last photo shows more damage to the bulkhead lip so out with the cutting disks and shaping hammer to fix it. Somehow lost the photo of the infill panel with curved flange, Learning so much about metal shaping, and proving I Still know so little.

And Santa came again! so much longer and bigger than in photos

will probably mount the filter elsewhere, probably before the surge tank

and started filling those little holes.
and went to the recycling yard...56 Kg of steel recycled, bar the falcon compressor most of it from the Mk1 and leftover bits from the Mk2 Bulkhead! yikes! And the shop Vac is full of grindings and paint, another 10 kg's there.