Wirbelwind
Airman
- 99
- Sep 8, 2009
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Looks like the vents are there, aft of the filler cap.
It was later modification for late Spitfires as memo serves. So the Mk.I should have the pair of holes there. At least the layout can be found in many other shots of the Spit variant. Unfortunately none of the existed images of crashed N3200 allows to see the number of cutouts and get it for sure. Because the flying plane was restored almost from scratch it is possible it could have had the later fuel tank installed.
- All Spitfires (at least Mk.I to Mk.IX) had two cutouts aft of the filler cap.
- Early Mk.I Spitfires with two separate fuel tanks had two cutouts aft of the filler cap, and two vents (one in each cutout) read the description of vent pipes in the post above, the outlets are not on the top surface of upper tank. I coloured in red the vent pipes.
- Later Mk.I Spitfires with combined fuel tanks also had two cutouts aft of the filler cap, but only a single ventNo, it's not vent hole but a bonding socket
the only technical drawing(Mk I & II) of cowling fuel tank show two holes after the filler hole, so it could be used with any type tank