Mazda's New Engine is the Smallest and Most Powerful Engine Ever Made
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- Опубліковано 10 лют 2025
- Mazda's New Engine is the Most Powerful Engine Ever Made, DIY and car review Scotty Kilmer. New rotary engine made by Mazda. How rotary engine work. Are rotary engines good? Are Mazda cars any good? Is Mazda worth it? Should I Buy a Mazda? The truth about Mazda. Car advice. DIY car repair with Scotty Kilmer, an auto mechanic for the last 55 years.
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Scotty, are you by chance originally from the Chicagoland area? Your accent is straight out of Joliet, IL.
This is a better solution than just plugging it in 🤣 imagine middle of the high way no charging stations for 100 miles , also love the video
I'd prefer a Tesla Turbine generator
Wonder how many miles will this small rotary last, with the improvements they made? Also, if it runs at the optimal speed, will that make a big difference as well in longevity?
No panacea. Rotary is part of the hybrid light weight small unit answer.
Felix Wankel is a genius of the first order. Combines 4 cycles into 1, brilliant.
Agree one the greatest thinkers in automotive engineering hands down...
The Wankel still has 4 cycles...
@@captainnw6238 Think he met 4 cylinders, at least I assumed that...
@@captainnw6238
4 cycles, in 1 rotation
@@captainnw6238 you knew what he meant ya doofus.
I think mazda is being pretty smart by using their rotary as a range extender. The rotary is great for compact power generation!
Exactly. Has the benefits of gas but without the extra weight.
My '82 Rx-7 was the best car to drive I've owned. I loved how quickly the engine revved.
I think the range extender rotary makes perfect sense, 4 all of the reasons Scotty gives of it over a piston engine. While 54 miles isn't much, it works 4 MOST driving, so the rotary would actually not run much at all.
Probably you still need to make sure to occasionally run the fuel tank to near empty so that the gasoline doesn't go bad from age.
Does it have a catalytic converter?
I just think rotary has bad history of problems. I like toyotas hybrid idea with their fullsize camry hybrid but mainly particularly what i mean when I say that is how they do 4 cylinder natrually aspirated
Perfect for your dystopian 15 minute cities. Good luck with your enslavement.
I live in TX, so this could not be my only car without the range extender. It would take me 14 days to drive across my own state if I could only go 54 miles on a charge and then have to plug it in over night. Good luck finding lvl 3 or even lvl 2 chargers anywhere. If I could fill up the gas tank for the range extender and get 400 miles out of it, that would be much more useful. I assume I could extend the range as much as I wanted by filling the tank again.
I like this design. It addresses the biggest problem with internal combustion engines: thousands of motors sitting there idling in rush hour traffic. You can't shut the motor off because you're still crawling along. A small battery and electric drivetrain fixes this. The gas engine generates essentially all the power for highway driving and the battery handles the city driving. It's the perfect realistic solution.
100%. It's a huge reduction in carbon emissions, without the $15,000 lithium batteries on EV-only cars like Tesla. I think hybrid is the reasonable way of meeting emission goals.
hybrids already do this...
@@ilyarepin7750 to a lesser extent
@@ilyarepin7750 A battery electric drive like this is better because the hybrid is integrated and complex, and relies mostly of fuel for all use. A separated system allows more use of grid electrical usage, with fuel only needed for longer trips. I drive a hybrid, and it is not as good as I assumed it would be. Not happy with Toyota's deceptive marketing.
The big bonus being that the lithium mines that use child slave labor are on the other side of the world so you have to see it every day while you're on Tik Tok otw to work.
Still the best Visual / Graphics team in the business. Makes it very engaging. Give your team a bonus Scotty !
Serious, these videos are top-notch. And Scotty is a great narrator. 🏆
I laughed out loud at quiet rotary face lady 😂
You have given me the confidence to work on my own car when I have always been way too intimidated to do anything other than general maintenance. My wallet and car are so much better because of you. Thank you, Mr. Kilmer, for your wisdom, honesty and videos.
What kind of work have you done other than general maintenance? Scotty doesn't really show how to do anything too complex other than things like brakes or oil/transmission fluid changes.
The Wankel has serious potential as range extender. Unfortunately, it came out at a time when an engine design, called, Liquid Piston, a triangular one engine with heatsinks shown several times in this video. That one is also promising especially on the efficiency sides. The Wankel's saving grace is if the Liquid Piston constantly finds itself on dead ends that only makes it ideal up to motorcycles.
