What is BLHeli Motor Timing and what it affects?

Ғылым және технология

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What is motor timing? You can change it in the BlHeli configurator, but what does it do? Many tutorials say that you should increase Motor Timing. What is the gain of doing so? And why it is in degrees (at least in BLHeli_32)? The short answer is: higher timing equals slightly more torque but less efficiency.
0:00 Intro
2:01 Motor Timing Explained
11:29 Degrees of phase
13:57 Outro
#fpvuniversity #blheli #fpvdrone #fpv

Пікірлер: 42

  • @Cake_Doge
    @Cake_Doge3 жыл бұрын

    Best video found about this, has visual explanation, has all the info about the difference between high and low timing, goes into science without being boring and with being understandable, has accent, etc. Thanks man!

  • @frankschannel2642
    @frankschannel26423 жыл бұрын

    Good one, Pawel. Excellent explanation..

  • @olafschermann1592
    @olafschermann15923 жыл бұрын

    Great explanation

  • @Mekanikern
    @Mekanikern3 жыл бұрын

    Nice, this filled in a couple of holes for me, thanx Pawel 🙂

  • @h2o-fpv623
    @h2o-fpv6233 жыл бұрын

    great videoo it remind me when i was taking classes of electronics and i was so lost but i end it up getting it thank u for this video

  • @djilly75
    @djilly753 жыл бұрын

    Wow i learned a lot. Thank you

  • @fpvpf
    @fpvpf2 жыл бұрын

    Great explanation. Thx man

  • @padcom
    @padcom3 жыл бұрын

    Tesla would be proud of you :) that was a very good explanation of how it works :)

  • @bryanfpv
    @bryanfpv3 жыл бұрын

    Wow never knew a motor was so sophisticated.Could you show us how to setup blheli precisely. 👍😁

  • @ashGladiator
    @ashGladiator3 жыл бұрын

    Thanks for such amazing explain.. the question here what’s the suitable motor timing should I choose to run everything smoother and more safe

  • @MCsCreations
    @MCsCreations3 жыл бұрын

    Really interesting, Pawel! Thanks for the video! 😃 Stay safe there with your family! 🖖😊

  • @TX_Nano.
    @TX_Nano.3 жыл бұрын

    Thank you. That was very informative and helps me better understand that setting. Is there ever a situation in which variable motor timing would make sense (changing the timing based on either rpm or load) ?

  • @CorradoCorradini77
    @CorradoCorradini773 жыл бұрын

    thank you so much! it would have been even better if you completed with DEMAG 😁

  • @darkodimitrijevic8496
    @darkodimitrijevic84963 жыл бұрын

    Live long and prosper :)

  • @mattraymond2935
    @mattraymond29353 жыл бұрын

    can this setting motor timing or demag burn motors? My motors are cold but every 3rd session I burn a stator.

  • @chris-ip4pk
    @chris-ip4pk3 жыл бұрын

    My motor spec says 15 degree timing, however my esc has 12 or 18 ,which should I go for ,and my motor says 8khz drive frequency but my esc has a setting called pwm is that the same,its confusing,

  • @danielalessandrini2299
    @danielalessandrini2299 Жыл бұрын

    Is it possible that an EDF can burn an ESC because of the timing of the motor? I just burned an 150a 12s esc, but I'm not sure what caused the shortcut.

  • @suicidequad
    @suicidequad3 ай бұрын

    Intro (00:00:00) Motor timing is often suggested as a solution when there are issues with motors and ESCs. Increasing motor timing usually resolves problems, but it's not clear what motor timing actually is. Motor timing is not well-explained in documentation, even for BLHeli. BLHeli32 increased the resolution of motor timing changes, allowing it to be set in degrees. It's not clear why motor timing is measured in degrees since timing is usually measured in seconds. Motor timing is the amount of time that the ESC provides power to the motor windings after the motor's magnetic poles have passed the stator coils. The optimal motor timing depends on the motor and ESC combination. Increasing motor timing can improve performance and efficiency, but it can also cause overheating and damage to the motor or ESC if set too high. Decreasing motor timing can reduce overheating and damage, but it can also reduce performance and efficiency. Motor Timing Explained (00:02:01) Motor timing in brushless electric motors affects the interaction between the magnet and the coil, influencing torque and efficiency. Higher motor timing energizes the coil earlier, resulting in more torque but reduced efficiency. Lower motor timing energizes the coil later, resulting in less torque but increased efficiency. BLHeli motor timing is measured in degrees of the phases, not the rotation of the motor. The motor and ESC use back EMF detection to estimate the magnet's position relative to the coil. Degrees of phase (00:11:29) Motor timing is measured in degrees of the phase. The motor magnet's closest position to the coil is the reference point for counting the degrees. Motor timing is not about the rotation of the motor itself, but the distance in the phases and the degrees of the faces. The advance in the rotation of the motor can be different for motors with different numbers of coils and magnets, but the advance in the phases remains the same.

