I want to build a drone using these motors
and these propellers
Are all propellers compatible with all brushless motors? If not, how do I know if mine are compatible with each other?
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$\begingroup$ @jsotola no, but how do I know if my propellers are compatible with my motors? $\endgroup$ – Vincent Quirion Aug 3 at 22:23
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$\begingroup$ I question sometimes how one can get as far as to google and post at SE...but not enough to find the thing they're looking for....banggood.com/… maybe this will be helpful to understand whats required $\endgroup$ – morbo Aug 3 at 23:16
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1$\begingroup$ Try this - ecalc.ch/xcoptercalc.php $\endgroup$ – HighVoltage Aug 9 at 22:42
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$\begingroup$ Please be nice @morbo and for specific guidelines, see our Code of Conduct. $\endgroup$ – Mark Booth♦ Oct 2 at 10:25
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$\begingroup$ Same goes for @jsotola $\endgroup$ – Mark Booth♦ Oct 2 at 10:26
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Not at all. It is about efficiency, agility, and maneuverability of your drone.
Just like wheels on a car, the size of the propeller needs to be matched to the rest of the power system. For example, putting 3” props on a motor designed for 5” propellers will result in extremely high RPM and power draw and will create very little thrust. Likewise, putting large props on a small motor will likely be too much for the motor to spin, this will create very little thrust, lots of heat and excessive current draw. Extreme mismatches can damage motors and ESC’s.
The same propeller on two different motors can have vastly different performance. Even in the worst-case scenario it is possible that by a bad chose of your propeller, the drone could not take off or on the other hand, they will break when the robot is flying!
Read more at All about Multirotor Drone FPV Propellers
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$\begingroup$ Welcome to Robotics hosh0425. Thanks for your answer. We generally prefer answers to be self contained where possible, but this is a big topic, so references to external resources are fine. When linking though, please try to avoid using here or similar as the link text. Links tend to rot and if this happens, link doesn't help anyone find the page. Often missing pages haven't been removed, they have just been moved to another location. If you give the page title as the link text then a search for that text will often find the new location. $\endgroup$ – Mark Booth♦ Oct 2 at 10:22
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Yes, all propellors are compatible with all motors brushed or brushless if you’re looking for the right propellor for your motor.
And yes, the propellors that you’ve linked in your question will fit the motors that you’ve also linked.
Make sure you double check using the specifications of the motors and propellors, usually found on the product page of online market places, however, the amazon link doesn’t seem to have it.
Most of the time, with your propellors you’ll get small pipe things that fit around your motor shaft to make the diameter of the shaft bigger so the propellor will fit much tighter, forgot what they’re called, oops.
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