Why These Engines Only Last 3 Seconds

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  • Опубліковано 18 вер 2024

КОМЕНТАРІ • 141

  • @rs1199
    @rs1199 4 дні тому +69

    Just standing nearby when they take of is insane, they literally start a short earthquake of around 2,5. They are an assault on all your senses. Eyes burning from the exhaust-fumes, ears deafened by 150+ dB, and I’m sure you can taste the rubber after the burnout. Having seen them a few times, it newer gets old. Great video :)

    • @bobbybishop5662
      @bobbybishop5662 2 дні тому +1

      The part I think is the cool is the massive vacuum of air being instantly created . You can hear it really plainly.

    • @vette63
      @vette63 День тому +3

      I found that you lose eye focus during the run because they vibrate your whole body including your eye balls. 😂

    • @johncourtleigh6092
      @johncourtleigh6092 День тому

      ​​@@vette63 lose not loose.

    • @varqtube
      @varqtube День тому +1

      ​@@vette63Exactly. I like to be right against the fence when they come to VMP in Virginia, and every time they go down the track, my sun glasses vibrate down my nose a little, my vision blurs, and the ground shakes beneath me. It is absolutely INSANE, and it is something everyone should witness at least once in their life. 👍

    • @vette63
      @vette63 День тому

      @@johncourtleigh6092 fixed it. Thanks.

  • @randomfpv22
    @randomfpv22 День тому +20

    Clay millican is the nicest guy in top fuel racing in the USA. Absolute legend!

    • @user-ms2wr7qr6n
      @user-ms2wr7qr6n 11 годин тому

      Love watching the vids of him showing all these coming up yt influencers the power of motorsport at its complete highest.
      Even the guys that have been around racing all their life would be blown away and mesmerized by what top fuel can do

  • @tonymayhew191
    @tonymayhew191 7 годин тому +1

    You did a great job of explaining a top fuel dragster, but there is nothing like sitting in the grandstands and hearing, smelling, and feeling two of these things hit the loud pedal at the same time with eleven thousand horsepower each! It's incredible! And I highly recommend everyone experience it at least once in a lifetime! 😋

  • @georgebliss8262
    @georgebliss8262 День тому +2

    I have seen several videos on how top fuel motors work. This is a very interesting and well done take on it. Good job.

  • @pinkysgarage4517
    @pinkysgarage4517 День тому +3

    Such an incredibly well done video.
    Amazing explanation of so many things.
    Thank you for the amazing information!

  • @JxH
    @JxH День тому +2

    A point of comparison: The Apollo Saturn V F-1 rocket engine had 50,000 horsepower ... ...->... ...fuel pumps.
    50,000 hp fuel pumps. Each engine.

  • @zac596
    @zac596 4 дні тому +15

    Incredible video!
    I only have one request... always include metric units, although you do often, it seems that you forget sometimes, e.g., when u said 7000 °F at the beginning portion of the video.. i had no idea how much is that in °C, or when u mentioned top speed in MPH.
    Nonetheless, amazing job and a very entertaining video, keep it up!

    • @malakiblunt
      @malakiblunt 4 дні тому +2

      3871 °C

    • @zac596
      @zac596 4 дні тому

      @@malakiblunt i know, i have access to google

    • @malakiblunt
      @malakiblunt 4 дні тому +2

      i was being ironic

    • @johnarnold893
      @johnarnold893 День тому +3

      NHRA doesn't do metric. Go to Australia if you want to see metric drag racing. Why have the guy making the video translate Imperial to Metric from the NHRA numbers if you have your own Google?

    • @tristanwwsd
      @tristanwwsd День тому

      This is US racing in the US. These are our numbers. We shouldn't have to change for the rest of the world. (although I think we should)
      Should he quit using English too?

  •  День тому +1

    Great facts and figures, so impressive when you see a slo mo of the tyres at "launch". Proper engineering.

  • @Tubesmaney
    @Tubesmaney Годину тому

    Well done video Sir.
    When I was a lad, I was hooked on drag racing - specifically top fuelers. At the small track in Upstate NY we only got to see fuel funny cars, but man oh man they were fantastic. I still remember the very first time I heard a top fuel engine, the sound me the chills and I will never forget it.
    Nothing like a top fuel engine and you’ve done a great job in explaining them.

