{"product_id":"bt-70-body-tube-19-5-in","title":"BT-70 Body Tube, 19.5 in.","description":"\u003cp\u003eTurn a student design sketch into a hands-on engineering project with the BT-70 Body Tube, 19.5 in. This spiral wound kraft glassine tube gives educators and youth leaders a practical component for custom rocket builds, competition preparation, and model repairs.\u003c\/p\u003e\n\n\u003ch3\u003ePut Measurement and Planning into Practice\u003c\/h3\u003e\n\u003cp\u003eWith a 19.5-inch length, 2.175-inch inside diameter, and 2.2147-inch outside diameter, this tube provides a concrete way to explore dimensions and component fit. Have students use these measurements to select compatible parts and explain their choices before assembly.\u003c\/p\u003e\n\n\u003ch3\u003eSupport Student Competition Teams\u003c\/h3\u003e\n\u003cp\u003eUse this BT-70 body tube as part of a scratch-built rocket or a team's next design revision. Students can plan around its full length or measure and cut a shorter section to meet their design needs. The same tube is also used in the 009922 Competition Rocket Starter Bundle.\u003c\/p\u003e\n\n\u003ch3\u003eKeep Your Athena H Projects Moving\u003c\/h3\u003e\n\u003cp\u003eThis tube is a replacement for the body tube in the 009725 Pro Series II™ Athena H. Keep one available for repairs so a damaged tube can become an opportunity to practice rebuilding, inspect component fit, and prepare the model for future flight.\u003c\/p\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":54406964904229,"sku":"031972","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/3594\/1925\/files\/031972-BT70-Body-Tube-19-5-Inch-3.png?v=1793992488","url":"https:\/\/edu.estesrockets.com\/products\/bt-70-body-tube-19-5-in","provider":"Estes Education","version":"1.0","type":"link"}