WE BUILD THE WORLD’S ONLY 12 ROTOR

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Rob Dahm

Rob Dahm

9 місяців тому

Thanks to Keeps for sponsoring this video! Head to keeps.com/robdahm for a special offer.
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КОМЕНТАРІ: 3 500
@richierich2353
@richierich2353 9 місяців тому
joel is such an important member of your team. he films everything, and at the same time pays attention to everything an picks up mistakes.. all while fliming...great work dude
@squidikka
@squidikka 9 місяців тому
That and he asks questions or makes observations about stuff that a normal person not really deeply knowledgeable about this stuff would ask which helps people like me.
@Ebb1337
@Ebb1337 9 місяців тому
Joel is the man !❤
@joebeezy9471
@joebeezy9471 9 місяців тому
Press F to pay respect for the snap-on socket. F
@jameshatton4405
@jameshatton4405 9 місяців тому
I was only thinking that exact thing; when Joel mentioned about tightening the bolts via the holes in the gears by slightly turning the motor over, and Rob unsure what they were going to do? Joel was actually a step ahead everyone.....he was already thinking about how to solve that problem before they got to it! 👍 I kinda think this way when ever I'm working with someone even working on something I'm not an expert at? What I mean is, that Joel has a very good spatial memory and he can visualise everything in 3 dimensions to solve things? Where other people might rely (not saying Rob here I'm generalising) calculations, Joel is picturing everything inside the mind 😉 So taking this all the way back to Joel's beginning, I have to hand it to Rob for hiring a media and camera guy that goes above and beyond his job! Now think about how many other UKpostsrs are out there and all of their media/camera guys? What are the chances of getting someone like Joel? He's literally a 1 in a million..... So that comes down to Rob's discernment during interviewing👌 and that's something I struggle with? So I'm going to say congratulations right here and now and we haven't even heard it run yet, but after watching this video and everyone working together....I have confidence that this is going to all turn out great! 👌 Oh one last thing, congratulation to Tyson on the entire construction of the 12 rotar because he did what 3-4 people did today having had no or minimal rotary experience prior! That's just kind boggling to consider...... And fuck me dead the precision of the E-shafts is just perfection 😲 Can't wait to hear first start!
@JohnSmith-mt8fd
@JohnSmith-mt8fd 9 місяців тому
Yeah, but never picked Dahms oil hand though..
@DOITWITHDAN
@DOITWITHDAN 9 місяців тому
Oh Man This is gunna be a goood watch
@tankman1930
@tankman1930 9 місяців тому
Hell yes. like like looking at an art piece and raw power. Like a Japanese style v8, but much spicier.
@snipinmonsta
@snipinmonsta 9 місяців тому
gonna be ignent
@davidshaw164
@davidshaw164 9 місяців тому
I’m glad daddy Dan loves rob!
@Unlucky_831
@Unlucky_831 9 місяців тому
Oh no it’s the schizo 😭😭
@Sm0k3y707
@Sm0k3y707 9 місяців тому
Aye bro, youtube is doing you dirty… I haven’t seen one of your videos pop up in my recommended feed since you bought that ambulance..
@de-bodgery
@de-bodgery 5 місяців тому
What happened to this engine?
@stephenskierski5633
@stephenskierski5633 3 місяці тому
I am not an engineer or an engine builder I am a Machinist. This engine that Tyson and his team created is an absolute masterpiece. I have watched all of these videos from beginning to end, I have been extremely fascinated not only with your knowledge but the inner workings of such a unicorn. You should create a TED talk about this rebuild once everything is said and done.
@imsatanscott
@imsatanscott 9 місяців тому
Man. I've been a machinist nearly 30 years and this is an absolute marvel. Can't wait to hear it!!!
@jerryrennfahrer5589
@jerryrennfahrer5589 9 місяців тому
the mix of our 2 worlds weve always thought of as were makin parts lol.
@Q-nt-Tf
@Q-nt-Tf 9 місяців тому
you'll never hear it. that dude is just a youtube grifter doing it for "the content".
@soulreaper359
@soulreaper359 9 місяців тому
@@Q-nt-Tfclearly don’t know rob then.
@chun2s
@chun2s 9 місяців тому
​@@Q-nt-Tfget tf out of here , you saw the engine was spinning really smoothly , that means that it will work .