  • @josepfpv2127
    @josepfpv21273 жыл бұрын

    Great explanation. Have a question more or less related. Is it possible to have a configurable mode in a switch in inav when you land the propeller remains or stay in a horizontal position? It would be useful for fixed wings when you land to protect the propeller and the structure of the motor.

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    No, ECSs have no function like that

  • @josepfpv2127

    @josepfpv2127

    3 жыл бұрын

    @@FPVUniversity Thanks for the answer . that option would have been useful i guess foldable propeller for the moment . Waiting to see the tests on the ghost system .

  • @daphneblake7889
    @daphneblake78892 жыл бұрын

    I have been trying to restore an older art-tech brand heli with a brushless mystery-motor. Labeled B20/10t I want to know the KV rating and poles this motor has. How can I find this out? I cannot locate any info online. The part number is H3D043. Can you find anything?

  • @JonasCE
    @JonasCE3 жыл бұрын

    Thanks for a great vids mate! What timing should I set for 5" freestyle (quick rolls & flips) then? Currently I use motor timing set to "auto". Any advice, please?

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    I either set MediumHigh or bump to around 21 in BLHeli_32

  • @JonasCE

    @JonasCE

    3 жыл бұрын

    @@FPVUniversity will give. it a try. Thank you Sir!

  • @pteranodon3946
    @pteranodon39463 жыл бұрын

    If the stator has 12 poles and 3 phases that would mean 4 sine waves for each revolution, right? So on such a motor the geometrical angle should be one fourth of the motor timing phase offset. So a motor timing of 24 would mean the coil is powered when the magnet is 6 degrees ahead of the pole.

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    Actually it's electrical RPM * poles (number of magnets) / 2

  • @jackevans2386
    @jackevans23862 жыл бұрын

    2:30 is incorrect. You've drawn a 'delta' arrangement, but these motors are wired in 'Star' arrangement.

  • @tallewinger
    @tallewinger2 жыл бұрын

    Hi Pawel. I wonder if you can help me solve this extra nerdy problem?? I’m dealing with a brushless 1/10 scale sensored motor. The timing on it is marked outside between 0-60 and is set at the factory to 35. Here is the geeky part. When the ESC is powering it normally (it’s A,B,C fase wires are connected properly) it turns counter clockwise when looking at the shaft from behind. Which is in reverse. So I need to set the ESC to reverse the throttle channel. But I think the timing is off. Because it turns faster in reverse than forward! But since 30 degrees is the average setting (0-60 range) it should not make a big difference… but it does. And when swapping A and C phased in an attempt to trick it into turning correctly it jams! Only vibrating and making a terrible sound. 🤦🏻‍♂️So I would appreciate your thoughts on this. Spasiba my friend. Cheers from Canada.

  • @FPVUniversity

    @FPVUniversity

    2 жыл бұрын

    swap any two wires and motor should rotate opposite

  • @tallewinger

    @tallewinger

    2 жыл бұрын

    @@FPVUniversity Thanks for your reply Pawel. Supposedly. But i tried all permutations and when I swap any wires the motor just vibrates acting as if it is jammed. I think it has to do with it being sensored perhaps. Any ideas? I changed the timing from 30 to 60. assuming that 60 in reverse is equivalent to 0 going forward. I have not had a chance to test it yet to see if this fixes the problem and now the wheels will spin as fast or faster going forward, than reverse.

  • @edouardmalot51
    @edouardmalot513 жыл бұрын

    So, does increase timing make the motor smoother ?

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    Not really since torque also grows a little

  • @aldenhauser9555
    @aldenhauser95553 жыл бұрын

    Can you do a video explaining dmag compensation plz

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    It's in a queue now

  • @aldenhauser9555

    @aldenhauser9555

    3 жыл бұрын

    @@FPVUniversity awesome!

  • @51im
    @51im3 жыл бұрын

    I thought that the coil was energised to repel the magnet in able to push it round.

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    Pushing is basically the second phase after pulling

  • @magicalpencil

    @magicalpencil

    3 жыл бұрын

    it pulls it until they are lined up, then it pushes, it is in time with the waveform going up and down

  • @FPVUniversity

    @FPVUniversity

    3 жыл бұрын

    yeap, just like that

  • @black_baron_net
    @black_baron_net2 жыл бұрын

    ☠BLACK BARON☠10:00 Too much 🔥heat🔥 is not good on a long term usage. I prefer more efficiency. Be careful with setting too high motor timings. The RPM can be measured in "without load" and "with load".