Rotax Aircraft Engines

Rotax four stroke aircraft engines have proven themselves as reliable engines. They can be bought as experimental (UL) or certified (A and F) engine and there are three main models to date. The original engine is the 80 Hp 912, from which the 100 Hp 912S was developed and they also have a 115 Hp turbocharged 914 engine.

Recognizing the different models is easy: the 912 has black cylinder covers, the 912S green/blue (blue for the french market) and the 914 has red covers and a turbo. These are the most obvious differences.

Technical data on the Rotax engines can be found in these pdf files: Rotax 912 UL/A/F, Rotax 912 ULS/ULSFR/S and the Rotax 914 UL/F.

Bombardier Rotax 914

914 UL / F Specifications.