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Great Power GP123 Twin Gas Engine

Great Power GP123 Twin Gas Engine
Great Power GP123 Twin Gas Engine
When performance meets affordability, you get the GP-123 Twin Gas Engine—the ultimate power solution... Read More
from
£1,155.00
Ex Tax: £962.50
  • Stock: In Stock
  • Brand: Great Power Engines
  • Model: GP-123
  • Weight: 3.00kg
  • Dimensions: 40.00cm x 30.00cm x 30.00cm
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When performance meets affordability, you get the GP-123 Twin Gas Engine—the ultimate power solution for 35% aerobatic aircraft. With a 123cc displacement and a 12HP output, this engine is purpose-built for intense 3D manoeuvres, offering smooth operation and unmatched reliability.

A specially designed crankcase ensures equal fuel distribution to both cylinders, minimizing vibration and maximizing durability. With a wide RPM range and compatibility with various prop sizes, the GP-123 gives pilots the flexibility they need for any aerobatic challenge.

Features:

  • 123cc displacement with 12 horsepower output

  • Dual-cylinder design for balanced performance

  • Optimized crankcase for reduced vibration

  • Durable, lightweight, and built for aggressive 3D flight

  • Walbro MJ-71 carburettor and NGK CM-6 spark plugs

  • Includes 2 mufflers and a 2-year warranty by Probuild Aircraft Ltd

Specifications:

  • RPM Range: 1600–8900

  • Compression Ratio: 9.2:1

  • Fuel: 92 Octane Unleaded (40:1 mix)

  • Recommended Props: 27x11, 28x10, 28x12, 29x9, 29x10

  • Weight: Engine - 2300g, Ignition - 202g, Mufflers - 330g

Whether you're upgrading or building from scratch, the GP-123 delivers elite-level performance at a competitive price point.

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