Mazda really hurt the Rotary Engine spirit. Here’s my plan..

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[@ZachsFishM57]

I about cried when I saw this in the rotary groups... Really a slap in the face to the rotary community...

[@jhon-cg4rg]

the gatekeping will fall

[@rian0xFFF]

I didn't understand what happened, could you please explain me?

[@pureidiocracy1636]

@@rian0xFFF they tripled the suggested price of the base engine

[@connoisseuroftigolbitts]

@@rian0xFFFprices finna go up my boy

[@MotorSwapDan]

Toyota just canceled the replacement transmission for the MR2, the e153

[@Awain_Official]

Rob, you single-handedly made Mazda go 🤔 “man we can make some real money off this popularity”.. I’m super happy with your dedication and support you 100%!

[@connoisseuroftigolbitts]

Let’s hope and pray Mazda starts a program to start producing more Rotaries again.

[@AfroMyrdal]

Mazda executives looking at each other: "Are we the baddies?" 🤔 (meme checks out)

[@RyTrapp0]

If anything, they just decreased demand significantly. Which TBH may have been the intent.

[@AfroMyrdal]

@@RyTrapp0 you might be right about that. It's probably not cost effective to keep churning these things out on a (I would think) small scale compared to actually producing for large scale deployment like new cars. I would hate for that to be the case though. Keep the doritos alive Mazda 🥺

[@wirtzling]

.....or they want you to buy their new rotory engine they plan to release in the new RX they plan to release. They probably just dont want to make the old engines anymore. I doubt they make much money off selling old parts

[@Lowe_FD]

As someone trying to restore a FD roller, seeing that price increase was a real kick in the nuts and has honestly made be debate selling the car. This car was an all time dream of mine but it seems these cars are no longer for enthusiasts and are instead just for collectors to stare at in garages.

[@falcon1378]

As a young enthusiast, it looks like our age is passing. I have always loved rotaries, seeing the 787B made me study even more about those beautiful creatures, and led me to Rob 2 years ago. I have to say, although I may not be able to own one, I’ve always wanted to get behind the wheel of an FD, and that dream is just dwindling every time I look more into them. I really hope you get yours fully restored, in a way, us dreamers can live on each time we see them on the road!

[@ArKritz84]

From FD to RD. It’ll be okay. All it takes is time, effort and money.

[@Shadow0fd3ath24]

just rebuild the engine in it

[@ARockyRock]

​@@Shadow0fd3ath24the rotor is the main part of the engine, comparable to the piston of a standard engine. very likely to need replacing in a restoration.

[@freedomfox8183]

​@@ARockyRocklol rotors last far longer than pistons and if it was in a stock engine it would be completely reusable 90 percent of the time after a little TLC

[@kodyadams1310]

I truly believe that you have contributed SIGNIFICANTLY to the explosion of rotaries in the last 10 years. You have made us enthusiasts feel empowered to chase our dreams and you have shed SO much light on the “scary” parts of building rotaries. You have single handedly made the dreams seem much more accessible to the general public. I honestly think it’s quite ironic. In a sense I think that Mazda is the one that is biting the hand that feeds them lol. I can’t wait to see what you have in store for us, and I am 100% on board to develop “the people’s rotary” into an engine that makes Mazda regret their choice. Thank you for everything you do!

[@densamme1752]

Not to add to your workload but you need a one rotor generator on your trailer. See it as a longterm testbed. Constant load continous rpm. Good data 😊

[@nickcollins1528]

Some people are geniuses the rest of just get to watch

[@halofreak1990]

@@SashraanMusicMazda already thought of that, and has plans to have rotaries act as range extenders for some of their electric/hybrid vehicles.

[@kodyadams1310]

@@halofreak1990 I think you missed the point

[@mixxedboyybuilds8273]

Fan f*cking tastic idea!

