OS-13612 O.S. Engine 21RG-X (P) Pull Start Nitro Engine  [OS-13612]

O.S. Engine 21RG-X (P) w/Pull Start - OS Engine for All Nitro RC Buggy
Price:
USD$178.10
Brand:
O.S. Engine
Model:
OS-13612
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Unleashing the Power of O.S. Engine 21RG-X (P) in Your Nitro Buggy

The O.S. Engine 21RG-X (P) is a powerhouse designed to elevate your 1/8 scale nitro buggy experience. Known for its balance of top-end speed and low-end torque, this engine is a favorite among RC hobbyists who demand both performance and reliability. Whether you're racing on the track or enjoying a casual drive, the 21RG-X (P) offers the versatility needed to excel in various conditions.

The Engineering Behind the 21RG-X (P)

At the heart of the 21RG-X (P) lies a meticulously crafted engine that boasts a displacement of 3.46cc, delivering an impressive power output of 1.9 BHP at 30,000 RPM. This engine's practical RPM range from 3,000 to 32,000 ensures it can handle both the demands of high-speed racing and the precision needed for technical tracks. The inclusion of a pull-start mechanism simplifies the starting process, making it accessible even for those new to nitro engines.

Perfect Fit for Kyosho and Beyond

While specifically designed to fit certain Kyosho 1/8 scale gas cars, the 21RG-X (P) can be adapted to other models with some modifications. This flexibility makes it a versatile choice for hobbyists looking to upgrade their current setup without committing to a brand-new kit. The integrated pilot shaft crankshaft further enhances its compatibility and ease of installation.

Expert Tips for Optimal Performance

For those looking to push the limits of their buggy, pairing the 21RG-X (P) with a high-quality fuel mixture and regular maintenance will ensure peak performance. Regularly checking and replacing the glow plug can prevent unexpected downtimes during races. Additionally, fine-tuning the carburetor settings can help achieve the perfect balance between speed and fuel efficiency.

Specifications

  • Displacement: 3.46cc (0.211 cubic inches)
  • Bore: 16.6mm (.654")
  • Stroke: 16mm (.63")
  • Weight: 397.5 grams (14.03 ounces)
  • Power Output: 1.9 BHP at 30,000 RPM
  • Practical RPM Range: 3,000 - 32,000 RPM
  • Crankshaft Thread Size: 1/4" x 28
  • Length: 83.2mm (3.28")
  • Width: 29.6mm (1.17")
  • Height: 97.1mm (3.82")

The O.S. Engine 21RG-X (P) is ideal for both seasoned racers and hobbyists seeking a reliable yet powerful engine. Its adaptability and robust performance make it a valuable addition to any 1/8 scale nitro buggy.

While primarily designed for certain Kyosho models, it can be adapted to fit other 1/8 scale buggies with some modifications.
A high-quality nitro fuel with a suitable oil content is recommended for optimal performance and longevity.
It's advisable to check the glow plug regularly and replace it if you notice any performance issues or after every few hours of runtime.
Yes, the pull-start feature makes it user-friendly, even for those new to nitro engines.

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