Alter A.1

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 an exact copy.[1]

A.I
Role Scout
National origin Germany
Manufacturer Alter[1]
Designer Kallweit and Ketterer
First flight February 1917
Number built 1

Design and development

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.[1]

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

See also

Aircraft of comparable role, configuration, and era

Notes
  1. Gray, Peter; Owen Thetford (1970). German Aircraft of the First World War (2nd ed.). London: Putnam. ISBN 0-370-00103-6.

References
  • Gray, Peter & Thetford, Owen. German Aircraft of the First World War. London, Putnam. (2nd Ed.) 1970. ISBN 0-370-00103-6

Further reading
  • Green, W. & Swanborough, G. (1994). The Complete Book of Fighters. London: Salamander Books. ISBN 1-85833-777-1
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