| Technical Specification: |
| Displacement (Cylinder Inhoud) |
90 |
ccm |
|
Output Power (Vermogen) |
6 |
hp |
| |
kW |
| Carburetor |
WT-793A |
Walbro |
| Static Thrust |
|
kg |
| Speed Range (Toerental) |
1200 - 6000 |
rpm (omw/min) |
| Propeller |
26x10 .. 24x12 |
inch |
| Ignition power supply (Spanning ontsteking) |
4.8 - 8.4 |
Volt |
| Spinner mount thread |
M4 |
mm |
| Crankshaft mount thread |
10 |
mm |
| Gas/Oil mix ratio (Brandstof verhouding) |
30 : 1 |
gas : oil |
| Weight: |
| Engine (including muffler and fuel pump) |
3000 |
gram |
| Muffler |
- |
gram |
| Ignition |
480 |
gram |
| Documentation: |
| User Manual (Gebruikers Handleiding) |
|
| Approx. Fuel Flow |
cc/min (full throttle) |
| Link to manufacturer |
|
| Links: |
| Spare Parts |
|
Spark plugs are of type: 1/4-32
7-Cylinder 90cc 4-Stroke Gas / Petrol Radial Engine
The UMS 7-90 is a very reliable radial engines which uses gas fuel. UMS has a lot 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 accessible.
Key Features
- 7-cylinder radial configuration—absolutely stunning looks and realism
- 4-stroke
- Midsize 90cc 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 gas/petrol fuel
The UMS-7-90cc 4-stroke radial gas engine from UMS is especially developped for scale models.
Dimensions:
Diameter of the engine is 23 cm.
