I Run the Smallest Rotary Wankel Engine in the World to see if it actually starts and runs then I try and hit the engine's Maximum Rpm, Engine is a Toyan RS-S100 Single Rotor Wankel Rotary Engine.
This engine is so small it's almost unbelievable to me that it runs at all but it does.
once things, especially engines or machines get this small it becomes very difficult to maintain the tight tolerances needed to have a well-running machine, but to my surprise, the engine ran very well.
Link to Newest Version of the Miniature Rotary Engine at Engine DIY: bit.ly/WpMiniRotaryEngine
See-Thru Rotary Engine in Slow Motion: • See Thru Rotary Engine...
Chapters:
00:00 Intro
00:32 Opening Engine
03:16 Start Attempt
04:03 1st Full Start
04:53 2nd Full Start
05:18 Max RPM Run
06:32 Full Throttle Run
06:50 Rotary is Screaming
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Watch this in 4k when possible, it looks incredibly awesome !
Carbon 12
www.c12.tv
Produced By: Carbon 12
Directed By: Matt Mikka
That sound though...that's hands down the best sounding mini rotary I've heard so far. And I've heard one.
it sounds like a more badass version of a Formula1 engine
This is great. Any chance for an Rc car to use this?
@@CMDRunematti bit far there mate. the classic V10 sounds way better and V12 even louder but V10 still better
@@abliviustrey do i look like an F1 expert? XD nah, I'm a pleb who liked F1 10 years ago and this reminded me of them. Obviously can't sound the exact same, it's different tech but still sounds nice
@@CMDRunematti ye nw lol. just thought I'd say that cause its definitely not more badass than F1 engines
.7 horsepower is kind of insane for something this size really. This in a two rotor configuration in a RC car would be nuts.
Really is once you think about it. Like, a horse's average walking over a day, this tiny thing is almost as much.
@@raikkappa23 The only thing that beat it is an electric motor but the weight of batteries seriously add up and don’t last that long. I had an electric RC car that could do 100mph but only lasted like 20 minutes.
@@raikkappa23 Horses actually have about 15 horsepower though
maybe for drones and minicopters
It'll be good to use them on a drone
Im honestly impressed they managed to fit damn near a full horse inside such a tiny engine.
An actual horse has 14hp😂
horsepower doesnt have anything to do wit horses mannn
@@omarrivera5013 He didn’t mean the animal he meant it has .7 hursepurrs it’s impressive they almost got it to 1 😂
@Omar Rivera that's only a peak value. the average output of a horse is about 1 hp.
Yeah thats amazin
Someone should make a scale RC car with this engine. It would be crazy.
Highly agreed.
And it should be a Mazda
toyan makes decent small scale engines.
They have. The small ones are as trash as the fullsize wankels. Os engines made them for planes and countless of them made it into cars. Much like the full size counterpart seals burnt up quickly and compression crapped out. They also have no torque and are turds.
I would love a 787B RC with a real rotary engine in it!!
Imagine the sound if it was a 4 rotor. He should get 4 of them and stack them on each other let me just use this opportunity to advertise my latest KZhead video 😅
yess
Rob Dahm
Angry beehive engine
They already make a 2 rotor version of this so that would only mean 2 engines needed
If only it was that simple. You can easily stack the housings and "irons", but the shaft will be almost impossible to make without some serious equippment and knowledge. When you go beyond two rotors the shaft needs to be made in several parts that go together during assembly. You would also need some sort og bearing support in the middle for the shaft. JohnnyQ90 managed to make a 2 rotor shaft himself after several tries and he has years and years of experience with machining small parts. A 3 or 4 rotor shaft would probably be 5 times for dufficult than the 2 rotor shaft he made.
"Rob Dahm would be proud" What makes you think he's not already buying these up for making a 4-rotor for his 1:4 scale RX7 RC car? ;)
yeah
Lol
And he'll have it running in only 10-15 years!
@@bennyb.1742 I have nothing but respect for Dahm. His passion towards rotaries/RX-7 runs so obviously deep and he's utilized KZhead perfectly to fund it. And he isn't afraid to show the mistakes he makes along the way when building his dream car and learning new things.