@mohdhilmi4331
@mohdhilmi4331 9 місяців тому
​@@Q-nt-Tfokay just wait and see bruhh😏😏
@GTrainRx7
@GTrainRx7 9 місяців тому
The attention to detail is INSANE. Props to Rob for that, AND for finding the issues that most people would have missed. Damn, you are good!
@austinfleck8664
@austinfleck8664 9 місяців тому
Dahm*
@zachc2991
@zachc2991 9 місяців тому
@@austinfleck8664 Thank you for your service
@DerekSmith816
@DerekSmith816 9 місяців тому
That level of detail is necessary for such an enthusiast level of perfection for an engine like this. He knows what he's doing and we need good technicians like that.
@connoisseuroftigolbitts
@connoisseuroftigolbitts 9 місяців тому
Where’s the 12 rotor dahm? 😂
@Dave-ohhh
@Dave-ohhh 2 місяці тому
Just put the dahm thing together already this was 7 months ago and I bet he still don't have it built yet
@UnfriendlyGarage
@UnfriendlyGarage 9 місяців тому
Watched the whole thing, I can’t wait to see this thing run again. Also if im torquing a ton of bolts in a few different sequences, I like to use different paint color sticks to make a witness mark after I torque each one.
@ProperMethodz
@ProperMethodz 5 місяців тому
I can't wait to hear this thing.
@bobg3034
@bobg3034 9 місяців тому
Rule of thumb with O-rings is if what ever your sealing has pressure in it the O-ring fits tight to the out side if it has a vacuum the O-ring fits tight to the inside. That way the O-ring can't move and deform.
@DaftFader
@DaftFader 9 місяців тому
That's with the pressure/vacuum on the inside, with pressure/vacuum on the outside it's reversed. ;)
@dylanzrim3635
@dylanzrim3635 9 місяців тому
@@DaftFaderthats the same as inside-out vs outside-in
@DaftFader
@DaftFader 9 місяців тому
@@dylanzrim3635 It's actually a really important distinction depending on where there is pressure and where there is vacume specifically and if you are trying to keep pressure in or out, or vacume in or out. That is if you don't want your O rings to collapse when you're trying to keep oil pressure from the open oil pockets behind the steels from getting into your coolant line because you put the O rings on the outside of your coolant seal groove because "pressure = seals on outside" when the pressure isn't coming from inside the line pushing out, it's coming from outside pushing inwards and would crush the seals if put on the outside of the groove as OP sugests, getting oil into the coolant lines. Think about it in the actual application in this engine. 😉
@BearAerospace
@BearAerospace 9 місяців тому
The even better rule of thumb with o-rings is just do exactly what the Parker o-ring manual/bible says.
@kasuraga
@kasuraga 9 місяців тому
@@BearAerospace and dont forget to check McMaster-Carr if you need to order orings with specific dimensions and materials. Was a god send back in my paintballing days
@mickfitz76
@mickfitz76 9 місяців тому
I've never experienced a video an hour and twenty minutes long feel like 15 mins. I want more
@karolwojtas4085
@karolwojtas4085 9 місяців тому
true
@devilzcorpz8572
@devilzcorpz8572 9 місяців тому
better than 95% percent of modern movies...im on the edge of my seat waiting for this project to have another video come out
@kevingollner552
@kevingollner552 9 місяців тому
i swear it was only 20 mins. not till i saw this comment did i realize. wow
@Robb03
@Robb03 9 місяців тому
Legit, I thought wow so long, I won't Watch all of it, but found myself wishing it wouldn't end
@Cereal_Killr
@Cereal_Killr 6 місяців тому
When you build up and tear down a motor hundreds of times... It's amazing how you slowly become a master of said engine type! Your knowledge of the Rotary has become outstanding! ....Legend in the making we see here. Pretty cool!
@deanwaring6100
@deanwaring6100 9 місяців тому
Incredible work taking on this engine..... I hope you can get it running sweetly 😊
@RhoadsChristopher
@RhoadsChristopher 9 місяців тому
I love that Isaiah started doing fab work and now he's basically a pro at assembling rotary engines.
@heisenberg19989
@heisenberg19989 9 місяців тому
resourceful people diversify based on need rather than a certificate... this is what i learnt living on the shop floor means
@alksdng97834y
@alksdng97834y 9 місяців тому
God I love Rob Dahm content, literally wait for it daily, and am more excited for it than any other content.
