Homemade DOUBLE GX200cc ENGINES !? 400cc 20hp

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  • čas přidán 20. 04. 2024
  • In this video we made a miracle!
    We combined two 200cc 6.5hp engines into one big engine with even 400cc and 20hp! Enjoy!
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    Max Tools: www.kozul.hr/en/services/max-...
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    My TikTok : / doctordsyoutube
    My Instagram : / doctords_youtube
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    Za poslovne upite: dadoskrbo16@gmail.com
    For business inquiries : dadoskrbo16@gmail.com
  • Auta a dopravní prostředky

Komentáře • 514

  • @DDC59805
    @DDC59805 Před 26 dny +6

    Odlicna stvar, eeee sad na to staviti turbinu :D

  • @user-sy6vq9ox9y
    @user-sy6vq9ox9y Před 26 dny +4

    Svaka cast ja bi mu stavio Hladnjak jer ima vise od 1 cilindra i sigurno ce se pregrijati

  • @MetalStrength-
    @MetalStrength- Před 26 dny +4

    Now we're talking, perfect job man, keep going ❤

  • @user-yv2dh8mc7x
    @user-yv2dh8mc7x Před 25 dny +4

    Svaka cast! Mislim da je mogao jedan prekidac da gasi oba motora, samo ih povezi zajedno.

  • @lise1255
    @lise1255 Před 26 dny +3

    Surprisingly great sound it makes 👍

  • @Rufusbully
    @Rufusbully Před 5 dny +2

    Masterclass! Very good bro!!! Greetings from Italy🇮🇹

  • @orginyigam732
    @orginyigam732 Před 26 dny +3

    How is it even possible.... Amazing.

  • @foxwhiskey
    @foxwhiskey Před 25 dny +2

    The whole building-process looks really very accurate.
    Congrats !😊 great job, nice vid.

  • @tkmad7470
    @tkmad7470 Před 4 dny +2

    Fun project! An elastomeric shaft coupler might make life a little easier on the engines as it dampens the impulses a bit.

  • @brenathedadal9929
    @brenathedadal9929 Před 13 dny +3

    Thanks verymuch for mechanic engine study.. success always Mr...

  • @liudon676
    @liudon676 Před 19 dny +4

    The ignition switches can be integrated as single one by changing the wirings. Great job!

  • @facereader99
    @facereader99 Před 12 dny +2

    Wow! That is a lot of work. Thanks to your ingenuity and hard work!

  • @vinniedurrant
    @vinniedurrant Před 16 dny +4

    That's sounds lovely! Good job 👍

  • @damnyiffers
    @damnyiffers Před 20 dny +5

    Hope you've staggered the ignition strokes. One engine needs to be exhausting while one is fueling or your gonna have one engine taxing the other

  • @miguelpagansr6128
    @miguelpagansr6128 Před 26 dny +2

    Nicely done doctor, can't wait to see what it's going into. You're an evil genius 😂.

  • @W3c16B
    @W3c16B Před 25 dny +4

    I would try two carburetters instead and you need to adjust them 100% precisely. I don't know where to get it, but many many years ago I tried to adjust doubble caburators using a vaccum measuring system, on Audi 80, on the fly on a highway, we meassured the vaccum at 120km/h because they didnt work even at that speed.. In short terms we drove 120Kmh, notiched the vaccum differiencies and stopped at nexe haigway exit, adjusted, drove again.. VERY interresting how a very small difference, could give a huge result in engine performance. We adjusted the nozzels with very small round metal files.
    If the engines are not running at 100% precise torch, one engine will have to use power to turn the other. It's difficult to explain, but if you think about it it actually logical,
    IF you use a single caburetter, the distance to each cylinder must be 100% the same, polish the tubes on the inside as mush as you can, and the same goes for the exhaust system ( maybe two exhaust systems are better?) if not same lenght, one cylinder will sort of block the other cylinders outlet a little. Finally you could try to adjust the angle between them, eventually 45 degrees, and adjust the crank so it "kooks" like a Harley? just for fun :)... or buy a 400cc engine instead hahaha

  • @YSLee-xg8eh
    @YSLee-xg8eh Před 23 dny +2

    Your dexterity is amazing.

  • @support2587
    @support2587 Před 17 dny +2

    Finally a way to max out my Harbor Freight wood chipper! Seriously, nice work.

