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UMS 7-Cylinder 77cc 4-stroke Radial Glow Engine Including ring muffler.

 Output Power  

 6hp

 Propeller  

 24x8 .. 24x12

 Weight  

 3500g (excl./incl.mufflers)  

  Delivery includes: glow plugs and ringmuffler.

Bigplanes is the importer of UMS engines for the EU and beyond. Engine TestBench

We offer a complete after sales service for the UMS engines.

In-House maintenance:

All maintenance of the UMS gas engines is done in-house by Bigplanes. This also includes a warranty service. Bigplanes has over 45 years of gas engine maintenance experience and as such can perform the maintenance at a very high level.

We have all tools available to perform the maintenance needed like measuring the cylinder pressure, thrust, fuel consumption, ignition, wire and sensor testing, temperature check of each cylinder and an overall engine check by using thermal imaging etc.. All maintenance is done using a robust engine Test-Bench with a metal protective safety cage for the propellor.

Technical  Specification:  
 Displacement                   (Cylinder Inhoud)  99  ccm                   

 Output Power                           (Vermogen) 

 6  hp
   kW
 Carburetor

 UMS

 
 Static Thrust  8.5  kg
 Speed Range                             (Toerental)  1000 - 6000  rpm (omw/min)    
 Propeller  24x8 .. 24x12  inch 
 Ignition power supply (Spanning ontsteking)  n.a.  Volt
 Spinner mount thread    mm 
 Crankshaft mount thread        mm 
 Gas/Oil mix ratio     (Brandstof verhouding)  11 : 1  methanol : oil
 Weight:
 Engine                  (including mounting HW)  3500  gram
 Muffler    gram 
 Ignition  n.a.  gram 
 Documentation:
 User Manual         (Gebruikers Handleiding)  
 Approx. Fuel Flow  cc/min (full throttle)
 Link to manufacturer  
 Links:
 Spare Parts

9-Cylinder 99cc 4-Stroke Glow Radial Engine

The UMS 9-99 is a very reliable radial engines which uses glow fuel. UMS has a lot 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

  • 9-cylinder radial configuration—absolutely stunning looks and realism
  • 4-stroke
  • Midsize 99cc displacement
  • Comes complete with exhaust collector ring —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 glow fuel

 

The UMS-9-99cc 4-stroke radial glow engine from UMS is especially developped for scale models.

Dimensions:

Diameter of the engine is 26 cm.

 

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