This is a 920mm span sleek and sporty V-tail model designed by John Rutter for 4-function R/C using ‘ruddervators’ and constructed from the detailed plan sheets traditional using all wood methods, and suits any 0.15 cu.in. 2-stroke engine and 4-function R/C.WING AREA: 240 sq. in.WING LOADING: 13 oz. /sq. ft.Please 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!