Starter Motor Explained - How a car's electric starter motor works

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Learn how starter motors work, where they are used and why they are essential for a car to start. We look at the main parts as well as how starter motors work how it turns the flywheel which starts the combustion process to start the car engine.
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2 июн 2024

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Комментарии : 239

@EngineeringMindset 2 года назад

⚠️ *These videos take a long time to make* if you would like to buy Paul a coffee to say thanks, link below: ☕ PayPal: www.paypal.me/TheEngineerinMindset Channel membership: ru-vid.com/show-UCk0fGHsCEzGig-rSzkfCjMwjoin Patreon: www.patreon.com/theengineeringmindset

@luissilva3917 2 года назад

How those a combustion engine work

@reyalolor8041 2 года назад

jjuuuuuuudixjx 😔😂😍r 😍rr 😍t 😅tt 😅t

@bogdanbogdan1230 Год назад

@Papi_21 2 года назад

Learning more practical work from this channel than I did in school.

@alldesire3434 2 года назад

Samarth

@notundermywatch3163 2 года назад

School sucks.

@dontfit6380 Год назад

@@notundermywatch3163 School is designed to domestic you not educate you. If it was about education it would take about 3 hours a day max. Every government needs domesticated tax slaves.

@Will_Moffett Месяц назад

What i learned is that im not actually smarter than the gear heads from school its just i could sit still longer.

@mxcollin95 Месяц назад

Yep!

@ammoniahuffers 2 года назад

Yep, the starter motor is the most difficult to understand motor, just stand behind the linear motor... Nice animation Paul! And thanks to the guy who gives effort to start that engine using hand!

@autobreza7131 2 года назад

Again, one of the best produced videos on RU-vid. Clear graphics, proper use of terms, and clear and concise language used. A joy to watch and learn even when I think I know the subject matter. Very, very well done and most appreciated. Take your coffee!

@Tony.C-308 2 года назад

I really enjoy your videos and the animations you use to explain and simplify understanding of the subject matter. Last time I "repaired" a starter motor it was as follows; the loud click from the solenoid could be heard but then nothing, battery was fine so I removed the motor for bench testing. It turned out that the contactor plate/ring was not making the contact required for the electrical motor so bent the plate to ensure good contact, reassembled and re-fitted the assembly. I had the vehicle for another 5 years and it was still going strong when I sold the car.

@michaeledwards6890 6 месяцев назад

learning how to do things myself, including how to deal with my shitty car, has been a real pleasure thanks to concise videos like this. Its not enough to say "just do this" I need to know how everything works to truly learn. thanks

@ElectroProjects 2 года назад

👍🏼👍🏼👍🏼Explaination and quality increasing every video 👍🏼👍🏼👍🏼😊

@floralcakes6110 2 года назад

Great I'm learning it as well great explanation 👍🏼👍🏼

@reuben6497 2 года назад

This is how it should be explained 👍🏼👍🏼 keep it up

@justsomeguy.8670 2 года назад

Im a foreman electrician..and I understand how light years above in knowledge electrical you guys are. It’s almost discouraging to believe you guys have got this figured out:

@strivin2b205 Год назад

Thank you for breaking this down so well. I'm looking forward to learning more from your videos.

@thisis675 2 года назад

One of the best engineering channels on youtube. Your original content animations are superb!

@_Dezman 2 года назад

Super. Thank you very much for your efforts!

@danielrus7117 2 года назад

Wow! Such a comprehensive video! Thanks!!!

@acesy187 Месяц назад

thank you for this! Really appreciate you this channel! Very educational.

@guilhermerodrigues6214 Год назад

Great content, nice illustrations/diagrams and good explanation! This video is awesome

@garykeels8057 2 года назад

You can diagnose a possible faulty starter motor by measuring voltage of the thick wire of the starter when you have someone turn the key all the way to start. You can also jump the 12 Volt signal "S" post of the solenoid to the large post going to the starter with a piece of wire or metal object to test for a faulty solenoid.

@kvlpnd 2 года назад

Very informational video with exceptional simplicity. That's what I like. Information with simplicity without sacrificing knowledge depth.

@Holocaustica 2 года назад

Got a brand new Explorer Titanium last March. It takes quite some getting used to, pressing a button to start it and shut it off. Frikkin cameras all over the thing too; traffic light engine shutdown (this feature scared my wife into thinking she broke it on the first day.

@fastacelzapacescu5445 2 года назад

Excellent video! Thank you!

@MasoudMehdirad Год назад

Perfect video. Very well explained. Thank you.

@alexandra2uralskaya16 Год назад

Motives me to find my physics book from school and re-learn some topics. This is what should be taught in schools because it makes you really interested in the topic. Thank you for your great video!