[@Hunter_meier]

That or a pit bike,go cart,or golf cart

[@AfroMyrdal]

Man, Rob. I've been here for close to thirteen years. It's been amazing to see how far you've come and how much you've grown in that time! Grabbing the bull by the proverbial horns and ramming it makes me so happy. I'll never be able to afford one of these motors, but I love the fact that you're going to provide for the community. You've done far above your duty for us, we all thank you for it. Thanks for standing up for the little guy. Can't wait to see where this journey takes you!

[@wannabefunnyman]

I admit I’m not a rotary guy. I’m here because I love to nerd out on all kinds of different tech. Getting to watch Rob learn and develop along the way, using all the tech that gets my engine going, has been super interesting and fun.

[@Bubblepoot]

I've been saving to get a 2nd gen RX7, cheap, and build it to what I want street over the years as I grow older. I'd 100% buy parts from you over mazda any day of the week.

[@dlorp.]

im in the same boat, cant wait

[@kodyadams1310]

Facts

[@jameshatton4405]

How long have you had your FC for? I started building mine more than 12 years ago and it's remained unfinished since then (just slowly accumulating parts) but now I'm 41 and I've got a wide body FC Infini with REW motor (brand new just like the one being discussed here) twin plates clutch, new granny new 2 way mechanical diff. Etc etc. I've left no stone unturned. I'm about to pack it all up and sell it all because I give in! I give in. I will never be able to afford the fuel for the thing by time it's done. I've had so many things go wrong in my life that I give up now. Time to buy an off-road camper rig and electric dirt bike and ride off into the sunset

[@rickklean9999]

The higher price really takes a hit to the LS Swap debate. I am a huge fan of the rotary, but when you can get a long block crate motor, including manifolds for less, it becomes a hard sell.

[@85Rx]

I never thought I'd give a thumbs up to someone talking about LS swapping a rotary car but unfortunately, with this price jump for motors this day has come

[@sepg5084]

Rotary engines are a novelty, so it's going to be priced like a novelty. Wanna go lightweight? Turbo k-swap. Want big power on NA? LS V8.

[@joehoover7711]

​@@sepg5084there not a novelty its a mass produced engine. And they have alot of cars that are powered by it and mazda knew we wanna rebuild and save them so they did the money grab thing and doubled the price

[@jacobjstoffer]

What great sneak peak into the big things to come. that billet "iron" (quotes since it's aluminum 😂) looks incredible. can't wait to see where it goes

[@spotimpact.]

The fact rob does what he does for the community with only 1m subs is crazy. Dude deserves 10m easy with the quality he puts out

[@NorwayVFX]

Can't wait for the day I'm able to purchase a Rob Dahm rotary engine for one of my cars!

[@andrewwhite6627]

One of my greatest inspirations in life, you make me proud to be a car guy, don’t give up you’re the voice for us little guys who can’t speak up

[@Coulter.Machining]

As a machinist, your projects fill me with excitement for my trade. Keep working on that rotary engine! Keep making it better! Also, that's a kickass fixture you have there with those expansion pins.

[@daviddetweiler7658]

I hope you succeed in your billet journey and can become a US provider for billet parts! I whole heartedly believe that's the only way forward for rotaries knowing Mazda's position.

[@Jzatloukal]

The last year of the FD was 2002. In a lot of ways it’s impressive that you can still get a factory short block from Mazda for one of these cars. I’d imagine they’re either running off whatever inventory they have left or are making small batches of engines as needed. As an auto manufacturer retaining the ability to make an engine 20 years after the car goes out of production is impressive/ridiculous. Don’t get me wrong it sucks that this option is going away/ people are being priced out of it. But at the same time the fact that it exists at all is kinda mind blowing.

[@enderblazex2718]

That is true. However, rotary engines are relatively easy to manufacture and you can say that this is pretty much Mazda's signature/halo/most memorable(however you want to call it) engine. The toughest part to design and build is the e shaft, the housings are pretty simple and the rotors are a bit more complicated but not by much. R&D costs have already been recuperated so it's not like Mazda can use this as an argument for the price increase. And even if there are things to improve on the rotary engine those will most likely not necessitate a full redesign.