@@onutaoyusao But it's still a good joke.
Anyone getting serious anxiety about that loose pin? 😂
I'm getting more anxiety about the wobbly ass flywheel..
@@carwashadamcooper1538 Why, you're just watching a video, it can't come through the screen and hurt you. :-/ :-)
@@MrJdseniorbro it can hurt the person who makes these videos
This engine being this size and already being this loud, imagine what a 787b would sound like
i've seen the 787B doing laps in Japan :) - its l o u d
No need to imagine, because ABSOLUTE everyone has heard it the first time, *_AND IT WAS SUPER LOUD!_*
Engine self-destructing right off the shelf: "That's a rotatory alright!" 🤣
That's ignorant
You're right, @@sonacphotos
@@sonacphotos You could say that about a lot of subpar designs
@@sonacphotos Has to be designed and built correctly first.
@@jmuench420 One you MUST redline them every drive, basically being gentle with a rotary is like severe abuse for piston engine. The problem is you have idiots thinking its a "cute car" and then not making it scream like a warzone going down the street and wonder why it was totaled in under 20k miles when the guy burning tires on the track has 0 maintenance other than basic stuff and getting 100+k miles out of his (which is incredible compared to piston engines being raced). Its just like a jet engine, you need to treat them completely different. You can still destroy piston engine just as easy, like this guy didn't use water in it for several minutes at full throttle, just try that in your car (but actually don't). You can also destroy 4 strokes very easy too going too high rpm bending valves (unless its flat head, which is why I love old flathead engines because you can bypass governor and other than warping the cylinders from over-heating they don't really seem to mind)
I can already imagine a vehicle with like a hundred of those engines connected together somehow, the sound of millions of angry bees and a ton of fuel per mile 😎😁
I sense the building of a bitchin go kart in someone's future.
@@jg8263 everybodys like wow thats amazing... and then the engine failure hits and then they be like told u so u stoopid for building something like that
@@tarekl.3725 As long as it has like constant maintenance, it should be fine, but it's still kinda dumb
@@jg8263 lmao the bees comment had me on the floor! 🤣🤣🤣🤣 would be awesome indeed.
That sounds awesome
WOW THAT SOUNDS AMAZING!
Sounds vicious when it's started up!
Flooded at start up, melting plugs and exhaust fell off. Yes that definitely is a rotary. Surely not making any compression at low rpm. Lack of side seals and housing to rotor clearance allowing blow by. Btw that is pretty cool!
Blow by like a mo-fo
@@WarpedPerception are you going to put turbo chargers tho?
Most rotaries don't make good cold compression, the internal operating temps are high especially around the exhaust ports so they have to design them so that the clearances are right at operating temp. Piston engines get around this with ring gap, Mazda uses spring loaded corner seals to give the apex seals space to expand. Also like you said, no side seals but it might just not be feasible to make side seals for something this small. Even in a 13b the side seals are thin and fragile, they would probably look like strands of hair for this thing lol. Looks like there's thin metal plates that go between the rotor and 'irons' that may be an attempt to create some sort of consumable side seal that covers the entire side of the rotor face instead of being recessed into the rotor itself. Probably good enough for something like this, seemed like it was ripping pretty good once it got warmed up. Probably didn't help that he disassembled it, dropped some pieces, then put it back together in a dirty environment. Even a tiny bit of grit would clear itself out but put scratches in all the sealing surfaces on its way through...
@@Joebobinator your dead on about everything except the disassembly, see what I didn't show was I tried 30 times to start this engine, it wouldn't start had absolutely no compression, then I proceeded to disassemble the engine and I found a completely seized Apex seal. None of the parts were dropped. But yeah I'm going to upload that as a separate video on my other channel and share it here.
In this micro application I wonder if a one piece circular side seal could work to help mitigate the blow by and add compression, similar in position to the oil seals on a 13b. It could sit just inside the bottom edge of the apex seal slot. Trevor, Mazda used 2 and 3 piece apex seals in the majority of their production engines which allowed the seal to cope with thermal expansion and self clearanced between the irons/side plates. The corner seals where there because the side and apex seal had too much dissimilar movement and allowed tighter clearance. The important tolerances on 2 and 3 piece seal engines arethe apex slot to apex seal, the side seal to corner seal, and the corner seal to corner seal slot. I used to build 13bs and some what reliably made around 450rwhp with them on pump gas. Now with a 1 piece seal like was used in 12A and ceramics in racing applications you had to clearance the apex seal to the rotor housing width. But 2a d 3 piece seals self clearanced.