That the rotary engine isn't at the variances in rotation from direct driving will probably go a long way to extending the engine life. It will all be run by computer systems to maintain power levels, which is likely a difference maker.
I agree, you can optimize for power and emissions levels and just run the thing at a constant RPM once it warms up.
Please make as many EV comparison videos and in-depth engineering videos like this one as possible! Loved everything about it. Very comprehensive.
will do, thank you!
This is an ideal use of a rotary engine. It is small and light. Mazda have been able to pick the rpm range to make it most efficient for charging. What really interests me is the potential ability to use it and the battery as an emergency generator for my home. That is becoming an increasing need give the bigger storms.
1500 watts is too small to power a home
@@sdgreen4580 Correct, but a refrigerator and a couple of lights should be fine. And can the output be greater with the Wankle running?
Single speed Diesel engine or gas turbine would also make good generators.
@@sdgreen4580 my computer is 500watts fridge is 400.. that’s all I need
Pressure your local power company to put the power underground. This has been policy in New Zealand for decades, and improves reliability in the worst weather (and earthquake).
I remember in the 70's I installed an extended range device on a Ford Ranger full size pickup. It only took a couple hours to install it by myself, but I realized an extended range of 250 miles more in distance. If I recall correctly, the device was called an Auxiliary fuel tank. 👊🤠 Such a simple device, yet very effective.
🤣😂
you actually named a fuel tank *Auxillary?*
@@andyman8630 Yes. My dually has a 37 gal tank. Four 5 gal cans in the bed holds another 20, so a range over 800 miles.
F-250. Switch on floor near drivers door.
@@patrickmcdonald3427 4
Hell yes the addition of a small engine to charge the battery is a great Idea and makes me actually want to buy one
Chevy released the volt back in 2011 that does the same thing. To bad they killed it off in 2019
It’s also not a new idea. The first production hybrid, gas engine charging batteries, was introduced around 1902 by Porsche called the Lohner-Porsche Mixte.
The problem with the Volt was that it's a small vehicle and not practical for many people that are interested in that type of efficiency .
I think we're still waiting to see this setup in a practical vehicle. Obviously, if this type of setup can be used to move trains and cargo , it should be adaptable to say, an SUV or minivan . I'm just not looking for a low slung 2 seater at this stage of my life.
@ginakerry2588 the second generation volt was actually based on the chevy cruise and is a very practical vehicle in the sense of space and utility. As a 6'6 individual I actually bought it because of the spaciousness inside.
Smaller battery means lower time to charge as well. This is pretty cool. I'm not too keen on EV yet but when we get more charging stations, faster charge time with higher range (and battle tested for a few years) I might consider one. Keep it up Mazda!
Anyone who buys an EV is supporting child labour in the Congo to mine cobalt. Say no to EV!
People should stop falling for this farce that electric cars are the future, and that they're better for the environment. They're NOT. They're far worse for the environment than internal combustion engines. Besides thinking about where the electricity to charge them comes from, how dirty that could be, there's also the following to consider:
The batteries in an electric car weighs about 500 kg. To make a car battery of this type, you need to process 10 tons of salt for the required lithium, 15 tonnes of ore for the required cobalt, two tonnes of ore to get enough nickel, and 12 tonnes of copper ore. In total you have to process 200 tons of soil to make a single battery.
And if this wasn't enough, this pollutes more than a petrol/diesel car does in 20 years of normal consumption. The mines in South America that mine these minerals also make use of forced child labour to work the mines.
One electric car may go through three batteries in it's lifetime, making the pollution equal to 60 years of driving an internal combustion car.
Think twice before you buy an electric car, it's a scam that uninformed people fall for.
More likely the generator would top off the battery while you got lunch. Charging would be optional, though more efficient. win-win.
Also, the original hybrid car (over 100 years ago) was like this - a generator connected to batteries. It's also how trains work as it's the most efficient combination of power and range. I suspect that the future of air travel will eventually (several decades at least) be like this as well with electric engines and an onboard generator.
@@BubblesTheCat1 wrong they are worse at the start but through their life span they are better for the environment. Also they haven't been around for a long time. We will continue to be innovative and improve them. Just like we have gas or Diesel powered.
@@BubblesTheCat1 I see you have been getting your "information" from Fox News. ;D
It's a series hybrid. The Chevy Volt did the same thing years ago and flopped because they didn't know how to market it. Hopefully Mazda doesn't make the same mistake.