[@dooby1445]

@@enderblazex2718You completely underestimate the cost break down of the situation. It’s a rotary engine being manufactured 20 years after the fact. Not a lot of sales are being made, therefore price must increase. But I guess KZbin keyboard warriors know more than the company itself.

[@CarlitoDoe]

ive been working in dealership parts departments for almost 8 years. When they do a drastic increase like that they are most likely going to discontinue it in the near future. For example about 2 months ago a front sub frame for a 2008ish Ford Escape used to be about $320 list... They then changed the MSRP to about $1300-1400 and most likely will be obsolete in a couple months.

[@thunderbirdizations]

Uhmm wow….. my 2008 escape is giving out in all sorts of places, I need to check that out

[@willtrautman6243]

My thought exactly, though it's strange that their simultaneously rolling out heritage parts for their older collector cars.

[@brock4g843]

No other YT channel like it! Thanks for keeping us entertained and informed all these years! I'm so glad you show the why and how of your failures and what can be improved, but more importantly it shows a true representation of what car builders and enthusiasts go through to get their final goal, informative channels like this are rare, thank you rob! 🙏 can't wait for the 2k hp 4 rotor video and the 12 rotor start up!

[@DeweyWRX]

Good GOWD Mazda! I thought Subaru were jerks lol. Sorry man. Will the aftermarket standup and start making their own? I hope you pull this off man!

[@Diontb]

aftermarket already make their own, they always have but not in mass production. none of these rotary companies are "big" enough to do that most are former and/or current race shops who ventured into building custom rotary parts. also the market demand just isnt there, alot of people who watch rob dahm arent rotary owners like myself for example. alot just like the RX7 platform from movies and the internet. also not to mention alot of rotary owners dont have the funds to buy a new engine iron or billet. Although saying all that, eventually long in the future a company will have to step up and invest and come out the woodwork and start producing parts in higher numbers especially if the OEM parts continue to go up lets hope its sooner rather than later

[@DeweyWRX]

@@Diontb I see the market growing if OEM gets more expensive. I get it though. Rob has enough reach that it might gain worldwide appeal though. If he can prove the powerplant is more viable than people give it credit for then it might gain some more mass appeal too. People avoid these cars because they assume they need to basically immediately swap. I would love to see the aftermarket sort a lot of the problems and pull a move like we did at IAG with Subarus. If anyone CAN pull it off it's Rob.

[@Diontb]

@@DeweyWRX i mean but the problem is IAG exists in the rotary world, alot of them. but most cant afford IAG is my point and IAG dont produce enough to drastically lower the prices do you get what i mean? IAG are kings tho what subaru u got?

[@lynntatro7374]

Keep going! Don't stop with your purpose for making a better rotary! Let us know when we can make a junk yard 4 rotor engine.

[@arrivendrive6831]

Rob!!! I have been a Fd owner since 1998. I remember watching one of your first videos, with the title something like, Rx7 unreliability. I was so upset and felt that a lot was said that just was not true. Fast forward to today and I am super blown away how you have increased your knowledge and push through to find solutions. Today your have really graduated to a high level of Rotary goodness. Making your own plates is super big man and I just wanted to congratulate you. Mazda really hit us in the gut with the prices of a OEM motor. Brap on brother!!!

[@Johnwalter1044]

Case and point that large manufacturers just plain suck at caring about the enthusiasts. Remember Angel Motorsports video about the new from factory 13b with rust inside? Now you can pay double that for all that sweet reddish brown. Honestly, just buy stuff from experts and small companies, where people there still care about cars, and not money.

[@neilcampbell6855]

Thanks for all you're doing for the rotary community, Rob.

[@JaredR1996]

Rob and Joel really know how to sneak in an ad and you wouldn’t even know it until it’s too late

[@Jacob-W-5570]

I'm excited to see what you bring! the limit of the fuel sounds really scary and good at the same time.

