Product Description
OS Engines 15650 55HZ-R DRS Ringed .55 Helicopter Engine: Precision Power for Pilots
- Features:
- State-of-the-art power delivery for serious helicopter pilots
- Equipped with the Demand Regulator System (DRS) for outstanding run consistency
- Built-in mount for Futaba GY701 and CGY750 rpm sensors for precise control
- Two needles on the included 40-LR carb for precise middle and high-speed adjustments
- Includes #8 glow plug, 40-LR carb, and check valve for complete setup
- Compatibility:
- Designed for .41 and larger helicopter models, ensuring versatility in various setups
- Ideal for advanced pilots seeking high performance and reliability
- Benefits:
- DRS technology maintains optimal air-fuel mixture regardless of helicopter attitude
- Enhanced tuning capabilities with dual needles for precise speed adjustments
- 2-year limited Hobby Services warranty for peace of mind
- Materials:
- Constructed with high-quality materials for durability and long-lasting performance
- Engine components designed to withstand the demands of serious flying










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