Fokker S.14 Machtrainer

Infobox Aircraft
name = S.14 Machtrainer
type = Jet Trainer
manufacturer = Fokker

---

caption =Machtrainer L-17 (s/n 7362)
designer =
first flight = May 19th, 1951
introduced = 1955
retired = 1967
status =
primary user = Royal Netherlands Air Force
more users =
produced =
number built = 21
unit cost =
variants with their own articles =

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 May 19th, 1951 and entering service in 1955. [ http://www.letletlet-warplanes.com/2008/06/15/fokker-s-14-machtrainer/ LetLetLet Fokker S.14 ]

The American aircraft manufacturer Fairchild, which later also built the Fokker Friendship under license, hoped to win an order for the aircraft from the United States Air Force, but this did not happen. Though several other countries also tested the aircraft, orders did not materialize.

The Royal Netherlands Air Force ordered the S-14 Machtrainer, with 20 aircraft being built and going on to serve for over a decade. [ http://www.letletlet-warplanes.com/2008/06/15/fokker-s-14-machtrainer/ LetLetLet Fokker S.14 ] The K-1 prototype was used as demonstrator by Fokker, giving a total of 21 S.14 produced.

Of the original production, 2 were lost in accidents and most of the rest were scrapped in the years that followed. Three still exist today including the orignal prototype (K-1, PH-XIV), which is located at the Aviodrome museum on Lelystad Airport by 2008. The production aircraft L-11 is preserved at the Royal Netherlands Air Force museum in Soesterberg. L-17 is undergoing renovation. There was a fourth, L-18, which had sat by a gate entrance at the Fokker works at Ypenburg, but it was scrapped in 1994 when it was closed. [ http://www.letletlet-warplanes.com/2008/06/15/fokker-s-14-machtrainer/ LetLetLet Fokker S.14 ]

Design

The jet engine air inlet is located on the nose of the aircraft. The wing design and size allowed for the aircraft to land at much lower speeds than most jet aircraft at the time.

Because its main role was to train pilots, the two seats in the cockpit were placed next to each other which gave it a fairly wide fuselage. For training purposes it could also carry four 11.4 kg (25 lb) practice bombs.

Engines

The K-1 protoype was tested with the Rolls Royce Derwent V. [ http://www.scramble.nl/wiki/index.php?title=Fokker_S-14 Scramble Fokker S-14]

The S.14 entered service with the KLu with the Rolls-Royce Derwent 8 (license produced by FN Herstal in the 1950s), which despite its name was based on a scaled down Rolls Royce Nene and not on earlier Derwents. It was a centrifugal flow design with 9 combustion chambers and a 1 stage turbine, with air flow rate of 62.84 lbs (28.50 kg/sec) delivering a peak thrust of 1630 kp at 14,700.0 r.p.m. [ http://www.luftfahrtmuseum.com/htmi/itf/rrderw8.htm ]

Operators

;NLD: Royal Netherlands Air Force

pecifications (S-14)

aircraft specifications
plane or copter?=plane
jet or prop?=jet
ref=
crew=Two
capacity=
payload main=
payload alt=
length main= 13.30 m
length alt= 43 ft 6½ in
span main= 12.0 m
span alt= 39 ft 4½ in
height main=
height alt=
area main= 31.80 m²
area alt= 342.3 ft²
airfoil=
empty weight main= 3,765 kg
empty weight alt= 8,300 lb
loaded weight main=
loaded weight alt=
useful load main=
useful load alt=
max takeoff weight main=
max takeoff weight alt=
more general=
engine (jet)=Rolls Royce Derwent 8
type of jet= turbojet
number of jets=1
thrust main= 1630 kp [ http://www.luftfahrtmuseum.com/htmi/itf/rrderw8.htm]
thrust alt=
thrust original=
afterburning thrust main=
afterburning thrust alt=
max speed main=387 knots
max speed alt= 716 km/h / 445 mph
cruise speed main=
cruise speed alt=
stall speed main=
stall speed alt=
never exceed speed main=
never exceed speed alt=
range main= 486 nm
range alt=900 km / 559 mi
ceiling main= 11,125 m
ceiling alt= 36,500 ft
climb rate main=
climb rate alt=
loading main=
loading alt=
thrust/weight=
power/mass main=
power/mass alt=
more performance=
armament=
* 4 × 11.4 kg (25 lb) dummy practice bombs
avionics=

References

Further Reading

Futher reading based on LetLetLet refernces. [ http://www.letletlet-warplanes.com/2008/06/15/fokker-s-14-machtrainer/ LetLetLet Fokker S.14 ]

*Hugo Hooftman, Van Brik tot Starfighter Part 2. In de schietstoel, La Rivière & Voorhoeve - the Netherlands (1962)
*Arno Marchand, ‘De Plank’ , De Vliegende Hollander, Jan. 2007, 10-11
*Wim Schoenmaker, De Fokker S-14 Machtrainer, Maandblad Luchtvaart No. 6 (June 1988), 182-187
*Lt. Col. C. Sipkes et al., Ervaringen van de Koninklijke Luchtmacht met de Fokker-vliegtuigen S-11 en S-14, Report Koninklijke Luchtmacht 20 November 1958

ee also

aircontent
related=

similar aircraft=
*Cessna Dragonfly
*Fouga Magister
*Lockheed T-33

External links

* [http://www.letletlet-warplanes.com/2008/06/15/fokker-s-14-machtrainer/ LetLetLet Fokker S.14 article published June 2008]
* [http://www.scramble.nl/wiki/index.php?title=Fokker_S-14 Data at scramble.nl Wiki]
* [http://www.mech.kuleuven.be/tme/museum/engines/jet/ Rolls Royce Derwent 8 picture]
* [http://www.luftfahrtmuseum.com/htmi/itf/rrderw8.htm Rolls Royce Derwent 8 specifications]
* [http://aircraftwalkaround.hobbyvista.com/machtrainer2/machtrainer2.htm Gallery of a photo walk around of museum S14]
* [http://www.jetphotos.net/showphotos.php?aircraft=Fokker%20S.14%20Machtrainer Gallery of preserved S.14 at aviation museeums]
* [http://www.aviation-top-pics.com/Aviodome%20move%20page%204.htm Aviodome S.14 prototype images] ]
* [http://www.airliners.net/search/photo.search?aircraft_genericsearch=Fokker%20S-14%20Machtrainer&distinct_entry=true Gallery of various S.14 outside]

sequence=

lists=

see also=