  • @vintagespeedshop
    @vintagespeedshop День тому +13

    The UK (Santapod race way) still holds the world record 3.48 seconds @ 386.26 MPH. Engines last much longer than you think. Many teams can run a season with 1-2 engines. They are not rebuilt after every run, they are striped and inspected after every run to make sure there are no problems. If there are no problems it's put back together ready for the next run. Clutches are rebuilt after every run.

    • @rattmann8141
      @rattmann8141 День тому

      386?😮

    • @johnmadsen5258
      @johnmadsen5258 День тому +4

      That was a rocket. Santa Pod is the venue at which the current world drag racing record, a time of 3.58 seconds at 386.26 miles per hour (621.63 kilometres per hour) was set by Sammy Miller in his Vanishing Point rocket-propelled funny car in July 1984.

    • @rattmann8141
      @rattmann8141 День тому

      @@johnmadsen5258had the fortune to see that same car at Maple Grove Dragway sometime in the 80s. He broke the track record that day.

    • @codymoe4986
      @codymoe4986 2 години тому

      Ehh, why are you citing rocket dragster records while discussing the durability of top fuel motors?

  • @williammetcalf7239
    @williammetcalf7239 3 години тому

    Some years back I said that maybe some day they would be so fast that the driver could not survive the run. You can only take so many G force before it is becomes life threatening. Makes you wonder. Amazing engineering.

  • @joneslecones2168
    @joneslecones2168 День тому +1

    The CB7 Accord with H22a swap was lit

  • @sammyxd485
    @sammyxd485 4 дні тому +3

    This is just insane. But pretty interesting.

  • @ben10xr50
    @ben10xr50 День тому +1

    clear and concise video good job.

  • @user-ms2wr7qr6n
    @user-ms2wr7qr6n 11 годин тому +1

    Great content brother. Keep it up!🎉

  • @NebuChadNezzarKBDN
    @NebuChadNezzarKBDN День тому

    Been to these races many times. Such a visceral experience. Just some food for thought that blows my mind. Starship, Saturn V and similar burn around 40,000lbs of propellant a second. Which comes out to around 5000 gallons per second. Mind boggling.

  • @timedwards5294
    @timedwards5294 День тому

    Fantastic explanation of the engine and it's components.

  • @feelincrispy7053
    @feelincrispy7053 16 годин тому

    I didn’t really learn a single thing but I liked the video. Good work

  • @colehara
    @colehara 37 хвилин тому

    The smell of the burning nitromethane is true aromatherapy.

  • @markchapman2585
    @markchapman2585 9 годин тому

    NASA should try testing their equipment on top fuel dragsters. Awesome video cheers 🍻.

  • @gren509
    @gren509 День тому

    Fantastic facts and figures - thanks. If you've watched this video and not been to an event, then you owe it to yourself to have the experience - I promise you will NEVER forget it !

  • @UziMusic
    @UziMusic 2 години тому

    They have a doorslammer at Summernats in Australia doing burnouts and full tip ins, its less that half the output of a Top Fuel dragster i think and even then its insane..

  • @ickeyshufflin1288
    @ickeyshufflin1288 4 дні тому

    Great great video my friend! So interesting to learn about other types of Motorsports- especially these unhinged machines!!

  • @TheScottishbear
    @TheScottishbear Годину тому

    Brother, this is an excellent video. Subscribed.

  • @sk22ng
    @sk22ng 2 години тому

    All I can say is please attend one of these races to understand how violent these cars are going down the track. Make sure to bring in the ear protection along with over the ear protection. You will experience a total whole-body massage from the loud noise. Expect some periodic delays when the one out of four or five engines blow and

  • @KINGMUFASA
    @KINGMUFASA День тому

    Very cool representation. You deserve a million subs.

  • @wrigman
    @wrigman День тому

    Those clutches are predominantly made by one company. The man that owns it has a father that makes one of the best multiplate wet clutches for racing karts. I ran a KT100 cart back in the early 2000’s with that clutch. They have a high stall speed just like the drag racing clutches. Mine was set at 8,700 RPM. the engine only turned 12,500 RPM.

  • @crispyone2564
    @crispyone2564 2 дні тому

    That accord was clean

  • @pauljaworski9386
    @pauljaworski9386 2 дні тому +7

    I would change the NHRA rules. Top fuel and Funny car motors must last the whole race weekend. At least eliminator rounds. Maybe a 2nd motor for practice. To get things back to some form of reality

    • @LeeSchofield-gr4mq
      @LeeSchofield-gr4mq День тому +6

      You have no idea what your talking about.

