# Calculating resistance from fan?

How would I go about calculating the air resistance given the angle of the blades, the shape, dimension, angular velocity and any other details that may be necessary?

I want to find out roughly how many Nm of torque I would need at certain speeds to maintain.

### 1 Answer

Relevance

- billrussell42Lv 77 days ago
not a simple problem. You need the right software to simulate it, or a wind tunnel.

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