@estebanmata1251
@estebanmata1251 9 місяців тому
I do the same thing, Rob’s content is quite amazing. I always try to learn more and more from rob, hopefully I’ll build a rotary soon and will definitely be following Rob’s recommendations
@NovaRedHead
@NovaRedHead 9 місяців тому
​@estebanmata1251 I'm not planning on ever building one but I watch with the same fascination!
@ianmankersen
@ianmankersen 9 місяців тому
Same.. I do like Alex at legit street cars too.
@johnm1008
@johnm1008 9 місяців тому
The is literally the only hour and a half long engine build video I would ever watch
@can_with_beans
@can_with_beans 9 місяців тому
Same, this is literally one of the very few channels I have the notis bell on for. It would be cool if he started premiering videos so we could sit and wait while hyped for new vids lol
@bengepp9314
@bengepp9314 9 місяців тому
Im anticipateing the worlds 1st Rotary powered Kenworth , Nice 👌🏼
@bengepp9314
@bengepp9314 8 місяців тому
@OfficialRobDahm I don't discuss anything with PARASITES
@thegingergiant814
@thegingergiant814 5 місяців тому
Thank you very much for always staying consistent with the content you produce. Everyone gets big and then goes mainstream content only. Just wanted to leave this comment as a thanks for being the guy that has and will continue to explain everything in a light but serious manner as well. Keep doing great things and I can’t wait to hear the 12 rotor start up!! Have a great day, get some rest. You all definitely need it after building this beauty of an engine.
@dayton191
@dayton191 9 місяців тому
Rob I've been watching your videos since about 2014 and I gotta say you have an incredible way of steadily increasing your entertainment value without adding stupid gimmicks. I love how you're constantly learning more and pushing boundaries in the rotary space and bringing the viewers along with you. As an engineer I really appreciate all the technical details in these videos and I love watching the progression of your knowledge and expertise of rotary engines!!
@Y2BiT
@Y2BiT 9 місяців тому
Same thoughts, couldn't have said it better
@jamesdash1906
@jamesdash1906 9 місяців тому
I don't know what is more amazing,that fact that someone figured out how to make a motor like this or the fact you (Rob) can figure out how to rebuild it and make it better !!!!!!!
@gavin__
@gavin__ 8 місяців тому
Props to whoever edited this, you did a great job
@StupidFastJohn
@StupidFastJohn 8 місяців тому
Definetely saw something epic like this coming from you over the years. Your engineering knowledge has always taken me back, not many brains out there like this 🤙
@zzzzzsleeping
@zzzzzsleeping Місяць тому
I watched the whole thing. Was like reading a bible.
@Dappersworth
@Dappersworth 9 місяців тому
You could make a convoluted exhaust system to make it sound like every rotor is firing at a different time, would be kind of difficult but I'm confident tig daddy could make it in two afternoons and 17 red bulls lmao
@99milesaway41
@99milesaway41 9 місяців тому
Man, that would sound absolutely insane, I'm with you, they should do that...
@Lucidbkeo
@Lucidbkeo 9 місяців тому
I understand that this thing has gobs of power but an unequal length header like that would be pointless, this thing is supposed to be top tier, the best a rotary could ever be. it needs equal length headers.
@izzyplusplusplus1004
@izzyplusplusplus1004 9 місяців тому
Even without that, double 18 combustions per full revolution is going to be absolutely insane no matter what plumbing he puts on the exhaust flow side. I love this whole project.
@i64fanatic
@i64fanatic 9 місяців тому
It'd be a shame not to make the exhaust sound as sick as possible
@rhysbertrand8903
@rhysbertrand8903 9 місяців тому
At 1500 rpm that's 18'000 firings per minute, which is 300 firings per second. You wouldn't hear each exhaust note firing individually.
@3089io
@3089io 9 місяців тому
An engineering problem that is just always something I have avoided is custom o-rings. Like it's never been important enough for me to even think about looking it up but now seeing that roll and hearing the words "primer and glue" I suddenly have the ability to solve problems I couldn't solve before. Thanks.
@rhyangibson4
@rhyangibson4 9 місяців тому
Most conveyer belt company's can create custom o rings for fairly cheap.
@alabaska182
@alabaska182 9 місяців тому
It's fairly inexpensive to do vulcanization as well which is the best method to use for custom o-rings on the fly. I've used this when designing prototypes.
@evanchi9460
@evanchi9460 9 місяців тому
Purchase Viton gasket rolls of whatever diameter necesarry, cut them square and clean with a razor, and super glue together. We use these regularly in custom gaskets for some window plates operating in industrial chip oil fryers. (400⁰ish @40psi.)
