Humpback Fan - 110mm Noctua mod
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Made for https://www.youtube.com/@MajorHardware Major Hardware Fan Showdown
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Made for https://www.youtube.com/@MajorHardware
Major Hardware Fan Showdown
Inspired by Nature:
The Humpback Whale is one of few animals that use bumps on their skin called Tubercles. They are vortex generators for the whale. The tubercles increase their fins efficiency and maneuverability.
This is like having a 110mm 6 bladed airflow fan mated with a 90mm 12 bladed static pressure fan.
I was trying to make static pressure in near the hub and more airflow out by the frame. The airfoil is 15 degrees angle of attack at the hub, and 25 deg at the frame. The wings are twisted.
Six of the blades are short to make more flow near the hub (12 blades) and to let more air hit the outside, 25 deg part of the wing.
I made an angled endplate fin under the wing tip to push more air to the center hub.
I put some trailing edge 1/2 holes to get more air between blades. 12 blade spacing is tight.
Revision v2 - increased gap between blades