UMS radial-engine, 5 cylinder 125ccm, gas

€2,209.00 *

Prices incl. VAT plus shipping costs

Delivery time on request

  • 41013
The UMS 5-125 is a very reliable radial engines which uses gasoline as fuel. UMS has a ton of... more

The UMS 5-125 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.

The motor comes with an electric fuel pump. The settings on the fuel pump are fixed for the engine type. Don´t change the fuel pump from one engine size  to another size.

Key features

  • 5-cylinder radial configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 125cc 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
All technical information at a glance: more
Zylinder: 5
Laufgarnitur: ABC
Vergaser: WT 621
Hubraum: 125 ccm
Bohrung: 31 mm
Hub: 33 mm
Leistung: 14 kgf Schub/thrust
Rotation (RPM): 1000-6000
Länge: 166 mm
Breite: 265 mm
Höhe: 265 mm
Gewicht: 3,9 kg
Luftschraubenempfehlung: 26 x 10
Schalldämpfer: Ringschalldämpfer incl.
Zündung: Elektronisch, 2S LiPo direkt
Zündkerze: CM-6
Kraftstoff: Benzin/Oil Gemisch
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