Maier MM-4 Four Stroke Gas Engine
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The four stroke gas engine is classically constructed with a bottom-mounted camshaft powered by gearwheels which operate valves via a ram, push rod and rocker arm.
A large flywheel with a flange-mounted ripcord-wheel facilitates comfortable and secure starting.
The gasification, i.e. the blending of gas and air, is achieved via a user-controlled carburetor. The desired rotation speed is adjusted via a lever.
This reduced emission engine with a piezo high voltage ignition is very quiet and even at high rotation speeds produces a pleasant sound.
The engine consumes fuel economically and thanks to the open construction design displays a very satisfactory sequence of piston, crosshead, push rods and rocker arms in motion.
| model | four stroke gas engine MM-4 |
|---|---|
| rotation speed control | via carburetor |
| crank shaft | 3-fold ball bearing mounted |
| cylinder capacity | 1.5 cm³ |
| rotation speed | 200–2,500 rpm |
| ignition | piezo high voltage ignition |
| running time | 40 min/tankful (idling mixture) |
| height × width × length | 220 mm × 120 mm × 180 mm |
| weight | 2,300 g |