This engine is V-twin reciprocating structure, Model Q2, length 67MM, width 102MM, high 103MM. Weight 520G. Bores 10MM, piston stroke 12MM, flywheel diameter 26MM. Output shaft 5MM.Screw fitting is 1/4 "X 40 TPI. Pressure(in psi) is it designed to run at (about 10-50psi) ,Pipeline appropriate 3MM or 4MM.
Its structure is quite compact, The compact V-twin, reducing the vertical dimension.! Throttle switch connected oil cups intermediate layout switching valves And control the speed in both directions.made of metal carefully made of brass and stainless steel. Base increase the performance of two stainless steel bearings enhanced engine.Use stainless steel hex screws, engine seems more retro.
Jin