This document is an engine instruction manual, emphasizing the importance of reading the safety instructions and warnings before operating the engine, and familiarizing oneself with the controls and features of the engine. It is suggested to keep these instructions for reference. The engine is integrated with the O.S. fuel regulator system.
This manual provides operating instructions for the O.S. MAX-55HZ-R integrated engine, which features the new O.S. regulator system designed for 50 size helicopter models. The regulator ensures a steady fuel supply required for 3D flights, while the 40L-R carburetor allows independent adjustment of idle and high-speed mixtures.
| Engine Size | 50 size |
|---|---|
| Carburetor Type | 40L-R |
| Glow Plug Type | No.8 |
| Fuel Nitromethane Content | 10% to 30% |
| Minimum Lubricant Content | 18% |
A fuel containing 10% to 30% nitromethane is preferable for the best throttle response.
It is essential to use fuel containing at least 18% lubricant by volume for consistent performance and long engine life.
Hex Drivers (1.5mm to 3mm), Phillips Screwdrivers, Socket Drivers (5mm to 7mm), and Needle Nose Pliers are necessary.