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         The 
         DIS was a sleek twin-engined long-range escort fighter for tactical 
         bombers. It was also could be used as light bomber, torpedo-bomber and 
         recon.. Construction - mixed.  
         Two 
         built - one with AM-37 (designated 'T') and one with M-82F engines 
         (designated 'IT'). 'T' was finished in the end of 1941 and passed 
         factory tests, demonstrating 610km/h at 6800m. 'IT' was 
         finished later in October 1942 and tests were not finished - because 
         the Pe-2 was already in mass production. It was unnecessary to scatter 
         production efforts for aircraft with similar characteristics... 
         
         Specifications 
         
          
           
           
           Year deployed  
           Wing span, m  
           Length, m  
           Height, m 
           Wings area, m2  
           Weight, kg  
           empty aircraft 
           at take-off 
           Engine  
           Power, hp 
           Maximum speed, km/h  
           at sea level 
           at altitude 
           Range, km 
           Rate of climb, m/min 
           Service ceiling, m 
           Crew 
           Armament: | 
           
           -  
           15.90 
           11.50 
           3.40 
           38.90 
            
           6540 
           8060 
           2 PE ASh-82F 
           2 У 1700 
            
           604 
           610 
           2800 
           -  
           9800 
           1 
           2 23-mm cannons VYa-23, 2 12.7-mm machine-guns BS   
           4 7.62-mm machine-guns ShKAS | 
           
          
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