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The UMS 5-150cc is a very reliable radial engines which uses gas fuel. UMS has a ton of experience building radial engines. 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
- 5 cylinder radial configuration absolutely stunning looks and realism
- 150cc displacement perfect for scale project
- Comes complete with exhaust collector ring,spark plugs,electronic ignition, and engine mount ready to run
- 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 87-110octane gasoline with 32:1 gas/oil mixture
Specifications
| Standard | Metric | |
|---|---|---|
| Type | 4-Stroke Petrol | SPARK IGNITION |
| CYLINDER | 5 (ABC TYPE) | 5 (ABC TYPE) |
| CAPACITY (CU. IN) | 9.1 | 150CC |
| Bore | 1.37″ | 35.7MM |
| Stroke | 1.22″ | 31MM |
| Thrust* | 44.10lbf @ 30×10 SEP prop | 20.0kgf @ 30×10 SEP prop. |
| Power (HP) | 9 | 9 |
| Rotation (RPM) | 1000 – 4800 | 1000 – 4800 |
| Weight | 9.47lbs | 4.3kg incl.(silencer ) |
| Engine Diameter | 10.23″ | 260MM |
| Engine Length | 6.88″ | 175MM |
| Propeller** | 30×10 | 30×10 |
| Muffler Type | Collector Ring | Collector Ring |
| Plug Type | CM-6 RcExl | CM-6 RcExl |
| Carburetor | WALBRO WT-621/793 | WALBRO WT-621/793 |
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