This is a 1:4 scale 174″ (4.416m) vintage sailplane model designed by Chris Williams for 5-function R/C and include airbrakes and tow release. Construction is all wood with a flying weight around 8.6kg (19 lb.) 4 large CAD drawn plan sheets are well detailed with the option of a clear canopy are availableWING SECTION: HQ35/14 centre-section to HQ35/12 tipsWING AREA: Approx. 14 sq. ft.WING LOADING: 20 oz./sq. ft.Aircraft wood packsPlease note an aircraft wood pack consists of the ribs and formers for the model. You will need to source additional strip wood and balsa from your local modelling materials supplier to complete the model. Check out our strip and sheet Balsa packs at sarikhobbies.com!