I like the idea of a battery extender engine. If the engine were air cooled, the engine could simply be bolted down and have two electric cables going to the batteries. If you need work done on the engine, it could be popped out in five minutes or less making it much easier to work on the engine.
To answer your question Scotty, YES.
I'm in California and I love to see the MX30 REV released in California (and the US). Solely for the range, but hopefully also for extra cargo space.
I test drove a Mazda rotary in 1974. The smoothness and quiet was jaw dropping!
Then you will love EVs even more
hosocat 1, My son had an MX7 in the eighties. It was really quiet too but that's because it was broke down almost permanently. A money pit. A load of crap.
My 1976 Mazda RX-4 was amazingly smooth, quick, and quiet. It came out at a bad time (high fuel prices, folks comparing mileage to a 4 when it was more comparable to a 6). Unfortunately, within four years just about everything broke on that car, except the rotary engine.
It would help if the MX-30 was as easy to replace as the old vw beetle engines. Disconnect the fuel line, pull the electrical plug, disconnect the throttle cable, hook a hoist onto an engine handle, remove 4 bolts then lift it out. The only difference is that the vw aircooled engines came down from the bottom of the car. It took minutes instead of hours to remove.
This range extender is a stroke of genius. We get an economically priced car. Cheap electricity for short daily trips. Very long trips with the range extender. And, if there is mechanical problems with the range extender, then it’s easily replaced because of its low weight!!!
Cheap electricity on coal and Nat gas only. Oh and nooookalur.
@@haywoodmorganjr1326 Sure.
@@haywoodmorganjr1326 If you think Solar panels can replace coal, nat-gas and nuclear, you might as well replace those with wishes and unicorn farts...
It was called the I3. BMW from 2015 to 2021. You had the option of just electric, or having a range extender added as an option.
@@haywoodmorganjr1326 How well was that working during the ice storm? Think again...
I'm not saying the technology won't be better in 100 years, but now, try to replace fossil fuel/nuclear with solar panels is suicidal. Can't believe a red state like Texas is so damn stupid...
I have a 2016 Chevy Volt which has 53 electric miles and 302 gas miles. 85 percent of the miles are electric. Gas miles are only used when I travel long distances. I like the Mazda design. The reliability of the engine is to be determined later. The reliability of other components are also to be assessed
At 5:06 your photo is not a wankel motor it is of the liquid piston motor
mazda's way is the way to go for a hybrid. I really liked the chevy Volt (not Bolt) for this same reason. You really get the best of both worlds--you have 100% electric for in-town trips (124 is pretty good to get all your errands done). But you also eliminate range anxiety. Plus, unlike other hybrids, that require a transmission to convert the engine's power to the drivetrain, Mazda designed this in a way that makes sense--always power with the the electric motors - yes! these are powerful motors so it makes sense. Now you have a generator in your car, which, like Scotty mentioned ,means you also can easily tap into the power if you need emergency electricity
Hybrids don't make sense to me. Electrics are ok, but I've experienced tyring to take a 400 mile road trip with one of those, and it's no fun. Now you can have a car that does it all!
I drive the most hated car in America, a Prius (as do my wife and daughter). Its design is a tramission-less drive train that employs a motor-generator- starter all in one. Ours average 42 mpg and have a range just under 400 miles to the tank. One downside is the HV batteries that typically last about 200,000 miles, but can be replaced for around $1600.00 by aftermarket companies. Yes, it isn't a V8 or even a V6, but they'll do 100 mph if needed, and where we live some area's speed limits are 85 mph. Did I mention for an old tinkering retired tech., they aren't hard to work on?
@@Rev22-21 sounds like you like yours ok.
Although I am not a fan of battery vehicles I can see where this would be a good idea.
Yup its a perfect bridge and fixes most of the issues people have with evs right now
Scotty, As an owner of a 2022 Prius Hybrid, I thought you were describing MY car at first !
I know, I know, no Wankel engine... But the car is basically an electric car with a MOBILE generator.
It gets about 420-450 mile range and still has decent acceleration when needed. Also if you are not paying attention, you will find yourself cruising at 80-90 MPH !
Right road, right music... OOPS ... I was a skeptic when we first got the Prius, but I like it more and more .
Mazda needs to make this PHEV version with at least a hundred miles EV only. Also, they need to put in a more performant motor. In addition, I would love to see this deployed with Sodium Ion batteries circa 2024-2025. This engine could also run on Methanol, DME, Hydrogen, Ethanol, propane et al.
