Getting Real About the Rotax 912 Weight

If you're knee-deep in a kit plane project or just browsing the used market for a light-sport aircraft, the rotax 912 weight is likely one of those specs you've got bookmarked or scribbled on a sticky note. It's the engine that basically redefined what a modern light aircraft looks like, and a huge part of that success comes down to how much—or how little—it actually weighs. But as anyone who's ever stood on a hangar scale knows, "weight" can be a bit of a slippery term depending on who's asking and what's actually bolted to the engine at the time. ...

May 16, 2026 · 7 min · Atilano Jylkka