I found a website that shows the disassembly process of Imperator, Xcalibur's younger sister. The pictures were spread across multiple pages which is why there are multiple links.These pictures really show how massive these rides are.
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Fourth
Speaking of Excalibur, I found a video of Excalibur from its days as traveling fair ride. The video was shot in 1994 in Germany.
[youtu_be]https://youtu.be/CQPJjCoe-kU[/youtu_be]