Rahul Sharma (Editor)

Alter A.1

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Top speed
  
117 km/h

First flight
  
February 1917

The Alter A.1 was a single-seat biplane fighter aircraft first flown in February 1917. Built by Ludwig Alter-Werke of Darmstadt to a design by Kallweit and Ketterer, the A.1 was very similar in concept to the Nieuport 11, but not a copy.

Powered by a 110 hp Goebel Goe II 7-cylinder rotary engine, the A.1 had I-type inter-plane struts and a wood-framed, fabric and plywood covered fuselage, armed with twin, synchronised 7.92 mm LMG 08/15 machine guns.

Development was halted following demonstration to the Idflieg (Inspektion der Fliegertruppe), who judged its performance inadequate and its construction overly flimsy.

Specifications (Alter A.I)

Data from Alter A.Ifr:Alter A.I

General characteristics

  • Crew: 1
  • Gross weight: 510 kg (1,124 lb)
  • Powerplant: × Goebel Goe II 7-cylinder air-cooled rotary piston engine, 82 kW (110 hp)

    • Performance

  • Maximum speed: 117 km/h (73 mph; 63 kn)
  • Rate of climb: 3.91 m/s (770 ft/min)
  • Time to altitude: 3,000m in 12.8min

    • Armament

    References

    Alter A.1 Wikipedia
    (Text) CC BY-SA