Quick Overview

Availability: In stock



7-Cylinder 77cc 4-Stroke Glow Radial Engine (EVOE777)

A stunning engine with solid performance and reliability—the 7-cylinder 77cc 4-stroke glow radial engine is designed for larger models, specifically scale applications where the use of a radial engine in a round cowl will provide the ultimate scale look for the modeler’s plane. While providing great looks and sound, it also delivers the dependability and performance of Evolution

Key Features

  • Cylinder head and crankcases produced from aircraft grade alloys
  • Heavy-duty double bearing crankshaft
  • Billet aluminum pistons and hardened steel rings
  • Hard-chromed and lapped cylinder bores
  • Hardened steel cams
  • Carburetor jet valve incorporating of latest design with a split opening for smooth acceleration
  • Zero percent or low nitro (5–10%) fuel with low oil content (5–7% oil/fuel ratio)


Bore 0.93 in (23.7mm)
Crankshaft Threads 10 x 1mm
Cylinder Type Ringed
Cylinders Radial
Engine Diameter 9.1 in (23 cm)
Displacement 4.70 cu. in. (77 cc)
Stroke 0.98 in (25.0mm),0.98 in (25.0mm)
Total Weight 5.7 lb (2.6 kg),5.7 lb (2.6 kg)
Mounting Dimensions Diameter 9.1 in (23.0 cm), Length 7.9 in (20.0cm)
Prop Range 2-blade 22 x 12, 24 x 10; 3-blade 22 x 10
Power 4.8 hp (approximate),4.8 hp (approximate)
Thrust 8.5 kg
Muffler Type Straight pipe - collector ring is available for seperate purchase
Recommended Fuel 0–10% nitro, 9% oil for break-in and for normal operations



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