[@speetnut]

When you're working with resource limitations (as Mazda is doing), it's often cheaper to retool a production line than to build a totally new one. That comes at the cost of capacity for current products which in turn affects their pricing. (Admittedly they could also be using the pricing increase to drive down sales to the same effect, which is more likely when you consider the constant backorder situation these engines were in for the past 5+ years) Even if the R-EV demand increases enough to justify its own capacity/lines, we've likely seen the end of the affordable REW pricing. The good news is that this price increase drives innovation to a sector where margins weren't previously enough to justify aftermarket support/development.

[@lukebrennan5780]

20 years on since the last 13B, we can be thankful they still make them at all. I suspect a lot of the original plant to make them is either dying or dead, let alone the people who knew how to run the factory plant have probably retired!

[@RattX7]

When I saw the price jump I was glad I just got mine earlier in September and at the same deeply saddened as a guy with an FD race car. Mazda really doesn't want me to keep racing this car is what it feels like.

[@CapnFlappyJaw42]

My dreams of rotary swapping everything just shattered. I really hope you and others out there can provide a realistic aftermarket for the enthusiast community, because my dreams of owning one of each generation (already have my precious FB) just become even more out of reach.

[@sberry80]

Im so impressed with where you started to where your at and where your going. And your 99% self taught which makes it more impressive. Keep up the great work and amazing video's brother

[@buriedintime]

sick! stoked you're building a motor for him and doing all this development.

[@riddlemethis01]

Welllll all i can say is good luck on your most ambitious endeavor to date, in my personal opinion. I am stoked to see where you take this whole rotary journey. I have faith that like everything else you and your crew are going to crush it 💯👍

[@mausball]

Honda did something similar to the B18C5 prices after F&F came out in 2001. A $2500 long block became a $7500 short block.

[@umbraelegios4130]

Good thing Keeps is backing Rob. Considering how often he wants to pull his hair out fighting all the gremlins. That keep poping up in his cars.

[@_Despair]

There are so many billet options now all geared towards the 1% very hi performance racecar. Surely there would be someone going the opposite route : parts for a streetcar max 400hp but cheaper and with all the R&D that was made by the community for reliability.

[@stevencockerill748]

Cost of manufacturing is still the cost of manufacturing. Rotarys are a low volume market globally. It’s currently very hard to drive the price down without large public demand at this point in time.

[@CoyWhite]

So glad to hear, I really questioned a lot of plans when I saw Banzai post that... As if Mazda couldn't and/or wouldn't benefit from producing these as loss leaders to vitalize their community. So insane that they'd make that decision.

[@jackc5293]

Mazda: Chooses dishonor... Rob: Fuck it! We'll do it live!

[@MrMoparWagon]

Without looking in to the price increase at all, the first thing that comes to mind is does mazda get EPA/CARB fines on the rotary crate engine and if so did something change with regulations?

[@Subject_Proto]

This is exactly what I was thinking as well. And it makes a lot more sense that this be the case (cause let’s be honest, the rotary isn’t the best in terms of emissions…), especially with the direction being forced upon all manufacturers to reduce emissions by having all vehicles either be hybrid or all electric in the near future, rather than Mazda seeing it as a money grab.

[@sparkie5571]

I didn’t think carb was for crate engines, only for cars they sell?

[@Rx7TyreBurna]

I've always enjoyed the unique nature of the rotary. Was obsessed with the FC back in the day, even bought a Haynes repair manual for the FC when I was 15, reading through it, imagining having one. Bought one (NA) and enjoyed it, but always felt it lacked power. Started to price out rebuilding it ~7 years ago. And, was surprised how insanely expensive it was then, even for just an NA setup. Now I just watch other people rebuild and destroy them. I just can't justify dumping so much money into it for fun. Many other cost effective options that are a lot of fun. I did hope to eventually see Mazda making the rotary again with new tech, and hoped it would drive prices down. But, seems to be more of a novelty now.