3:44 is it rotary engine or water pump
Yes
All pressure engines are basically either pumps or fans. This is a pump.
*fuel pump
Whatever you want
@@weareallbeingwatched4602 And a fan is a type of fluid pump.
I have no idea why this has appeared in my KZhead feed, but I ABSOLUTELY LOVE IT!!!!!
Wow this is possibily one of the happiest videos rotary heads can watch on youtube!!!!! This is so AWESOME. I need one now 😭
The loose dowel pin and the amount of out-of-round of that flywheel are disturbing.
I was thinking the same thing
Ya I was like well maybe the crank is bent?
That's just the sliding flywheel buffer pin it's a new feature
I couldnt take my eyes off it either. Haha. Great video though 👍
That was the park lock
Ok so most people don't know this but the the rotor spins at about 1/3 the speed and the crankshaft, often called an E-shaft. So it's less impressive when you think of that. But still that little dorito chip spinning at 10k RPMs is still awesome
Insane what they get out of 1.3L for a 2 rotors and 2.6 litres for a 4 rotor tho… which is impressive af.
there was a diesel one made by Rolls Royce with two rotors two stages (bigger and smaller) where bigger rotor was a supercharger to a small rotor to rise compression and allow diesel to ignite.
@@H3110NU technically if you take the total displacement of all three sides of the rotors the 13b is actually 3.9l of displacement. They only advertised it as a 1.3l because A. People didnt understand them so they can get away with only using the displacement of one side of the rotor, and B. They got into a different emissions regulation and racing classes for small 1.3l vs a big 3.9l.
@@leojensen9270 that's basically saying 2 strokes have double the displacement of a 4 stroke
@@maseywat No, what he's saying is a Wankel rotary has triple the effective displacement of a reciprocating piston engine.
Waiting for your "That sounds like a Rotary" t-shirts/merch 😂 Love it man, thank for the vid!
Thanks for sharing. (and taking the thing apart!) I love rotary engines. What a fun little engine.
I give you so much credit for getting those apex seals back in lol
Oh man it took me like 45 minutes...😬
Despite the flaws, that micro rotary is so awesome! Many of us would've never seen it if you didn't post this vid. Thank you!
Rotary engines sounds always draw a big smile on my face
Appreciate Donut bringing me over here. Great work on the Rocket Car
Me too
Looks like you're also losing a bit of compression at the glow plug too. Could see oil bubbling from the seal. Very cool engine, can't wait to see what you do with it.
Just from what he showed he barely put this thing back together. Exhaust falling off isn't a lolol rotaries suck, that's you not bolting shit on. Dropping parts in a filthy environment, flywheel not centered and wobbling all over, no engine load so it's spinning to double the RPM it's rated for... Looks like a cool engine but man this dude is handling it poorly
This. Dude is ignorant af, he just makes clout chasing vids with shit he doesn’t know muck really.
You know what you have to do... Buy 3 more of them and combine them! What a joyous little thing it was once it was actually at speed though.
You're doing some really cool projects. I love it! (New Subscriber)
Omg that sounded so awesome 🤩 totally amazing.
now the challenge is to bridge port it :P Get the BAH BAH BAH BAH, idle :D
Sounds great! Sounds like how you would think a rotary would sound on a smaller scale
that was awesome to watch! keep up the good work
this is really crazy, I thought it was only in the real world...stay strong, keep up the spirit
They need to make those so you can keep bolting more engines together and have 2,3,4, cylinder models or bigger even lol awesome little engine thanks for sharing buddy
They do have a 2 rotor model.
I want to see a ten rotor
@@livingintheLight. I would love to see a V12
@@ItsMorbinTime03 well rotaries are technically in line, so it would be an I12 rotary.
