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How to Determine if your Brushless Motor is Dead (Electrically or Mechanically) 

RCexplained
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Here we take a look at how determine if the cause of your power system failure is related to the motor. No special tools are required and you don't even need to disassemble the motor! Electrical and Mechanical Motor failures are considered.
Full video on How to Measure Kv (RPM per Volt) of a Brushless Motor:
• How to measure KV (RPM...
What is Cogging within a Brushless Motor (May not be what you think it is)
• Brushless Motor Coggin...

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26 сен 2024

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Комментарии : 51   
@richarddorsch7275
@richarddorsch7275 Год назад
Very informative. My new motor had those bumps you referred to. I thought the motor was garbage but now I know better...thank you.
@RCexplained
@RCexplained Год назад
Glad the video was helpful!
@MakerFabio
@MakerFabio Год назад
Thanks good job. To check the kV I usually go with a cheap speed controller without timing and measure the RPM at a given voltage (but i admit not everyone has an rpm meter at home)
@RCexplained
@RCexplained Год назад
Thanks for the comment!
@chrisduna6483
@chrisduna6483 3 года назад
Really informative and appreciate the time it took you to post this.
@89rc_dude33
@89rc_dude33 Год назад
Thanks, mate. Very valuable video. 👌🏻
@RCexplained
@RCexplained Год назад
Thank you
@cigarr0000
@cigarr0000 4 года назад
I don't know who to pass this on to, but there's almost no videos about vent holes in rc bodies. I want to know the aerodynamic effect and cooling performance that can be achieved with a few well placed holes for nitro and electric RC vehicles. Especially SCT bodies
@RCexplained
@RCexplained 4 года назад
It's something I can look in to, to see if I can get a CFD analysis done on it.
@cigarr0000
@cigarr0000 4 года назад
@@RCexplained Thanks for replying, forgot about rc buggy and their rear wing (I thinkTLR has a few with a front wing), I know it's pretty obvious what it does and how it works, but there's so many setups and adjustment that can be done to any RC car to meet the track condition, the body and wing play a huge role when the car is moving and in the air. I have a proline truescale ford F-150 '17 and cut vents on the hood, middle back window, 4 short vents on the bed, and vented the sidetop of the tailgate, just seemed logical to vent those areas but I haven't tested it yet.
@faiqcreates
@faiqcreates Год назад
idk if u will still read this, but i removed the plastic windshield on my shortcoarse truck (took out the piece where the window sticker is (whole) and added a fiber tape mesh type thing there. same for the door windows. now the air has good flow, provides decent cooling to esc and motor (my esc has 4 rotor blades broken so yeah air cooling actually works) motor does get hot after 10 mins but i am using a onroad motor 12t 4300kv on a offroad car so i say it works.
@Mr_BUSINESS_24_7
@Mr_BUSINESS_24_7 4 месяца назад
what if the cogging feels much stronger on my brand new Trinity 4.5 t and even stronger on my Dash 7.5 t but very weak cogging on my Trinity Kill Shot 13.5 t ??
@gehandx
@gehandx 4 года назад
Great, the video I was waiting for, How about measuring the resistance of the 3 phases. will it help identify any problem ?
@RCexplained
@RCexplained 4 года назад
HI Gehan, thanks for the comment! Yes measuring the resistance of the 3 phases will also help identify any problem. However, measuring resistance of a phase is a bit more complex (video on the channel on this) and you will not get any understanding of the state of the rotor. Measuring voltage on each phase will provide you will all the information to make a full assessment.
@gehandx
@gehandx 4 года назад
@@RCexplained Thank you so much for the reply. I will watch the video.
@turbinegraphics16
@turbinegraphics16 3 года назад
I damaged a drone motor magnet by getting it stuck on a branch, i could feel the difference in cogging.
@furiouswolf777voodoo4
@furiouswolf777voodoo4 4 года назад
My rotor opened and locked the motor. Not sure what they use to wrap the rotor but it didn't work lol Poseidon 2200kv. Great info vid Thanks💯🙂
@RCexplained
@RCexplained 4 года назад
Oh no! An aggressive lock up could damage the stator to the point where replacement of the motor is your only option. Thanks for the comment.
