WE BUILD THE WORLD’S ONLY 12 ROTOR
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- Опубликовано: 21 окт 2024
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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
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.
Joel is the man !❤
Press F to pay respect for the snap-on socket.
F
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 RUclipsrs 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!
Yeah, but never picked Dahms oil hand though..
Oh Man This is gunna be a goood watch
Hell yes. like like looking at an art piece and raw power. Like a Japanese style v8, but much spicier.
gonna be ignent
I’m glad daddy Dan loves rob!
Oh no it’s the schizo 😭😭
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..
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!
Dahm*
@@austinfleck8664 Thank you for your service
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.
Where’s the 12 rotor dahm? 😂
Just put the dahm thing together already this was 7 months ago and I bet he still don't have it built yet
Man. I've been a machinist nearly 30 years and this is an absolute marvel. Can't wait to hear it!!!
the mix of our 2 worlds weve always thought of as were makin parts lol.
you'll never hear it. that dude is just a youtube grifter doing it for "the content".
@@Q-nt-Tfclearly don’t know rob then.
@@Q-nt-Tfget tf out of here , you saw the engine was spinning really smoothly , that means that it will work .
@@Q-nt-Tfokay just wait and see bruhh😏😏
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.
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!!
Same thoughts, couldn't have said it better
I love that Isaiah started doing fab work and now he's basically a pro at assembling rotary engines.
resourceful people diversify based on need rather than a certificate... this is what i learnt living on the shop floor means
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.
I've never experienced a video an hour and twenty minutes long feel like 15 mins. I want more
true
better than 95% percent of modern movies...im on the edge of my seat waiting for this project to have another video come out
i swear it was only 20 mins. not till i saw this comment did i realize. wow
Legit, I thought wow so long, I won't Watch all of it, but found myself wishing it wouldn't end
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!
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 !!!!!!!
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
At this point, yeah it's ambitious but let's be honest it's about money more than balls
God I love Rob Dahm content, literally wait for it daily, and am more excited for it than any other content.
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
@estebanmata1251 I'm not planning on ever building one but I watch with the same fascination!
Same.. I do like Alex at legit street cars too.
The is literally the only hour and a half long engine build video I would ever watch
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
Rob, you are an absolute animal! Great work by you and your team. This was by far the coolest automotive feat done on RUclips in perhaps forever, and it makes me so happy to see you pushing yourself and the industry.
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👏👍
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!
The crooked dowel pin?
Ouch!
I dont think it would have gone down if they haven't re-placed it, but it looked really scary 😮
You can see in the last frames that the guy on the left notices it and Rob bends over to look at it
Watched it in 0.25x, saw it clearly now
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.
That's with the pressure/vacuum on the inside, with pressure/vacuum on the outside it's reversed. ;)
@@DaftFaderthats the same as inside-out vs outside-in
@@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. 😉
The even better rule of thumb with o-rings is just do exactly what the Parker o-ring manual/bible says.
@@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
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.
Hey Rob we can really tell you invest back into your channel by doing absolutely mental stuff like this. Thank you
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.
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.
The firing order along is a thing of beauty, having done stress analysis of rotary’s, forces acting in that thing will be insane
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?
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 👍🏼🙏
You talking and explaining everything made this video so perfect. Very interesting even for me know nothing about rotary.
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!
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
Man, that would sound absolutely insane, I'm with you, they should do that...
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.
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.
It'd be a shame not to make the exhaust sound as sick as possible
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.
Ethan designing the manifolds! Very cool. Triple turbo's will be impressive.
His machining work on those splines ( and everything else) is so impressive!
I found you from the first 12 rotor video and have since watched your entire journey. Absolutely loving this now
!! NEAT HUh !!?? !!
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.
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
fast boat history ....
This was worth the wait. Boy, what a mammoth task.
Full respect to the team.
What an incredible video. With so much more going on behind the scenes, this was really well presented. Heading to your channel, really hoping there's a part 2 or more . . . would really like to hear how this sounds.
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.
Same here! I play w/ Caddy 472/500's.
I'll never complain about building a Barra motor again 😂
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!
@@wesman7837
I haven't seen a distributor since the 90s.
