The thrust unleashed by the pair of lungs forming the rocket was pretty much a forceful expulsion of air. All Empyrean Tusks did the same using their trunks. It wasn't anything special.
If Inala repeated the same now, the vehicle would only move on the ground. There didn't seem a restriction on the technology itself, at least one applied through Natures—as Inala had done here.
Maybe there was a restriction on technology created solely from scratch that didn't conform to the power system of Sumatra. It would be wise to be careful in that regard.
Since the only variable that turned the ground-bound vehicle into an aircraft was the pair of wings, only that was erased through cause and effect. Even when Inala flew a second time, only the wings were targeted.