@3089io
@3089io 9 місяців тому
@@evanchi9460 excellent. Thank you!
@evanchi9460
@evanchi9460 9 місяців тому
@@3089io Didn't get to the part in the video where he basically covered exactly that, but it's certainly more common than I used to think!
@Jamie06340
@Jamie06340 4 місяці тому
I work on cars all day. It nice to watch somebody work on an engine. That actually knows what they're doing. Great job, bro! It's the little things like hand sanding apex seals that shows the great workmanship you have👏👍
@Comin_at_U_Live
@Comin_at_U_Live 7 місяців тому
What a beautiful piece of art.. no reason why this couldn't be in any museum on the planet.. just gorgeous 🥰🤩🎉❤
@brettyh1
@brettyh1 9 місяців тому
Hey Rob we can really tell you invest back into your channel by doing absolutely mental stuff like this. Thank you
@RoBert-ix6ev
@RoBert-ix6ev 9 місяців тому
What task to do, what a quality show to watch!!! Thank you! At 1:02:22 I hope you noticed that piece of sleeve(or whatever it is in english...) before crushing it... Again, thank all of you guys for having us along!
@Evangesmellon3plus1
@Evangesmellon3plus1 9 місяців тому
The crooked dowel pin?
@Stevo1361
@Stevo1361 9 місяців тому
Ouch!
@RoarFossdal
@RoarFossdal 9 місяців тому
I dont think it would have gone down if they haven't re-placed it, but it looked really scary 😮
@joel8230
@joel8230 9 місяців тому
You can see in the last frames that the guy on the left notices it and Rob bends over to look at it
@RoarFossdal
@RoarFossdal 9 місяців тому
Watched it in 0.25x, saw it clearly now
@henrykoplien1007
@henrykoplien1007 8 місяців тому
At this point in time it is just a fine piece of art about mechanics. Can't wait to see it running
@bryanp4827
@bryanp4827 9 місяців тому
OMG! Only just discovered you had this masterpiece Rob, and CANNOT wait to see more this journey with you guys! AWESOME!👍👍
@albonfilms
@albonfilms 9 місяців тому
Rob, you are an absolute animal! Great work by you and your team. This was by far the coolest automotive feat done on UKposts in perhaps forever, and it makes me so happy to see you pushing yourself and the industry.
@iamarawn
@iamarawn 9 місяців тому
Rob is a madman as usual. This is some seriously beautiful work. Almost halfway in and i'm so so excited for this. 12 rotors, come on, this can't be real.
@landrelarose745
@landrelarose745 9 місяців тому
Hey man, it's real. You most assuredly watched the video. Yes, I know why you typed that. It's quite difficult to believe that there's a twelve rotor rotary engine and that Robert Dahm is actually building it. It's quite amazing how much dedication he has for rotary engines. He possibly has as much knowledge as rotary engine engineers do.
@swandos2861
@swandos2861 9 місяців тому
The firing order along is a thing of beauty, having done stress analysis of rotary’s, forces acting in that thing will be insane
@landrelarose745
@landrelarose745 9 місяців тому
Yes, it's a torque monster. There's no doubt in my mind about that. As you know, it's the first and only twelve rotor rotary engine. Do any of you who read this know how much twist it will produce?
@anthonygibbo1881
@anthonygibbo1881 9 місяців тому
Let's take some hats off to the guys that MADE it 1st and it's like this was meant to be, because with robs mad scientists type love for rotary it is just great, that we get to witness rob build it, shout out to you rob and the team, this is going to be something very special 👍🏼🙏
@cuddebackfamily9479
@cuddebackfamily9479 8 місяців тому
You talking and explaining everything made this video so perfect. Very interesting even for me know nothing about rotary.
@67F3camaro
@67F3camaro 5 місяців тому
Very satisfying seeing something like this come together. Very exciting seeing it come together. Cnt wait for the next vid. Keep it up guys💯👍
@SirBrian8492
@SirBrian8492 9 місяців тому
My only regret about seeing this now is I know i'm gonna have to wait A WHILE to see them finally start this thing up
@MazdaMotion
@MazdaMotion 8 місяців тому
Thanks! Almost watched it but read the comments first and you confirmed my suspicions 😂
@user-vh9rk6lm3w
@user-vh9rk6lm3w 8 місяців тому
@@MazdaMotion😅?已弓 9:38 柜屬
@TheOpacue
@TheOpacue 8 місяців тому
When's that happening then? :O
@bullhead360
@bullhead360 8 місяців тому
You know there’s a video of this thing running?
