O.S Engine 1A20C Speed B21 Adam Drake Edition - Off-Road Performance Unit  [OS-1A20C]

O.S Engine 1A20C Speed B21 Adam Drake Edition
Price:
NZD$644.38
Brand:
O.S. Engine
Model:
OS-1A20C
Condition:
Brand New
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alt="O.S Engine 1A20C Speed B21 Adam Drake Edition" title="O.S Engine 1A20C Speed B21 Adam Drake Edition"
alt="O.S Engine 1A20C Speed B21 Adam Drake Edition" title="O.S Engine 1A20C Speed B21 Adam Drake Edition"
alt="O.S Engine 1A20C Speed B21 Adam Drake Edition" title="O.S Engine 1A20C Speed B21 Adam Drake Edition"
alt="O.S Engine 1A20C Speed B21 Adam Drake Edition" title="O.S Engine 1A20C Speed B21 Adam Drake Edition"
alt="O.S Engine 1A20C Speed B21 Adam Drake Edition" title="O.S Engine 1A20C Speed B21 Adam Drake Edition"

Race-Ready Nitro: OS Engine 1A20C Speed B21

RC drivers focused on lap consistency will appreciate the OS Engine 1A20C Speed B21. This nitro engine targets car and buggy builds where steady power and responsive throttle feel are priorities during competitive runs.

Built for Controlled Power Delivery

The internal layout and slide-valve carburetor on the OS Engine 1A20C Speed B21 help keep fueling stable across different loads. The cooling arrangement aids in heat management so the engine maintains performance through longer heats and hard-driving sessions.

Easy to Tweak for Local Tracks

Adjustability is a strong point for the Speed B21, allowing fine needle changes to match surface grip and driver style. It is compatible with many popular chassis, making it a flexible option for racers who switch setups often.

Maintenance Pointers

Regular inspection of the glow plug and air filter, plus quick carburetor verifications after each outing, will extend service life and keep the Speed B21 running predictably.

Specifications

  • Engine Type: Nitro
  • Displacement: 3.49cc
  • Carburetor Type: Slide Valve
  • Recommended Use: Car & Buggy
  • Glow Plug: Included

With a focus on reliability and tuning potential, the OS Engine 1A20C Speed B21 suits club racers and hobbyists who value consistent lap times and ease of setup.

Basic setup is straightforward, but optimal jetting needs some trial runs on your specific track to dial in top-end and response.
It works well on hard-packed dirt and sealed club tracks; adjust gearing and jetting for loose or wet surfaces to maintain drivability.
Aftermarket cooling heads, tuned pipes, and high-performance glow plugs are typical upgrade paths to squeeze extra durability and response.
A stable mid-range nitro blend is fine for practice; reserve higher nitro content fuels for race-day runs once jetting is verified.

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