[@Blazin2133]

Damn, I love the passion you have for these motors. Your videos are so fun to watch.

[@ThatBroIsCool]

That 12-Rotor singing will be worth all the hard work! as Koreans say, FIGHTING!

[@inlinejdm]

Once again, daddy Dahm comes through and really delivers! Thank you for all the hard work and dedication. Watching this channel for the last several years has madr me want an FC or FD. Keep up the great work. Cant wait to see where this goes!

[@headp3]

A 4 rotor on methanol is gonna be one hell of a fuel system. 6 or maybe 8 injectors per rotor. Talk about a possible spaghetti bowl of fuel lines and taps under the hood can't wait to see what it looks like!

[@goontheracoon]

rob should get in contact with the LIQUIDPISTON guys, yeah... it would prob end up being an engine for a cross cart// Miata but it would literally give none piston engines a push in the right direction.. in my head, stacking 8 of those engines and adding an electric motor to the shaft is the future.

[@SzalonyKot]

I've never been as patient as I am for you Rob, you're the only person who puts their skills where their mouth is and I respect it heavily, keep up the hard work 💪🏻

[@802Garage]

This is insane. Both your adventures and Mazda pricing. We just rebuilt our 13B and the OEM Mazda parts were the most expensive bits. Thin on the ground and parts like the oil control rings are just so expensive. Rotaru is ready to make 800 or so HP now though. Can't wait to see everything you come up with. The community loves you, Rob!

[@nightshade4873]

Here i was wondering what happened to all that material science you learned on the earlier videos, it was all going for this project. you could try adding a Single/Double Rotor generator on the Trailer, you could use the information on prolonged use and constant RPM, although this would have to be on a scaled down form.

[@davidreid9973]

That price is crazy. I bought a short block from a Mazda dealership for $1800 in early 2000’s.

[@wallebo]

I could feel your sincerity through the screen and my headphones. Loving the passion. Kudos, sir!

[@mattroux9994]

This is the inspiration I needed, Ive been dealing with a ported renesis for far too long and have wanted an rew ever since I got my S1 but the prices are just too high. Be our voice Rob!!!

[@cademckee7276]

I wanna see Rob take the MX-30 Engine and make it into a 2 rotor. I bet the increased displacement and direct injection would make the motor pretty good.

[@Versedian]

Crazy how busy you are non stop lately; happy for you.

[@Raynedog00]

Daddy dahm with the back to back videos. It's a good week

[@danman2001]

Keep at it, brother. Very inspiring to see someone improving this motor.

[@argot5446]

As a spaniard I couldn't be more glad that I started learning english some years ago so now I can fully understand what all Rob Dahm great content is about. You keep inspiring me to work hard to create a masterpiece of a rotary car in a future. Greats from Galicia dude.

[@isaachollmann4145]

Can’t Waite! So stoked to see what the future has in store!

[@michaelanmenezes6103]

Probably the first time I've ever seen rob had enough! Thank you for keeping rotary engines alive.

[@Red6er]

My Man! Rob doing his thing trying to support the community. Very good stuff. Very interested in the in-house billet builds. The CNC machine going to pay its self off here soon lol.

[@calvinandrews1744]

I'm happy this man still has his Diablo! Every time I see it in the background I get a little excited we'll see a video lol

[@derekgrubbs3517]

Rob as a fan of yours and from South Rockwood MI. And a Rx-7 fan boy. I’m so happy you are doing us right.

[@connorevans4246]

go for it man, your passion shows and is infectious! and talking of fuels, nitromethane is crazy! if you can fit the volume of fuel in the rotary motor?

[@peanutbutterpadre1519]

They did the same thing with Miata hard tops 2 years ago so this makes sense

[@scotty305]

Are those still available, or did they get discontinued sometime after the price went up?