    • @jasyamaha
      @jasyamaha День тому +1

      It's been done in other classes of racing.
      They used to make custom tyres almost daily in top F1 teams and motors that would only last 1 hot lap, 1 lap. 1500 hp 1.5 liter 1 lap motors. 40 years later and they all use the same tyres and are only allowed 3 engines per year. Lap times fall and the show goes on.

    • @joshreynolds729
      @joshreynolds729 День тому

      This is not f1 or any other kind of racing, but if you look at those who were affected, they run 1.5l baby motors now and are slower as mentioned above for the very reasons and logic this comment represents. This is drag racing top fuel 11k hp. Materials only last so long under extreme heat and cylinder presures that happen so fast. Cost would be astronomical to make it last ultimately adding weight. Also, these motors actually do last some all season with periodic checkups and rebuilds they dont just explode after each run. The issue is that the rotor packs get worn out after each run, and other items go out. So, to make an engine last is a waste of time at those power levels when you can just get 3 or 4 blocks and all the extra parts that are interchangeable and easy to do on the fly For the season. Your mindset is what complicates things that cost money and time plus will end up limiting power levels. We have the most powerful v8s in the world always has been like this so why change something that works fine? Don't you think Germany or any of the other makers would have tried to take our crown if they could after almost 100 years if it was possible? No, instead, they play in the lower efficient power levels and try to add electronics and tech to everything they make with baby v8s with 4 valves often end up in the shop even at the regular traffic level everyday customer with a sport sedan or a supercar. They roll race. See, the 2 valve push rod engines are still kings for making tq and for drag racing top the 1/4 mile. that's why it's still used today. Ever watch a Mustang launch that's a 4 valve no boost vs a hemi watch the immediate gap on the launch. That's the difference, and most of the time, the hemi car is heavier. The 4 valve design only starts to poor it on at the 1/8 where there is no glue limiting the power you can lay down safely. This is why mustangs get a bad rap the car wants to unload at higher speeds hence the reason they are called crowd killers. This design is not efficient in drag racing although there are work arounds to make it up to the max capability of the block which a high reving block that's aluminum and has small displacment isn't going to last and also not going to make more than 3000 hp. Which is only 25% of the needed power. Add cubes you say- well that would make the motor way wider they are already wide as is causing more drag and more weight just to make an unsafe car that unloads in the 1/8 and a slug on the hit causing death. This is why you don't see dohc nitro funny cars in drag racing that last and also the reason they don't mandate that u use expensive new aged tech.

    • @jasyamaha
      @jasyamaha День тому

      F1 cars were making 1000 hp per litre 40 years ago and GP bikes were making 400 hp per litre 20 years ago naturally aspirated on petrol. Now Top Fuel cars are making 1500 hp per liter on Nitro. GP bikes today make 300 hp per litre but are much faster as are F1 cars on "only" 600 hp per litre. The concept is not hard to grasp. Top fuel now runs 1000' as opposed to the original 1340' but no one is crying over that still. All we are saying is change can happen and a sport can progress, it happens. Personally I'm happy to see it stay in its current format. Here in Australia we still run 1340', I love it. I've been track side to all forms of motor sport for over 40 years, on land and in water, dirt, asphalt and air, all over the world. Top fuel is the ultimate engine in my book.

    • @joshreynolds729
      @joshreynolds729 День тому +1

      @@jasyamaha Right on brother I see what your saying. And oh yes a reduction from 1340 to 1000s certainly is a gripe all the same in my book. I also agree that they could progress the differences in the other sports is that they were drastically reduced forcing teams to find new ways to make power which is good as this tech trickles down however the issue is they are ever constricting so meaning your trading displacement in most cases for efficiency basically if you take all those tech advancements and lift the limit then we can see a real spectacle of engineering. But the issue lyes in money because nobody wants to spend that kind of money per a motor and at that speed you need a lot more power to gain as speed increases. They can't even utilize what they got on the hit as is so I feel that this along with the emissions crap will shit that down and even go the opposite direction if they had the chance down sizing just like the other sports did.

