Never knew there were rotary powered dirt bikes. They have a very cool sound to them.

@chick99936

Жыл бұрын

same here

@pyube7486

Жыл бұрын

Its sounds like 6t

@brianjacobsen8878

Жыл бұрын

Lot older snowmobile had them

@donutdan1508

Жыл бұрын

@@brianjacobsen8878 I seen a couple old Artic Cats with Wankel engines. Only ever heard one running. Pretty wild sounding. Cool though. ✌🔧🍩

@fatongash112

Жыл бұрын

@@pyube7486 a

I had a artic cat snowmobile with a Wankel.Was pretty cool sounding motor but a huge gas pig.

@davidbryngelson938

Жыл бұрын

Myself as well, 1975 Cheetah 295. Dad had the 1970 303 Panther.

@fidelcatsro6948

Жыл бұрын

oimk oink

@BikeStandByMe

Жыл бұрын

Basically a 3 cylinder two stroke. Still cool tho.

@shlomo_jewinstien-Doodoowitz

Жыл бұрын

Arctic cat had a wankel?? What model years I never heard that!?

@sandervanderkammen9230

10 ай бұрын

​@@BikeStandByMeNo, All Wankel engines operate using the 4-stroke principle, it's exactly like a 3-cylinder 4-stroke motor

It sounds like a 4stroke on the bottom but a 2stroke on the top interesting video 🤘

@27Zangle

Жыл бұрын

Mullet of the dirt bike world. Business in the lower end and party on the top end.

That is a really interesting motorcycle. Very unusual. Sounds pretty cool. Sometimes sounds like a 2 stroke, sometimes like something between a 2 stroke and 4 stroke.

@gatorage850

Жыл бұрын

@The Old Husky keep in mind Wankel rotary has 3 faces (that's why what ever cc it has should be x3) - it's basically a 3 cylinder 2 stroke... it sounds like a 3 cylinder 2 stroke without an expansion chamber (or smaller chambers) = look up Kawasaki H2 750 kzread.info/dash/bejne/X35p1aaoo9rQfsY.html

@sandervanderkammen9230

10 ай бұрын

​@@gatorage850Close, every Wankel has at least 3 cylinders.. but it operate s using the 4-stroke principle.

I remember seeing the 502s, but never knew it was a wankel. The rotaries have a two-stroke like feel with good smooth torque like a 2t enduro bike. Long ago I ran an RX4 into the ground and that twin rotary engine was good fun per dollar.

@EZ-D-FIANT

Жыл бұрын

Ran an RX4 into the ground, I think I hate you.....😏

@ipo7596

Жыл бұрын

Hmm, correct me if I'm wrong, but isn't their similarity is that they both burn oil as well as do the intake and exhaust stroke at the same time?

@EZ-D-FIANT

Жыл бұрын

@@ipo7596 they both lubricate th3 cylinders with oil burnt alongside fuel yes, overlapping valve timing is way more common on a 2t then a Rotary tho. The reciprocating mass chamhes directions on a 2t, it doesn't on a Rotary, this makes for a way smoother and faster revving engine when compared at similar CC's however yes one could say the 2 engines are very similar, I'm way more familiar with 4t bikes and Rotaries tho my 2 stroke bike experience is shamefully limited.....

@ipo7596

Жыл бұрын

@@EZ-D-FIANT ahh. Yes yes. Right. Thanks for clarification. I'm just an enthused by cars and motorcycles, but I don't really have much idea or experience.

@sandervanderkammen9230

10 ай бұрын

​@@EZ-D-FIANTmazda's were very cheap disposable cars back then... some would say the same today.

thank you for putting this together, i love older dirtbikes an rotarys this was such a treat !

Looked for 22 years for a Herc and took a flyer on a 74 1,400 mile W2000 sold as seen, chrome rusted (can be re chromed) tank rusted from the top down and filler cap rusted out, but.........chamber and rotor perfect. 3 months later I get to fire it up. Hilarious sound! Such a load of fun to ride. Those offroad versions sound so fruity.

Great video, just shared it on our community page :)

These engines were never extremely popular nor known for torque...but they would screaaaam. And my experience with a rx7. It never once broke down ..I got it used and abused. And then I abused it more....Apex seals were toast...I went through 2 transmissions oil and gas i frequentlyturned it well past 8k rpm ..and it was still running when I sold her...I miss it now.