  • @geo2cv6tron14
    @geo2cv6tron14 Před 26 dny +2

    Really really cool, looking forward to seeing what such an engine will be used for 🤩👍

  • @andybes237
    @andybes237 Před 24 dny +2

    You are such a clever young man.

  • @SteveTheCanadian
    @SteveTheCanadian Před 26 dny +1

    This is amazing! Well done

  • @clayhunna7357
    @clayhunna7357 Před 26 dny +2

    brilliant, well done!!

  • @kikilafrite09
    @kikilafrite09 Před 12 dny +3

    Do a double carburetor setup with a turbo charger, that would be your best bet at making powa

  • @ganprottas6259
    @ganprottas6259 Před 25 dny +2

    that is super cool! looking forward to seeing what it will power! perhaps an airplane?

  • @jaszvjoroh2077
    @jaszvjoroh2077 Před 25 dny +2

    It was brilliant.. bravo 👏

  • @user-dl9it3pf4b
    @user-dl9it3pf4b Před 22 dny +1

    absolutely awesome job.. now i have a project to do myself,,instant subscibed also . appreciate the posting. and ill go through your channel and check out other projects also . thanx again

  • @honeybadgeractual5734
    @honeybadgeractual5734 Před 21 dnem +2

    You should convert this to a draw through HCCI style engine, and use water injection just before the intake port where each case pulses it's own or each other's fuel pulse pumps, you may want to make sure the pumps will handle methanol or ethanol.
    Now you could use a butterfly as a throttle, and set it up to inject a small ethanol (vodka, 40% ethanol) boost each cycle.
    Homogenous charge carburetor runs better for a twin cyl than your carb, and the ethanol aka vodka injection system helps keep the engine clean, keep from overheating, and allows it to run very lean with less risk of issues, which is the main issue with HCCI carburetion.
    Could boost your low end torque and horse power higher, certainly will boost fuel economy.

  • @Jake-fo8xm
    @Jake-fo8xm Před 17 dny +1

    Your level of craftsmanship is incredible you make me want to get out in the shed

  • @hankcuccina5260
    @hankcuccina5260 Před 22 dny +3

    Very clever and very entertaining.

  • @TheRCAProgram
    @TheRCAProgram Před 26 dny +5

    now put a turbo on it

  • @gilbertoarturofigueroaarit6225

    You did an awesome job, you got a new subscriber here , I have to see the all videos from your channel

  • @leomenchey3726
    @leomenchey3726 Před 6 dny +2

    That was very cool I liked the build I would have put electric starter on the one and then I will use a Honda Key dignition but wire the kill into both engines so you didn't have to do the stop button twice

  • @stephen3727
    @stephen3727 Před 15 dny +1

    Great job for better than most people could ever think about doing

  • @victorriceroni8455
    @victorriceroni8455 Před 23 dny +2

    That is sweet. Some of the best fab on youtube.

  • @sindo7672
    @sindo7672 Před 13 hodinami

    one of the most bad ass inline twins ever! sounds crazy

  • @user-rj4qu8jf2q
    @user-rj4qu8jf2q Před 9 dny +2

    Thats amazing job

  • @ABT14.MF-000
    @ABT14.MF-000 Před 26 dny +1

    Un travail extraordinaire
    Vous êtes génie doctor
    Excellente modification
    Me5👍👍👍

  • @aklana96
    @aklana96 Před 24 dny +1

    Accurate number 99 top...thumbs up 100% cool my boss...extraordinary great

  • @dusanurosevic6067
    @dusanurosevic6067 Před 20 dny +2

    Perfect job!👋

  • @FrustratedBaboon
    @FrustratedBaboon Před 22 dny +6

    People stop comments of criticism of his work. He busted a theory every one of us had as a child growing up. I used to think if I could connect four of these I could make a car etc.. He just made a video to show it.

  • @bernaduskailemakurfishing

    Very genius, senior. I like your brilliant idea

  • @massimofusillo
    @massimofusillo Před 24 dny +1

    È fantastico vedere i tuoi video grande Doc👍💪💪💪

  • @elmarko9051
    @elmarko9051 Před 21 dnem +3

    Cranks are designed to carry power, among other things...would there be an issues with too much power snapping the crank if the motors are too heavily loaded?