@@EAGLINWRXI mean two I6's joined together in a V shape
Never do a tear down before testing ….. never. Many things are never as good as they were before factory disassembly
You must love AvE videos
BS. Some engines aren’t assembled in the factory with sufficient care and a knowledgeable owner can clean up (“blueprint”) and reassemble the engine to better than new. Now if a ham-fisted gorilla that has only Visegrips and hammers tears into one, well, no more needs to be said.
I agree with tech, I love this guy and what he does but this one was just too bad sorry I mean he couldn't get it to idle, and he always gets stuff to fully function. lol
@@tatundra6405 clearly you’ve never really worked on a rotary. All that he went through us rotary guys go thru on a daily. Cold starts are real. They can’t go long without apart is also real. If that little guy had a turbo it’s life expectancy is cut in have and the propellers are probably melted. That’s the general nature of a wankel. Mazda couldn’t get it right from factory to keep it in perspective but it was good enough to sell to the public.
@@subifudriftkings Agreed, as the owner of a few rotaries and currently an Rx8 at ~250k miles with 3 engine rebuilds all of this is normal. The internal clearances don't tighten up until it's warm so they hate cold starts even with modern computerized fuel injection. This looks like a pretty rudimentary carburetor setup, of course it's gonna hate starting. Also I was cringing the whole time he ripped it apart in a filthy environment, dirty hands, dropping parts, not bolting things back together right, and expecting it to run perfectly? The exhaust fell off ffs, that's not "rotaries suck lolol" that's you not bolting shit together. Also super bad for the exhaust ports which are already the weak point for most rotaries, the heat buildup is bad enough even with good header flow. Also, please center that flywheel and put either a heavier one or some load on the engine. This is like taking an LS, leaving the balancer and flywheel off, removing the rpm limiter from the tune, then starting it with your foot on the floor and expecting it to go well. If you want to spin anything to 1000 rpm let alone 30,000 rpm you had better make sure it's balanced. This little engine is cool but man this guy is handling it poorly. Even if it wasn't a rotary he should take a little better care of it especially for a demonstration. Also their technical manual says it's only supposed to run to 16,500 rpm. Go take a Honda motor, rip it apart in a sandbox, put it back together just enough to run, then spin it to 15,000 rpm and see what happens...
Looks like I have a new hobby in mini engine building for my RC's. Thanks for sharing.
I had a 1980 Mazda RX-7, loved that car. The engine was a masterpiece. A friend put a 13B racing engine in his, flat out scary the horsepower it put out.
Yup, I've seen them upwards of 550 for the 13B, normally aspirated. With boost, if you can hold them together, you could do quite a bit more. I heard a friend that drag raced them, in an RX3, no less, that the limiting factor with compression was that at some point, the through bolts start stretching. He was running ungodly boost, about 20-25:1 IIRC, and that puppy was fast. He raced 1/8s not 1000s, or 1/4s, which was probably smart, considering the trap speed differences. I forget what he was running, but I want to say low to mid sixes, long time ago, though.
Wow, as usual with your posts, I love this thing. I was thinking a custom 3 rotor would be sweet for an RC! Also, nice Rob reference 👍 I’m sure he would like this rotary too.
It would be really nice to see car with this engine.
Toyan keeps impressing the hell outta me. This is incredible! I'm a die hard nitro rc guy.. Been restoring vintage nitros for some time now. Man these Toyan models are so impressive!
Awesome. Love it. Thanks for posting.
Just found your channel and subscribed. Nice engine
This video came up in a Yahoo article in my feed today. Yahoo was late because I've been subscribed for the longest lol. Great video!!!!
While I love Wankel engines (I had the OS back in the day) and I like your vids.... I think all you showed us is that these "Import" companies are making cool... but crappy engines. I've see so many that may start... but will have a very short life... or do not run well enough to actually be used in a model. Regardless... keep up the good work.
Looks like a display engine to me, just like the mini v8... It's not intended to run a model. It'll "run", but I wouldn't actually run it... Just put it on a shelf or a desk.
@@volvo09 plenty of people have put these toyan engines in models and run them. At the same time keep in mind he took it apart and dropped the seals. Apex seals and springs are sensitive as it. That did no favors.
@@brandonbrown3600 really? They do not look very durable. I'll have to search some videos. Interesting.
