Fokker S.14 Machtrainer
| S.14 Machtrainer | |
|---|---|
 |
|
| Machtrainer L-17 | |
| Role | Jet Trainer |
| National origin | Netherlands |
| Manufacturer | Fokker |
| First flight | 19 May 1951 |
| Introduction | 1955 |
| Retired | 1967 |
| Primary user | Royal Netherlands Air Force |
| Number built | 21 |
The Fokker S-14 Machtrainer was a Dutch two-seater military training jet aircraft designed and manufactured by Fokker for the Royal Netherlands Air Force. Development started in the late 1940s, and it was one of the first jet fighter training aircraft in the world, making its first flight on 19 May 1951 and entering service in 1955.
In the late 1940s, the Dutch aircraft manufacturer, Fokker, realising that the increasing use of jet-powered fighters meant that existing piston-engined advanced trainers had insufficient performance, started design of a jet-engined advanced trainer, the S.14 Machtrainer. According to Harker the idea for a Dutch jet trainer originated after Rolls-Royce approached Fokker with drawings for a Derwent-powered jet trainer. Rolls-Royce feared losing the large market for jet trainers to the Goblin-powered Vampire and, after an unsuccessful attempt to interest Miles Aircraft in producing a Derwent-powered competitor, approached Fokker. The S.14 was a low-winged monoplane of all-metal construction. In order to aid use in its role as a trainer, the crew of two sat side by side on Martin-Baker ejection seats, with room in the spacious cockpit for a third crew member, although this capability was never used. This gave a fairly wide fuselage. It had a retractable tricycle undercarriage, and was powered by a single Rolls-Royce Derwent engine mounted in the centre fuselage, fed from air inlets in the aircraft's nose. Three airbrakes were fitted to the rear fuselage. The wing design and size allowed for the aircraft to land at much lower speeds than most jet aircraft at the time.
The first prototype, powered by a Derwent V engine, and registered PH-NDY, made its maiden flight on 19 May 1951, and despite being damaged when its undercarriage failed to extend on its second flight later the same day, was displayed at the Paris Air Show later that year.
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