BT-50 to BT-20 Boat Tail / Tail Cone
Description
This is a 3D model of a boat tail / tail cone for rockets meant to fit BT-50 airframe tubing. This is modeled closely for the Estes Sprint (kit# K-49/#1249). There are three versions - one that is plain and two with a tunnel to allow for a motor retainer clip. 21FEB2021 A fourth version was added to the list of files to download. 27FEB2021 After doing some test prints I found there were problems with the basic design. As a result, I redesigned them and add three more versions. If you are looking for a tail cone for the Estes Sprint XL (kit# 7224) or need one that fits BT-60 airframe tubing, check this 3d model I created. https://www.thingiverse.com/thing:4031312 The Estes Sprint info on the JimZ website. http://www.spacemodeling.org/jimz/estes/k-49.pdf
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