What degree pitch is the fan blade on Penta Fanpack?

What degree pitch is the fan blade on Penta Fanpack?

Unada Penta pack is approx. 26 degree pitch. 

However, we shouldn't get to hooked on this when comparing metal blade to plastic blade is like comparing an axe to a wood splitter.

The PENTA blade geometry is aerofoil with a complex surface area so pitch is only one aspect of air delivery. To help in your understanding speed for speed Penta is closer in approximation to a 37 degree steel blade. See enclosed to learn more.

Penta delivers this same airflow for 2 to 3W less power (15 to 20% saving)

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