Formerly my time spent was finding a subject aircraft to model this aircraft after. I decided on a Mk IX with U.S. markings as seen in the photo below and was gathering information when I made a baffling discovery concerning the wing panel outlines, so I went to reading a lot of Spitfire information and over educated myself on various models and their airframe differences which led to more research.
Comp ARFβs advertisement states: βCARF Models has decided to pick up an old βFiberClassicsβ project and revive a kit which was already designed and built in 1993, resembling a Mark V at this time. Modifications and refinements made the kit a state-of-the-art all composite Mk IX, matching precision, prefabrication and completeness with our newest creations like the CARF F4U-1D Corsair.β
βThe CARF-Models Spitfire Mk IX features a lot of design details which make building and flying enjoyable and successful:β
Now with all of that said I discovered it would be hard to model this kit after a Mk IX, or for that matter a Mk V due to the wing panel line requirements for those model Spitfires.
Here is why; the Mk I and early Mk II Spitfires used the (a) wing. These wings housed four .303 machine guns in each wing. If you look at the upper wing panels of the CARF Spitfire you will see the 4 machine gun bays per the (a) model wing design.
Once the (b) wing was introduced these panel lines changed. Later even the later Mk II Spitfires incorporated the (b) wing due to the addition of the two 20mm cannons and this change required a raised blister over each cannon which necessitated modifications to the wing access panels. See (a) and (b) wing drawings below
Due to this discovery I decided to look for a Mk I subject aircraft. Not that it really matters because I do not compete and my flying skills out perform my building skills; and that is not saying much, but I just wanted to challenge myself on this project.
Also you will see in flyingchefβs CARF Spitfire photo he modified the wing top service by adding the cannons and blisters. Now there is the sign of a master builder. See Photo