Product Description
OS Max 105HZ-R DRS: Unmatched Power and Performance for 3D Pilots
- Features:
- Displacement: 17.17 cc with a stroke of 26 mm and bore of 29 mm
- Power output: 3.7 HP at 15,000 RPM
- RPM range: 2,000 – 16,500 RPM for versatile performance
- Weight: 609 g without muffler for a lightweight design
- Compact design fits in a .90-sized mounting pattern
- Performance:
- Increased displacement by 15% for enhanced power delivery
- Huge venturi design rams air into the carburetor, maximizing output
- Machined, blue anodized heatsink head for efficient cooling and reduced weight
- DRS (Demand Regulator System) ensures consistent fuel flow regardless of helicopter attitude
- Benefits:
- Ideal for precision aerobatic and 3D helicopter pilots seeking high performance
- Capable of executing huge maneuvers and hardcore 3D flying with ease
- Enhanced power and efficiency make it perfect for demanding flight styles
- Compatibility:
- Designed for use in 90-sized helicopters, providing a powerful upgrade for existing setups
OS Engines 15650 55HZ-R DRS Ringed .55 Helicopter Engine









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