UMS radial-engine, 7 cylinder 50ccm, gas

UMS radial-engine, 7 cylinder 50ccm, gas
€1,899.00 *

Prices incl. VAT plus shipping costs

Ready to ship today,
Delivery time appr. 1-3 workdays

  • 41003
The UMS 7-50 is a very reliable radial engines which uses gasoline as fuel. UMS has a ton of... more

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.

In addition we at Tomahawk Aviation offer a full after sales service support for these engines here in Europe, fast, competent and reliable. 

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
All technical information at a glance: more
Zylinder: 7
Cylinder type: ABC
Carburetor: UMS standard
Cylinder capacity: 50 ccm
Bore: 20,2 mm
Stroke: 22,0 mm
Power: 4,8 PS/HP
Rotation (RPM): 1600-5500
Lenght: 145 mm
Width: 18,5 cm
Hight: 18,5 cm
Weight: 2,05 kg
Propeller: 20 x 8
Muffler type: collector ring incl.
Ignition: electronic
Plug type: 1/4-32 RECXL
Fuel: petrol/oil mix