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Supermarine Spitfire I
(early)
Spitfire I: original production
model with 1,030-hp (768-kW) Merlin II, eight Browning 0.303-in
(7.7-mm) guns (at first four not fitted because of short supply) or
(Mk IB) two 20-mm and four 0.303-in (7.7mm) guns (total
1,566)
Supermarine Spitfire IIA
Spitfire II: Castle Bromwich
aircraft with small changes and 1,175-hp (877-kW) Merlin XII (total
750 IIA and 170 IIB)
Supermarine Spitfire III
Spitfire III: experimental
prototype (1 only) with 1,280-hp (955-kW) Merlin XX
Supermarine Spitfire VB
Spitfire IV: Griffon prototype;
same mark number used for 229 PR versions of Mk V
Spitfire V: strengthened fuselage
for 1,440-hp (1074-kW) Merlin 45 or 1,470-hp (1097-kW) Merlin 50;
drop tank and bomb provisions; For LF span; 'A', 'B' or 'C'
armament (total 94 Mk VA, 3,923 Mk VB and 2,447 Mk VC)
Supermarine Spitfire HF.VI
Spitfire VI: high-altitude
interceptor with 1,415-hp (1056-kW) Merlin 47, pressurized cockpit
and HF 40ft 2in (12.24m pointed wings (total 100)
Supermarine Spitfire HF.VII
Spitfire VII: high-altitude
interceptor with two-stage Merlin 61,64 or 71, pressurized cockpit,
retractable tailwheel, often broad pointed rudder (total 140)
Supermarine Spitfire VIII
Spitfire VIII: definitive fighter
with two-stage Merlin 61,63,66 or 70; unpressurized; LF, F or HF
wings (total 1,658)
Supermarine Spitfire IXC
Spitfire IX: temporary stop-gap
marriage of two-stage Merlin 61,63,66 or 70 with Mk V airframe; LF,
F or HF wings; 'B','C' or 'E' armaments (total 5,665)
Supermarine Spitfire XII
Spitfire X: pressurized version
of PR.XI; Merlin 77; one example with HF wing (total 16)
Spitfire XI: unamed reconnaisance
aircraft; Merlin 61,63 or 70 (total 471)
Spitfire XII: low-level
interceptor; single-stage Griffon II or IV of 1,735-hp (1294-kW);
LF wing; 'B' guns (total 100)
Supermarine Spitfire XIVE
Spitfire XIII: low-level PR
aircraft based on Mk V but with Merlin 32 (three-blade propeller,
of DH type unlike other late Spitfires); four 0.303-in (7.7-mm)
guns only (total 18)
Spitfire XIV: driving five-blade
propeller and redesigned and strengthened airframe with symmetric
deep radiators, broad tail and often teardrop canopy; F or LF span;
'C' or 'E' guns (total 957)
Supermarine Spitfire LF.XVI
Spitfire XVI: Mk IX with Packard
Merlin 266; F or LF span; usually 'C' or 'E' guns; many with
teardrop canopy (total 1,054)
Supermarine Spitfire XVIII
Spitfire XVIII: definitive
fighter with two-stage Griffon; F span; 'E' guns; teardrop canopy
and extra wing fuel; FR.XVIII (postwar FR.18) with rear-fuselage
reconnaissance camera (total 300)
Supermarine Spitfire 21
Spitfire XIX: unamed PR version;
two-stage Griffon; most pressuraized (total 225)
Spitfire XX: single prototype
rebuilt from Mk IV and prototype Mk XII
Spitfire 21: redesigned airframe; mainly Griffon 61 or 64 driving
five-blade propeller; four 20-mm guns (total 122)
Supermarine Spitfire 22
Spitfire 22: minor changes; some
with 2,375-hp (1772-kW) Griffon 85 and contraprop (total 278)
Spitfire 24: minor changes;
Spiteful tail; short-barrel Mk V cannon (total 54)
Seafire IB: navalized Spitfire VB
(total 166)
Seafire IIC: catapult hooks and
strengthened landing gear; Merlin 32 and four-blade propeller
(total 372)
Seafire III: double-folding wing,
1,585-hp (1182-kW) Merlin 55M (total 1,220)
Seafire XV: single-stage 1,850-hp
(1380-kW Griffon VI and asymmetric radiators as Spitfire XII; most
with sting hook; late production teardrop canopy (total 390)
Seafire XVII or 17: as Seafire XV
with teardrop canopy; often strengthened landing gear; some (FR.17)
with camera in place of rear tank (total 232)
Seafire 45: same new airframe as
Spitfire 21; non-folding wing; Griffon 61 (five-blade) or 85
(contaprop) (total 50)
Seafire 46: as Seafire 45;
teardrop canopy; FR.46 with rear-fuselage camera; late production
Spiteful tail (total 24)
Seafire 47: folding wing (most
hydraulic); 2,375-hp (1772-kW) Griffon 87 or 88 with contraprop and
carburettor air inlet just below spinner; increased fuel; late
production all FR type with camera (total 140)
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