@stuwest5862

Жыл бұрын

1976 honda dirt bike 23HP/ 17 lb-ft torque 1976 wankel 502 30 HP/ 24 lb-ft torque

@facetious_1

Жыл бұрын

@Stu West no kidding. But the torque was Made at like 8k. 😆 not off idle like a four stroke w valves....yes it had great numbers. Especially for something that stayed in the max rpms...so I misspoke. Plenty of torque, just on the wrong end of the power band...the rx7 was a straight dudd off the line...but once she was above 4k. It was on

I love the look and the sound is awesome. Better sound than my 1973 Elsinore 125 cr back all those years ago and I thought the Elsinore sounded great.

Rotary motors have their issues and aren't for everyone. In fact they aren't for hardly anyone. The emissions are one thing but wiper longevity and harder than 2 stroke rebuilds are the deal killer really. Definitely a niche market and for those with a strong left hand because clutching will be your friend in trying to keep it spinning enough to make things fun.

@marksternberg9217

Жыл бұрын

Years ago in the 70s we had a artic cat snowmobile with one in it. Interesting sound. If I remember right it lasted about 3 seasons before trouble set in.

@enacku

Жыл бұрын

I don't think you get any of the issues on an air cooled 2-stroke rotary motor that you would on a 4-stroke with liquid cooling.

@Toxic2T

Жыл бұрын

who cares about emissions. really

@sandervanderkammen9230

10 ай бұрын

​@@enackuAll Wankel engines operate using the 4-stroke principle

This is new to me. I love it

I can't imagine how much torque these bikes doesn't have.

@shaadydog1

Жыл бұрын

Yes then on the back end no help slowing down...NO THANKS

@reesewilliamson3346

Жыл бұрын

You actually have no idea... I have a snowmobile with this engine in it, the thing drags bumper if you snap it wide open but runs out of steam on top end like a diesel, just based on the video here it seems to have very comparable torque to a 250 4t mx bike.

@Thedavidsavage

Жыл бұрын

Gotta keep it ripping! Twist it to the ketchup 😋

@fidelcatsro6948

Жыл бұрын

just rev it up for amazing power

@reesewilliamson3346

Жыл бұрын

@@shaadydog1 if adjusted correctly, there is absolutely nothing I can do with a disc brake that I can't do with a drum, even on a heavier bike.

I had 250 dirt bike , 1977/78 ish.. loved it!! Trying to find another!? They were sold in , Shelton CT..at surburbon cycle...

Nice looking, sounding bikes.

It sounds really cool

Saw a video of a honda qa50 with a rotary and a centrifugual clutch and belt, looks so simple

Nice. .. sounds great

Very cool video. Never knew those existed.

What an amazing sound

Sounds awesome

I'll be a diehard 2T fan forever but having a moto that sounds similar to the FD rx7 I use to have 😍

The sound is amazing. Joints the best "notes" from 2 strokes and 4strokes.

it's just amazing!

We used to have snowmobiles with the Sachs rotary and these motorcycles sound just like them.

Man that looks just like my Penton jackpiner!!!!

@racebiketuner

Жыл бұрын

Ha, ha, ha. That's what I was thinking ;-)

Amazing ♥♥♥

omfreaking I had a 7 speed 250 Hercules, loved to see this

Sounds awesome 😀😀😀😀

If you freeze the video on the Suzuki rotary you can see the bottom of the exhaust pipes has air intakes on them. It ran so hot to head to cool the baffles down

Questa Hercules non la conoscevo, che dire con 3 fasi utili per giro di albero ... è meglio di un due tempi, ma molto più delicato ed ... assetato!!! Regards

Love it

Awesome 👍

I wish they'd have put more effort into bringing this engine to the point of useful efficiency, it sounds so incredibly unique, and the power is undeniable!

@sandervanderkammen9230

10 ай бұрын

Development of Wankel engines reached its logical conclusion decades ago. They are inherently and fundamentally inferior to reciprocating engines and have no further development potential

The rotary beats all other piston engines in one area- they are incredibly smooth. If you have every driven an RX7, you have experienced this.

@ghost.of.aleksz.salad.

Жыл бұрын

lol if you call viberating like yur moms huge toy smooth, then yes

@apodski

Жыл бұрын

Yes, but so is a straight six. Manufacturers don't often use straight sixes because of cost and packaging.

@sandervanderkammen9230

10 ай бұрын

You sir, must be too poor to have driven a V-12 engine... Wankel engines offer no advantages over reciprocating engines and have several major disadvantages which is why they are obsolete technology today

Rotary though wow 🤩

Just amazing , I knew wankel made a street bike but a dirt bike ?! Fantastic .

