CubCrafters

CubCrafters

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07/09/2026

One of the biggest questions people have about the TP-R90 turbine engine is how it responds to throttle inputs. Here's what it actually looks and sounds like in the Carbon Cub ULT.

The regenerative, geared design and full FADEC control deliver an almost immediate response to throttle inputs. As power is added, torque builds quickly and predictably, giving the airplane the crisp, connected feel Cub pilots expect.

No drama. No chasing engine settings. Just smooth, intuitive power exactly when you ask for it. It's one of those things that's hard to appreciate on paper—but once you fly it, it makes perfect sense.

Photos from CubCrafters's post 07/08/2026

🚀 Meet the revolutionary regenerative turbine powering the Carbon Cub ULT.

Unlike a conventional turboprop that loses much of its heat energy through the exhaust, the TurboTech TP-R90 regenerative turbine uses a heat exchanger to recover that energy and put it back to work.

The result is an innovative approach that combines turbine smoothness, fuel efficiency and simplicity that helps redefine what’s possible for backcountry aviation. ✈️

This isn’t simply a new engine—it’s a new way of thinking about recreational backcountry aviation.

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