3 ms·
No. Heavier blades would make them accelerate slower, but once up to speed the weight would make no difference. Thin blades can be less aerodynamically efficie
by perilunar 6y ago
No. Heavier blades would make them accelerate slower, but once up to speed the weight would make no difference.
Thin blades can be less aerodynamically efficient than thicker ones, but plastic fans blades are not very efficient anyway.
The biggest disadvantages of metal blades are cost and safety.