  • @carsondefa250
    @carsondefa250 День тому +1

    They don’t burn 11 gallons a second.. they only have a 20 gallon fuel cell and burn 17-18 gallons and that includes the burn out. You got some stuff right but other stuff you didn’t. The pump can possibly pump 11 gallons a second. If I continue this with be a long comment. If you all want to learn more go watch CLAY M. He has a UA-cam channel and just won the US nationals!! The biggest race and top fuel race in the world! Clay has really good videos. Clay is a top fuel driver and has been doing it for 26 years!!

    • @randywl8925
      @randywl8925 3 години тому

      I think he meant 11 gallons to run the 1000' race.

  • @AntonHoward-mx9sb
    @AntonHoward-mx9sb 8 годин тому

    In a fuel motor, not only do forged ally rods absorb a lot of the shock, conversely, titanium and steel rods can actually shatter under the percussive blow from igniting all of that literal rocket fuel.
    Ive around these things since I was eleven, I'm fifty seven now,and I still tingle every time I see a nitro burning car.

  • @adammiller6606
    @adammiller6606 4 години тому

    Johnny F1. Very well done and very astute. 💪🏾

  • @redneckhippiefreak
    @redneckhippiefreak День тому +2

    In my opinion, everyone that is a car, engineering or technical science fan, should go to a Top Fuel event. Its all there. However, it is one thing to try to explain the experience of standing 30 feet away from a stick of Dynamite going off but, with 8000 sticks of it going off, with an attached Doppler effect over 100ft..has no other comparison ..One Physically has to be there to experience it. Take note, Not only does the launch off the line shake your teeth,and guts, it will momentarily paralyze the lungs ability to function, They vibrate like the bags of air surrounded by mostly water, that they are. It makes one uniquely aware of their being.. Plus, You instantly understand why simply leaving the line in a Top Fuel car, will most likely make the average Citizen, "Black Out."

  • @jerrytredgett2182
    @jerrytredgett2182 11 годин тому

    Great video, very well done sir 👍👍👍

  • @loud_n_lowtaco200
    @loud_n_lowtaco200 10 годин тому

    Outside of extreme car stereo systems and large explosives, these are some of the loudest things you can encounter

  • @cranklabexplosion-labcentr8245
    @cranklabexplosion-labcentr8245 2 години тому

    I remember clearly hearing these things at Firebird Raceway from my elementary school….
    12 miles away

  • @jackwood2328
    @jackwood2328 День тому

    Good explanation.

  • @bruceheadley7191
    @bruceheadley7191 2 години тому

    Remember when 1,000HP for 5 seconds was the hot setup?

  • @localcrew
    @localcrew 4 години тому

    I like chainsaws - and top fuel dragsters! Just subscribed!

  • @criley2723
    @criley2723 День тому

    The engines get torn down every run, but not necessarily rebuilt every run. Everyone likes to regurgitate that. If the engines were truly rebuilt every single run, no one would do it, it would be way too expensive.

  • @Chip_in
    @Chip_in 4 години тому

    Thanks for adding in metric because imperial is just straight confusing for me 🤣⛳

  • @jeffj2495
    @jeffj2495 День тому

    Nice vid. Might have been better to show some of the used engines and the damage after they are used in a race.

  • @cas5247
    @cas5247 5 годин тому +2

    They need to get rid of the drivers and make them remote controlled. The driver does nothing and is deadweight. You could do all of it with a basic control and eliminate the egos and waisted safety cages.

    • @codymoe4986
      @codymoe4986 2 години тому +1

      You could say the same thing for literally every motorsport on the planet...pretty silly comment.

    • @cranklabexplosion-labcentr8245
      @cranklabexplosion-labcentr8245 2 години тому

      These guys are thrill seekers and daredevils. It’s their choice to drive, and they know the risks involved.

  • @Sir.VicsMasher
    @Sir.VicsMasher 3 дні тому +5

    0:48 "Drink over 11 gallons per second" That is so incorrect that I'm out...✌

  • @just_some_internet_guy
    @just_some_internet_guy День тому

    Nice work!

  • @alessandroditerlizzi569
    @alessandroditerlizzi569 2 дні тому

    I love when I watch a video talking/explaining something, and I already know what is said
    It makes me feel smart when in reality I'm not XD

  • @Loko-Diesel
    @Loko-Diesel 2 години тому

    Awesome video! Bravo 👏🏽 🤙🏽

  • @nadronnocojr
    @nadronnocojr День тому

    Dude, great video…..well done. Instant sub ………..

