The MP Jet .040 PB Classic is a functional replica inspired from post War engines. A two stroke diesel engine equipped with integral tank, a piston controlled compression, long stroke type, single transfer and two sides exhaust ports. Thanks to this concept the engine is easy to start, has high torque under low rpm, runs smooth with very low noise. All these features makes it a great candidate for free flight models like the SAM category, or historical RC models and also any current airplane. It will last for ever. The engine is equipped with a fuel tank suitable for short Free or RC flight.