@gitahinganga3136 5 месяцев назад

Excellent explanation. Thanks!

@ryanburbridge 2 года назад

Really well done. Glad you showed the pull/hold circuit. Easily missed.

@user-ju6vo8nw2j Год назад

wow, such a comprehensive video

@k.pathirana.8868 4 месяца назад

Excellent. Very clear Video. My congratulations.

@oficinadoeletricista Год назад

Exceptional explanatory vídeo. The lessons in your videos are extraordinary and of an absurd level of clarity in all the explanation that is passed to us allowing an understanding so facilitated that it is impossible to see only once. Congrats on the amazing works. 👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻 Sorry for my English, I'm still in evolution.

@exploresulvitech Год назад

Thumbs up for your clear tutorial

@HubblyHire 2 года назад

Great stuff man

@tino_S 2 года назад

these animations are very illustrative and helpful

@tinytonymaloney7832 2 года назад

Even though I knew this although not in intricate detail I still found it interesting. The brilliant graphics make all the difference. Well done. 👍👍👍

@obiwanfisher537 26 дней назад

My boat won't start and there is an electric issue. As it's not accessible easily, I find it very helpful to see this an find out what to look for. Inboard engines are diesel engines as well, they all work the same more or less. So thank you for helping me out with this very, very in detail video

@thebeast6494 12 дней назад

well did you manage to fix it

@pavanu629 2 года назад

Big fan of you sir , great explanation of concepts.

@raffaelle462 Год назад

perfect explanation very easy to understand,,,

@AmharicMusicLyricsVideo Год назад

I always appreciate by what you are doing its brief explanation

@JesS-cg8db 2 года назад

Thanks - great videos on a range of subjects

@EngineeringMindset 2 года назад

Thank you!

@briant4326 10 месяцев назад

thank you wonderful stuff

@danielbartolome8807 2 года назад

Good details and very helpful your videos. It’s great vidoe sir thanks

@pardonchisala1995 Год назад

very much helpful to understand the starter motor

@user-io4xw6hw2t 2 года назад

Спасибо! Всё доходчиво и понятно .

@alideep9656 2 года назад

Thank you, this is one of the hardest mechanisms to understand as a new driver

@aut0turret Год назад

There's a lot more to that than I thought there would be... Multiple disciplines all working together, all rolled up into a nice little package.

@supercoolhandyo 2 года назад

I was literally wondering the process of a car turning over today! So crazy this is uploaded on the same day.

@janswitana8199 2 года назад

Thank you so much! Waiting for more videos 'bout car engineering:) Greetings!

@user-is8tg9gt3h 9 месяцев назад

I have found these videos to be very useful on my studies yes it's everything u can find but believe me u this one is very helpful ❤️❤️💥

@robertmyers6859 2 года назад

GREAT SHOW

@wanakapanda1549 Месяц назад

Learning more ❤️

@artemlul 2 года назад

Very informative

@highspeedgaz Год назад

The Inventor of this wonderful piece of kit , Charles F Kettering, and was fitted for the first time on a Cadillac in 1912 . Genius is word sometimes overused, not in this case . Great Video .

@skkeldon8769 Год назад

My brain is bursting with knowledge 💯👍

@noxlight5564 Год назад

At this point ur just carrying me through college tbh, you are the G.O.A.T

@sajgol14 2 года назад

I told you guya This man is awesome This channel is fantastic

@jeffeloso Год назад

They were Bendix Starters in my day. The motor would throw a spinning pinion at the gear ring on the flywheel, using inertia to drive it forward on a spiral spline. There was a real possibility of causing wear and damage to the gear ring on the flywheel, after which the starter instead of engaging would make a loud shriek of clashing gear teeth. You could get the same effect by pressing the starter button/key when the engine was already running - guaranteed to do damage. Once the engine was running faster than the starter motor, the pinion would self disengage and run back down the spiral spline. There was a big spring on the shaft which helped this happen.

@malikal-rashdi1073 2 года назад

Best engineering channel

@AtAGlimpse_UB 2 года назад

I recently started seeing all the videos of this channel, and I have to say, YOU ARE GREAT PAUL! P.S. can you make a video on "how car AC system works"?

@BIGDTV76 2 года назад

Good video sir.watching from phillipine

@RoyPerera-uq5kx Год назад

Excellent dimo

@elena6516 2 года назад

I used to work at a courier company full of sub-contracting owner operators. Failing starter motors were probably the most common failure. We would often crawl under the afflicted vehicle and bang the starter motor with a hammer while someone turned the ignition until the vehicle started and could be driven to the shop or the work be done for the day without turning the truck off. No idea why banging the starter motor worked, we just knew that it did and it saved many butts.

