O.S. SPEED B21 RD2 RONDA DRAKE EDITION 2 1/8 .21 Nitro Engine
This is the O.S. SPEED B21 RD2 RONDA DRAKE EDITION 2 1/8 Buggy .21 Nitro Competition Engine. Designed in collaboration with the legendary Adam Drake, This top level competition engine features an updated outer head design to improve performance by reducing weight and lowering the center of gravity. In addition, adopting a cover plate with a thrust plate improves overall durability and increases the engine lifespan. These changes will provide smoother low end power and more overall torque than the previous model. The RD3 is an excellent choice for both buggy and truck racing as it provides a linear power band, exceptional fuel mileage and tons of overall power.
Features:
- Ronda Drake’s unique engine specs not used on any other O.S. Speed engine
- Adopting a cover plate with a thrust plate to improve the durability for advantages in the races
- Updated outer head design with lighter weight and lower center of gravity to improve performance even in high-grip conditions
- Reduced wear due to interference between the connecting rod and the cover plate during rotation
- Rotation is increased smoothly by adopting a boost bypass processing for the crankcase
- Inner head uses an O-ring to reduce vibration and improve dust resistance.
- Ceramic rear bearing
- Great for buggy and truck racing
- Two-color anodized aluminum with pink accents
- Pink anodized carburetor reducer
- Semi-long stroke configuration
- O.S. SPEED P3 gold plug, great for medium and low speed torque performance, is also included
Specifications:
- Application: 1/8 Buggy Racing
- Size: 0.21
- Cylinders: Single
- Displacement: 3.49cc / 0.213cu.in
- Bore: 16.4mm (0.646 in)
- Stroke: 16.55mm (0.652 in)
- Horsepower: 2.61 HP (34,000 RPM)
- Practical RPM range: 4,000 - 42,000 RPM
- Engine weight: 350g (12.35oz)
- Power Type: Glow
Includes:
- (1) O.S.SPEED B21 RONDA DRAKE EDITION 2 .21 Nitro Engine
- (1) Engine to Header Gasket
- (1) P3 Gold plug
This product was added to our catalog on March 24, 2023