@EZ-D-FIANT

Жыл бұрын

Wankel didn't make the bike, the original patent for a Rotary engine was filed by Mr Wankel, however the idea has been sold and relicensed since and is sold under those licensie names not the Wankel name.....

@4npushap352

Жыл бұрын

@@EZ-D-FIANT obviously 🙄🤦🏽‍♂️ I was talking about the engine itself …

@EZ-D-FIANT

Жыл бұрын

It's not even called a Wankel engine, obviously you didn't know better but can't admit your mistakes or graciously learn from your experiences......

@EZ-D-FIANT

Жыл бұрын

@@4npushap352 cos you said, " I KNEW WANKEL MADE A STREET BIKE BUT NOT A DIRT BIKE"......

@EZ-D-FIANT

Жыл бұрын

@@4npushap352 if you were talking about the engine you'd have said, "I knew they used a Wankel in a dirt bike. ....... Don't back pedal its weak and rude, just learn from your mistakes and be a decent person ffs.......

I've always wondered about this so thanks for posting. I wonder how the different engine inertia would effect the handling of the MX bike, also why they binned the idea?

@REDNECKROOTS

Жыл бұрын

It's super hard on internals and doesn't have long wear life. Cool idea but there isn't a cost effective way to keep them on the road. That's why u don't see hardly any Mazda Rx on the road. There just rich people,niech car club type people that own em. Need engine rebuild every 25k miles

@onecookieboy

Жыл бұрын

@@ducatimonster9017 It would seem that Mazda have resurrected the rotary as a generator engine for their newest range extender electric car. A single rotor, 800cc constant speed unit. It remains to be seen if it can actually last a decent length of time and how it manages to meet emission standards and fuel economy. I'm guessing it will be smooth.

@Duppavich

Жыл бұрын

I'd assume they would be down on torque and need much more rpms (more wear) to make decent power compared to a piston engine.

@stuwest5862

Жыл бұрын

@@Duppavich 1976 honda dirt bike 23HP/ 17 lb-ft torque 1976 wankel 502 30 HP/ 24 lb-ft torque

@Billy28376

Жыл бұрын

@@REDNECKROOTScan’t be any worse than a 2 stroke and should be just as easy to rebuild.

Very interesting! I noticed it sometimes sounds like a two stroke and sometimes a four stroke.. kinda makes sense with three lobes it is a three stroke.

@sandervanderkammen9230

10 ай бұрын

All Wankel engines operate using the 4-stroke principle

Preeet preet , sounds its cool

rotary : I love burning engine oil engineer : 2 strokes for you then!

This is Crazy

You would think with modern tech in metallurgy, exotic alloys and coatings, that the rotary's shortcomings could me overcome, or at least mitigated to a large degree.

@Jack-tx2ve

Жыл бұрын

They will always be inherently inefficient because so much of the explosive force in the combustion chamber is wasted not directly acting upon the rotor.

@colinscutt5104

Жыл бұрын

@@Jack-tx2ve and its getting a bit late in the life of internal combustion

@skynjaydensdaddy

Жыл бұрын

Check out the "liquid piston" engine

@dr.hugog.hackenbush9443

Жыл бұрын

@@colinscutt5104 Internal combustion engines will still be with us for a long, long time, at last another 100 years. When they make electric heavy machinery, electric trans-pacific commercial jets, and reliable electric farming equipment, get back to me.

@davidbryngelson938

Жыл бұрын

I haven't looked into it, but it seems like Mazda had it figured out..

The best of the best

Crazy power 🥵

Rotary engine are really cool make me wonder if they have tryed diffrent shapes, put a square in there and have four place for combustion or a octagon shape.

Wow! Sounds Amazingly like a two stroke lol! I love it!🙋‍♂️

Looks like a handful to ride definately not a beginers bike and not for the faint hearted.

The way the dirtbike is pulling off the lowend, you would think it had gobs of torque down low, contrary to how most rotaries are suppossed to be... interesting to see the hp and torque specs and a dyno graph of one of these.... also, the weight..did the rotary make it heavier or lighter?

I think that what a Rotary Engine needs most, is more than one rota, just for backup in those in-between times lol, but 4 rota's isn't necessarily. I really love the Van Veen 1000cc Rotary motorcycle, of course it's got 2 Rotas.

@fidelcatsro6948

Жыл бұрын

van veen is dutch??

@simonallan9941

Жыл бұрын

@fidel catsro yes Hank Van Veen is from Amsterdam and an importer or Kriedler motorcycles, Van Veen Kried or Van Veen OCR 1000 Rotary motorcycle, 100hp 135mph.

