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)
Video Overview
Product Specifications
| Bore | 0.93 in (23.7mm) |
| Crankshaft Threads | 10 x 1mm |
| Cylinder Type | Ringed |
| Displacement | 4.70 cu. in. (77 cc) |
| Power Type | Glow |
| Mounting Dimensions | Diameter 9.1 in (23.0 cm), Length 7.9 in (20.0cm) |
| Muffler Type | Straight pipe – collector ring is available for seperate purchase |
| Prop Range | 2-blade 22 x 12, 24 x 10; 3-blade 22 x 10 |
| RPM Range | 1,000-6,000 |
| Stroke | 0.98 in (25.0mm) |
| Total Weight | 5.7 lb (2.6 kg) |
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