The range extender hybrids are the best way of car building. This principle was used in the train locomotive: the combustion motor drives the generator, which gives the power to the electric motor, which turns the wheels.
This is a very good idea. Using a small rotary as a range extender (battery charger) is great. Beats the hell out lugging around all those expensive heavy batteries which for most the time are useless. And you can refill the range extender in no time flat.
..and heavy, and bulky, piston ICE engines.
When I was a kid my favourite car was the NSU Ro80 (rotary engine). As an adult I love EVs. Plus the MX-30 is a lovely car. So this is perfect.
Thanks for the excellent review and explanation.
It would be great to hear how Mazda addressed the oil burning and impartial fuel combustion problems.
I suppose that big problem is mostly addressed with a catalytic converter. Plan on the next generation of ICEngine utilizing "combustible" hydrogen. Toyota and Kawasaki have successful 4-stroke piston H-ICEngine test models but not yet applied to a PHEV+H drivetrain. Timed fuel injection and turbocharged platform. PHEV tech increases fuel economy ~30%, reduces emissions ~90%. Otherwise, the list of advantages PHEV tech offers is off the charts. I'm predicting PHEV tech could serve 65% future EV needs and is especially applicable to long-haul freight truck fleets. BEV tech serves the remainder in mostly lightweight and short distance travel/transport needs. Hydrogen fuel cell EVs may offer only half the MPG possible with PHEV+H tech with hydrogen stored at lower pressures (1750 lbs vs 10,000 lbs) in smaller tanks. The Chevy Volt is rated an effective 150mpg and with its 18kwh delivers 50 miles on battery pack alone. The real problem is we drive too much, truck and ship goods too far. PHEV tech offers more potential to address that existential problem.
Since it only runs in a very tight rev range, they likely can tune it just right.
I LOVE IT! Small battery means lower recharge times, no need to rewire your garage, lighter weight, gifts that keep on giving. However I would be more interested in a smaller version that gets 60 mpg and still gets 300-400 mile range.
Rotary was made for this. Very small and compact. As Scotty mentioned Computer would control rotate rpm thus allowing for long life.
I have read that the apex seals are much more durable when a rotary engine generally operates at a steady speed, which is the case for this hybrid
"[It's only available in California. We don't know when it'll be available in the US]" or words to that effect. The last time I looked, California is in the USA.
Having driven an RX4 wagon with teenage passengers on an 11,000 mile Great American Road Trip, I can certainly testify to the quiet, smooth driving experience. Glad to see this new rotary, paired with electricity.
Loved my old RX-7's.... so much fun!
Great idea GMC had the volt does the same as the Mazda. Uses a piston same eng for gen. I have a volt it is fantastic. The gen kicks on when batteries get down to 20 percent. I never have to worry about running out of bat. Want to see if Mazda can do as well as the Volt.
Too bad GM is not making Chevy Volt anymore. All GM have to do is to improve the production efficiency and Chevy Volt reliability. It is a great design. GM is too impatient to give up on Chevy Volt.
Mazda is what Toyota was over the previous few decades. They represent the BEST VALUE in each vehicle class. They offer amazing luxury and power at the price of a Kia or Hyundai.
Toyota has had it good for some time. Maybe, they are no longer hungry.
Amen brother!
Except for sedans and pickup trucks ..or are we not counting those as legitimate classes vehicles any more??
@@jongeephotography - The Mazda 3 sedan is arguably the best values in its class. Does Mazda even make pickups?
We had the mx30 for a while. We used it as a city car with two children. Had to sell it when we got the third. Great car for short drives.
I'm curious on what a 2 cylinder or 3 cylinder motorcycle sized engine would output as an extender. Those engines can get pretty small, so my thought is that it could still be pretty easy to fit it into an already existing car. Or even a single cylinder engine for smaller cars that don't have massive batteries
Vibrates like crazy
More weight for safe passengers means more engine . Hard to get past that...
Didn't workout so well for BMW i3...
In addition to any other issues folks here have brought up, I imagine noise would be one. For the engine to run in an efficient range without lots of RPM and the noise that comes along with it, it would have to be sized appropriately and I suspect something based on a motorcycle engine is not the right answer there. Same issue with one cylinder engines.
i have always wondered why car manufactures didn't do something like this with a small engine. It's just like how diesels trains work minus the battery's. Good on Mazda and I hope they do a rx9 one day from this new engine design.
