Corsatec .21 RS Off-Road Engine 3 Ports

The Corsatec RS Line .21 Competition Engine is manufactured in Japan by O.S. Speed and delivers exceptional power, drivability and reliability.

RS Line features a redesigned cylinder liner and precision-balanced crankshaft to give smooth, linear power delivery and strong throttle response. The lightweight cooling head enhances drivability by optimising engine balance and reducing overall weight.

The engine has a strong balance between speed and fuel efficiency, and is consist and easy to tune. It is designed for the demands of modern 1/8 off-road competition.

Features

• Manufactured in Japan by O.S. Speed to Corsatec specifications
• Developed in collaboration with Adrien Bertin
• Based on the proven O.S. Speed B2105 competition platform
• Redesigned cylinder liner for smooth, linear power delivery
• Precision-balanced crankshaft for improved throttle response and drivability
• Lightweight cooling head for enhanced vehicle balance and performance
• Exceptional fuel efficiency and tuning stability
  
• High-quality front and rear bearings for long service life and reliability

Specifications

• Engine Type: 1/8 Off-Road Competition Nitro Engine
• Displacement: 3.49cc / 0.213 cu.in.
• Bore: 16.27mm
• Stroke: 16.80mm
• Maximum Output: 2.68ps (2.64hp) @ 34,000rpm
• Practical RPM Range: 4,000 – 42,000rpm
• Weight: 348g

Standard Accessories

• O.S. Speed P3 Glow Plug
• Reducer φ6Ⅱ
• Reducer φ6.5Ⅱ
• Exhaust Seal Ring
• Dust Cap Set (φ3, φ16, φ18)