  • @pyndapnk9466
    @pyndapnk9466 Před 24 dny +1

    Excellent job bro 👍👍👍👍

  • @lauriperamaki5354
    @lauriperamaki5354 Před 15 dny +1

    Amazing. With you skill you could make something even more incredible

  • @jamsvaganza5622
    @jamsvaganza5622 Před 15 dny +1

    Begitu banyak yang dipertaruhkan saat dua mesin dijadikan satu, tapi anda berhasil melakukannya, luar biasa👍👍🔥🔥

  • @Midnightrider773
    @Midnightrider773 Před 18 dny +2

    Very cool, your very talented 🔧

  • @benjamincresswell3713
    @benjamincresswell3713 Před 21 dnem +7

    When I was 14 a younger friend asked me to show him how to rebuild a small engine. So we got 2 Briggs and Stratton 3hp engines and pulled them apart. He did one, and I did the other. We did not bore them, just new piston rings, gaskets, spark plugs and cleaned everything up real nice. When done they both ran. Then I had 2 little 3hp engines that I didn't know what to do with. I had a Go-Kart, but it had a 5hp Briggs on it, so 1 puny 3hp did not interest me. Then I thought about combining them. I pulled the cranks back out and took them to school and in machine shop I threaded the outside of the pilot shaft for the recoil on one and inside the pto end on the other so the two crankshafts screwed together. I made up a common manifold and braised them together with something like Fonson or Phonson. ( I can't remember what it was, but it was not braising rod) When I got all done it worked and I really enjoyed the sound of a 2 cylinder engine on my Go-Kart. But, I got a lot of criticism for not timing the pistons. I had simply screwed the two engines together and wherever they were when it got tight was it. Some said the timing should have been so close that one coil could fire both for the most hp. Some said the two fought each other and it made far less than one by itself. Well, I had ridden my Go-Kart with a 5hp Briggs on it plenty, so I knew how much power that had, and I could dispel their criticism because my 2 engine Go-Kart had a lot more power than that single 5hp did. What do they say about proof is in the pudding? I had a lot of pudding time with my 5hp and this double engine had a lot more pudding. Also Too, I wonder: Did the engine in this video sound like an old John Deere B engine? I had a 2 cylinder engine on a two wheel walk behind tractor called a Standard Twin. BOTH PISTONS WENT UP AND DOWN AT THE SAME TIME TOGETHER. They fired alternately. It sounded perfect. I have had engineers tell me it couldn't have or it would vibrate itself apart. Well, somebody forgot to tell The Standard Engine Company of Minneapolis Minn. or just never bothered. Because they made a lot of them from the1930's to the 1950's and they didn't vibrate at all when running. John Deere I have read thought it would be too hard to balance their 2 cylinder engine if they had both pistons going up and down together at the same time firing alternately, so they did like the guy in this video. With the John Deere one piston fired at TDC while the other piston was at BDC so there were two power pulses 90°apart, then a long lag of 630°? ( something like that, do the math I may not have it right) until the first one hit again. What we hear at idle speed is the 1st one, it has to bring the engine speed back up from the long lag and pumping losses, and that makes the 2nd one inferior in sound, which is where they got the name "Johnny Popper.' Until the engine worked hard enough to have both power pulses working hard, to me, the John Deere B always sounded like it was misfiring. Hey, that was a long time ago and I'm gettin a headache from trying to remember it. ben/ michigan

  • @didierlucas9653
    @didierlucas9653 Před 12 dny +1

    Great work 👍

  • @HighTech.360
    @HighTech.360 Před 25 dny +1

    mass production machine, Fascinating! video!

  • @thorstenschreier7891
    @thorstenschreier7891 Před 24 dny +1

    Nice work.Have the same engine at home.Very interesting to me.

  • @chrisosti
    @chrisosti Před 14 dny

    I salute you! You, sir, are an absolute GENIUS!!!
    Now, you must follow the inventors rule...if one is good...two are better...if two are better...FOUR WILL KICK ASS!!!
    Get to it sir!

  • @35gilton
    @35gilton Před 25 dny +7

    The engines runs very well together!!! What is the next level.. Create an V8 engine out of single engines??? 👍

  • @cristianzarate3053
    @cristianzarate3053 Před 20 dny +1

    Un trabaho magnifico. Tengo un par de motores iguales. Creo que hare lo mismo. Me has inspirado amigo.

