Description
Experience unrivalled performance with the Great Power GP-178 Twin Gas Engine — engineered for serious RC aircraft pilots who demand maximum power, reliability, and balance.
With an impressive 178cc displacement and a 20.5 horsepower output, the GP-178 delivers commanding thrust for large-scale and aerobatic models. Its wide RPM range (1100–8900) provides smooth throttle response, while the 9.2:1 compression ratio ensures efficient fuel use and reduced vibration throughout flight.
Precision-crafted for balance and durability, the specially designed crankcase ensures even fuel distribution, resulting in smoother performance and longer engine life. Equipped with a Tillotson HD14A carburettor and NGK CM-6 spark plugs, the GP-178 guarantees consistent combustion and top-tier reliability.
Whether you’re building a new project or upgrading an existing airframe, the GP-178 Twin Gas Engine provides elite-level power and precision — ready for take-off straight out of the box.
Key Features
✅ 178cc displacement delivering 20.5 horsepower
✅ Wide operating RPM range of 1100–8900
✅ 9.2:1 compression ratio for optimal fuel efficiency and smooth operation
✅ Balanced crankcase for reduced vibration and consistent performance
✅ Equipped with Tillotson HD14A carburettor and NGK CM-6 spark plugs
✅ Includes 2 mufflers
✅ Supported by a 2-year warranty from Probuild Aircraft Ltd
Perfect For
-
Large-scale and giant-scale RC aircraft
-
Precision aerobatic and 3D flying
-
Pilots seeking high torque, smooth performance, and reliability
-
Builders looking for a professional-grade twin engine
Product Summary
The Great Power GP-178 Twin represents the next generation of large-scale RC engines — combining brute power with refined engineering. Designed to meet the needs of competitive and precision flyers alike, this engine offers unbeatable performance, balance, and endurance for serious RC enthusiasts.
Why Buy from Probuild Aircraft Ltd
✅ Official UK Great Power Engines Stockist
✅ 100% Genuine Products
✅ Trusted by Top International Pilots
✅ Fast, Reliable UK Shipping
✅ Supporting RC Pilots Since 1993
Great Power GP178 Twin Gas Engine
£1,720.00Incl. VAT
Description
Experience unrivalled performance with the Great Power GP-178 Twin Gas Engine — engineered for serious RC aircraft pilots who demand maximum power, reliability, and balance.
With an impressive 178cc displacement and a 20.5 horsepower output, the GP-178 delivers commanding thrust for large-scale and aerobatic models. Its wide RPM range (1100–8900) provides smooth throttle response, while the 9.2:1 compression ratio ensures efficient fuel use and reduced vibration throughout flight.
Precision-crafted for balance and durability, the specially designed crankcase ensures even fuel distribution, resulting in smoother performance and longer engine life. Equipped with a Tillotson HD14A carburettor and NGK CM-6 spark plugs, the GP-178 guarantees consistent combustion and top-tier reliability.
Whether you’re building a new project or upgrading an existing airframe, the GP-178 Twin Gas Engine provides elite-level power and precision — ready for take-off straight out of the box.
Key Features
✅ 178cc displacement delivering 20.5 horsepower
✅ Wide operating RPM range of 1100–8900
✅ 9.2:1 compression ratio for optimal fuel efficiency and smooth operation
✅ Balanced crankcase for reduced vibration and consistent performance
✅ Equipped with Tillotson HD14A carburettor and NGK CM-6 spark plugs
✅ Includes 2 mufflers
✅ Supported by a 2-year warranty from Probuild Aircraft Ltd
Perfect For
-
Large-scale and giant-scale RC aircraft
-
Precision aerobatic and 3D flying
-
Pilots seeking high torque, smooth performance, and reliability
-
Builders looking for a professional-grade twin engine
Product Summary
The Great Power GP-178 Twin represents the next generation of large-scale RC engines — combining brute power with refined engineering. Designed to meet the needs of competitive and precision flyers alike, this engine offers unbeatable performance, balance, and endurance for serious RC enthusiasts.
Why Buy from Probuild Aircraft Ltd
✅ Official UK Great Power Engines Stockist
✅ 100% Genuine Products
✅ Trusted by Top International Pilots
✅ Fast, Reliable UK Shipping
✅ Supporting RC Pilots Since 1993