As of now, includes a high-quality brushless gear pump (Gerotor principle).
The UMS 3-100 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
3-cylinder radial configurationabsolutely stunning looks and realism
4-stroke
Midsize 100cc 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 includedmakes installation and operation easy
Made from aluminum or bar stock where appropriate and CNC-machinedaccurate 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
Cylinder: 3
Running gear: ABC
Carburetor: WT-621
Capacity: 100 ccm
Drilling: 37 mm
Stroke: 32,0 mm
Performance: 9 kgf thrust
Rotation (RPM): 1000-6000
Length: 193 mm
Width: 255 mm
Height: 255 mm
Weight: 3,2 kg with ignition and damper
Propeller Recommendation: 24x8, 24x10
Muffler: Dustbin muffler, WT 621
Ignition: Electronic, 2S LiPo direct
Spark plug: CM-6
Fuel: Gasoline/oil mixture