  • @theprisonernumbersix996
    @theprisonernumbersix996 Před 9 dny +1

    Tres bon travail , bravo !

  • @juankisaka
    @juankisaka Před 26 dny +1

    Muy buen trabajo👍🏼
    Has provado de poner los dos pistones arriba y alternar los tiempos?
    Felicidades👏🏻👏🏻

  • @fayegibbs8339
    @fayegibbs8339 Před 23 dny +3

    you should put 8 in a vee configeration

  • @habibunmazni154
    @habibunmazni154 Před 7 dny +1

    Nice job 👍 your are amazing pro boss

  • @gmoac
    @gmoac Před 20 dny +3

    love the sound

  • @simonallan9941
    @simonallan9941 Před 23 dny +1

    I bought one of those carburetors for my M120X 2stroke engine on my bicycle, but the choke doesn't stay on, was your one working properly when you got it?

  • @rubberduck4966
    @rubberduck4966 Před 21 dnem +3

    Having only one carburator you should use 360° as then the airflow is symetric to the two engines and therefore both engine-halves would produce the same ammount of power. At the moment you loose some power of the non-perfect airflow in the intake behind the carburator.

  • @TrungTheMaker
    @TrungTheMaker Před 14 dny +2

    you should totally build a double wide mini bike

  • @patrickzeus2444
    @patrickzeus2444 Před 20 dny +3

    Jeder Zylinder benötigt einen eigenen Vergaser, und auch einen eigenen Krümmer in gleicher Länge........😉

  • @aliensmith1862
    @aliensmith1862 Před 19 dny +1

    BRILLIANT I LOVE IT.

  • @stevangubik6668
    @stevangubik6668 Před 26 dny +2

    Svaka cast👌😎

  • @quadrant2005
    @quadrant2005 Před 24 dny +1

    i would be interested in seing this with the GX200 electric start conversion fitted to see if it would be able to turn over the two engines, nice work...

  • @speedybuggy1677
    @speedybuggy1677 Před 16 dny +2

    Very true work I give you five stars ⭐⭐⭐⭐⭐

  • @itsziya2969
    @itsziya2969 Před 26 dny +3

    Cool projekt, well done. But can you pls turbo charge this engine

  • @goranilic183
    @goranilic183 Před 26 dny +3

    Bravo majstore veoma mocno zvuci tvoj duo motor!😂
    Imam jedno pitanje kakvo izkustvo imas sa Einhell tp-cd 18/50 li-i baterijska srafilica, uzeo sam sebi jednu za kucne potrebe, pozdrav!

    • @StarDust-zo8gd
      @StarDust-zo8gd Před 26 dny +2

      Za kućne potrebe ili neke hobi stvari može proći, baterije im nisu nešto na kvaliteti..ali to je to..hobi alat.

  • @ngatiti3249
    @ngatiti3249 Před 19 dny +2

    Is The Best My Brother Good Job Suces for you

  • @user-bn4zx7qg2c
    @user-bn4zx7qg2c Před 22 dny +4

    The idea is good, but how long do you think the front crankshaft will withstand twice the load under load?

  • @mechanics9560
    @mechanics9560 Před 22 dny +2

    Nice idea build the gear box and I'm watching you

  • @KaapoLehtinen
    @KaapoLehtinen Před 26 dny +3

    You should use that in a go kart

  • @macduggi
    @macduggi Před 26 dny +2

    Are you May be Alien??? 😂😂😂 Amazing work, great. 💪👍

  • @user-dq4jk2dd3d
    @user-dq4jk2dd3d Před 17 dny +1

    Very good thinks way made mopars. 👍 motor pars. Neat. Stronger longer camshaft.

  • @qubrochanel1755
    @qubrochanel1755 Před 5 dny +3

    Top markotop masse.. buat aku aja kwk kwk

  • @mazdamaniac4643
    @mazdamaniac4643 Před 23 dny +6

    Spark plugs with multiple electrodes doesn't make more spark, it forces the ignition coil to work harder than it should because it's trying to drive two spark 'plugs' from one coil output.
    You end up with either multiple weak sparks per plug, or the spark becomes unstable and ignores one electrode completely at random. Just use single plugs for a strong consistent spark.
    You may also want to think about timing the crankshafts so they work together, therefore each engine fires 360-degrees apart. It'll smooth out the fueling through the carburettor.
    That'll result in more consistent firing, less vibration from a more balanced power delivery, smoother overall torque...all of which is ultimately more reliable and lasting fun.