  • @frios011
    @frios011 3 години тому

    GREAT VIDEO!

  • @implyingishygddt9312
    @implyingishygddt9312 День тому

    interesting video, thanks

  • @scottannis2643
    @scottannis2643 4 дні тому +1

    Hey that's my video! 0:39

  • @somedude4805
    @somedude4805 День тому

    The bleeding edge of any technology is always going to be extremely fragile and sensitive to imperfection, sometimes to the point of catastrophic failure. That's just how it goes.
    "Sacrifices must be made.' - Otto Lilienthal, after breaking his back testing a personal glider design.

  • @bo-dine7971
    @bo-dine7971 День тому +1

    The supercharger taking 800 HP is at that specific RPM & drive pressure.. It doesn't literally take 800 hp to fricking crank it, lmao, any engine could drive that under an appropriate ratio..

  • @blingbling574
    @blingbling574 День тому

    At this level, not many owners drive their cars. At my level, every owner drives and sets up their car with no sponsorship. It's about the upper end of what a middle class guy can afford.

  • @JxH
    @JxH День тому

    Fuel Flow = You can't even kick over buckets that fast.

  • @scstudios8
    @scstudios8 День тому

    Its awesome to see live, but this is too dangerous for the drivers, we need to back this off a few notches.

  • @peterconlin9002
    @peterconlin9002 8 годин тому +1

    99% of this script came from an email forward that was going around 20yrs ago.

  • @wjspade
    @wjspade День тому

    8:03 So… when does the Wrinkle Wall video drop? 😁

  • @chrisvig123
    @chrisvig123 15 годин тому +1

    Does a rocket sled count as a vehicle? …because they are a LOT faster

  • @sergechelton4818
    @sergechelton4818 День тому

    top review...

  • @bg129
    @bg129 День тому

    that aint racin'-its something else-but it aint racin'. PERIOD

  • @TH-te6xb
    @TH-te6xb День тому

    Good video bytes. Too distracting watching you read your upper screen prompts tho.

  • @gregmorris2022
    @gregmorris2022 День тому

    Excellent video. Very well done.

  • @kennethcohagen3539
    @kennethcohagen3539 День тому

    Can compressed connecting rods be used in a street strip type engine after they’re have become too short for top fuel? It seems like a waste to scrap them, although some will bend and be unusable.

  • @kevinhofer2122
    @kevinhofer2122 19 годин тому

    Im like the title

  • @heinekenczech
    @heinekenczech 2 дні тому

    They are amazing. Great explanation!

  • @Thumper68
    @Thumper68 День тому

    Quick = Acceleration
    Fast= top speed

  • @rhollyday
    @rhollyday 2 дні тому

    Awesome!

  • @malakiblunt
    @malakiblunt 4 дні тому +3

    As the great \ colin chapman said - the perfect race car should disintgrate right after crossing the finnish line - if it doesnt it could of been lighter and faster - sadly Colins cars were famous for breaking before crossing the line .

    • @erikahuxley
      @erikahuxley 3 дні тому

      I don't think Jim Clark or the FIA agrees.

  • @teedermcdribble
    @teedermcdribble 2 дні тому

    Just the belt to run the blower is over $400 and it's only good for 2 runs.

  • @stevelennox8575
    @stevelennox8575 2 дні тому +3

    Where's the 50 gallon fuel cell located if it drinks 11 gallons /sec ? BS baffles brains ....

    • @kennetha6594
      @kennetha6594 2 дні тому

      This is like saying that the record breaking Bugatti Chiron didn't really break 300mph because it didn't cover 300 miles during the run.

    • @stevelennox8575
      @stevelennox8575 2 дні тому

      @@kennetha6594 Thanks for confirming my statement

    • @LeeSchofield-gr4mq
      @LeeSchofield-gr4mq День тому

      In the front of the car?

  • @Decki777
    @Decki777 23 години тому

    Is it possible make supercharger More efficient by using lighter materials ?

  • @horatiohuffnagel7978
    @horatiohuffnagel7978 3 години тому

    I know they have sponsers to afford a new engine every pass but not that many people watch it so why would sponsers sink money into Top Fuel teams?

