Would it work to have a jackscrew drive the bed aft, up a ramp before it hits a wall that starts the tipping motion?
Maybe something like this hinge?
https://m.youtube.com/watch?v=-McV-N...e=emb_imp_woyt
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Jerry, i think the guy doing the lowrider truck thing might have been a PM instead.
"Fabkingz KustomModels" has some really good build vids on youtube, but more active on Instagram.
"Jevries" usually shows off completed stuff rather than much of the building part.
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It was a Fabkingz video
https://youtu.be/yvvR_Y7GUC0