@Jimbo9008 2 года назад

Banging on the stater would tend to free up the stuck carbon brushes which have become to short to fully reach the commutator. This arcing causes the brushes to stick in the brush housing and become stuck.

@mardomacfleno2474 2 года назад

The combustion engine and it's many components are like crazy Rube Goldberg machines.

@rontiemens2553 2 года назад

Outstanding.

@Tanvir9810 2 года назад

I say this is better than my versity..... All my semester 90min class. And one video from this guy....

@MANOJKumar-zo7uu 2 года назад

Engineering Mindset.. 👍✌️💪

@Septerrianin 2 года назад

Очень переживал, что расскажут поверхностно, без упоминания обгонной муфты и двухобмоточной катушки втягивающего. Рад, что ошибся. Респект за дотошность!

@crappymeal 2 года назад

best channel on RU-vid

@roseelectronics4582 2 года назад

I work on these kind of engines and starters almost daily.

@altaf_m_k5898 2 года назад

Best Channel

@mohammedgamal9733 5 месяцев назад

This channel is better than bachelor's degree in engineering

@j5892000 2 года назад

Dmm. Get one . They are very very helpful

@MuhammadFaheemHassan 2 года назад

Great sir

@tobi-Mivumbi 2 года назад

I advise any one who wants to be engineer in Electrical to follow you and your channel of RU-vid. Keep it up

@FLYF16able 2 года назад

These videos are amazing. If you are ever on the subject of starter motors again, could you explain (or in this case show) how the solenoid uses the two different windings(pull in and hold in)

@EngineeringMindset 2 года назад

Thank you. Did you see the end chapter of this video? I've animated both coils.

@FLYF16able 2 года назад

@@EngineeringMindset I apologize. When the add hit my brain automatically thought it was the end of the video. That is my bad

@mikemyght 2 года назад

Quite interesting

@UBsLab 2 года назад

Superb

@isaacturrietta5142 2 месяца назад

Thanks!

@EngineeringMindset 2 месяца назад

Thank you!

@user-rp7yl4gx4y 5 месяцев назад

Thank you very much, I understand every thing about turn starter the car , but I have a question about turning the car off , after using the starter gear to move the engine, it came back normal and the engine do the rest of the job , but when you switch the car off , which part of the car stop the engine and how?

@snotice12 2 года назад

I love all of this!

@remnant.watchman 10 месяцев назад

Thanks

@paule.2687 2 года назад

Ok but that would only make the pistons move, how do the spark plugs know they have to start working? also what happens when you turn your key off? Why the engine stops? Great video thanks for the insane quality!

@norbertmachado6822 2 года назад

The ignition system on petrol engines is also energised by the second stage position on your ignition key switch. The third position is to energise the starter motor. It is a momentary switch which means once the engine has fired up the ignition key springs back to second position. In modern csrs the ECU, ignition units and coil packs control the spark and timing. I learnt about cars when carbs, distributors rotor arms and HT coils and off course points were used.

@Neitherreal 2 года назад

Very nice. The assembly that moves the pinion into place is called a Bendix.

@dialoguewithexpat4579 10 месяцев назад

It is called either driver or bendix. Both are correct.

@sureshkumar-ux2nq Год назад

Nice

@user-wc6jy7df1l 10 месяцев назад

Amazing teaching I'm okay to explain how a Starter motor works

@danielmarkbuyoc9516 2 года назад

Question: Does the electricity for the pull in coil go through the windings of the motor to go back to the battery (negative side)? If it does, won't it start the motor itself already because it has a little potential voltage going through it?

@fredzakar6325 Год назад

The motor only draws what it needs and return voltage is always a zero sum.

@ToolsAandLogic 3 месяца назад

Nice video. Though missing many things. The power doesn't go directly from starter key to starter solenoid. Rather, power go from starter key to relay, through safety interlock and from there, it goes to Starter solenoid. Safety interlock will make sure that car will not start in reverse. Please correct.

@user-qo4oz8mc1c Год назад

Do you often use planetary gears for start motors that are produced recently? What is the difference between the two methods? (Benefits and Disadvantages)

@lccgmb 2 года назад

Muito bom !

@Venom-nk8nd 8 месяцев назад

Thanks 🇵🇬

@mrsemifixit 2 года назад

When the contactor plate makes contact across the terminals, the pull in winding becomes 0v because both of it’s become connected to the positive of the battery?

@gustavoguti27 2 года назад

If it doesn't start try tapping it a few times. If it doesn't work then turn the key on, push the vehicle and when you get some speed just engage second gear. It always works

@laketrump6768 2 года назад

only with manual transmissions....not automatics....

