8a. 8b. 8c.

NACA 0012, 32% flap. NACA 0015 +11% ‘stretch’. NACA 63₂-015

Span 627mm Span 629mm Span 787mm

Area 0.1036 sq.m. Area 0.1155 sq.m. Area 01374sq.m.

AR 3.8 AR 3.42 AR 4.5

Figure 8. Evolution of Calliope’s lifting foils.