@whitevortex
@whitevortex 7 місяців тому
@@bullhead360im sorry where in the hell is that video?
@jacobtapanes8244
@jacobtapanes8244 9 місяців тому
Rob Dahm is the only guy who can have me watch a whole hour and a half video😂
@DanielNagy-ro4dq
@DanielNagy-ro4dq 9 місяців тому
it doesnt even feel like its one and a half hour
@jessiebrader2926
@jessiebrader2926 9 місяців тому
He had me well hooked until the Hair Loss promotion! Good night.
@scottdotjazzman
@scottdotjazzman 7 місяців тому
Dunno man, The Car Care Nut is right up there for me.
@DAV4WSR1
@DAV4WSR1 9 місяців тому
it's so crazy and fabulous, well done for getting into it, can't wait to hear the engine roar!! and to see it in a rolling chassis, it could win speed records with a good, very long gearbox
@heegj
@heegj 8 місяців тому
this video is just sooooo dense, and everything is interesting. you have a great tallent in explaining!
@TowerCrisis
@TowerCrisis 9 місяців тому
Rob, is the gear spline also 60 teeth? If not, then you have a certain grandularity of adjustment. For example if it had a 60 tooth gear and a 60 tooth spline, then yes you would only be able to clock it by 6 degree increments. However, if it has a 60 tooth gear and a 40 tooth spline, you can clock it by 0.15 degree increments by changing tooth position of both the gear and the spline. The best combination would be a 60 tooth gear with a 59 tooth spline. That way you can clock it by 0.1017 degree increments.
@kasuraga
@kasuraga 9 місяців тому
Yeah, it looked like he was so focused on making the holes line up at TDC on every rotor instead of taking into consideration the fact that with two different spline counts, you have a LOT of adjustment in the gear timing by not caring about the overall position of cosmetic details like those holes. I learned that a LONG time ago that you could do that with gears. Instead of rotating the object you want properly timed and pushing it out of time, you keep rotating the gear till the teeth properly line up with your desired timing.
@harryhollaway
@harryhollaway 9 місяців тому
I found you from the first 12 rotor video and have since watched your entire journey. Absolutely loving this now
@podulox
@podulox 9 місяців тому
!! NEAT HUh !!?? !!
@narrowgoat-scout
@narrowgoat-scout 8 місяців тому
Soo much enthusiasm in this workshop 🙌 👏
@lukebrennan5780
@lukebrennan5780 7 місяців тому
Ethan designing the manifolds! Very cool. Triple turbo's will be impressive.
@ThatHoodlum19
@ThatHoodlum19 9 місяців тому
This is such a good watch. You can tell that Rob is LOVING the puzzle of the 12 rotor. I can't wait to see it fire up and hear it and all the learning that will come from trying to get it running good, both in tune and actual component health. Good luck, Rob. You got this!
@scoo73r
@scoo73r 9 місяців тому
His machining work on those splines ( and everything else) is so impressive!
@davidmorin9198
@davidmorin9198 8 місяців тому
So much good work on it ! Keep going guy’s
@BattlingWarrior85
@BattlingWarrior85 8 місяців тому
That is awesome, cannot wait to see it assembled
@nottherealjk
@nottherealjk 9 місяців тому
Couple things, have you guys ever thought of investing in an ultrasonic cleaner? I feel like it would be so handy for those small seals and springs. Also, you can't just tease us with that engine like that!
@nickkuhlmam1336
@nickkuhlmam1336 9 місяців тому
they really are not that expensive either
@SilvaDreams
@SilvaDreams 9 місяців тому
@@nickkuhlmam1336 Nope they are fairly cheap even for an industrial sized one he'd need for doing parts but it would help clean up those parts and get rid of all that carbon build up from the oil burning and oil on/in them
@gmailisaretard
@gmailisaretard 9 місяців тому
This is literally insane, you guys are amazing for going through this entire motor and making sure everything is dahm near perfect.
@tanyav7888
@tanyav7888 9 місяців тому
With dead 💀 blow hammers 🔨 and 3 foot long cheater bars!
@chun2s
@chun2s 9 місяців тому
​@@tanyav7888that is how you assembly every single engine , even Steve Morris that has 40 years doing it , do it .
