title: Knoller D.I
text: # Knoller D.I
  
  The Knoller D.I series 70 was a prototype fighter aircraft built in the Austro-Hungarian Empire during World War I for use by the Kaiserliche und Königliche Luftfahrtruppen (KuKLFT).
  
  ## Variants
  
  ### 70.01
  
      first prototype
  
  ### 70.02
  
      second prototype
  
  ### D.I
  
      planned production version (10 ordered, none built)
  
  ## Specifications (70.01)
  
  Data from
  
  General characteristics
  
  * Crew: 1
  * Length: 6.35 m (20 ft 10 in)
  * Wingspan: 8.02 m (26 ft 4 in)
  * Height: 2.85 m (9 ft 4 in)
  * Wing area: 22 $m^2$ (240 sq ft)
  * Empty weight: 646 kg (1,424 lb)
  * Gross weight: 940 kg (2,072 lb)
  * Powerplant: 1 × Hiero 6 cylinder water-cooled in-line piston engine, 170 kW (230 hp)
  * Propellers: 2-bladed fixed-pitch propeller
  
  Performance
  
  * Maximum speed: 240 km/h (150 mph, 130 kn)
  * Cruise speed: 205 km/h (127 mph, 111 kn)
  * Endurance: 2 hours 30 minutes
  * Service ceiling: 7,550 m (24,770 ft)
  * Time to altitude: 1,000 m (3,300 ft) in 4 minutes 24 seconds
  
  Armament
  
  * Guns: 2 × synchronized 8 mm (0.315 in) Schwarzlose MG-16 machine guns
  