Questions tagged [motor-size]

Use for questions asking about the proper size of motor for use with a specific application.

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16 votes
3 answers
546 views

How do you figure out which motors to use for your UAV?

There are a ton of electric motors on the market. Is there a mathematical formula or some other means of figuring out which size of motor you will need for your airplane, helicopter, or drone?
Pᴀᴜʟsᴛᴇʀ2's user avatar
5 votes
2 answers
2k views

Can motors be "too big" for any reason?

I'm wondering, what would make a certain motor "too powerful/large" for a build? Could software/firmware of FC/ESCs be a problem? The only thing I could come up with is strength of the frame ...
Galaxy's user avatar
  • 641
4 votes
1 answer
113 views

How to decide drone motors?

I'm planning to design a quadcopter with a payload capacity of 5 kg. I would need the thrust power from the motors to cater for at-least 7 kg with extra part weights. I would like to know, How do I ...
Sency's user avatar
  • 149
2 votes
1 answer
337 views

How to calculate the motor size needed from load requirements?

In quadcopter model creation is needed to choose components in order to have enough thrust ratio to grant the hovering plus some extra for movement performances, taking in account other constraints as ...
AndreaF's user avatar
  • 225