Fokker S.14 Machtrainer

Fokker S.14 Machtrainer
Pays	Pays-Bas
Rôle	Jet d’entraînement
Première mouche	19 mai 1951
Construit	21

Lla Fokker S.14 Machtrainer est un avion à réaction militaire biplace néerlandais conçu et fabriqué par Fokker pour l’armée de l’air royale néerlandaise. Le développement a commencé à la fin des années 1940. C’était l’un des premiers avions d’entraînement de chasse à réaction au monde, effectuant son premier vol le 19 mai 1951 et entrant en service en 1955.

Source: Fokker S.14 Machtrainer sur Wikipédia

Fokker S14 Machtrainer Walk Around
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General Characteristics and Role

The Fokker S.14 Machtrainer was a Dutch post-war two-seat side-by-side jet trainer aircraft developed by Fokker. It holds the distinction of being one of the first jet trainers in the world specifically designed and built for this role, rather than being a modified fighter. The name « Machtrainer » combines the Dutch word « macht » (power/might) and « trainer. » Its primary purpose was to transition pilots from piston-engined aircraft to the high speeds and handling characteristics of jet fighters, providing a safe and effective learning platform. The S.14 was designed with an intake in the nose and an exhaust centrally under the fuselage, featuring a robust, conventional landing gear and a side-by-side cockpit for optimal instructor-student interaction.

Property	Typical Value (S.14)
Rôle	Advanced Jet Trainer
National Origin	Pays-Bas
Fabricant	Fokker
First Flight	19 mai 1951
Crew	2 (Instructor and Student, side-by-side)
Length	13.3 m (43 ft 8 in)
Envergure	12.0 m (39 ft 4 in)
Height	4.7 m (15 ft 5 in)
Empty Weight	3,700 kg (8,157 lb)
Max Takeoff Weight	5,500 kg (12,125 lb)

Powerplant and Performance

Engine: 1 x Rolls-Royce Derwent 8 centrifugal-flow turbojet (early variants used the Derwent 5).
Thrust: 15.6 kN (3,500 lbf).
Maximum Speed: 730 km/h (454 mph; 394 kn) at 8,000 m (26,250 ft).
Range: 965 km (600 mi; 521 nmi).
Service Ceiling: 11,735 m (38,500 ft).
Key Feature: The Machtrainer provided jet performance sufficient to simulate contemporary fighter characteristics, crucial for transitioning student pilots.

Service and Legacy

Primary Operator: The Royal Netherlands Air Force (Koninklijke Luchtmacht, KLu) was the main user, employing 20 aircraft for pilot training.
Limited Export: While highly advanced for its time, the S.14 faced stiff competition from British and American jet trainers (like the T-33) and was not widely exported.
Contribution: It demonstrated that a dedicated, purpose-built trainer could offer superior instructional qualities compared to two-seat fighter conversions.
Retirement: The S.14 was retired from KLu service in 1967 after a long career, having been replaced by more modern jet trainers.