[@atw9913]

I owned an RX-7 for nearly 30 years. Had an NA FC that I bought used in 91' with 210,000 miles already on the car. I beat the ever living crap out of that motor for another 67,000 miles and went through a rear diff, 2 rear subframes and at least one transmission rebuild before I finally cracked a corner seal while racing a motorcycle at 130+ MPH. I still drove the car an entire summer before driving 1,200 miles to Winter Haven Florida to have the motor rebuilt. It made it the entire way ON A BLOWN MOTOR going over 100mph almost the whole way and still getting 21mpg @4,000 RPM. Put in 89' rotors regrooved to 3mm, had the oil passages enlarged and used a turbo oil pressure meter and had the full rotating assembly balanced. That motor was indestructible at that point as with the stock 87 computer I could never hit the actual redline of the motor. It went from street car to mostly track car to pretty much only a track car. But then I bought an EV and as much as I loved the Rotary I saw the writing on the wall. I no longer saw the point in trying to modify an ICE vehicle and all the supporting mods when an electric motor offered sooo much more potential with far fewer things to go wrong. I applaud you for all the work you are doing on Rotaries but what I think Mazda is doing is they know ICE vehicles are coming to an end and the cost of building crate motors and supporting a dead platform could not be maintained at even the already inflated price. One of these days I would love to do an EV conversion of an FC RX-7. I still love that car and the rotary, just not all the noise and fumes and troubles that come with it. I still have the original 276,000 mile rotors and rotor housings. Not sure I ever want to part with those.

[@devinej8411]

I have to say I love the enthusiasm and commitment it's very refreshing to see so glad I got to see you at English Town ur absolutely a legend.

[@anyau]

Can't wait to buy a dahm crate engine, hopefully you price them reasonably for us young people

[@Majiger]

As sad as it is to see Mazda raise the price of crate motors, I do believe this has a lot to do with the fact that they are in fact supporting a 20 year old platform (30 if we're talking USDM). The fact that they haven't just shelved everything away in to the great abyss of whatever crushes these old mills go to is wonderful, however we should also realize that Mazda is a company and keeping specialty tooling available to make a 20+ year old engine is not something every manufacturer is willing to do. I'm just still hoping we get the FC3S/FD3S parts injection like the Miatas got but was delayed due to covid.

[@acontadoquim]

Rob Mazda Now sells a Hybrid with a Rotary, its a single Rotary unit but its big bore 700cc or 800cc cant remember… Anyway itS the biggest single rotor that you can buy from Mazda and its direct injection too. Might be an option to stack some of those to build a 4 rotor direct injection unit…

[@acontadoquim]

Its from the Mazda mx-30 btw.

[@matthewsilva9975]

Here's a recipe for teriyaki steak tips with a side of truffle fries for 2: **Teriyaki Marinated Steak Tips** Ingredients: - 1 lb steak tips - 1/4 cup soy sauce - 2 tablespoons brown sugar - 2 tablespoons mirin (Japanese sweet rice wine) - 1 tablespoon sesame oil - 1 clove garlic, minced - 1 teaspoon fresh ginger, grated Instructions: 1. In a bowl, combine the soy sauce, brown sugar, mirin, sesame oil, minced garlic, and grated ginger. Stir until the sugar is dissolved and all ingredients are well combined. 2. Put the steak tips in a zip-top bag or shallow dish, then pour the teriyaki marinade over them, making sure they are fully coated. 3. Seal the bag or cover the dish, then refrigerate and let the steak tips marinate for at least 2 hours, or even better, overnight. 4. When you're ready to cook, preheat your grill or skillet over medium-high heat. 5. Remove the steak tips from the marinade, shaking off any excess. Discard the remaining marinade. 6. Cook the steak tips on the preheated grill or skillet for about 4-6 minutes on each side, or until they reach your desired level of doneness. 7. Let the steak tips rest for a few minutes before serving to allow the juices to redistribute. **Truffle French Fries** Ingredients: - 2 large russet potatoes - 2 tablespoons olive oil - Salt to taste - 2 tablespoons truffle oil - 1/4 cup finely grated Parmesan cheese - 2 tablespoons chopped fresh parsley - 1 clove garlic, minced (optional) Instructions: 1. Preheat your oven to 450 degrees Fahrenheit (230 degrees Celsius). 2. Rinse the potatoes under cold water to remove any excess dirt. Dry them thoroughly. Cut the potatoes into 1/4-inch thick sticks, keeping the skin on for extra texture and flavor. 3. In a large bowl, toss the potato sticks with the olive oil until they're well coated. Sprinkle with salt to taste. 4. Arrange the potatoes in a single layer on a baking sheet. Don't overcrowd them, as this can cause them to steam instead of crisp up. 5. Bake the potatoes in the preheated oven for about 25-30 minutes, or until they're golden brown and crispy, flipping them halfway through the baking time. 6. While the fries are hot, toss them with the truffle oil. If using, add the minced garlic and toss again. 7. Sprinkle the fries with the grated Parmesan cheese and chopped parsley. Toss once more to distribute the cheese and parsley. 8. Serve your Truffle French Fries immediately, while they're still hot and crispy. Enjoy guys