It seems almost certain that Mazda was planning to make the PHEV version of the MX-30 from the beginning. The hood area was oversized for a battery-only EV. Maybe they never intended to sell a lot of the BEV version. The PHEV seems like a better value in almost every way.
evs will turn out to be one of the biggest ecological disasters in human history
Thanks Gretha
Doubt it.
Don't neglect all those electric bicycles selling like hotcakes - Think of all the squirrels they will run over - ecological disaster!
SELAH
@@poncho828 you doubted wrong
I don’t know much about cars except major things like a V or Boxer type engine. This was really good for some one at my level.
👌 Coming around again!!! Scotty, I had a 1970 Arctic Cat snowmobile with that wankle motor and what a machine..... Rode that machine 1100 miles over the Minnesota farmland and ditches. Top speed was maybe 50 mph. Finally April came around and we just had to see the inner working so we tore it apart, could NOT BELIEVE something like that could run so nice. I can't remember the oil to gas ratio but there was oil coating everything for plenty of lube. There was a distinct sound from the exhaust that was unmistakable. I seem to remember there was a pickup with one in it in the early 1970's a mechanic owned, maybe Mazda???? THANKS FOR THE VIDEO - ALWAYS ENJOY YOUR WORK! 😍😍😍😍😍
Mazda 3 in little truck 72.120 mph.
I'm in England. This is top of my list. I've had 3 NA Hyundai SUVs. Not ready for pure electric. This looks ideal.
My NEXT NEW vehicle (7 years) will be Mazda. Seems like Mazda is 1 of few that produces in Japan still
Maybe they should try figuring out how to make a wind-up car. Self winding like a watch. But also comes with a key for winding when you run out of spring juice.
I'm surprised they didn't work with Liquid Piston for their rotoray design. It's even more efficient, smaller and more powerful. Scotty used a Liquid Piston image in this video as a shout out.
Liquid fuels will always be superior in flexibility because their energy is made easily portable allowing extensive ranges unlike electric which needs a nearby recharge source.
I have built and worked on many
Rotary engines. Wonder what the buyer will think when they learn, a rotary's get lubricant like, exactly like a 2 stroke
I think one of the other benefits of using a rotary engine as a range extender is how simple it is. You don’t have to worry about valves and camshafts and all the other mechanical complexity that comes with a normal piston engine. Cars are moving to electrification, it’s just the economics and benefits of it. Having a range extender, as opposed to an more traditional hybrid, means that you don’t always have and ICE running. Electric motors are more than powerful enough to be the drive motors of a vehicle. Having a range extender means you don’t have to rely on power stations when on road trips, and don’t have to worry about using gas for a trip to the grocery store.
I would totally get this
My 1st car was a 79 rx7, i used a hvac technician who was a home mechanic as my mechanic-he was a lifesaver.
Only way i would buy a rx is if i knew an hvac tech who liked to turn a wrench.
So this seams that Toyota and Mazda's collaboration was a sound move. As it stands now it seams to be the vehicle that will start a new interest in such forms of future transportation. Peace DVD:)
We've been driving Chevy Volts since 2015. Same principle, but 1300 cc 4 banger. Too bad it was discontinued.
I really wish we could crack hydrogen cars. They seem to be the best combination of EV efficiency and gas convenience
We could get water from California 😂
@@killdizzle They are indeed.
Big boom if things get all crashy crashy.
@@jsEMCsquared right cause water does that
@@m-cw7er no... Hydrogen does that.
It seems a lot of people does not understand that this is not Prius copy concept. It is the idea implemented on Chevrolet Volt and on some Ford variant. Mazda idea is a BEV (battery electric vehicle) with an ICE generator onboardcoupled as simple as possible. This new Mazda is a Series-hybrid, less complicated (electronically and mechanically) than a "Power-split or series-parallel hybrid" like Prius. The novelity is the weight of the electric generator (ICE+generator) and the possibility of changing the fuel to H2. (rotary adaption to hydrogen is easier than for a 4stroke ICE)
Hey Scotty, my 2015 Mazda 6 GT has 136 miles, still driving like a brand new car! My goal is to drive it half a million miles!!! Will keep you posted -:)
136 miles,. I hope it still drives like new
136. Well Yes it’s still virgin TBQH
The car is nearly nine years old. Have you been keeping it in a showroom like a museum piece?
@@Russell-rc6qq No, lol.. Keep it on my driveway. I hand-wash it every week, do a lot of highway driving and get all the fluids replaced on time.
