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Spitfire Mk.IX

Fighter

Supermarine

Spitfire Mk 8 CR-C is that of Squadron Leader Clive Robert Caldwell from RAAF No.80 (Fighter) Wing based at Darwin. The Wing was equipped with the Mk 8 in 1944 and Clive Caldwell was Australia's greatest ACE with 28.5 Victories as seen on the side of the Spitfire. © Michael Bykov

Spitfire Mk 8 CR-C is that of Squadron Leader Clive Robert Caldwell from RAAF No.80 (Fighter) Wing based at Darwin. The Wing was equipped with the Mk 8 in 1944 and Clive Caldwell was Australia's greatest ACE with 28.5 Victories as seen on the side of the Spitfire.

Supermarine Spitfire IX: Fourth major production fighter variant (Supermarine Type 361), combining Mk VC airframe with two-stage two-speed Merlin 60 series engine but lacking other improvements designed for (later) Supermarine Spitfire VIII. Early Merlin 60 and 61 flight-tested in Supermarine Spitfire III (from August 19, 1941) and a Supermarine Spitfire IA, followed by conversion by Rolls-Royce of two Mk VCs to Mk IX prototypes with Merlin 61s early-1942. Further 282 conversions of Mk V airframes by Rolls-Royce; production totals 5,095 by CBAF and 561 by Supermarine. Service use began June 1942 in No 64 Sqn. Early standard aircraft had 'C' wing armament, standard wing span, Merlin 61 and provision for wing and fuselage bomb racks. Later, designations used to differentiate altitude rating of engine: Supermarine Spitfire LF Mk IX with Merlin 66, Supermarine Spitfire F Mk IX with Merlin 61 or 63 and Supermarine Spitfire HF Mk IX with Merlin 70. Broad-chord, pointed-tip rudder became standard later, as did compact Aero-Vee tropical filter. Late-production CBAF Mk IXs had cut-down rear fuselage with 360-deg vision canopy, and Supermarine Spitfire IXE designation (with LF, F or HF prefix) indicated new wing armament of two 20-mm cannon and two 0.50-in (12.7-mm) machine guns. More than 50 RAF and Commonwealth squadrons flew Supermarine Spitfire IXs, primarily in European theatre, and 1,188 Mk IXs were supplied to the Soviet Union in 1943-44; at least one Mk IX was modified in Russia to two-seat training configuration. A small number of Supermarine Spitfire IXs supplemented Mk Vs in USAAF service in Twelfth Air Force.

Supermarine Spitfire XVI: CBAF production of 1,054 Supermarine Spitfires similar to LF Mk IX but with US Packard-built Merlin 226 engine. Initially with 'C' wing armament, later with 'E' wing, broad-chord rudder and cut-down rear fuselage, most operated with clipped wings and all designated Supermarine Spitfire LF Mk XVI regardless of configuration. Deliveries began October 1944 and service use from November onwards, particularly by four RAF squadrons attacking V-2 sites with bombs.

Supermarine Spitfire IX
Crew 1
Dimensions
Wing span 36 ft 10 in (11.23 m) or 32 ft 9 in (9.80 m)
Length 31 ft 1 in (9.47 m)
Wing area 242 sq ft (22.48 m²)
Powerplant
Rolls-Royce Merlin 66, hp 1575
Weight
Empty weight 5,634 lb (2,556 kg)
Max takeoff weight 9,500 lb (4,309 kg)
Performance
Max speed at 25,000ft (7,620 m) 408 mph (657 km/h)
Initial climb 3,950 ft/min (20.1 m/sec)
Time to 20,000ft (6,100 m) 5.7 min
Service ceiling 43,000 ft (13,106 m)
Range, internal fuel 434 mis (698 km)
Armament
2X20-mm cannon and 2 X 12.7-mm machine guns in the wing 2+2

References

  • "Encyclopedia of military engineering" /Aerospace Publising/
  • "British warplanes of World War II" /under cor. Daniel March/

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