@jesuschristiscallingyou953
@jesuschristiscallingyou953 9 місяців тому
This was so satisfying to watch! Rob would say something and I'd internally agree even if I had no idea. If he says so, then yes, ha-ha! He's the rotary engine expert!
@philiplytle
@philiplytle 9 місяців тому
insane doesn't even begin to cover this build! so looking forward to the next step!
@DjSiN71
@DjSiN71 9 місяців тому
This was worth the wait. Boy, what a mammoth task. Full respect to the team.
@jeremycartier7760
@jeremycartier7760 9 місяців тому
Next thing you know Rob is going to make his own one fixing the issues this one has 😂
@xfrostyresonance8614
@xfrostyresonance8614 9 місяців тому
I mean he DID kinda say that's the plan
@josemartinezfumado3240
@josemartinezfumado3240 4 місяці тому
I love it....really fine team of mechanics doing excellent engine assembly...I like how they adapt the seals with loctite......very interesting
@mikemartinez661
@mikemartinez661 9 місяців тому
This is gold man I’m about to binge watch all of this.
@sunshine3x3
@sunshine3x3 9 місяців тому
I was just saying to myself yesterday, "It's about time for another Rob Dahm video." Vicariously living my dreams through these videos, keep up the great work Rob!
@bryanrussell6679
@bryanrussell6679 9 місяців тому
I've always been more of a rods & pistons kinda guy, but that 12 rotor is mighty impressive. I hope it performs as good as it looks. BTW, I thought timing a DOHC engine was a pain in the ass. I can't complain about that now, lol.
@patrickmcdonald3427
@patrickmcdonald3427 9 місяців тому
Same here! I play w/ Caddy 472/500's.
@s4ss.m8
@s4ss.m8 9 місяців тому
I'll never complain about building a Barra motor again 😂
@wesman7837
@wesman7837 9 місяців тому
Right? I was wondering how they are going to time this thing, is it going to have 3 coils, and 3 distributors? This engine is wild!
@bryanrussell6679
@bryanrussell6679 9 місяців тому
@@wesman7837 I haven't seen a distributor since the 90s.
@TysonGarvin
@TysonGarvin 9 місяців тому
@@wesman7837it will have 24 ignition coils.
@alderpet7986
@alderpet7986 9 місяців тому
Can't wait to see what vehicle you put this into and how it sounds and preforms
@QuantumKatmusic
@QuantumKatmusic 8 місяців тому
You got balls , this is a level of challenge I'd never attempt to do with any project, that's a one of a kind project , and your willingness to attack it isn't something to take lightly This is the kind of thing that reminds me that, as human beings, the stuff we are capable of is By the way, it looks absolutely incredible, can't wait to see it fired up😊😊😊😊😊😊😊000😊ⁿ⁰
@poopmcgee2410
@poopmcgee2410 Місяць тому
At this point, yeah it's ambitious but let's be honest it's about money more than balls
@jeremymann8930
@jeremymann8930 9 місяців тому
I am completely in awe of this, the attention to detail and the explanations are amazing. Thank you Rob for sharing this piece of automotive history with the world you are a top shelf guy
@heisenberg19989
@heisenberg19989 9 місяців тому
fast boat history ....
@danman2001
@danman2001 9 місяців тому
First time ever watching a rotor engine being assembled, and it's the only 12 rotor in the world. Epic.
@Dstructeur1
@Dstructeur1 8 місяців тому
There’s a few other actually or used to be a few years ago, you can find some videos. Nonetheless a stunning project !
@xFR34KEEx
@xFR34KEEx 9 місяців тому
Been waiting for this! Too many of my own projects taking my time. Amazing!
@FFandMTG
@FFandMTG 6 місяців тому
Videos like this expose how little I know about cars/building engines lol. The thought process alone for the Eshaft setup just blows me away.
@cutegamerboy
@cutegamerboy 9 місяців тому
12 rotor motor would be the ultimate test bed for rotary parts, being able to do side by side comparisons on all the different seals and that’s so cool
@baribari600
@baribari600 9 місяців тому
that's a terrible idea
@gtray7
@gtray7 9 місяців тому
@@baribari600it’s a good *idea* but not well thought out. The 2 rotors make the best test beds. Easier to test ideas and experiment with materials and configurations. There is a reason why Rob tries things on the 2 and 3 rotors before they show up in the 4 rotor.