@ericwelch361 Год назад

@@laketrump6768 only real drivers use manual transmission

@plankmax8748 Год назад

At 8:00 min. When pulling coil is energised current is passing through motor coil then reaches negative. Does not it make humming sound of motor as it will try to rotate armature (not possible due to low current)?

@priscillamontes2416 Год назад

If you’re jumping a car, never hook up the dead battery cable to the negative post, use the chassis or find another grounding point.

@rssolutions4116 2 года назад

good

@byloyuripka9624 2 года назад

the easiest way to diagnose a starter is to bypass the control system, just apply the power straight to it using a jumper of whatever sort

@VernonDraws Год назад

At 0:53 i can tell that engine is an NET turbo either 1.4 or 1.6 🤣 I know this because i literally rebuild 1 of these every week. Fun fact about them... the heads seem to blow quite easily and rubber the separates water from oil in the oil cooler can crack and cause engine failure😣

@xPerfectVirusx 2 года назад

Is there another way to explain the overrunning clutch and the rollers? That's the only part I can't get my head around. The engaging and disengaging of the rollers to protect the motor and pinion.

@DaDaDo661 10 месяцев назад

Same here

@isaacturrietta5142 2 месяца назад

As far as I can tell, the pinion ger isn't attached to the shaft it spins freely. The overrunning clutch is what spins with the shaft. And as the clutch spins it's like a spinning rollercoaster on the rollers and they get plastered to the sides of their seats. The housing has ramps so as they get shoved to the side they run down the ramps and are shoved into the pinion gear and engage with it turning it. Then as the flywheel turns the pinion gear faster than the clutch the rollers are going to do what wheels do when you spin them; they run the opposite direction of the force you put on them. Do this put your hand in a big claw for the clutch, inside your claw put your other hand as a smaller claw for the pinion gear. As you rotate the big claw, imagine the rollers lagging behind and engaging. Then rotate the smaller claw faster then the big claw (engine is going faster the the starter). The small claw acts like the ground on the imagined rollers which spins them and drives them back up their ramps, disengaging them. Whoof! that was a mouthfull.

@nobody8650 2 года назад

Kindly explain the delta-wye transformer or vice versa works... thanks...

@EngineeringMindset 2 года назад

We do have a video on star delta, with regards to motors but it's very similar. Additionally we do have a video on transformers

@acmontolivo7145 2 года назад

Like always, perfect explanation. Thanks, you are the best.

@pebbles9908 2 года назад

I used to tap on the starter...it worked for a while.

@Jimbo9008 2 года назад

This action frees up stuck carbon brushes which have become too short to reach the commutator and carry the full current needed to run the motor. My uncle used to rebuild starters and generators in a shop in Colorado Springs. I would spend my Saturdays cleaning carbon dust out of housings. Learned a lot working there.

@maxreynolds679 2 года назад

What happens when you try to start an already running engine? Is there any mechanism to protect the teeth in the starter motor or flywheel from damage?

@isaacgraphics1416 2 года назад

The gear connected to the engine would be moving faster than the starter motor gear, so the little rollers mentioned at 6:20 would not engage. They stop the starter motor from getting damaged once the motor is running.

@autobreza7131 2 года назад

Since the engine/flywheel is spinning several times faster than the Bendix drive's operating speed (a few hundred rpm I believe) the flywheel will "grind" against the slower spinning Bendix gear when the gear tries to engage it. Hence, a major grinding of the gears until the key switch is released from the Start position. Or sometime the gear will engage and the Bendix will spin on it's sprag clutch which will sounds like a over-running worn-out bearing. Replaced many a starter with a ground down Bendix gear due to owners who thought the engine, which was running very quietly, was not running, when in fact it was. Some flywheels have ring gears that are more vulnerable to wear than the Bendix drive, resulting in a very expensive flywheel or ring gear replacement as well.

@aicram62 2 года назад

Yeah from your parents! LOL

@DaDaDo661 10 месяцев назад

Try it out. It sounds terrible

@drrobotnikmeanbeanma Год назад

Can any General Motors starters work for a Hyundai.If so what makes and models are compatible ?

@gopinathbangar2448 2 года назад

Very useful please upload hindi version video

@EngineeringMindset 3 месяца назад

www.youtube.com/@EngineeringMindsetHindi

@ellomirza 2 года назад

Weird. When I took a starter apart to figure out how it works I assumed the splined shaft of the motor pitched the starter gear into the flywheel with centrifugal force and the solenoid pulled it back in after the engine started. I couldn’t spin the starter motor by hand without it pushing the gear out I can’t imagine how hard it must get flung with electricity spinning the motor. The one I took apart had a planetary gear set. To diagnose a faulty starter just short it. Short it with a screwdriver at the starter itself. Short it with a wire from the battery to the starter or short the starter relay in the fusebox.