O.S. Engine OSMG0715 15CV-A Aircraft Tuned Glow Engine  [OSMG0715]

O.S. Engine 15CV-A
Price:
CAD$182.71
Brand:
O.S. Engine
Model:
OSMG0715
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Reliable Thrust from the O.S. Engine 15CV-A

The O.S. Engine 15CV-A, known by its model number OSMG0715, is a strong option for RC pilots who want dependable mid-range power. Derived from a proven buggy motor, this aircraft-adapted variant adds an aircraft-style cylinder head and a rotary carburetor to deliver steady, predictable performance for sport and precision flying.

Built for Consistent Operation

What sets the O.S. Engine 15CV-A apart is its aircraft-oriented engineering. Front and rear crankshaft bearings increase output and reduce wear, while the remote needle valve lets you tune fuel mixture safely from a distance during running. These features work well for hobbyists who fly often and need predictable throttle response.

Performance Notes and Powerband

This engine uses a robust crankcase finished in blue and produces 0.50 bhp at 18,000 rpm with a practical operating range between 2,500 and 19,000 rpm. That powerband supports sport flyers and aerobatic pilots who require smooth throttle control and reliable thrust.

Specifications

  • Displacement: 2.49cc (0.152 cu in)
  • Bore: 15.2mm (0.598")
  • Stroke: 13.7mm (0.539")
  • Output: 0.50 bhp @ 18,000rpm
  • Practical RPM: 2,500 - 19,000rpm
  • Weight: 170g (5.99oz)
  • Crankshaft Size: 5mm
  • Mounting Dimensions: Various (see details above)

The O.S. Engine 15CV-A makes a sensible upgrade for pilots seeking a compact, tunable glow unit that balances durability with precise control. It is suitable for those new to glow engines who have some setup experience and for seasoned flyers wanting a reliable small-displacement motor.

Use a fuel with 10% to 20% nitro and around 18% oil as recommended for break-in and regular operation. Start slightly richer for initial runs and lean up as you confirm reliable running.
Props in the 8x4 to 8x6 range are commonly used for aerobatic setups with this engine, though final choice depends on airframe weight and desired rpm band.
Yes, the remote needle lets you alter mixture without reaching over the prop. Make small adjustments while the engine is running and verify with rpm and plug color checks.
The package includes the engine, a #871 muffler, two mounting screws, a #A3 glow plug, a decal sheet, and an instruction manual for setup and maintenance.

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