By Brian Peckham. Light scale – 57ins span – for 4-strokes 0.35-0.40.Designed specifically for light scale, Brian Peckham’s model of the delightful low wing sport aircraft of the ’30s is ideal for the medium size 4 stroke motor. 0.35-0.40. 57in. Four function. Please note that all plans are printed to order and as such we are unable to accept returns.