why does fan have only three blades
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Answer:
Explanation:
Electric fans can have 3-4-5 – any number of blades but why do fans in India only stick with 3 blades? The primary purpose of an electric fan is to create air flow.
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Fans best work when they are proportional
The angle between the 2 arms will always be equal and three is the least number which is sufficient hence making it more cheap durable and reliable
The angle between the 2 arms will always be equal and three is the least number which is sufficient hence making it more cheap durable and reliable
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