine comprising:

• (a) a charger assembly comprising:
• (i) a charger cylinder comprising:
• (1) a inlet port for receiving fuel mixture;
• and
• (2) an outlet port;
• and
• (ii) a charger piston reciprocally disposed within the charger cylinder such that, the charger piston is movable between top and bottom positions, the charger cylinder to receive the fuel mixture therewithin when the charger piston is at the top position, the fuel mixture to egress through the outlet port as the charger piston slides to the bottom position;
• (b) a power assembly disposed below the charger assembly, the power assembly comprising:
• (i) a power cylinder comprising:
• (1) an inlet port for receiving pressurized fuel mixture;
• and
• (2) an primary exhaust port for expelling exhaust gas, which is a result of the combustion of the pressurized fuel mixture within the power cylinder;
• (ii) a power piston reciprocally disposed within the power cylinder such that, the power piston is movable between top and bottom positions, the power cylinder to receive the pressurized fuel mixture therewithin when the power piston is at the top position, the fuel mixture to egress through the primary exhaust ports as the power piston slides to the bottom position;
• (c) a common piston rod for the charger and power pistons;
• and
• (d) a crank shaft to which the piston rod is secured whereby, the rotary motion of the piston rod is imparted thereto.