After the tube dried, I beveled the inside edge of the slide ‘fingers’ so the edge of the tube wouldn’t catch when being slid into the slide onto the stop. Then I used JB weld to join the tube to the plastic slide assembly. The next repair was a wrap of silver tape around the slide to reinforce the retainer ring that is soft after being in the elements. The last picture shows the completed rocket after the other end of the replacement tube was joined to the original red coupler with Titebond III.

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