136k....?
I have a Chevy Volt that gets 48 miles on the battery and works the same way this car will. It is genius. I buy maybe 20 gallons of gas a year. When on the gas at 80MPH I get 40 MPG. Long trip, no trouble, go on gas. IMO this is where all of these cars should go not direct to battery only before battery tech is further along.
I believe that that rotary engine fits perfectly as a range extender. I do believe hybrids will become more popular. Van Electric vehicles.
Your No Yelling And No Very Loud Into's Made This Video Much More Enjoyable To Watch
I always thought having an electric car with a small generator driven by a high-efficiency small engine built in would be a good idea. I don't think the super small battery pack is a great idea though. I think it would also be good if the small engine ran on propane. The engine could be designed to run that pretty much one speed which would allow you to design something with really high efficiency. This would also eliminate range anxiety. I think a turbine engine could be designed to run at really high efficiency. For a generator you don't need any low-end torque, it just needs to slowly ramp up to an optimal RPM and stay there.
I think liquid fuel is perferable. Gaseous fuels you run into entirely different complications and dangers. Propane works for the grill bro. Not the cars. Toyota alreasdy makes a prius prime which us more heavily electric. I dont like it. I think big batteries are a liability. The cost of a big battery and big electric motor and big engine is high. If either one has a failure its not cheap.
Many years ago (before Tesla, before the GM EV1) there was an Electric Car Club in Melbourne Australia. They would get cheap old Japanese cars with blown motors, then fit them with electric motors and... (wait for it)... heavy lead acid batteries, giving a range of 15-20 miles for daily use.
When they brought these cars to Adelaide for a special event (450 miles), they would just mount a small Honda Generator on the rear bumper for the trip.
Genius... though Mazda's set up does look much better. :)
@@TheAnnoyingBoss Propane tanks that you buy (for a grill or torch or heating your house) is actually LIQUID propane. If you shake the 1 or 20 pound tanks, you can generally feel it sloshing around.
@@dzcav3 I don't think you're going to get him on that technicality. Although in truth propane is a better fuel than gasoline. Propane Burns a lot cleaner than gasoline; (in fact I don't think you even need a catalytic converter for a propane engine) and this also means no soot deposits to clean out. And the fuel mixes evenly without the need for a special injector or induction swirl. However a gas fuel engine usually runs a lot hotter, than a liquid fuel engine. And propane is generally lower energy than gasoline, which means you will be refueling more often, like with ethanol. Also cold starting and be an issue for propane specifically, but not necessary with natural gas; because at negative temperatures, propane doesn't want to boil in the fuel tank. But that is easily solved with a silicone heating blanket; and a gas vaporizer when your engine heats up. Believe It or not, propane tractors were popular for a while; until they were mostly displaced by highly-efficient diesels.
Drill, Drill, Drill.
It's your only hope for the future. Ev's are a joke and if we go to them exclusively, none of you will have one unless you are a party member comrade!😑
Had a RX3 and a Suzuki RE5 motorcycle, both a lot of fun but expensive to maintain, terrible fuel mileage, excessive oil consumption, and engine failure. The smooth constant acceleration was awesome! Unless Mazda has found some revolutionary fix I think they are only going down triangular rabbit hole, once again. Based on the video I didn't see the improvements needed to compete with today's lightweight internal combustion engine. The rotary's 25% improvement in fuel consumption would make it a gas guzzler compared to todays internal combustion engine!!! The video NEVER gives the mpg while under rotary power, there is probably a GOOD reason!
The engine is not 33 inches long - it's 33 cm (13 inches) long
Back in the 70's Honda tried rotary engines on some motorcycles. That failed due to starter issues. It seems that because the engine was so smooth and quiet that riders thought the engine had died at lights and stop signs so they kept trying to start a running engine and ate up the starters.
Well researched, informative video!
Three other advantages:
1: weight. The weight of the battery and generator is the same as an ICE vehicle. Most EVs are at least 1000lbs heavier, and in some cases are pushing SUVs to nearly 6000lbs. This kills range and also makes it a boat to drive.
2: Replacement. It's a generator that's bolted in in a few places. The entire thing plus radiator is one "unit" and appears to be a simple hour or two job to replace with a new one. Or to pull out entirely to work on. Basically all that's connected to it is the fuel line and some electrical components. Easy and mechanic-friendly.
