It is custom compressor wheel on the right picture,designed according to aerodynamics.
OTS provides custom service for billet compresor wheel impeller. We partner with professional and experienced turbomachinery engineers and CAD designers,we can deliver one stop service of design, engineering and manufacturing.
If you want us to custom a compressor wheel for you, a sample or 3D drawing is required. Or some clients may ask us to design the compressor wheel, then th design specification (flow/pressure/speed) or a benchmark impeller is need.