  • @ighsaanlenders942
    @ighsaanlenders942 День тому

    Wonder how much faster and powerful they could be.... If the engineer's were fully unleashed... No rules 😁

  • @carls2354
    @carls2354 2 години тому

    a top fuel car burns about 15 gallons of nitro methane per run, 540 engine revolutions from light to light ?? You are refering to tire revolutions not engine rpm. fuel pumps are capable of pushing 90 gallons per minute at about 6,800 rpm

  • @nigel900
    @nigel900 8 годин тому

    A Rich 💸 Man’s game…

  • @bradkubota6968
    @bradkubota6968 9 годин тому

    Works out that a super car could hit the start line going 180 mph.
    Dragster goes at the same time from ZERO
    Just before 1000ft the Dragster would pass the car that is at 180 mph going??
    Almost DOUBLE!

  • @cuconatparfour665
    @cuconatparfour665 6 годин тому

    The more the power is equal to less reliability.

  • @johnmadsen5258
    @johnmadsen5258 День тому +1

    Rockets were the fastest race cars but were banned. Also, 8 G's? your exaggerating.

    • @carsondefa250
      @carsondefa250 День тому

      They hit 6 Gs about half way down the track.

    • @wizardflame6808
      @wizardflame6808 5 годин тому

      Thats because they were for the same purpose until they were banned. They never got to 8g they at most got to 6, and their take-off was slower and only managed to get in the 3s by their top speed.

  • @eamonahern7495
    @eamonahern7495 День тому

    Seems like a lot of time, effort, expense and wrecked components for races that last just a few seconds.

  • @thethrottlecracker
    @thethrottlecracker 10 годин тому

    You mean 12,000

  • @pafsrh4744
    @pafsrh4744 День тому

    i love it

  • @Sunspot-19
    @Sunspot-19 День тому

    No bloody wonder, you install a massive V8 in a shopping cart or wheelchair...

  • @TheHannukahZombie
    @TheHannukahZombie 2 дні тому +1

    They don’t pull 8g’s of acceleration, I think they’d pass out lol. It’s more like 3-3.5g’s.

  • @LionsTigersBears
    @LionsTigersBears День тому

    They melt

  • @hansjmo
    @hansjmo 11 годин тому

    Ok, i dont get this sport 😂 im a motorhead but this is silly 😅

  • @geoffgeoff143
    @geoffgeoff143 День тому

    Started to sound like a broken record. Git bored quarter way thru

  • @MatzeS-k8d
    @MatzeS-k8d 10 годин тому

    yesss❤🔥🔥🔥✨✨🫠

  • @greyadept
    @greyadept 20 годин тому

    this video is heavily plagiarized

  • @TheHannukahZombie
    @TheHannukahZombie 2 дні тому +1

    The diesel effect is also false, nitro doesn’t ignite through compression and valve head heat. They wouldn’t drop cylinders late into a run if that were true. This is an often quoted incorrect statement. Burning a plug isn’t uncommon and it definitely doesn’t cause the engine to run like a diesel, it can and does literally overwhelm the ignition system because of how much fuel they run into the cylinder.

    • @LeeSchofield-gr4mq
      @LeeSchofield-gr4mq День тому +5

      You don't know what you are talking about. The reason they run so much fuel is too keep the engine cool. Do you see a radiator? No you don't. The reason the engine doesn't overheat is nitro methane burns cold. You spray breakcleaner on your hands it's cold. The same principle applies. And yes there is a dieseling effect essentially. In your nitro powered rc car you had as a kid you start em with a glow plug once it's running it runs on its own no spark plug required. Learn before you comment

    • @WyFoster
      @WyFoster День тому

      You know they drop cylinders in a run from mechanical failures, right? Burned valves, melted pistons, broken ring lands, complete rod failure, and many more.
      Stop making up crap.

  • @808bigisland
    @808bigisland День тому

    Simple equation: 30hp per litre lasts >7000h. 1000hp per litre lasts 5 seconds at infinitely bigger r&d cost. The whole franchise is so dumb - I refuse to watch.

  • @adammiller6606
    @adammiller6606 4 години тому

    I love watching tires wrinkle. Woo!
    Kamala my friends. Why.?
    Cause Blue is Cool in 2024.
    That’s why! 🇺🇸

  • @glynndraper437
    @glynndraper437 День тому

    Great video

  • @andyschwarm
    @andyschwarm 18 хвилин тому

    And during that run, the motor only turns 500 or so revolutions. 3/60=.05 .05 x 10,000=500 revs.