@@wesman7837it will have 24 ignition coils.
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
Thanks! Almost watched it but read the comments first and you confirmed my suspicions 😂
@@MazdaMotion😅？已弓 9:38 柜屬
When's that happening then? :O
You know there’s a video of this thing running?
@@bullhead360im sorry where in the hell is that video?
What a beautiful piece of art.. no reason why this couldn't be in any museum on the planet.. just gorgeous 🥰🤩🎉❤
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!
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 RUclipsrs because you explain everything you do. And do things that are just mind boggling. You are a real motivator keep it up Rob.
this video is just sooooo dense, and everything is interesting. you have a great tallent in explaining!
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.
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.
Rob Dahm is the only guy who can have me watch a whole hour and a half video😂
it doesnt even feel like its one and a half hour
He had me well hooked until the Hair Loss promotion! Good night.
Dunno man, The Car Care Nut is right up there for me.
You're killin us here!....let's go with the 12 rotor already! Your channel is on the short list for favourites but damn, the waiting is driving me mad!
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 😂
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!!!
insane doesn't even begin to cover this build! so looking forward to the next step!
The ability to understand and retain the unbelievable amount of math and geometry that make this whole thing work is just astonishing
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!
they really are not that expensive either
@@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
You could create a whole ASMR video on this build. That sound at @57:13 of the plates dropping in is great.
First time ever watching a rotor engine being assembled, and it's the only 12 rotor in the world. Epic.
There’s a few other actually or used to be a few years ago, you can find some videos. Nonetheless a stunning project !
Shop Class with Prof. Rob. Always exciting when he is pushing the boundaries.
What a project, I started watching this video in my lunch break, and one hour twenty-four minutes later I still had my sandwich in my hand. That's the coolest thing I heard of, thtank you.
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 :)
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
I love it....really fine team of mechanics doing excellent engine assembly...I like how they adapt the seals with loctite......very interesting
1:11:24 The montage was so quiet, you could sense the tension and focus, no unnecessary music, perfect
Rob I love that you have become the go to man for all things rotary ….it’s been amazing watching you become a true expert
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.💪💪💪🙏🙏
This really goes to show you how much he is dedicated to to spread of information. A hour of engineering damn there.
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.
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.]
This got my attention… HOLY SMOKES man!! This is awesome!!
So much detail. Thank you Rob
I love the attention to detail, for those of us following along at home with our own 12 rotor motors.
It's such a common engine, I'm amazed he's bothering.
@kingcosworth2643 😂😂😂
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!
Nothing makes my day like a video from Rob dahm
Whenever there is an update on the 12 rotor i know I'm going to enjoy the video. And yes... even if it is over 1 hour and 20 minutes long. Cant get enough of this one
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.😊
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 😮
Mazda make this happen please.
I want this to happen so bad but I am so glad I'm not taking on the stress of the project...for that I commend you all on this channel for stepping up to the plate and taking such good care of it...this is history in the making
Soo much enthusiasm in this workshop 🙌 👏
Next thing you know Rob is going to make his own one fixing the issues this one has 😂
I mean he DID kinda say that's the plan
Amazing ! Congrats on adjustments & re-assembly.
Proof humans can achieve anything we set our minds to.
In awe of the original design, machining and the realisation that your fresh set of eyes will hopefully steer this toward a successful modern tune.
The work done on it is such amazingly big
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.
"This will be a very compact video"......1hr24mins later........love you and the teams work Rob
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
Incredible work taking on this engine..... I hope you can get it running sweetly 😊
85 minutes of rotary heaven ❤
You are such an awesome perfectionist and listening to you geek out like a kid in a candy store is so damn cool. Love your enthusiasm brother
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!
Absolute legend Rob, you really got that brain ticking over without exploding and nutted it out. I can't wait to hear it running. Loved the animal noises it made just before the seals all loosened up to 😂
Rob, Rob here, this is absolutely going to be the sickest rotary engine ever! Felix Wankel would be mindblown on this one!!!
