Key facts
- Brand
- O.S. Engines
- Model
- 50SX-H
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-08
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O.S. Engines 50SX-H Helicopter Engine Owner's Instruction Manual
This manual provides comprehensive operating instructions for the O.S. Engines 50SX-H, a high-performance internal combustion engine developed expressly for F3C M class helicopter competition. The engine utilizes a 50 cubic inch displacement and features interchangeable mounting with the O.S. 46FX-H model.
Read onlineO.S. Engines 50SX-H specifications
| Application | F3C M class helicopter competition |
|---|---|
| Displacement | 0.50 cubic inch |
| Carburetor Type | 60LH |
| Fuel Nitromethane Content | 10% to 30% |
| Minimum Lubricant Content | 18% |
Source: O.S. 50SX-H Helicopter Engine Owner's Instruction Manual
All O.S. Engines 50SX-H documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the O.S. 50SX-H engine designed for?
It is designed for F3C M class helicopter competition and should not be used for any other purpose.
From: O.S. 50SX-H Helicopter Engine Owner's Instruction Manual
What fuel is recommended for the O.S. 50SX-H?
A fuel containing 10% to 30% nitromethane is preferable for the best throttle response.
From: O.S. 50SX-H Helicopter Engine Owner's Instruction Manual
Can the 50SX-H be used for purposes other than helicopters?
No, the engine was designed specifically for model helicopters and should not be used for any other purpose.
From: O.S. Engines 50SX-H Helicopter Engine Owner's Instruction Manual
What screws are recommended for securing the engine?
The recommended screws are 3mm or 4-40 steel Allen type, preferably with lock washers or LOCTITE.
From: O.S. Engines 50SX-H Helicopter Engine Owner's Instruction Manual