Toyan Engines are very reliable if you know how to tune a carb. I have a few Rc rock crawlers with them and also a 1/8 scale monster truck with a 4 cylinder Toyan engine they all run flawless. .
@@volvo09 So why worry about making it functional then? It's either a display (Cheap) or a runner. I totally get what you are saying... but if they sell it as a running engine... then it should run, and be built well enough to be used for a reasonable amount of time. Let's face it... Glow Fuel is 20% oil... so stuff will get lubed. They need to use good materials, and build them to a good standard.
Good job on the apex seals. I had my doubts. Is the incoming fuel and air charge enough to cool it? Is that why the compression is low? That little thing would keep me busy for days!
Love your work mate, great stuff, when you got it on a lower idle that lumpy rotor sound was identical to the road cars. While it's still nearly new you might want to measure up and machine a few rotor housings as spares, better apex seals will make it run much better but it will also wear out your housings faster
He'd better have a really accurate CNC cutter if he's going to machine THAT shape.
This is amazing. This is why I love KZhead. Tonight I learned more about how a rotary engine works and saw a see-through jet engine on your channel. I hope they show your videos in schools. 😄🙌
The sound is incredible!
Let me quote you "and this is the worlds smallest engine" "I dont think ive ever seen an engine this small"
Genuinely really neat and love all the videos on the mini motors just fascinating to watch, should surely send us a motor ;)
@Don't Read My Profile Photo please go away
@Don't Read My Profile Photo this "hurr hurr dONt rEaD mY nAmE" thing is getting oversaturated and old
@@thesciencesphere4273 100% agree
Hi Matt awesome little engine, love your W.P. channel, keep it up....
I've always loved Rotary engines, awesome stuff 🤗💯👍
Great video. That guide pin was hanging on for dear life.
seeing that baby Dorito chill in a Mazda unit made my day ♪
I need one of those! it would be a great engine for my RC drag car when I build it. 😃👍
That would be sick. Wonder how it stacks up against the normal RC nitro engines. HP/torque and size comparisons.
That is so dope...gotta love that sound
Nice and flooded, just like the rotaries like it!!!! Hahaha. Classic man. Legendary
Love your work. I would like to have seen the back-end disassembled to view the stationary gear set up, and the other side of the rotor with ring gear.
That's awesome. Can you turn it into a triple rotor, or a quad rotor? I feel like it needs a bigger flywheel too.
that is crazy. that lil bity motor and it actually runs..lol💯💯💯🔥🔥🔥
I like that you didn't edit out the troubles until it took. Makes for good content.
5:18 The kid with the 20 year old modded Honda Civic pulling into the Senior parking lot every day in High School
Unlike the OS motor, it sounds like a proper rotor!
Could you turbocharge it?
It’ll blow up
i saw the section labeled "rotary screaming" and the man delivered
I would love to see this little engine idle at 1500/2000 rpm
I can guarantee you never will. They aren’t made correctly to maintain combustion chamber pressure at the lower RPM.
The mass is so low it would never do that. Hell, a full size rotary can barely do that.
4:22 it sounded like a 2JZ or an RB in a roll with a antilag
Awesome little engine ! 👍
"Its melting and the exhaust fell off, yep that's a rotary alright" I'm dying hahahahaha. So, can you combine 2 of these into a 13b?
Been watching some of your work past few days. Hats off sir! Great tone, just enough Nerdiness and knowledge combined with entertainment and cool projects. Awesome slow motion shots aside. Wish you all the best Cheers.
Thank you I really appreciate that, it wasn't easy to get to this point let me tell you a lot of pain and hard work not to mention a ton of money
@@WarpedPerception I'm really glad it payed off.there's nothing in the world more fulfilling than working hard and earning the deserved rewards. I'm sorry that I live in Iran and I'm not in a position to support this amazing channel other than sharing it with friends but anyone that can, should imo. Thank you again Wish you all the best🌹❤️
Thats amazing. Bet it cost a pretty penny I would love to have this just as a ornament on my shelf to play around with time to time. Love your channel man.
They are $500, so just 50,000 ordinary pennies, doesn't need to be a pretty penny either.
