DLE Engine - DLE-20RA Gas Engine - DLE020RA

This is the DLE-20cc Rear Exhaust Gasoline Engine with Electronic Ignition.   
                                                                               
FEATURES: Sealed crankshaft bearings, efficient design for lighter weight      
          Two petal reed valve rear induction with DLE customized carburetor   
          Redesigned piston is lighter for faster acceleration, better         
            compression, and lower vibration                                   
          Newly designed circuitry and software in electronic ignition provides
            better idle and improved transition, and also allows a wider range 
            of ignition battery voltages from 4.8-8.4V                         
          Rear exhaust with newly designed muffler with two outlet stingers    
            that alloy engine to breathe better and produce more power         
          Lightweight aluminum alloy crankcase                                 
          Two year limited warranty through Hobby Services beginning at date   
            of purchase                                                        
                                                                               
INCLUDES: DLE-20cc Rear Exhaust Gasoline Engine with Electronic Ignition,      
            Muffler, two Muffler Extension Tubes with Clamps, Muffler Gasket   
            two 4x20mm Muffler Screws, Spark Plug, and Manual                  
                                                                               
REQUIRES: Gasoline with at least 87 octane rating                              
          2-cycle oil, mix ratio for this engine is 30 parts gas to one part   
            oil and must be followed exactly for warranty consideration        
            and optimum performance                                            
          4.8 - 8.4V battery for ignition, separate receiver style pack can be 
            used (LiPo & LiFe requires voltage regulator)                      
          Propeller and field equipment                                        
                                                                               
SPECS:    Output Power: 2.5 HP at 9,000RPM                                     
          Idle Speed: 1,700RPM                                                 
          Static Thrust: 13.14lbs (6.3kg) 328ft (100m) altitude                
                         12.6lbs (5.6kg) 5,900ft (1800m) altitude              
          Displacement: 1.22 cu in (20cc)                                      
          Bore and Stroke: 1.26 x .98 (32 x 25mm)                              
          Compression Ratio: 10.5:1                                            
          Weight, Engine Only: 1.7lbs (660g)                                   
                  Exhaust: 2.8oz (80g)                                         
                  Ignition: 4.6oz (130g)                                       
          Fuel Mixture: 30:1                                                   
          Fuel Octane Level: 93                                                
          Propeller Range: 14x10, 15x8, 16x6, 17x6                             
          Ignition Battery: 4.8 - 8.4V                                         
          Replacement Spark Plug: NGK CM6                                      
          Carburetor Settings:                                                 
            Low Speed Needle: 1.5 turns out, adjust until engine idles smooth  
             and transitions to a high speed without dying or flooding         
            High Speed Needle: 1.5 turns out, adjust to peak RPM