Schematic of a counter-rotating fan. | Download Scientific Diagram
Electronic fan - Counter Rotating Fan - SANYO DENKI EUROPE - axial / ventilation / high-pressure
SANYO DENKI Develops 60 × 60 × 76 mm Long Life Counter Rotating Fan With the Highest Static Pressure in the Industry | Electronics Cooling
Counter rotating fan mod with Artic and scythe fan on wraith prism 26.5c ambient max temp 30 mins of r23 66.7c pbo disabled. On stock prism it was 73c max rpm with
Design of a two spool contra-rotating turbine for a turbo-fan engine - ScienceDirect
IJTPP | Free Full-Text | A Review of New Experimental Technologies for the Development of Advanced Fans with High Bypass Ratio
Experimental and numerical studies on small contra-rotating electrical ducted fan engines | SpringerLink