@furiouswolf777voodoo4
@furiouswolf777voodoo4 4 года назад
@@RCexplained Yes I replaced motor 👍🙂
@rydirp
@rydirp 2 года назад
They use Kevlar thread to wrap the rotor
@OldfartRC1
@OldfartRC1 4 года назад
This is fantastic. You definitely earned a subscriber! What is the website you used to enter those values?
@RCexplained
@RCexplained 4 года назад
Thanks for the comment Luigi. The website is www.radiocontrolinfo.com
@racingrivals8934
@racingrivals8934 4 года назад
Nice been waiting for this
@RCexplained
@RCexplained 4 года назад
Hope you enjoyed it!
@TheTylerjoy04
@TheTylerjoy04 2 года назад
Can A Overhead Brushless Motor, Fry Your ESC Or Short It Out?
@runngunrc1991
@runngunrc1991 3 года назад
My motor doesn’t spin freely. I believe when I opened it up it was a crack in the magnets an the shaft has play forward an back can I fix this if so how ?
@clmfilms8103
@clmfilms8103 3 года назад
A few years ago, I got a hubsan h501a drone, and after about a year one of the motors stopped working and created a bit of smoke. At the time, I was planning on spending some money on a dji mavic air, so I took that as a chance to get one and never looked back. The hubsan kinda got abandoned in my closet. Now a couple of years later I'm thinking of fixing up the old drone just to fly for fun when I'm not flying my mavic. I know that it's the motor and not the esc because I tried swapping two motors around and the a different motor worked fine on the esc that the fried motor was on. I'm just wondering if it's at all possible to repair the motor, or do I definitely have to buy a new motor? Thanks 👍
@Grimmy_2v
@Grimmy_2v 3 года назад
I have a brushless motor that only spins when I’m holding the motor in my hand. But when I install it, it hums but doesn’t spin the wheels
@RCexplained
@RCexplained 3 года назад
That is quite strange. Do you know if a motor lead is shorting out when installed?
@gamercat7004
@gamercat7004 2 года назад
My brushless motor by castle creations which I have I noticed I run it off the rc and see powder black stuff shooting on the table and is that a indicator of damage? I'm hoping it's the pinion gear that is stripped and made the dust stuff.
@irockz9723
@irockz9723 2 года назад
My electric scooter motor is just juddering when I apply throttle,vibrates alot and doesn't move forward,any idea what the problem is ?
@RCexplained
@RCexplained 2 года назад
Try this ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ow3Ff61RV2I.html
@GreatBirdOfHope
@GreatBirdOfHope 2 года назад
My brushless motor in my stadium 1/10th scale truck only has half the top speed it used to but still has the same punch 👊 whats going on?
@RCexplained
@RCexplained 2 года назад
Have you tried new lipo
@colin1992
@colin1992 4 года назад
great vid ryan! hows your jaw?
@RCexplained
@RCexplained 4 года назад
Hi Colin, much better! Turns out it was just sprained and took about a week to heal. Thanks for the comment and for asking!
@colin1992
@colin1992 4 года назад
@@RCexplained no probs!
@vipnailspa
@vipnailspa Год назад
talk too much
@Nitrogang
@Nitrogang 2 года назад
red blue blue yellow red yellow you said it kind of fast
@-dafhatas-6519
@-dafhatas-6519 4 года назад
Hi, so i want to ask, Im going to get a goolrc 3400kv brushless motor, i think its max 105 a, also an 125a goolrc esc, and a 3000mah 35c (105a)lipo, Do you think it will be good to work?
@RCexplained
@RCexplained 4 года назад
How many amps are you going to be pulling from this system?
@-dafhatas-6519
@-dafhatas-6519 4 года назад
I really dont know Also how can i get an mono or cataraman hull? I dont have something like an 3D printer It says that the motor suits 600-800mm hull
@-dafhatas-6519
@-dafhatas-6519 4 года назад
@@RCexplained are you there? Its ok if you cant respond Fast, dont worry Im really excited, this Will hopefully be my first rc boat Also the first time that i Will buy something from the internet
@RCexplained
@RCexplained 4 года назад
It sounds like you have selected a 2s LiPo with a 3400kv motor selection. If so this can work with a 600 to 700mm hull. A catamaran can be purchased as hull only. Look at offshoreelectrics
@-dafhatas-6519
@-dafhatas-6519 4 года назад
@@RCexplained Its actually 4S
@simianwarthog
@simianwarthog 7 месяцев назад
Good information. Please can you cut out the excess words like "The next thing you wanna do is you wanna go ahead and..". These are time wasting and irritating.
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