Redesigned turbine wheel. Capable to sustain rpm up to 140000 rpm. Modified to 4-6+ [daN] Recommended compressor wheel KKK K24 5324-123-2017 or CZ 1470B for 6+ design. Due lack of spare time 6+ design was terminated and documentation and CAD models are stored - for rev. A2. Only current A1 revision will be maintained and supported.