Questions tagged [rotors]

Rotors are the parts of the craft that spin to provide lift. For propeller driven craft, use [propellers]. Use with any relevant craft tags (i.e. [drone])

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1answer
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How to calculate how much lift to be generated for my helicopter to takeoff?

I am currently making a model helicopter. I wanted to know how fast must my blades spin so that it can takeoff. I guess, for that I would need to calculate lift produced right? Can someone help me ...
7
votes
2answers
109 views

Proper rotor fastening (Nyloc nut)

I am trying to figure out how to properly fasten my rotors on my quadcopter. I am pretty sure the nuts are Nyloc, but here is a picture for reference: I read online in many places that you should ...
17
votes
1answer
339 views

Why are most multirotors built with an even number of rotors?

The most common types of multirotors are quadcopters, hexacopters and octocopters (with four, six and eight rotors respectively). Are there scientific reasons why most drones are built with an even ...