SPAD S.VII

British-built SPAD S.VII of the RFC 30 July 2012

The SPAD S.VII C.1 was the first in a series of single-seat biplane fighter aircraft produced by Société Pour L'Aviation et ses Dérivés (SPAD) during the First World War. Like its successors, the S.VII was renowned as a sturdy and rugged aircraft with good diving characteristics. It was also a stable gun platform, although pilots used to the more maneuverable Nieuport fighters found it heavy on the controls.

Construction was of a single-bay biplane wing with additional struts mounted mid-bay at the point of junction of the flying and landing wires. This design simplified rigging and reduced drag. The fuselage was of the standard construction for the time, consisting of a wooden frame covered with fabric, while the forward part was covered with metal sheeting. A .303 (7.7mm) Vickers machine gun was installed above the engine, synchronized to fire through the propeller arc. The prototype was also fitted with a large spinner, to be abandoned later.

Early production aircraft suffered from numerous defects which took time to resolve and limited deliveries. While a few SPADs arrived at frontline units as early as August 1916, large numbers only began to appear in the first months of 1917.

With early problems solved and production shared between several manufacturers, the SPAD VII was finally available in large numbers at the front in early 1917. By mid-1917, some 500 were in front-line service, having largely replaced the Nieuport. It gained a reputation for being stronger than its predecessors. Its principal shortcoming was its one machine gun armament at a time when the opposing Albatros D.III fighters were equipped with two. The SPAD VII was gradually replaced by the improved SPAD XIII in frontline units, but remained in use as a trainer aircraft with Aviation Militaire throughout the war, and it remained as the standard pilot certification test aircraft until 1928. Wikipedia SPAD S.Vll