BT-70 Body Tube, 24 in.

Give students a chance to move from following a rocket design to developing one of their own with the BT-70 Body Tube, 24 in. This spiral wound Kraft glassine tube is a useful starting point for scratch builds, engineering activities, and student rocketry competition projects.

Bring Measurement and Planning to Life

A custom rocket gives students a practical reason to measure carefully and plan before assembling. The 24-inch tube can be used at full length or cut to suit a design, helping teams connect their drawings and calculations to a physical build.

Make Component Selection Part of the Lesson

With an inside diameter of 2.175 inches and an outside diameter of 2.2147 inches, the BT-70 Body Tube provides clear dimensions for evaluating component fit. Have students use these measurements to identify suitable nose cones, couplers, and centering rings while explaining the reasoning behind their choices.

Support Your Team's Next Design

Used in the Pro Series II Parts Assortment, this body tube fits naturally into programs exploring custom rocket construction. Whether your group is preparing a competition entry or developing a classroom prototype, it gives students room to turn a shared idea into something they can build, evaluate, and refine.