This is the O.S. Engine Instruction Manual, which introduces the features and usage of the engine
This manual covers the O.S. Engines FS-91SI-FI, a model aircraft engine equipped with a revolutionary electronic fuel injection system jointly developed by O.S. Engines and Futaba. The system uses an EC-2 electronic control unit to detect engine speed and inject the proper amount of fuel based on throttle signals, ensuring excellent linearity and stability.
| Application | Model aircraft |
|---|---|
| Fuel System | Electronic Fuel Injection |
| Control Unit | EC-2 |
It is equipped with a revolutionary fuel supply system jointly developed by Futaba and O.S. Engines.
The system detects engine speed with a sensor based on throttle signals and determines the fuel injection volume based on the required amount calculated by the EC-2.
Yes, adjustments can be made while on the ground and during flight using dials on the transmitter.