The curved belly shape of the fuselage indicates the projected weapons bay. This leads to some exciting stringer shapes.  Again: draw the curve on the

The center fuselage section carries two seriously dimensioned bulkheads. They will be attached to the main wing  spars and transfer the wing forces to the

The first 8 bulkheads are in position. The main longerons fit nicely into the slots. Rear bulkheads still to come.

Both main longerons are assembled and ready for installation.

The main longerons are each built from three sections. The rear sections again are split into an upper and a lower beam. Every section must

How much longer ’til they come up with a Mustang pickup?! 🤣

The shape of a fuselage comes into view.The #5 bulkhead will be carrying the nose landing gear loads and is therefore built considerably stronger than

Production is running in high gear. Three bulkheads plus two stringers are finished. All nicely arranged (upside down) in a jig in which the complete

The front bulkhead and the two longeron front sections fit perfectly. The bulkhead was cut out on the ingenious table mill of a friend. Filing

Exceptional aircraft, exceptional bulkheads. They are built in layers of segmented thin spruce sheets arranged in a circle. Topped off by plywood on both sides,