Brushless Motor Pole Count vs Speed, Torque, Efficiency, Start up Hesitation

[@RCnurse]

I don't know how more rc enthusiasts aren't subscribed. I love your videos!

[@RCexplained]

Glad you like them! Thanks for the comment RCnurse.

[@chrisarnold4128]

I would like too add. I do find most of Ryan’s video’s very interesting.

[@beleg1437]

You might have an error in your graphic. 60,000 x (4/2)

[@RCexplained]

Thanks, correction noted in description!

[@Negern91]

A VERY important note that isn't a topic in this vid is that a higher pole count will have less shaft rotation before back emf occurs to the esc, thus making startup alot smother/steady without a sensor from a dead stop. That's one of the reasons why brushless non sensored crawler motors usually have a high polecount. This matters less on a basher but I wouldn't want to run a 2pole these days since the startup is significantly better on 4poles or higher making a high geared 2pole setup really hard to launch. Thanks for the vids! Love the real science behind everything!

[@salvatorehayes2753]

This Video Greatly Helped Me!

[@RCexplained]

Glad it was helpful!

[@colin1992]

Thanks for explaining ryan. This helps alot

[@RCexplained]

Happy to help!

[@onclepete7888]

Another great video, keep them coming. Thanks.

[@RCexplained]

Thanks, will do!

[@landonscott6986]

im trying to find out what motor to buy and this helped alot.

[@angesrcs]

Thanks for all the info Ryan, very helpful as always.👍🏼🚗

[@RCexplained]

Glad it was helpful!

[@jansvasta2146]

I believe you put the wrong eRPM for the 4 pole at 1:50

[@RCexplained]

yes, thanks, correction in description

[@stefanguiton]

Great explanation!

[@RCexplained]

Thanks!

[@kartikgoli9165]

Can you suggest a few resources, textbooks which can explain these topics in detail?

[@dimalranasinghe8152]

Thank you very much.

[@jacquesshiet5643]

Another fantastic vide…: tutorial ! Super clear and non-ambiguous. A subscription must ! Question I have is whether a higher pole count would possibly equate to a smoother, more quiet running motor ? Such as a Hacker A50 10-pole vs a TPP 4050 4-pole ? Background : looking for the “Bentley” boat drive units for ascale mahogany speedboat

[@RCexplained]

It really depends on motor design and the esc used, however you may find that the higher pole count motor seems to operate smoother and with better control at slow speeds.

[@jacquesshiet5643]

@@RCexplained Thank you for taking the time to answer Ryan. Very kind. I would agree that a higher pole count would appear smoother. Subjectively. But the ESC may well be just as- or perhaps even more important than the motor iself here…

[@ncsmusicdj7972]

let me ask if there are 2 motors DC of the same size, one with 2 poles and the other with 4 poles, which motor rotates faster and which one will bear the load better. thank you very much.

[@96vmax4]

I'm having an issue with 12 pole motors not being compatible with some esc. Why is that?

[@carscoffee5263]

Was hoping you’d mention motor “turn”

[@LukeQuin]

No love for outrunners? Why do huge outrunners tend to have a pancakes shape with a very large diameter and small length with 50+ poles?

[@rcbarbados7217]

6-pole sensorless motors are perfect for crawlers.

[@LawrenceTimme]

Why don't they have 3 and 4 pole motors?

[@RCexplained]

Poles have to be in pairs of North / South

[@LawrenceTimme]

@@RCexplained but you can get a model train with a 3 or 5 pole motor?

[@RCexplained]

I'm not sure about model trains, however, it does not sound like they use 3 phase brushless motors.

[@LawrenceTimme]

@@RCexplained they are brushed motors I think.

[@RCexplained]

Makes sense, then yes the brushed motors can be 3 pole.

[@alwaysflying6540]

Go Glow everyone jk

[@chrisarnold4128]

So basically this video was a waste of time. Ryan said it doesn’t matter what pole your motor is. Look at the other specifications of the motor.

[@My-Opinion-Doesnt-Matter]

What a waste of time...