I'm sure Felix Wankel did Nazi that coming 🙃
@@DracoRemixer What? Did you mean that he didn't see that coming? I don't know if you proofread your comment...lmao
@@Brock_Landers let's just say Felix Wankel was pretty invested in building the Third Reich... :/
Im anticipateing the worlds 1st Rotary powered Kenworth , Nice 👌🏼
@OfficialRobDahm I don't discuss anything with PARASITES
This engine has already made history. Rob is about to rewrite that particular page and add a ton more with it!! This engine is just going to be insane when running at full anger!!
Well his Tittle is not being honest... it claims he build the world's only.... why it already did exist. I cam e across this motor almost 10yrs ago.. Clickbait
That is freaking insane.. those modular crankshafts. ... You can change the timing for five different ways with this engine... Probably more than that? Dialing this thing in, will be a lengthy process... There are so many variables..
With the amount of spines on each crank it would be nearly limitless
AI could be helpful to get an optimal timing order for all 12. My guess is that vibration can be minimalized but that could cost low end power. But really, conjecture is useless for all of us on this side of the camera.
@@izzyplusplusplus1004 vibration was already minimal on the initial build over a decade ago. Not sure how far one could take it down, assuming it's even measurable
I can't wait to hear this thing.
An absolutely astonishing amount of preparation, determination, engineering, craftsmanship, quantitative theory engagement and dumb luck(JK) has gotten you and your patchwork team one step closer to re-igniting this incredible monstrosity of rotary powered brilliance! I can't wait for the next installment of this journey. This will surely be legendary...if it all works, lol
What sort of power and torque figures are you hoping for? Great job, looks sick.
Pround of you man . . . And Tyson. Both of you whole heartedly embody the American Spirit.
You guys are walking in the foot steps of Edison Very exciting stuff . . . I'm 72 and just stoked !
I am sure Mazda is watching and wanting to learn something. Don't show them everything.
Let them watch how it's done and suffer.
ROB!!!!! Look back in the video at 1:02:22 one of the dowel pins look to be wedged sideways!!!!
they must have caught that, or the through bolts wouldnt have went in, never mind the pits simply wouldnt tap together with a plastic mallet. AFAIK if you watch 1:02:27 they spot it. finger right on it.
rob never dissapoints
I'm disappointed that he isn't setting it up to have a rotor fire every 10 degrees or 30 degrees of shaft rotation.
@@surferdude4487 YE KNOW TOO MUCH!!!!!!
@@surferdude4487 you build one then :3
@@surferdude4487don't know anything
@@CrustStarGaming It looks like he's going to have 6 rotors fire all at the same time. I suppose that makes the assembly and timing a lot less complicated, but I would like to hear what that engine sounds like with every rotor firing sequentially. That would be every 30 degrees of rotor rotation or 10 degrees of shaft rotation. It's going to be a total beast of an engine in any case.
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.
As someone that used to work quality in the automotive gear industry... That gear train does NOT look happy, there should be some minimal play between the tooth flanks when alternating directions, not mashed together like that, and that could only get worse with heat. Also a properly engineered tooth-spline aligned gears could solve that 2-3 degree offset issue for the 120 degrees between the shafts.
So imo, if you want to see if you can get less friction losses / a power gain with some alterations, I would like to suggest to look into getting those gears re-done.
When are we going to see this 12 Rotor running? There’s been no new updates for months now. What’s happening with it?
That is awesome, cannot wait to see it assembled
What happened to this engine?
The owner doesn’t want to sell the engine so rob is not whiling to work on it anymore.
@@Sickoloko24 How unfortunate! I was really looking forward to seeing this monster running!
Thanks for letting me know to not even finish watching this
@@Sickoloko24i’m confused, he has videos making the exhausts 4 months ago
@@Sickoloko24 And you would know why?
The Anxiety and stress
Can't wait to see what vehicle you put this into and how it sounds and preforms
when is it gonna run?
Wheres the next video?
It’s coming he’s definitely 👍🏼 a genius 😊 I’ve been watching Rob since I was a teenager bro 😎 truly evolved with his many talents 🎉 congratulations from @jamalmakesapps
wow, that was mind-boggling! unbelievable! so impressive!
spinning dorito
Spinning dorito's *
I unsubbed in protest this was never shown running. At least tell us what happened?
Holy tension bolts, Mr. Dahm. Oh, the sound.
Unique Piece of ART.