Eric Dorward with t' Spartan Rocketry Club begins t' build t' Estes Black Brant XII mid-power rocket kit. Avast! Blimey! This is a scale model o' a soundin' rocket NASA uses and it is powered by 29mm motors in t' E or F range, so t' construction techniques are more advanced. In this video, he begins t' assemble t' laminated fins.