3: Long range use. The range on a highway trip if you stop and re-fuel is basically infinite. The main issue of battery only vehicles is their finite range and the anxiety they cause. If you need to run, say, 450 miles, then top off the gas somewhere. Then have the car charging itself while you are having lunch or just plug it in - no worries.
Range extender is a brilliant way to get around the fact that there's not enough mining and refining capacity to switch to full electric and have every car having a full sized battery. Gasoline is many times more energy dense than the best automotive grade lithium ion battery.
This type of hybrid (pure electric drive train, with generator ICE) makes a lot of sense. This is how almost all modern train locomotives are powered. The pure electric drive train eliminates the costly, complex transmission, and allows for regenerative braking to recharge the battery. The gas engine/generator allows the car to go on long trips without range anxiety and wasted time charging. The engine/generator can produce cabin heat on cold days without draining the battery excessively, and (if designed well) can also be a general purpose electric generator for remote locations and blackouts. The flexibility of being able to use gas or electric is useful when the grid goes down or gas stations run empty.
That motor needs to find its way onto a motorcycle as soon as possible
It will. it seems to have a very limited rpm range, so it would need .... im not sure.
I wish you were right- but Scotty explained that Rotaries do best at steady rpm’s - much like an airplane engine…
Car engines having transmissions changing ratios and thus RPM differences causes issues with Rotaries
See 7:20
@@lbart2005 maybe 🤔 posting a link that corroborates your claim would help here 🤷🏻♂️
Look up FortNine’s video titled “The engine that kills everything it touches.”
Much probably depends on the price point. This may be a good vehicle for homeowners that only occasionally take a road trip and can charge at home. It wouldn’t make sense to apartment dwellers. It also wouldn’t make sense to someone that drives hundreds of miles a day, because the rotary engine may have dependability issues for road warriors that run it frequently and not have those issues for someone that just needs an occasional charge from the rotary.
I like the idea of a range extender EV with a much smaller battery than typical EVs, but I'd stay clear of rotary engines. I kinda like the opposed piston engine designs I've seen. I can imagine one of those making a great range extender.
I like your thinking.
Perfect application for a small OPOC engine running at a constant RPM when needed.
The opposing pistons are great and produce extreme torque. It's use in WWII submarines proved it. In fact in some cases trouble or damage was sometimes temporarily overcome by disconnecting a cylinder if needed. They are, however, two strokes so diesel or a fuel/oil mixture is needed to keep the cylinders lubricated so that's a negative for emissions and as with all reciprocating pistons, they stop twice during each rotation. The rotary has the potential to be a lot better because it's torque curve is like a turbine or electric motor; just smooth and steady.
I’ve thought the same thing, it’s something I’d like to experiment with if/when I ever win the lottery.
@@waynegilchrist1596 I've read of gasoline OPOCs, but I don't know about the lubrication. I'm not too much of a gearhead, and it was some time ago.
Very little vibrations with rotary engine. 1/2 the weight of the other internal combustion engines. This engine could also run on Methanol, DME, Hydrogen, Ethanol, propane et al.
Rotary engines have been attempted many times, but the engineers never quite got the bugs out of the system when they went into production. Have they finally been ironed them out? The advantages of a rotary engine are intriguing, assuming it is reliable.
I think it’s great. They just should’ve kept the battery size they had previously instead of shrink it.
No. Battery ev’s are heavy pigs. This can actually be lighter now, by a lot
Hope this gets introduced in Europe. Wanna try it. 124 miles electric is more than I need for my daily commute and for weekend trips I could use the Wankel for extended range. 👍
So this sounds like similar tech to the Honda clarity. Scotty what's your thought on the Clarity? Do you think Mazda will have more success with this vehicle than Honda had with the Clarity?
a good thing about the engine being small is they will likely be able to get the weight balance dead on. it will likely handle nicely
Everyone gangsta until the Wankel Engine is perfected.
In parts of the world where winters can be very cold & public fast chargers are scarce. This new mazda is a very good solution.
Range extender engines are a great idea but rotaries are as wildly inefficient as a 2 stroke.
I don't get it.
Rotary engines are incredibly efficient. They lack torque, but generate enormous amounts of horsepower for their size. Since this engine is simply a power station for the very small included battery, it should be a pretty perfect mix. Assuming you don't need the engine to turn on each and every day you drive the vehicle, you're looking at many hundreds of miles per gallon of gas. I didn't see any info on the gas tank, but I can't imagine it will be larger than 7 gallons, which would get you a minimum of 21 hours of drive time with the engine running, which it doesn't need to for the first 40 miles driven after a charge, 21 hours at 60mph = 1200 miles, assuming the battery can take all the charge thrown at it.
