UMS 115cc Gas 9 Cylinder Engine with Pump

The UMS 9-115 is a very reliable radial engines which uses gas 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 accesisble.

Technical information  

• Cylinder:                   9 
• Cylinder capacity:     115cc
• Bore:                         25mm
• Stroke:                      26mm
• Power:                      12.5kg of thrust
• RPM Range:            1000-6000
• Weight:                     4kg incl.(ignition coil and silencer)
• Width:                       260mm
• Lenght:                     170mm
• Propeller:                  25 x 12 1000 - 5900 RPM 2 Blade Menz's
• Propeller:                  26 x 12 1000 - 5600 RPM 2 Blade Menz's
• Propeller:                  25 x 14   800 - 5200 RPM 3 Blade Biela
• Muffler type:              Collector Ring
• Plug type:                  1/4-32 RECXL
• Carburetor:                WT-793-A Carburetor
• Petrol/Oil Mix:           1:32 2 stroke oil