Willoughby Delta 8

Delta 8
Willoughby Delta, 1939
Role Aerodynamic test aircraft
National origin United Kingdom
Manufacturer Willoughby Delta Company
Designer Percival Willoughby
First flight 11 March 1939
Number built 1

The Willoughby Delta 8, or Delta F was a small twin-engined aerodynamic test bed for a proposed flying wing airliner - the Delta 9. The Delta 8 flew in the United Kingdom for a few months during 1939 before crashing; there were no developments.