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            Keleher JK-I Lark 
      
      
        
      
            
             
            
            
      
            Design should be built as per plans and not modified. Larger engines do not appreciably
            increase performance but will reduce range
            and increase both empty and gross weight.
            
             
              
               
               
               specifications 
 
              
                
                powerplant 
                propeller 
                length 
                height 
                wing span 
                wing area 
                seats 
                empty weight 
                
                useful load 
                gross weight 
                fuel capacity 
                range | 
                
                
      
            
            
                Cont. CABS-i 2 HP Range85/75-200 
                x 
                
      
      
            
            
                17ft 
                
      
      
            
            
                5.8ft 
                
      
      
            
            
                23ft 
                
      
      
            
            
                81sq. ft 
       
                1 
                
      
      
            
            
                661lb 
      
                 
                x 
                
      
      
            
            
                805lb 
                
      
                
                
                
                14gal 
                
      
      
            
            
                275n.m | 
               
             
            
            performance 
            
             
            
              
                
                takeoff distance, 
                ground roll 
                rate of climb 
                max speed 
                cruise speed 
                landing distance, ground roll 
                
                
                service ceiling | 
                
                
      
            
            
                600ft 
                
      
      
            
            
                1000fpm 
                
      
      
            
            
                130mph 
                
      
      
            
            
                120mph 
                
      
      
            
            
                700ft 
                
      
      
            
            
                16,000ft | 
               
             
            
            limiting and recommended speeds
             
            
              
                
                design manoeuvring speed (Va) 
                never exceed speed (Vne) 
                stall, power off (Vsl) 
                landing approach speed  | 
                
                
                x 
                x 
                
      
      
            
            
                7mph 
                x | 
               
             
            All specifications are based on manufacturer's 
            calculations  | 
               
              
 
      
              
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