Mazda retires the Wankel. Again. - Chicagoland Sportbikes
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post #1 of 23 (permalink) Old 08-24-2011, 08:11 PM Thread Starter
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Mazda retires the Wankel. Again.

http://reviews.cnet.com/8301-13746_7...ne-sports-car/

Jalopnik says that they're only pausing production but with today's emission restrictions I don't think this engine will make the cut for production cars anymore. There are rumors of an RX-9 though so you never know. It's a sad day for all car enthusiasts because even though this engine and technology are expensive and not as powerful as piston powered cars of late it has a rich history and an undeniably wonderful scream at full tilt. I've only had the pleasure of driving 2 rotary powered cars but it was enough to understand that this will be a big loss to the automotive world. I wish Mazda would give up the rights to the engine design and let other people tinker with it.

Here's a vid that was posted on Jalopnik of one high strung rotary tearin' it up:

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post #2 of 23 (permalink) Old 08-24-2011, 08:39 PM
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Everything was good with those motors until the cases started leaking . The only fix was a new short block.
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post #3 of 23 (permalink) Old 08-24-2011, 10:13 PM Thread Starter
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Actually they were plagued with overheating issues and the apex seals had to replaced way too frequently. The idea was sound but it needs to be developed some more and maybe some sort of tungsten/diamond/titanium/kryptonite alloy for the apex seals
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post #4 of 23 (permalink) Old 08-24-2011, 10:15 PM
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I do love the Mazda Rotary. Balanced and built right, they rev to the moon and make TONS of HP. They need to burn oil by design, so like you said, with upcoming emission standards they will be hard pressed to keep this engine in production. (Even at low volumes)
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post #5 of 23 (permalink) Old 08-24-2011, 10:26 PM Thread Starter
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Props if someone remembers this guy:
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post #6 of 23 (permalink) Old 08-24-2011, 10:55 PM
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Not as powerful as piston? Look at the displacement and HP vs traditional piston motors. You're wrong. They are a grenade waiting to go off don't get me wrong. But they make good power with a Turbo no doubt.
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post #7 of 23 (permalink) Old 08-25-2011, 09:29 AM Thread Starter
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Originally Posted by plotts View Post
Not as powerful as piston? Look at the displacement and HP vs traditional piston motors. You're wrong. They are a grenade waiting to go off don't get me wrong. But they make good power with a Turbo no doubt.
No torque though. HP isn't everything especially when it comes to driveability. They also only made power way up in near the redline which is okay if you're roadracing them. That bi-rotor 1.3L was extrememly light as well. I watched a small guy reach in to his engine bay of his 2nd gen and literally lift the damn thing out! My jaw was on the ground!
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post #8 of 23 (permalink) Old 08-25-2011, 01:35 PM
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Quote:
Originally Posted by plotts View Post
Not as powerful as piston? Look at the displacement and HP vs traditional piston motors. You're wrong. They are a grenade waiting to go off don't get me wrong. But they make good power with a Turbo no doubt.
they definitely need a turbo to recapture the lost heat-energy from the rotary design. the turbo absorbs too much heat at start up to pass cold start emissions. the cat can't heat up fast enough.

blame the epa bureaucratsfor not allowing exceptions for turbocharged engines.
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post #9 of 23 (permalink) Old 08-25-2011, 02:30 PM
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Mandy had a twin turbo RX-7, and cringed every time the "change engine" light came on.
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post #10 of 23 (permalink) Old 08-25-2011, 02:55 PM

 
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Quote:
Originally Posted by suh-c View Post
I've only had the pleasure of driving 2 rotary powered cars but it was enough to understand that this will be a big loss to the automotive world.


not really......

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Nothing compared to the Toyota Tundra, huh??
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post #11 of 23 (permalink) Old 08-25-2011, 10:24 PM
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When I use to Autocross I just remember the sound of the Turbo RX7's was bad ass. That and they handled incredibly. Cool car.
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post #12 of 23 (permalink) Old 09-26-2011, 05:26 PM
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I am not too surprised considering these made no TQ ( at least the na version) and delivered terrible gas mileage.
post #13 of 23 (permalink) Old 09-26-2011, 06:36 PM
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Quote:
Originally Posted by suh-c View Post
It's a sad day for all car enthusiasts because even though this engine and technology are expensive and not as powerful as piston powered cars of late it has a rich history and an undeniably wonderful scream at full tilt.
I find nothing sad about this "loss" you speak of, it has no place in the modern automotive world if it's overpriced and underpowered. Other engines had history and were discontinued because they simply aren't relevant with current technology.

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Originally Posted by suh-c View Post
Props if someone remembers this guy:
Adam Saruwatari, and please keep the props to yourself as I don't want to be associated with ANYTHING rotary-powered.

