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GF30 (70T) W/F-6040 SILENCER


  • Model: 3A000
  • Shipping Weight: 1.5lbs
  • Manufactured by: O.S ENGINES

  This is the O.S. Engines GF30 4-Stroke Gasoline Engine.             
FEATURES: Ideal for models designed for 1.20-1.50 glow engines or 20cc gasoline
          Rear mounted O.S. designed carb with PD-08 fuel pump                 
          Lightweight IG-07 igniton module accepts up to 2S LiPo power         
          Positive Crankcase Ventilation (PCV) helps keep model and environment
            cleaner by eliminating blow-by gas and oil waste                   
          Two year limited warranty through Hobby Services beginning at date of
INCLUDES: GF30 4-Stroke Gasoline Engine, Spark Plug, Muffler, Ignition         
            Module and Instructions                                            
REQUIRES: 2-cycle oil, see SPECS                                               
          Ignition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack 
            LiPo battery requires voltage regulator                            
          Propeller: 16x10-12, 17x8-10, 18x6W-8                                
          Gasoline safe fuel tubing and fuel filter                            
SPECS:      Carburetor Adjustments;                                            
          Needle Valve: Slowly open throttle fully after engine is started.    
            Close needle valve in 30-45 increments. When RPMs start to        
             decrease, close needle valve 60-90 further. Open slowly at 15   
             per second until maximum RPM is obtained, then open 60-90        
             further from max RPM point                                        
          Mixture Control Valve: Preset at nearly best position. Do not adjust 
            until break-in is completed                                        
            Start engine & open throttle fully to warm up engine. Set idle     
              around 2000RPM from throttle trim on transmitter. Move throttle  
              from idle to fully open several times & measure idling RPM with  
              tach. If idling is unstable & RPM decreases gradually, the       
              mixture control valve is set rich. If RPM increases at idling    
              or engine doesn't respond quickly, the mixture is too lean.      
              Stop engine & turn mixture control valve 30 clockwise if        
              mixture is too rich, or 30 counterclockwise if too lean.        
              Repeat above procedure until idling RPM becomes stable.          
              For final main needle adjustment, set idling RPM by transmitter  
              depending on prop size and aircraft model. Move throttle stick to
              full throttle quickly and then to full throttle slowly,          
              adjusting needle 15 counterclockwise if too lean, or 15        
              clockwise if too rich.                                           
          Displacement: 1.827 cu in (29.94 cc)                                 
          Bore: 1.496" (38mm)                                                  
          Stroke: 1.039" (26.4mm)                                              
          Practical RPM Range: 1,800-9,000                                     
          Output: 2.8s/2.76hp @ 9000RPM                                        
          Weight: Engine, 34.9oz (990g)                                        
                  Muffler, 4.0oz (113g)                                        
                  Ignition Module, 3.35oz (95g)                                
          Gasoline/Oil Mixture: 30:1 - 50:1                                    
            25:1 fuel/oil mixture if brand of oil states 50:1 mix              
          Crankshaft Size: UNF5/16-24                                          

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