@baribari600
@baribari600 9 місяців тому
@@gtray7 you don't use a one-of-a-kind engine that had to have costs hundreds of thousands of dollars to build (and "days" to assemble) to test $200 apex seals. that's just silly.
@ArchimedeanEye
@ArchimedeanEye 9 місяців тому
No. The heat generated from this engine is not representative of a typical engine.
@swankshire6939
@swankshire6939 9 місяців тому
Umm that's a terrible use case for this engine. Basically everyone in the world starts with the least amount of cylinders if they can. Keep it simple.
@crazyk_5902
@crazyk_5902 9 місяців тому
You started turning the un oiled bearings and it started bellowing like the beast of an engine it is. Truly a masterpiece, thank you for sharing your experience and knowledge with us 😂
@b.d.ericksonii203
@b.d.ericksonii203 6 місяців тому
2 million views shows how much we love rotary and respect you. I have a question that haunts me. Why doesn’t anyone make a larger displacement rotor? We are locked into the Mazda sized rotor for everything. Why not make a rotor with more displacement? I have a feeling you may know.😊
@maislongluuc230
@maislongluuc230 9 місяців тому
The work done on it is such amazingly big
@TheSecondHandShooter
@TheSecondHandShooter 9 місяців тому
"This will be a very compact video"......1hr24mins later........love you and the teams work Rob
@halofreak1990
@halofreak1990 9 місяців тому
Well, it's compact compared to the amount of work they put in. Wouldn't be surprised if this video contains 3 full days of work on that engine
@alexjanito3404
@alexjanito3404 9 місяців тому
The ability to understand and retain the unbelievable amount of math and geometry that make this whole thing work is just astonishing
@tomstclair961
@tomstclair961 5 місяців тому
I've never seen the guts of a rotary engine. This beast is a feat of machining. OMG!! The amount of springs and seals along with the complexity of this high rpm crazy engine is mind boggling. Great video. Can't wait to see this monster run . I've driven a rotary car before. It blew my mind . Good luck guys.💪💪💪🙏🙏
@scottbyrd7159
@scottbyrd7159 7 місяців тому
That is a 100% badass engine. Ur 4 rotor was a beast. Can't wait to see what this one does
@JustATypicalGinger
@JustATypicalGinger 9 місяців тому
ayo it sounds like you guys have upped your audio game even just within the assembling montages, which gets my so very excited to hear thins thing go brr. I know y'all will do the world a solid and get as much high quality audio of this thing as you can. Truly one of a kind opportunity I'm glad you have Joel and the rest of the team there to capture and share it with us all :)
@phililrahn2977
@phililrahn2977 9 місяців тому
I’m not even 12 minutes into this monster of a video but I’m already so hooked. You are easily one of my favorite if not my favorite UKpostsrs because you explain everything you do. And do things that are just mind boggling. You are a real motivator keep it up Rob.
@xbgtfella
@xbgtfella 8 місяців тому
Like the simple explanation of the process. Top channel
@q3aryoko
@q3aryoko 8 місяців тому
all i can say is , Holy crap! you all are bad asses..The hell is this motor going in? The amount of prep time and expertise is absolutely lovely. Bravo Dahm. Killer man.
@lilfattyb
@lilfattyb 9 місяців тому
This is a massive engineering challenge, props to you for doing it!
@andrews.
@andrews. 9 місяців тому
Shop Class with Prof. Rob. Always exciting when he is pushing the boundaries.
@SailingFrolic
@SailingFrolic 8 місяців тому
Man I can’t wait to see this thing run
@romie6466
@romie6466 8 місяців тому
Wow, truly genius work
@swealer
@swealer 9 місяців тому
This is pure insanity and i love it!❤ Just imagine this thing in an 787b, flying down the old Le Mans straight and screaming at 12.000rpm 😮
@buck45osu
@buck45osu 9 місяців тому
Mazda make this happen please.
@thegreatadvicegiver1570
@thegreatadvicegiver1570 9 місяців тому
This really goes to show you how much he is dedicated to to spread of information. A hour of engineering damn there.
