Diameter: 3.90 m, Structure: Skin-stringer,
Material: Aluminium
Diameter: 4.10 m, Structure: Honeycomb sandwich, Material: Graphite-epoxy
face sheets over aluminium honeycomb
Diameter: 4.10 m, Structure: Monoque sandwich; Material: Composite.
Conical base (2.10 m) Aluminium ?
Diameter: 4.10 m, Structure: Monoque sandwich; Material: Composite.
Conical base (2.40 m) Aluminium ?
