Spitfire Mk Ia – Currently modelled with Merlin III engine (1310 Horsepower)
Spitfire Mk IIa / IIb – Currently modelled with Merlin XII engine (1280 Horsepower)
Spitfire Vb / Vb trop – Currently modelled with Merlin 45 engine (1515 Horsepower)
Spitfire Vc / Vc trop – Currently modelled with Merlin 45M engine (1585 Horsepower)
Spitfire F Mk IX / IXc – Currently modelled with Merlin 61 engine (1565 Horsepower)
Spitfire LF XVI – Currently modelled with Merlin 266 engine (1710 Horsepower)
Spitfire LF IX – Currently modelled with Merlin 66 , 25 PSI engine (2000 Horsepower)
Spitfire F Mk XIVe / XVIIIe – Currently modelled with Griffon 65 engine (2060 Horsepower)
Spitfire F MK 22 – Currently modelled with Griffon 61engine, 18 PSI (2060 Horsepower)
Spitfire F Mk 24 – Currently modelled with Griffon 61 engine, 21 PSI (2300 Horsepower)
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Changes I would like to see
Spitfire Mk I – Merlin III to Merlin II (1310 → 1030 Horsepower)
In War Thunder Spitfire Mk I / IIa have same BR of 3.0, and you could say the Mk I is currently better.
Peronally id prefer the non late Mk I version with Merlin II engine which would be lower battle rating
Spitfire Mk IIa / IIb
Fine as they are now
Spitfire Vb / Vb trop
Fine as they are now
Spitfire Vc / Vc trop
Fine as they are now
Spitfire F Mk IX / IXc
Fine as they are now
Spitfire LF IX – Merlin 66 , 25 PSI → 18 PSI (2000 Horsepower —> 1750 Horsepower)
Tbh i always found it silly to have another spitfire with same cabilities as griffon powered ones and 25 PSI was above the standard regime for the Mk IX
Spitfire LF XVI
Fine as it is
Spitfire F Mk XIVe / XVIIIe
Fine as they are
Spitfire Mk 22 – Make 2 versions of it, main tree and premium
One would operate at +18 PSI which was standard (2060 Horsepower)
The other would operate at +21 PSI which was less common, reducing engine life (2300 Horsepower)
Spitfire Mk 24
Its just heavier Mk22 with bigger fuel tank capacity and since its post war, not Enlisted material
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Battle Rating and Armament for Enlisted
Spitfire Mk I – BR I
2x 40lb bombs
Spitfire Mk IIa & IIb – BR II
2x 250lb bombs
Spitfire Vb / Vb trop – BR III
2x 250lb bomb
Spitfire Vc / Vc trop – BR III
2x RP-3 rockets
Spitfire F Mk IX – BR III
2x 250lb lb bombs
Spitfire F Mk IXc – BR III
2x RP-3 rockets
Spitfire LF Mk IX – BR IV
1x 500lb bomb
Spitfire LF MK XVI – BR IV
1x 500lb bomb
Spitfire F Mk XIVe – BR V
1x 500lb bomb
Spitfire F Mk XVIIIe – BR V
8x RP-3 rockets
Spitfire Mk 22 / early (+18 PSI) – BR V
6x RP-3 rockets + 1x 500lb bomb
Spitfire Mk 22 / late (+21 PSI) – BR V
3x 500lb bombs