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So I am going to be running 20x5.5 carbon fibre drone propellers at 10,000 rpm maximum and I cannot find out which motor I need. I have been scouring the web for weeks and I have given up and I am sorry about that. Is there any way to find the right motor? Can you at least tell me how to search for it?

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There are numerous motor calculators on line that you can use to estimate how much power will be required to reach a particular RPM, and how much thrust that will give.

eCalc is probably the best known, but there are several. They use standard motor equations and data from testing popular props.

RCGroups keeps a list of all the calculators

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