This is a 1:6 sports-scale 37” electric biplane for 1000KV brushless outrunners and 4-function R/C that has been modelled by Roger Vaughan. Construction is mainly balsa and ply from the well detailed CAD drawn plans. Weighing around 38 oz. (1064 g), the performance is adequate with the recommended powertrain and is capable of basic aerobatics.Although not for the beginner, a radio-control flyer who has built a few models from plans should have little difficulty with this one. WING LOADING: 15.2 oz./sq. ft.WING AREA: 360 sq. in.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!