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UMS 90cc Gas 7 Cylinder Engine with Pump

UMS 90cc Gas 7 Cylinder Engine with Pump

Regular price £2,276.87 GBP
Regular price Sale price £2,276.87 GBP
Sale Sold out
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Shadow Stock Available

The UMS 7-90 is a very reliable radial engines which uses gas 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.

  • 7-cylinder radial configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 90cc 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

Technical information  

  • Cylinder:                   7 
  • Cylinder capacity:     90cc
  • Bore:                         25mm
  • Stroke:                      26mm
  • Power:                      9.5kg of thrust
  • RPM Range:            1000-6000
  • Weight:                     3.2.kg incl.(ignition coil and silencer)
  • Width:                       230mm
  • Lenght:                     158mm
  • Propeller:                  24 x 10  1000 - 5900 RPM 2 Blade Menz's
  • Propeller:                  24 x 12  1000 - 5700 RPM 2 Blade Menz's
  • Propeller:                  23 x 10    800 - 5300 RPM 3 Blade Biela
  • Muffler type:              Collector Ring
  • Plug type:                  1/4-32 RECXL
  • Carburetor:                WT 793-A Carburetor
  • Petrol/Oil Mix:           1:32
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