The UMS 5-150 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:

• 5-cylinder radial configuration—absolutely stunning looks and realism
• 4-stroke
• Midsize 150cc 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

Features:

• Cylinder: 5
• Running gear:ABC
• Carburettor: WT-621
• Displacement: 150 ccm
• Bore: 35,7 mm
• Stroke: 31 mm
• Power: 20 Kg thrust/thrust
• Speed (rpm): 1000-6000
• Length: 175 mm
• Width: 260 mm
• Height: 260 mm
• Weight: 4,3 Kg
• Propeller recommendation: 28 x 10
• Muffler: ring muffler incl.
• Ignition: Electronic, 2S LiPo direct
• Spark plug: CM-6
• Fuel: Petrol/Oil mixture