I think Mazda either underestimated range or the gas tank is more like 2-3 gallons.
@@freebobafett efficient in every way except fuel efficiency. In that they are very inefficient. Reportedly as much as %50 less fuel efficient than a piston engine
In 2017 Audi experimented with a rotary engine range extender in their A1 e-Tron. Not sure why it got dropped although the reason was likely to have been cost - after all, it is only a small car.
With great power comes great catastrophe. I can't wait to see the carnage, hopefully we can see one on I Do Cars before too long 😊
@@jamesvandamme7786 absolutely
Sounds like a hybrid dude! Moving on..
Me likey Mazda..!
Nice to see the Rotary engine still has a use. It's still the coolest engine ever made and i always wanted an RX-8 but regulations always screw that up.
This is one of the few EV/Hybrids that almost makes sense. For the US market, they'd need a bigger battery/more range.
It makes no sense. 124 miles? Nissan leaf is a better buy.
@@m-cw7er Some people don't want to broadcast to the world they enjoy watching their wife get railed by other men.
@@m-cw7erAlso did you not see the part where I said it needed more range and then it would make sense in the US market?
@@rev68 yes. Still a dumb idea. Honda should team up with Madza and produce an ev.
That’s the whole point of the new MX-30 REV; with the rotary engine range extender it can go 400 miles with a smaller battery than the original MX-30 EV that only went 124 miles.
50 years ago I used to suggest a Honda Cub 50 engine could be used to power generators for electric cars as most cars sit in traffic a lot of the time.
I’ll never drive an EV what about you
My Mazda CX5 is a superb car. Roomy, 60MPG on a long drive and 52 MPG around town. very low emissions. 10 years old and as good as it ever was.
Guess I must have a touch of Amish, non electric for me!
Hey Coach have you looked at the Omega1 engine by Axios Aerospace? I believe it will replace all motors. It is that revolutionary. Basically a two tooth motor. One tooth spins around and compresses air that is injected with fuel as it enters the other chamber where it fires and pushes the other tooth around and expels the spent gases. Way
Sounds like a disaster waiting to happen ⏳
General Motors had the same concept in the Chevy Volt. The difference being the Volt has 2 electric motors. One dedicated to the battery pack and the other dedicated to the gas powered built-in generator. The all electric range is about 50 miles then the gas powered generator would kick in to extend the range another 350 to 400 miles. Of course as per normal, GM killed the Volt in 2019 instead of improving upon it’s all electric range. The Volt was the US’s #1 selling plug-in hybrid from 2011 - 2019. GM concentrated on expensive, high profit SUV’s and pickup trucks instead.
@@jamesvandamme7786 If you do the simply math, 50 + 400 = 450 miles of maximum range. Why would you want to stop manufacturing a vehicle that can provide that kind of range? Why wouldn’t you want to do what Toyota and Honda do? Make each successive generation better and better? Especially since GM was selling Volts in 2018/19 for $35,000. Americans are willing to pay $75,000 to $80,000 for a fully loaded large SUV or pickup truck that gets 25 mpg at best.
Good Idea IF. If the new engine proves durable and efficient. Neighborhood driving may not even call on the engine for power keeping the ICE engine hours way down.
Having a Honda clarity, same sort of ev plug in range with gas extender, and it is great. I love being able to refuel, I mean recharge at home. This greatly reduces the average drivers gas station stops over a week.
I had a RX3 in high school dad bought it the first motor took a dump then he put in a 12b I think but it was great the power band would smoke a few v-8's at the time redlined at eight grand still rember the beep it made three sets of points tho kinda a weak link.
Considering the power output of a rotary, using it for small scale power production is a really good fit.
Lawton rotaries NZ is an amazing crew. Look up how powerful they have managed to get these small light engines. And the sound from a 4000 HP rotary is like nothing you have heard.
The Volt was the best car ever. The fuel economy I logged was 48mpg on the 2017 model and 6 miles per KWhr.=60 miles
This seems like it'd be an actually good version of a hybrid: true electric in daily commute, but not afraid of long distances either!
If they manage to bring this to market at a low price because of the small battery, this could be a winning design for this decade!
Did I miss something? Where was the part about the engine being the smallest and most powerful ever made??