Looks like I'm not too old to learn something new

3:15 how is that one running without a head covering the cylinder? I've seen the clear face rotary video showcasing how they work but if the dorito is exposed how was it running? Or is that a clear porthole to be able to veiw it?

@leemilica

Жыл бұрын

That looks like a balance shaft to me, probably the counterweight connected to the end of the end of the eccentric shaft

Wonder how one those would sound with 2 stroke expansion Chamber. On it.

I had a 500 sonic bombarder it was a wicked fast bike.

@TheDirtbikeRider

Жыл бұрын

How much fuel did he use?

@FreeWVson

Жыл бұрын

@The Dirtbike Rider more than my yz 490, but i dont remember how much it was the early 90s.

@FreeWVson

Жыл бұрын

I have looked for another one for years after the engine blew.

@FreeWVson

Жыл бұрын

I also had an 87 xr7 with a rotary the A arms rotted out.

Now that is a sexy sound...

@c.a.marsupial.1282

Жыл бұрын

Its awesome. Total BRAGGING rights on sound alone.

Vertical shaft?!? Were mowing decks an available option?

It has just 294 cc per chamber, same as Sachs KC-27 RCE in Hercules Wankel W-2000.

Really cool bike. Just no low end and would only be good as a dual sport

Could you imagine of Evel Knievel would have had one set up by the pros when he did the jump in Las Vegas.

@jerrygoad3093

Жыл бұрын

Too much pride

The gyro effect must be interesting from the horizontal rotor.

@spencerkleiman5035

Жыл бұрын

You'd be surprised how little it effects. I have a 79cx500 the motor is horizontal. You only feel it if you wind her up at a dead stop, and it's ever so slight. Of course my bike has a different design to help counter thus

@NatVirgo

Жыл бұрын

The rear wheel probably fights most of it.

@motofunk1

Жыл бұрын

@@spencerkleiman5035 I guess I should have clarified my comment. Given the horizontal spin of the rotor I was expecting a loss of the traditional feel from a dirtbike. Not sure of the weight of the rotor, and with the loss of the piston stop/start the overall losses of traditional gyro would be interesting.

@EZ-D-FIANT

Жыл бұрын

Honestly of all the keyboard warrior comments here yours is the only one I respect....

@EZ-D-FIANT

Жыл бұрын

Is it horizontally placed, as opposed to longitudinally yea, so the crank is 90 degrees to the direction of the frame? (I'm actually a Rotary engine builder, not on this platform and haven't watched the video yet), cos if it is, and it's rotating forwards it would actually help stabilise in the same way a reciprocating F4 would just less due to the reduced internal enertia of the dorito, now if its sideways (crank forwards, rotating sideways) then were gonna feel it but I've a feeling it's not, gonna watch now.....

Muito legal!!! 2 tempos!

@elpocasombra9237

Жыл бұрын

É um rotativo, ele usa óleo dois tempos mas o funcionamento é completamente diferente, ele nem usa pistão

@trimagos

Жыл бұрын

Sopa do macaquinho huehue

I had a mazda rx2 I could pull one front wheel off the ground. 16000 rpms but TERRIBLE gas mileage 16 mpg was the average. My teflon seals went out and would burn oil. Had alot of fun one of the fastest cars I had.

*NSU Ro 80* , was the first car with Wankel-Motor... after this, the Mazda☝🏻 (i'm thinking) My Dad driven 2 NSU Ro80, this car was 20 years forward, of the other cars.

How about the fuel consumption in this machine? Is it very wasteful compared to a 4 stroke piston engine?

That Hercules sure looks a lot like a KTM / Penton .. My friend had a Mazda RX-7 70 Cubic inches every peppy with lots of torque..

@EZ-D-FIANT

Жыл бұрын

I can make your mates 13B bullet proof, infact, tell him to replace his hollow locating dowles with solid ones, run external oil as those dowles usually are hollow for oil flow, separate oil injection fuck pre mix and malleable seals, they don't shatter and do damage just bend, that's good for a road car....

@sandervanderkammen9230

10 ай бұрын

The RX7 is notorious for very little torque and not much power either.

@sandervanderkammen9230

10 ай бұрын

​@@EZ-D-FIANTNo one can make a Wankel engine reliable... and anyone that claims to is a big fat liar.

@mikeskidmore6754

10 ай бұрын

@@sandervanderkammen9230 Not True .. My friend had one it had a lot ot tourque and was a fun to drive sports car maybe around 1981 or so

@sandervanderkammen9230

10 ай бұрын

@@mikeskidmore6754 Nostalgia is a seductive liar... if you simply look at the specs on these cars torque and horsepower out on these cheap little cars was pathetic... Compared with reciprocating engines they were right at the bottom.

sounds like a spicy 2 stroke

@sandervanderkammen9230

10 ай бұрын

All Wankel engines operate using the 4-stroke principle

Top demais

Is a good engine for hard-enduro?