So 4 rotor will cost around 2100-2500 it's cheaper then real one 60 000
@@Deep42Thought I'm not sure who pays $60k for a 4 rotor though, my RX-8 was $3250, so buy two whole cars (plenty of spares that way in case you wreck on the track), and you're at $7k plus probably less than $53,000 for someone to bolt two together. Also note the rotary is one of the easier engines to do that too, I chatted with a guy who built a 12 rotor engine from 6x RX-7 engines (I think it had 12 turbochargers in total), and then he sold it to fund his next new project build and toy. Its probably just about as expensive to turbocharge them, just the exhaust manifold was like $3k a year ago (its since gone down a lot, and yeah you could weld one yourself but I'm referring to just bolt together options). Then you have to find a tuner that specializes in turbo rotaries. Its cool, but its a mess.
These little rotary vids are just awesome lol
An old gunsmith trick when you have parts that may pop out do the work inside a clear plastic bag. Might not be conducive to filming but you'll contain your parts. I learned this after looking for a tiny spring for two hours. :)
A mini rotary Mazda rc street racing car would be such a cool thing to make out of this
это Ванкель а не мазда
Who else was peeping that dowel pin doing a little dance?
Sick engines mate had turbo 13bs Cheap to rebuild light only disadvantage was you had to warm it up
Amazing. Almost 1HP in an engine that size. Wow, mind-blowing.
Actually when you think of it 0.7hp is a decent amount when lokking at the size
a 50 cc moped in my countrie can legaly only have 1 hp. So yeah 0.7 on that engine is huge.
thats the claim to fame of rotaries. small engines making big power
The first ever automobile also had 0.7hp, and now we've miniaturized that power.
Four rotary inline should have 2.8HP from this little bee. I can't wait till see them. Greatfull
@@alexsz.6530 could Power a little dingy 😂😂
That looked like it was running incredibly rich based on my experience with nitro RC car engines.
That bolt slippin out at 4:34 😂
That wheel is wobbly as hell...
Time to buy 5 more and make a mini 6 rotor
Hell, why not a dozen?
@@phantom240 Considering how reliable those seem to be, you'd have to buy a dozen to end up with half a dozen for your project.
Fun and amazing video. Thanx for the post
Rotary engine speed specifications are defined differently than on other motor types. On a typical rotary there are three combustion events for each revolution of the crankshaft. While there may be 30,000 combustion events per minute for this demo, the actual RPMs of the crankshaft will be one third of that... 10,000 RPMs. An old COX 0.49 nitro-methane model airplane engine can run at 13,000 RPMs all day long.
3:20 Sounds just like starting up an out of warranty RX-8
Toyan already offering a twin rotor model... Interesting to see their specs, max rpm 16,000 odd. Looks like Toyan expect forced water cooling to be fitted too. Amazing little engine!
Awesome! Used to have a 2.5cc Diesel for model airplanes in Australia, late '60s.
Flooded just as it should be. Perfection xD
Toyan has been killin it!
ye
6:30 bro the pin literally holds the wheel there 💀
Whew that little thing sounds mean, lol. Nice mini Dorito 👌
Do you have any interest in building a few more of these ? You have the ability to control the throttle correct ? Would like to try to utilize two of them in a twin engine RC aircraft application !
That is the coolest thing ever 🤯 plus the sound killer 🤙
Honda owners at 3 AM 7:30
I'd love to see a multi rotar built using parts from that tiny engine.
Yeah, but you need one major part that is not there. It would be easier to just couple two of them.
Hi thanks a lot for the great video. I have a question, the rotary part of the engine, does it leak by any means? I mean is there a 100% safe sealing there? Or let me put it this way, like for instance let's assume that you fill the engine with machine oil 100% and close all the inlets and outlet openings. Then you try to turn the rotor by hand or a tool, would it resist the rotation motion and stand as it is or would it start leaking and start rotating?
Sounds so good!
Just imagine giving Rob Dahm a mini 4 rotor of this type as a present! Next we will see him building an AWD, FD2 RC hahaha
Your skillset just is mindblowing.
Thank you
Nice development on miniture engine I love viewing the video.
Brilliant engineers in our world, great stuff , very enjoyable.🇬🇧