NOW RCEXL FUEL PUMP INCLUDED
The UMS 7-50 is a very reliable radial engines which uses gasoline as 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 accessible.
Key features
7-cylinder radial configuration—absolutely stunning looks and realism
4-stroke
Midsize 50cc displacement
Comes complete with exhaust collector ring and electronic ignition - Please note that the ignition of this motor is a separate box and is not integrated on the back of the motor. Therefore it will need some space in the fuselage.
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 fuel

Zylinder: 7
Laufgarnitur: ABC
Vergaser: UMS standard
Hubraum: 50 ccm
Bohrung: 20,2 mm
Hub: 22,0 mm
Leistung: 4,8 PS/HP
Rotation (RPM): 1600-5500
Länge: 145 mm
Breite: 18,5 cm
Höhe: 18,5 cm
Gewicht: 2,05 kg
Luftschraubenempfehlung: 20 x 8
Schalldämpfer: Ringschalldämpfer incl.
Zündung: Elektronisch
Zündkerze: 1/4-32 RECXL
Kraftstoff: Benzin/Oil Gemisch