  • @_CRAZY_-lt1vn
    @_CRAZY_-lt1vn Před 26 dny +3

    haha it sounds so nice

  • @user-jl8sy6mp7p
    @user-jl8sy6mp7p Před 21 dnem +1

    ❤Yes, you deserve to subscribe and publish this very wonderful video. Greetings to you from Arab Yemen

  • @manjulajagath8047
    @manjulajagath8047 Před 10 dny +1

    Good job 🎉

  • @horstszibulski19
    @horstszibulski19 Před 25 dny +1

    Just get a "Y" spark cable and get rid of the other coil, the piston that is at bottom dead centre gets just a waste spark, but you minimize the hassle with two sets of spark contacts etc...great job, the decision against the governor and for a bigger carb will pay out...
    😉👍👍

  • @brunohortencio4951
    @brunohortencio4951 Před 25 dny +1

    Bruto demais Slk 🔥

  • @CakMadHudiLamongan
    @CakMadHudiLamongan Před 20 dny +2

    Good idea 👍👍

  • @arthurdombroskie3083
    @arthurdombroskie3083 Před 25 dny +3

    Try the crankshaft 270 degrees apart

  • @asephonex
    @asephonex Před 21 dnem +1

    Nice idea 👏👏👏👏👏

  • @juwain3
    @juwain3 Před 16 dny +1

    your damm good ! nice job

  • @TheOriginalAndysGarage
    @TheOriginalAndysGarage Před 13 dny +1

    I can see your welding skills are about as good as mine

  • @simonallan9941
    @simonallan9941 Před 23 dny +2

    Maybe you should have had both pistons at the top like my Yamaha 650 twin 🤗 makes it sound like a Triumph 😮, that is one exhaust and one compression stroke.

  • @etyrnal
    @etyrnal Před 23 dny +5

    I watched this entire video just hoping and waiting for the point where the turbo was going to be installed but it never

  • @AdelinoGambiarras
    @AdelinoGambiarras Před 21 dnem +2

    That's awesome 👌 where you to use it for?

  • @tiborgarage
    @tiborgarage Před 23 dny +1

    Brutalno extra posao svaka čast e sad to treba stavit na neki karting

  • @Ki_mieY
    @Ki_mieY Před 21 dnem +3

    2 switch kill 😮. Better convert to 1 switch on off power

  • @coreysmith2774
    @coreysmith2774 Před 22 dny

    My idea has always been to make an engine mounting plate for however many engines you want (2, 4, 6). Instead of physically connecting the engines, they would each be connected by chain and a centrifugal clutch to a shaft mounted to the bottom side of the engine plate with pillow block bearings. The bottom shaft would act as a crankshaft in a sense, but you could run however many engines you wanted based on the centrifugal clutches.

  • @YTRYGamingTripZz
    @YTRYGamingTripZz Před 21 dnem +2

    Just going to put it out there but mounting 2 10hp motors together isn't going to push 20hp it'll probably be pushing 12-14hp at max, but Torq would be more of an advantage.

  • @ekojacharles8077
    @ekojacharles8077 Před 16 dny +2

    Excellent❤

  • @Pleksilasi
    @Pleksilasi Před 11 dny +2

    I'm telling you : it sounds 100% like a harley davidson xDD

  • @user-il8fb9fp6w
    @user-il8fb9fp6w Před 23 dny +2

    Hey, man.Where did you get that tap set

  • @Yummyfood98725
    @Yummyfood98725 Před 2 dny +4

    Twin turbo 😊

  • @namngothe2060
    @namngothe2060 Před 24 dny +1

    I really like your videos, your work is very good. Great health and skill training. You are truly a genius. I bought a new one from China which is cheaper💯💯💯💯👍👍👍🙏

  • @vladim473
    @vladim473 Před 26 dny +2

    Привет!интересное решение,лайк 👍.это будет новый безумный картинг?