{"product_id":"bt-70-to-bt-80-body-tube-adapter","title":"BT-70 to BT-80 Body Tube Adapter","description":"\u003cp\u003eGive student teams more room to explore original rocket designs with the Estes BT-70 to BT-80 Body Tube Adapter. By connecting two different body tube sizes, this component helps learners move from a design sketch to a physical model with a smooth transition between sections.\u003c\/p\u003e\n\n\u003ch3\u003eMake Component Selection Part of the Lesson\u003c\/h3\u003e\n\u003cp\u003eChoosing parts that work together is an important step in any engineering project. This adapter gives students a concrete way to explore how tube sizes, shoulder dimensions, and overall length influence their design choices.\u003c\/p\u003e\n\n\u003ch3\u003ePlan with Specific Measurements\u003c\/h3\u003e\n\u003cp\u003eThe adapter measures 6.29 inches long and features a BT-70 shoulder outside diameter of 2.17 inches and a BT-80 shoulder outside diameter of 2.55 inches. Have teams use these dimensions to identify matching body tubes and document their component choices before assembly.\u003c\/p\u003e\n\n\u003ch3\u003eSupport Custom Builds and Replacement Needs\u003c\/h3\u003e\n\u003cp\u003eThis adapter is used in the ARC Parts - Centering Rings and Parachute Bundle, Competition Rocket Starter Bundle, and Pro Series II™ Parts Assortment. Add it to your program's building supplies for original student projects or use it as a replacement part when a compatible rocket needs rebuilding.\u003c\/p\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":54405598544165,"sku":"030109","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/3594\/1925\/files\/030109-BT70-BT80-Body-Tube-Adapter.png?v=1793976774","url":"https:\/\/edu.estesrockets.com\/products\/bt-70-to-bt-80-body-tube-adapter","provider":"Estes Education","version":"1.0","type":"link"}