How to calculate the force required to lift an object into the air (helicopter)

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Hey everyone,I am trying to make a helicopter using an AVR or ARDUINO BOARD I wanted to know how do I calculate the force required to lift the helicopter.Can anyone also help me how much revolutions per minute(r.p.m) should the fans generate.I am planning to use two fans.
 

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  • #2
berkeman
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berkeman
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russ_watters
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Hey everyone,I am trying to make a helicopter using an AVR or ARDUINO BOARD I wanted to know how do I calculate the force required to lift the helicopter.Can anyone also help me how much revolutions per minute(r.p.m) should the fans generate.I am planning to use two fans.
I don't think you are asking the right questions here. Isn't the force obvious? It's the weight of the helicopter!

And RPM; it is only one of many related properties of fans and not that meaningful on it's own.
 

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