O.S. MAX-105HZ-R DRS Helicopter Engine

The O.S. MAX-105HZ-R DRS is a high-performance 1.05 cu. in. nitro helicopter engine designed to deliver strong power, smooth operation and consistent fuel delivery for demanding RC helicopter applications.

Features

• Uses the same mounting dimensions as a .90 cu. in. helicopter engine
• Machined blue anodized aluminum heatsink cylinder head
• Velocity stack improves airflow and helps enhance engine performance
• Pressurized DRS (Demand Regulator System) provides consistent fuel flow regardless of helicopter attitude
• Backplate accepts the Futaba BPS-1 RPM sensor for use with GY701 and CGY750 gyro systems
• Optimized bore and stroke ratio designed to help minimize vibration

Specifications

• Displacement: 1.048 cu. in. (17.17cc)
• Bore: 1.142" (29mm)
• Stroke: 1.024" (26mm)
• RPM Range: 2,000–16,500 RPM
• Output: 3.7 PS @ 15,000 RPM
• Weight: 21.46 oz (608g)

Includes

• 1 × O.S. MAX-105HZ-R DRS Helicopter Engine
• 1 × Glow Plug
• 1 × Instruction Manual

Required

Helicopter fuel with approximately 15% nitro content.