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Transition for BT-70 and BT-80

Price: $19.00
  In Stock 25

BT-70 to BT-80 Rocket Transition

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Product ID RST-7080
Date Added
10/27/2026
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BT-70 to BT-80 Rocket Transition

Build your next competition rocket with our BT-70 to BT-80 Transition, designed to connect two different body tube diameters for a smooth, streamlined rocket design.

Ideal for American Rocketry Challenge (ARC) teams, STEM education programs, and model rocket builders, this bright orange transition makes it easy to incorporate BT-70 and BT-80 body tubes into custom rocket designs.

Features:

  • Transition is designed to work equally well in either direction--large end forward or small end forward.
  • Connects BT-70 and BT-80 model rocket body tubes
  • Bright orange color for easy visibility
  • Smooth tapered design
  • Ideal for custom model rocket construction
  • Great for ARC teams, STEM classrooms, and hobby rocketry projects

Whether you're building a competition rocket, experimenting with different body tube configurations, or developing your next STEM project, this BT-70 to BT-80 transition is a useful addition to your rocket-building supplies.

Unique and sturdy ABS transition includes quick and easy threaded access to an internal altimeter bay or egg holder.  This transition connects BT-70 and BT-80 tubes, and can be oriented large end or small end forward.

The transition comes in 3 parts: the small end shoulder, the transition, and the large end shoulder. To assemble, select the flat bulkhead or the shock cord mount bulkhead for each end, secure the bulkheads in each end, and thread the shoulders to the transition.


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