[@tacticaljeep94]

So excited to see what you and Hert do!

[@Karma28217]

Love it. Keep it up Rob!

[@gleaseman]

Can't wait to see what you come up with for Hert!

[@andrewjweaver]

Count me as a furious RX-7 owner but I absolutely love that you're going to give us an option for billet plates made in the USA.

[@emmanuelferguson]

For all the praise that has already been sung, I still believe it is worth to show my support in this awesome endeavor. You guys are truly innovating and providing a priceless resource already, so I'm hoping for all the best in your future so that you can achieve even greater heights.

[@francoisdouglas4554]

Don't stop Rob. Go get that 2000hp!

[@adasmithy]

The price increase was one of the final blows for me. I’ve given up on my rotary and sadly sold the car. I’m still here to support because this community needs it, it was one of the funniest cars I’ve ever owned

[@user-ox7lg4tp9s]

Thank you, Mr Dahn. The basic problem of the three-arc rotary piston engines according to Felix Wankel is the very unfavourable combustion chamber with external mixture supply. If only air with 1:100 to 1:400 oil is supplied externally but the fuel is injected into a very small combustion chamber in the rotor, it is possible to run with a very high excess air lambda, such as greater than 1.444, at high power. The rotor damage you showed in the picture points directly to a lambda 1.15 mixture including the self-igniting diesel type (oil content). The very ideal ceramic coated combustion chamber shape you see in the Mazda Diesel engine with adjustable compression. You want to have approx. 600 KW per litre perfectly long-distance race-proof at the expense of the MAZDA development department? That will not be very easy. That's about as hard as trying to optimise the compression work of the charge air in the compression phase with a dry ice aid system that is pulled through a carburettor that mixes in distilled water and a little pop gas. To then make the whole thing usable with fuel of your choice injected into the combustion chamber. Humour is when not only every third person laughs. With professional regards Michael Frithjof Mueller

[@feenyx6394]

I've said it before and I'll say it again. I have a dream of one day building up an FC, and hopefully a lot of the parts going in it will be made by you/your company/your partners based on all the testing and engineering you've been doing. What Mazda has done has only made it all the more likely that's going to happen, and sooner than expected. Looking forward to seeing this adventure unfold, and I wish all of you the very best in this endeavour.

