O.S. Engines GGT-15 Gasoline Engine

RC O.S. 15cc Thermal Engine - Power and Reliability for Your Scale Models

Reduced consumption for increased autonomy

Operating on gasoline is a real advantage for pilots who regularly engage in long flight sessions.

Compared to a glow engine running on methanol, the GGT-15 shows significantly lower consumption, allowing for a noticeable increase in autonomy without modifying the fuel tank.

Fuel is also easier to find and its operating cost is generally lower than that of traditional glow fuels.

This energy efficiency appeals to both recreational pilots and hobbyists looking for an economical long-term solution.

Performance Perfectly Suited for Sport Aircraft

With its displacement of 14.95 cm³ and generous torque, the O.S. GGT-15 is suitable for a wide variety of radio-controlled aircraft.

It easily fits on sport planes, aerobatic models, warbirds, or even scale models requiring reliable and consistent power.

Its progressive behavior allows for excellent throttle control, both during slow maneuvers and during steep climbs or aerobatic maneuvers.

This versatility explains the success of this engine among pilots looking to replace a traditional glow engine without significantly altering their model.

A Design Built to Last

Like all O.S. Engines products, the GGT-15 benefits from high-precision machining and materials selected for their durability.

Each component is designed to withstand the significant mechanical stresses generated by a modern thermal engine.

The cylinder, piston, crankshaft, and bearings undergo particularly careful manufacturing, ensuring excellent longevity with regular maintenance.

This quality of construction also helps maintain consistent performance over hours of operation.

An Engine Appreciated for Its Flexibility

Beyond its pure performance, the GGT-15 is known for its particularly smooth operation.

Accelerations are gradual, throttle response is sharp, and the engine maintains excellent stability across its entire RPM range.

This flexibility facilitates both leisurely flights and more dynamic maneuvers, while providing a real comfort in piloting.

After a break-in period following the manufacturer's recommendations, the engine offers stable settings and requires minimal adjustments, which is a significant advantage for pilots looking to spend more time flying than tuning.

O.S. Engines Expertise

For over 80 years, O.S. Engines has been among the most prestigious manufacturers of thermal engines for modeling.

The Japanese brand has established itself through the precision of its machining, the reliability of its mechanics, and its innovative capacity.

The GGT-15 fully embodies this philosophy by offering original technology that simplifies the use of a gasoline engine without compromising on performance.

Even today, it remains a benchmark for hobbyists seeking a modern, economical, and long-lasting power source.

Specific Spark Plug and Easy Start

The engine operates with a specific G5 type spark plug, powered by a 1.2V / 2.5A battery for starting. This system ensures quick and efficient startup, even for demanding users.

O.S. Manufacturing Quality

Like all 2-stroke and 4-stroke engines from the brand, this model benefits from the exceptional manufacturing quality of O.S. Engines. Each part is designed to last and deliver consistent performance.

O.S. Carburetor for Easy Tuning

Equipped with an O.S. carburetor, it guarantees linear accelerations and easy tuning. Hobbyists can achieve precise and stable throttle response during use.

15cc Displacement: Power and Compatibility

With its 15cc displacement, this thermal engine combines power and reliability. It perfectly fits models originally designed for engines from 12 to 15cc, whether 2-stroke or 4-stroke.

Included Silencer and Scale Model Option

Delivered as standard with the O.S. E-4040 silencer, it offers excellent noise reduction without power loss. For enthusiasts of realism, a special scale model silencer (reference E-4051) is available as an option.

✅ Key Features

• 15cc RC thermal engine running on gasoline

• Operates without electronic ignition

• G5 spark plug, 1.2V / 2.5A battery for starting

• O.S. carburetor for easy tuning

• 15cc displacement, compatible with 12 to 15cc (2T and 4T) engines

• Comes with E-4040 muffler, optional E-4051 model muffler