RX-7 = Rotary eXplosion - 70,000 miles

Nick S

Last edited by doubleR; 09-26-2011 at 06:38 PM.
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post #14 of 23 (permalink) Old 09-27-2011, 09:33 AM
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I still dream of a 4 rotor FD tho
post #15 of 23 (permalink) Old 09-27-2011, 10:48 AM
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Quote:
Originally Posted by doubleR View Post
I find nothing sad about this "loss" you speak of, it has no place in the modern automotive world if it's overpriced and underpowered. Other engines had history and were discontinued because they simply aren't relevant with current technology.



Adam Saruwatari, and please keep the props to yourself as I don't want to be associated with ANYTHING rotary-powered.

RX-7 = Rotary eXplosion - 70,000 miles

Overpriced, like $40,000 for an STi?

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Oh he can drive. He can drive beyond the limits of the tires, the engine, the car or anything else.
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post #16 of 23 (permalink) Old 09-27-2011, 02:27 PM
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Overpriced, like $40,000 for an STi?
You mean $40k for a car with an engine life expectancy of about 10,000 miles? lol
post #17 of 23 (permalink) Old 09-27-2011, 04:30 PM
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sti motors only last 10k from the factory?

-Jason
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post #18 of 23 (permalink) Old 09-27-2011, 05:42 PM
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sti motors only last 10k from the factory?
I was just being sarcastic, however 05+ STI are plagued by piston problems. Its kind of a hit or miss thing, some cars are perfectly fine and some crack a ring land on the piston which eventually leads to a catastrophic failure. A lot of cars, even without any modifications have had engine failures

Furthermore if detected early that problem can very easily be masked and some owners opt in to just trade the car in vs enduring the cost of repairs. So just keep that in mind if you're considering buying a used one. The best thing to do is to pull the ignition fuse and crank the car, if the car has a piston problem you will hear one of the cylinders have an odd sound as the car cranks.

Last edited by [email protected]; 09-27-2011 at 06:01 PM.
post #19 of 23 (permalink) Old 09-27-2011, 09:16 PM
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Quote:
Originally Posted by [email protected] View Post
I was just being sarcastic, however 05+ STI are plagued by piston problems. Its kind of a hit or miss thing, some cars are perfectly fine and some crack a ring land on the piston which eventually leads to a catastrophic failure. A lot of cars, even without any modifications have had engine failures

Furthermore if detected early that problem can very easily be masked and some owners opt in to just trade the car in vs enduring the cost of repairs. So just keep that in mind if you're considering buying a used one. The best thing to do is to pull the ignition fuse and crank the car, if the car has a piston problem you will hear one of the cylinders have an odd sound as the car cranks.
Exactly what Rich said, those cars aren't half as reliable as people would like you to think they are. I watched a fresh EJ257 crack a ring in under 2000 miles of break in driving.

As someone else said the engine, while a novel idea, has no place in the modern day automotive world. IMO no loss, Ford's got things going the right way and I'd like to think they've got the right idea with this one.

Jeremy
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post #20 of 23 (permalink) Old 09-29-2011, 05:56 PM
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Props if someone remembers this guy:
adam saruwati! now a bok choy farmer in cali
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post #21 of 23 (permalink) Old 10-02-2011, 10:33 AM Thread Starter
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adam saruwati! now a bok choy farmer in cali
Where would Nitto tires be without Adam? I remember thinking damn this guy and his car is fast! Then a few years later I went to a local drag strip in FL and saw Puerto Rican guys running 9s in their own 1st gen RX7s.

I think I already stated this but by no means was this the ultimate machine to win all races and run for 350k miles without a hiccup. It's an interesting engine that didn't have to violently jerk itself off like your regular internal combustion engine.

I apologize that this engine may have eaten your first born child, killed your kittens or fucked your wife judging by your reaction to this thread. Those little rotors didn't mean to ass rape you and leave you bitter for the rest of your life. So maybe you can forgive it one day, the stupid inanimate object that it is, and maybe you can learn to think outside of your cylinder walls from time to time so that you don't end up like a bitter old man that grunts and refuses to use those new fangled hippie contraptions that youngins use these days.
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post #22 of 23 (permalink) Old 10-04-2011, 05:50 PM
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Where would Nitto tires be without Adam? I remember thinking damn this guy and his car is fast! Then a few years later I went to a local drag strip in FL and saw Puerto Rican guys running 9s in their own 1st gen RX7s.

I think I already stated this but by no means was this the ultimate machine to win all races and run for 350k miles without a hiccup. It's an interesting engine that didn't have to violently jerk itself off like your regular internal combustion engine.

I apologize that this engine may have eaten your first born child, killed your kittens or fucked your wife judging by your reaction to this thread. Those little rotors didn't mean to ass rape you and leave you bitter for the rest of your life. So maybe you can forgive it one day, the stupid inanimate object that it is, and maybe you can learn to think outside of your cylinder walls from time to time so that you don't end up like a bitter old man that grunts and refuses to use those new fangled hippie contraptions that youngins use these days.
u got me all confused???? now
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post #23 of 23 (permalink) Old 10-04-2011, 06:30 PM Thread Starter
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Sorry. First part was directed at you and the rest was for the people who are narrow minded.
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