[2] John Sproule adapted the wings from a BAC VII to fit onto the T.7 Kirby Kadet fuselage.

The higher-aspect ratio wings gave a measurable increase in performance for minimum cost.

Gliding clubs could also elect to buy the wings alone and fit them to Kirby Kadet fuselages as required.

[3] The T.8 Tutor was also produced for use by the Air Training Corps, being renamed Slingsby T.8 Cadet TX Mk.2.

[5] The interchangeability of the components led to many hybrid aircraft having wings and fuselages of all types mixed together.