Create Aeronautics: Portable Engine Overdrive

Vehicles often need more thrust than one Portable Engine provides, and stacking several engines makes a build larger. This mod lets one engine run in an overdriven state that draws more fuel and produces more output, so a smaller vehicle can carry the same power. The extra output comes with a higher fuel cost, which keeps the trade-off in place. Installation needs NeoForge for 1.21.1, and the environment is client and server. Files for 1.21.1 are published under the MIT License, and the mod is not open source in the strict sense of an OSI-listed project under this release.