The UMS 7-260 is a very reliable radial engines which uses gas 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.
- 7 cylinder radial configuration absolutely stunning looks and realism
- 260cc 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 bell cranks 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 87-110 octane gasoline with 32:1 gas/oil mixture
Specifications
UMS Gas Radial Engine Manual 7-260
| Standard | Metric | |
|---|---|---|
| Type | 4-Stroke Petrol | SPARK IGNITION |
| CYLINDER | 7 (ABC TYPE) | 7 (ABC TYPE) |
| CAPACITY (CU. IN) | 15.8 | 260CC |
| Bore | 1.40″ | 35.7MM |
| Stroke | 1.45″ | 37MM |
| Thrust* | 55.8lbf @ 32×12 Menz prop. | 25.4kgf @ 32×12 Menz prop. |
| Power (HP) | 15.6 | 15.6 |
| Rotation (RPM) | 1000 – 5500 | 1000 – 5500 |
| Weight | 13.6lbs | 6.2kg incl.(silencer ) |
| Engine Diameter | 13″ | 328MM |
| Engine Length | 8.4″ | 215MM |
| Propeller** | 32×12, 32×14, 32×18 | 32×12, 32×14, 32×18 |
| Muffler Type | Collector Ring | Collector Ring |
| Plug Type | CM-6 RcExl | CM-6 RcExl |
| Carburetor | WALBRO WT-621 | WALBRO WT-621 |
Reviews (1)
1 review for UMS 260cc Gas – 7 Cylinder Radial 4 Stroke Engine
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Steven (verified owner) –
This engine is awesome right out of the box started ran smoothly with no adjustments. It is installed on a 110inch muscle bipe from Extreme Flight and has excessive power for that plane. Thank you again for another awesome engine for my fleet!!!