@liquidamber
@liquidamber 8 місяців тому
mega info...for years now...thanks mr Dahm
@mattsgamesstreams6189
@mattsgamesstreams6189 9 місяців тому
I remember seeing this engine run many years ago, and I would have never thought that it would end up in your hands
@eryczakpl2337
@eryczakpl2337 9 місяців тому
1:11:24 The montage was so quiet, you could sense the tension and focus, no unnecessary music, perfect
@erickbernard8208
@erickbernard8208 9 місяців тому
85 minutes of rotary heaven ❤
@darwinmauri1433
@darwinmauri1433 8 місяців тому
Awesome video content and hell of a project. Can’t wait to see that engine fired up.
@bruceperron3796
@bruceperron3796 8 місяців тому
Love to see you fuys fire it up.
@Kudalinny
@Kudalinny 9 місяців тому
You gotta be by far one of the most dedicated person ive seen ever. This is a breathtaking project and i cant wait to see it run!!!
@TheDestroyeah
@TheDestroyeah 9 місяців тому
What an absolute monster, I'd argue this is way out of car league. More like a plane engine. Very excited to see it running and produce power, also excited about where this goes. I need to see an oversized custom car based on 7, literally something on sterodis. Good job Rob, taking on this project alone speaks volumes.
@harrywalker968
@harrywalker968 8 місяців тому
wankel rotary was a german bomber engine in ww2.. & decades before that.. they can rev but have fk all torque. a single rotor has same power as a 6 cyl. & fuel consumption.. here in aus, we accidently made the ''hot'', rotoary engine, brup,,brup,,brup,, . mate had an rx3, wore the seals out, pulled it apart, threw it in bin as couldnt get it back together, then he bought the same color lime green, torana slr 5000. both, laid rubber in 3 gears.. ausie.. [ torana lasted longer, cheaper.]
@thebeaglebeat3615
@thebeaglebeat3615 9 місяців тому
This must be the most epic, rotary build in the world ever!!!!!!!!!! ❤️
@narrowgoat-scout
@narrowgoat-scout 8 місяців тому
The opening scene is perfect 👌 well done 👏
@MrMorepower71
@MrMorepower71 9 місяців тому
So much detail. Thank you Rob
@joaopalacio2655
@joaopalacio2655 9 місяців тому
I can't even begin to imagine the work put onto this video. From the actual build, editing, etc etc. Such a awesome work as always
@DevilRazr
@DevilRazr 7 місяців тому
I've watched you for a while. It's pretty cool you've become an expert on this stuff.
@pkgoldopalhunting
@pkgoldopalhunting 8 місяців тому
great stuff man cant Waite to hear it fire up
@Brock_Landers
@Brock_Landers 9 місяців тому
Rob, Rob here, this is absolutely going to be the sickest rotary engine ever! Felix Wankel would be mindblown on this one!!!
@DracoRemixer
@DracoRemixer 9 місяців тому
I'm sure Felix Wankel did Nazi that coming 🙃
@Brock_Landers
@Brock_Landers 9 місяців тому
​@@DracoRemixer What? Did you mean that he didn't see that coming? I don't know if you proofread your comment...lmao
@DracoRemixer
@DracoRemixer 9 місяців тому
@@Brock_Landers let's just say Felix Wankel was pretty invested in building the Third Reich... :/
@randomdamian
@randomdamian 9 місяців тому
Rob I must really thank you for making such videos, you help me think the right way. I don't have a rotary, just a normal 3 cyl 0.9 Brabus motor, but this helps me to think the right way. i would never thought to put the "glued" section where the intake is for it to be colder. How I said, your videos help to think the right way, because now i will be more aware of how I put also other things into my car.
@ZeRicardos
@ZeRicardos 9 місяців тому
watched the entire thing, better than netflix, goodjob man
@PontiacsGarage
@PontiacsGarage 5 місяців тому
Wow Rob. You and the guys knocked this out of the park. So much information learned. I cant wait to hear it scream at 9k rpms.
@OutOfNameIdeas2
@OutOfNameIdeas2 9 місяців тому
Incredible. Thank you for sharing the progress. You make nothing but masterpieces so I'm eager to see this being worked on further
@gavinsmith62
@gavinsmith62 9 місяців тому
This was what I thought the future of engines would be as a kid, and although that hope never turned out it's so cool to see something like this still being made. Good to know there are still crazier things out there than a Chevy SB.
@rbarone69
@rbarone69 4 місяці тому
I love your mind on this. I'm an engineer with software and I think the same way. Thinking of the entire problem like a "tree" in my head. Very impressive!
@joelfrantz3189
@joelfrantz3189 9 місяців тому
The groaning of the engine when Rob was turning it over was the sound of waking up the beast 😂
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