UMS radial-engine, 7 cylinder 90ccm, gas
The UMS 7-90 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.
The newest version of this motor comes with a new carburetor. A fuel pump is not needed any more.
Features
7-cylinder radial configuration—absolutely stunning looks and realism
4-stroke
Mid size 90cc displacement
Comes complete with exhaust collector ring and electronic ignition —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 gasoline fuel
Test results: 4700-4800 rpm with Fiala 26x10 Propeller
Fuel pump included in the set
Zylinder: 7
Laufgarnitur: ABC
Vergaser: WT 621
Hubraum: 90 ccm
Bohrung: 25,0 mm
Hub: 26,0 mm
Leistung: 6,0 PS/HP
Rotation (RPM): 1450-5600
Länge: 20,0 cm
Breite: 23,0 cm
Höhe: 23,0 cm
Gewicht: 3,2 kg
Luftschraubenempfehlung: 24 x 10
Schalldämpfer: Ringschalldämpfer incl.
Zündung: Elektronisch
Zündkerze: 1/4-32 RECXL
Kraftstoff: Benzin/Oil Gemisch
