The first fighter to be produced by the Societe anonyme
des Appareils d'Aviation Hanriot, the HD.1 was designed
by Emile Dupont and was built in the summer of
1916. Powered by a 100hp Le Rhone rotary engine and
carrying an armament of one synchronised 7.7mm
Vickers machine gun (although a few aircraft were later
to be fitted with two Vickers guns), the HD.1 was an extremely
compact and agile single-seat fighter. Appearing
later than the SPAD S.VII which was already in production, it was not ordered by France's Aviation militaire.
It was adopted by Italy, however, and licence
manufacture was undertaken by the Societa Nieuport
Macchi which delivered 125 to the Aeronautica del Regio
Esercito in 1917, 706 in 1918, and a further 70 after
the Armistice. The HD.1 was also adopted by Belgium,
to which country Hanriot supplied 79 fighters of this
type from August 1917. The HD.1 continued in service in
both Italy and Belgium into the mid-'twenties. In 1921,
Switzerland purchased 16 from Italian war surplus
stocks and retained these in service until 1930.
| ENGINE||1 x Le Rhone 9Jb, 120 hp|
| Take-off weight||652 kg||1437 lb|
| Empty weight||446 kg||983 lb|
| Wingspan||8.70 m||29 ft 7 in|
| Length||5.85 m||19 ft 2 in|
| Height||2.94 m||10 ft 8 in|
| Wing area||18.20 m2||195.90 sq ft|
| Max. speed||184 km/h||114 mph|
| Ceiling||6000 m||19700 ft|
| Range||360 km||224 miles|
|A three-view drawing (800 x 574)|
|Noel Brathway, 12.10.2017|
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Belgium's leading ace and champion balloon-buster S.Lt Willy Coppens, 9e Escadrille, scored many of his 37 victories in the HD1.
The italian ace Silvio Scaroni flew with such plane in WWI.
The US Navy also purchased a few of these at the end of WW1. An example can be seen at the Naval Air Museum at Pensacola, FL.
Do you have any comments about this aircraft ?