@Oberon_Boost

Жыл бұрын

Not best, but like 2t

Mantap 👍🙏🇮🇩🖐️

Sounds like a old RX7 💥

Bagaimana untuk menghitung langkanya berapa bozz..🙏👍

So it's not going to clear LaRocco's Leap.

I believe the street bike had 28 BHP. Been in negotiations for one.

@c.a.marsupial.1282

Жыл бұрын

Good luck with that. They are awesome.

@fidelcatsro6948

Жыл бұрын

so you didnt buy it?

If a 3 stroke existed i could imagine this is what it would sound like

@ghost.of.aleksz.salad.

Жыл бұрын

i dont think so...

@ghost.of.aleksz.salad.

Жыл бұрын

rotarys are known for sounding like they do for reasons that dont make sense with your statement

@murrijuana2842

Жыл бұрын

@@ghost.of.aleksz.salad. non rotary people just don't get it.

Hercules needs to concentrate on building and all out race bike(Motocross) they may well be onto something.

I have a handful of wankels. They are special lol

Can a 2 rotor Mazda engine fit on a dirt bike I wonder... mmmm It's giving me ideas.

basically a dirt with extra bbbrrrraaaapppp lol could you imagine a mini 3 rotor in a superbike

The sound this thing makes is wild. It’s like a 2 stroke and 4 stroke had an ugly little love child

MY dad had a rotary road bike. Shaft driven. He said it was absolute beast. it was road bike. Can not remember what it was

I'd be curious about the low end. How much torque off the line, hill pulling power and get you out of a bad situation acceleration. I have several early 80s bigger KTMs, a 250 and two 420s, that you can plant corn in the ditch they leave in their wake. The 420s accelerate just as fast going straight up as they do on the level, I'd love to have tried one of these Hercules bikes back in my day. ✌️

@EZ-D-FIANT

Жыл бұрын

Thing is they don't ride at low revs, O constantly have this debate with non Rotary guys, its power band is higher so we use it higher, torque is comparable to a normal bike due to thebreduced inertia from the rotating mass, it will ride great and very normal, infact it might kick the tyres quicker as it will actually hit its torque band quicker and fly through it faster then a typical power band, that's why this dude keeps loosing the back when pulling away.......

Looks like it rides like a tank with thrusters.

Want to a wild rotory Type Curran brother Castrol R x 2

Sounds like a 3-stroke.

Was surprised that the engine's don't rotate same direction as wheel and chain,thought bevel gears stole loads of power ?? X

@EZ-D-FIANT

Жыл бұрын

Yea that surprised me too but the inertia of the doritos is lower then the inertia of velocity and the spinning wheels so I doubt it's very noticeable however I'm sure it'll be measurable and in a jump I bet it would turn if revs were kept up, so many people talking nonsense here finally an intelligent statement...👍👌👍

Suenan como un gato ronroneando

Imagine adding a small turbo compound system to capture some of that wasted exhaust energy and apply it to the crankshaft

@sandervanderkammen9230

10 ай бұрын

Because Wankel engines are so inefficient they have EGTs that are too high to run exhaust turbines efficiently... the required fuel enrichment would destroy fuel economy.

The benefits of 4 stroke but woth top end and acceleration of 2 stroke at high rpm.ideal

Was it Johnson that put a Wankle in a snowmoble ?

@davidbryngelson938

Жыл бұрын

Arctic cat, others may have..

@mikeskidmore6754

10 ай бұрын

@@davidbryngelson938 Yes Johnson had one for a year or two .

Sounds like a 2 stroke sometimes and then a 4 stroke sat other times. I believe low rpm 4 stroke and higher rpms like a 2 stroke.

So where is the explanation on how it works? All I saw was the same shots of bikes being ridden with a 10 second glimpse of an engine diagram

How s it connected to the transmission and what transmission does it have?

@simonallan9941

Жыл бұрын

Just a normal gearbox connected by an 90° angle gear drive to the clutch.

30 ft lb of monster torque

What about specs?

Sounds like a cross between two stroke and a four

Going around the track this thing sounds like a 3stoke

а что ресурс? 2 часа?

Why not overhaul the engine or make similar from billet and put it in a modern chassis?

I’m wondering if this video was put together by an ai like chat gpt

De fato parece um rx7