UMS 7-77cc Glow 7 Cylinder Radial 4 Stroke Engine
UMS 7-77cc Glow 7 Cylinder Radial 4 Stroke Engine is available to buy in increments of 1
The UMS 7-77 is a very reliable radial engines which uses glow fuel. UMS has a ton of experience building radial engines. It has brought more than 2000 engines to market so far. The design and construction are upper class leading to a outstanding realibility of these engines. They are easily servicebale. All critical parts are easily accesisble.
KEY FEATURES
- 7-cylinder radial configuration—absolutely stunning looks and realism
- 4-stroke
- Midsize 77cc displacement
- Comes complete with exhaust collector ring —one-box purchase for a ready-to-mount-and-run engine
- User-friendly choke and throttle bellcranks included—makes installation and operation easy
- Made from aluminum or bar stock where appropriate and CNC-machined—accurate and repeatable specifications each and every time
- 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
- Burns glow fuel
SPECIFICATION
| 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 |
| Recommended Fuel | 0–10% nitro, 9% oil for break-in and for normal operations |
Special Order
| Manufacturer | UMS |
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