[@jordanmckoy1935]

How is no one talking about Rob building an engine for hert. I have been waiting on this for SOOO LONG

[@The0Advent]

my gut is telling me they are ending 13b production or drasitcally reducing it to make way for the latest rotary technology. the new mx-30 with the single rotor range extender uses a rotor with 120mm radius (4.72 inches) vs (if i measured correctly on a rotor on hand) a 100m radius or just under 4" radius rotor. unlike the jump from 12a to 13b which was just a slightly wider rotor, these new rotors in the mx-30 are 20% taller. and have 830CC of displacement per rotor vs 654CC on a 13b. the new rotor in the mx-30 also has 76mm wide rotors vs 80mm of a 13b. all of this suggests the real reason we are seeing mazda increase the price is they are going to drastically reduce production of 13bs or stop it entirely as they ramp up mx-30 range extender production and, hopefully, rx9 production which is supposedly going to have a 3 rotor. just imagine a 3 rotor with 2.49l of displacement :)

[@wrighty338]

Drag guys have been making 1600bhp on 2 rotors with compound turbo setups for a long time. You would need to compound turbo the 4 rotor to "push" anything. Mazda had 900bhp out of the NA 4 rotor in 1991.

[@canadianmale7610]

Rob, you embody innovation. Finding the nuanced flaws in good ideas to make them better.

[@cassette_elk]

So... this is the sort of video where a corporate youtube account could come in, *see their enthusiast community in disagreement*, and SAY SOMETHING. Something like "we hear you" - because clearly, this price jump is aimed at us. I hope, because they just don't understand us. Whenever KZbin comments on a video, it's for no other reason than just trying to foster a sense of connection. But if Mazda came in here and said "we did this because so and so - and we want to support you, therefore we're doing so and so", I think that'd be an amazing step in the right direction. My passion for all things Mazda has grown from recent years - even in places totally separate from the JDM scene. I hope that Mazda sticks to the unbeaten trail of caring.

[@roykrossin8343]

Cannot wait for The Hert Locker Show !!!

[@noelthorley3248]

Keep going mate, we are all cheering you on!

[@Grooove_e]

As someone that sells wholesale parts for a *certain Japanese car company* they do this all the time with their "older" parts. They increase prices across the board for all their parts about once per fiscal quarter and the parts for older vehicles usually get hit the hardest.

[@AnarchronisticPSN]

I appreciate you Rob. So passionate..you make it and keep it real. F all y'all hating dumpster fires.

[@mclarenjohnf1]

Rob we know you have the start of your 6 rotor and it needs to come out to play. Also did you see the Vargas bro's tear down of the brand new crate engine Tommy Fyea purchased and was going in his build, it's worth looking at as the brand new engine from Mazda must have been built either on Friday at home time or Monday with a hangover.

[@rotaryboots]

All the engineers and machinists watching whats going on in the background of your videos can finally say "knew it" 😂

[@billyking722]

You give so much to those f us who can’t afford to build rotary engines and cool cars thank you from Uk wish I had the cash to buy one never mind build one keep it coming again thank you

[@sebastiancrane5893]

I know getting the tooling for casting is expensive, but maybe Rob Dahm could be the savior of the rotaries.

[@BjornFSE]

lovely result

[@karlodomic2890]

Content about to be crazy! Keep pushing Rob!!

[@user-qw5cq6ec9m]

Amazing inspiration of a man 🎉

[@Barely_Creative]

How are you keeping the 7075 "irons" below their ~100 C temperature limit? Very cool to see you making an engine and letting other people get their hands on it!

[@adamdifilippo5568]

Can not wait for this collab

[@knowlyf3]

cant wait i been hopeing for this day to come & excited to order

[@aaronroberts1037]

I’m happy I hoarded a few S6 engines. I’m bummed I sold all my 20b’s over the years 🤦‍♂️ Even though my Cosmo pulls strong, I plan to replace the A code engine with a billet unit. I still wanna preserve the original engine on a stand because in a few years there wouldn’t be any more factory stock 20b’s

[@hksp]

pretty sure got japanese shop making rotor ,seals, plate with different kinda coating on noriyaro livestream, its either TAS or kyusha exhibition

[@thejacksonmurphy]

Damn, so stoked that Rob tells us stuff this way.

[@S-Kidz]

Thank you Rob, make rotarys great again! 🙌🏼🙌🏼🙌🏼