With a total weight of mere 3650 grams, GP178 keeps a perfect balance between weight and horsepower. It presents minimum vibration and superior smoothness at the same time, making it the most suitable engine for your 37%~42% aircrafts. The specially mechanic design gurantees optimal performance during extreme flights.

SPECIFICATION :

Displacement : 178 c.c. 

Bore : 53 mm 

RPM Range : 1100-9000 

Output : 21.5 Horsepower 

Total Weight : 3550 g 

Ignition Weight : 202 g 

Muffler Weight : 430 g 

Gasoline : 92 Unleaded 

Gas/Oil Mix Ratio : 40:1 

Carburetor : Walbro WB-27 

Spark Plug : NGK CM-6  

Recommended Propeller : 30x13, 32x10, 32x11