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Redpill me on the rotary

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Thread replies: 44
Thread images: 5

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I've owned a Miata for the lesser part of 3 years, but now I want to push it up a bit. Hence, I've been looking at 2nd Gen RX-7s. Is all the rotard stuff on here a giant meme or is there some truth hidden in them?
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>>15561924
How about you type like you've had an original idea in your head at some point.
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>>15561924
This is b8
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>>15561924
Its all true, they're shit.
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They are over-memed but a lot of what you hear is true, if exaggerated.

A rotary will start losing compression sooner than a piston, even if you take car of it perfectly, but getting a rebuild is vastly cheaper than a piston. They won't explode on you, and you'll notice the lack of power before someone catastrophic happens.
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>>15561950
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>>15561924
Rotary engines are not for people who don't know about them.
The Rotary engine requires a rebuild more often than normal ICE's simply to replace the apex seals on the tips of the rotors.
By design, they drink oil, so you need to check the oil level every other fill up with gas. The problem with this is the dip-stick is short and right by the exhaust so you're almost guaranteed to burn your hand every time you check the oil.
Also, while rotaries make power, they are shit at making any substantial torque, kind of like Vtec honda's in a way, but without the vtec.
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>>15561924
Daily reminder that white people are dying out, the USA will be 45% white by 2050.
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>>15561966
Who cares
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>>15561962
>The problem with this is the dip-stick is short and right by the exhaust so you're almost guaranteed to burn your hand every time you check the oil.
Wrong. Wtf
>Also, while rotaries make power, they are shit at making any substantial torque, kind of like Vtec honda's in a way, but without the vtec.
Wrong again
Kys please
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>>15561966
>not white
>only really attracted to white girls
Feels good to be part of the majority
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>>15561962
>Rotary engines are not for people who don't know about them
>proceeds to speak without knowing anything about them.
Kek
>>
Rotary stuff is exaggerated, but accurate. However...

Have you ever heard a two rotor 13B scream at 10,000RPM? It's almost orgasmic. It's light, it revs, it is a different animal to a V or inline engine.
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>>15561969
Behavior, physical health, and intelligent are all largely genetically inherited. The dumbest and weakest people are breeding and the people that built modern civilization are dying out. By 2100, the USA will be a socialist shantytown, with lots of poverty and crime, a totalitarian government run by elites.
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>>15562001
Intelligence. I hate auto-correct.
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>>15561924
/o/ rotary myths:
>You have to rev the piss out of your engine or bad things will happen
False. A rotary enjoys life at 7000 RPM more than your typical piston engine, but higher RPM still equates to more wear.
>Rotaries have effectively infinite RPM capability and the redline is just a formality.
False. Getting up to 10,000 RPM and beyond takes clearanced rotors, a two piece eshaft, ceramic seals, and lots of other pricy internals.
>Apex seals are a major design flaw
False. Apex seals haven't been a significant issue since the days of the Ro80. While every generation of Mazda rotary engine has had its own issues that were fixed in succeeding iterations, apex seals rarely chip or chatter in stock engines. Apex seal problems are almost exclusively caused by poor assembly or tuning by shitty mechanics.

Throw some more at me to debunk.
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>>15562017

3 and four rotary engines are next to impossible to find, with a retarded price tag if you can find one?
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>>15562017
I thought revving high was to help break up carbon.

>rotary has notork so 9000 rpm is really like 3000rpm in a piston engine
>rotaries flood all the time
>rotaries require twostroke/primixed
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>>15561966

We have plenty of Mormon factory's on reserve cranking out kids, they just don't get put into the census.
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>>15561978
FUCK OFF AND LEAVE THE EUROPEAN TRANSPLANTS ALONE

Stick with your own baboon women and make mud babies you fucking subhuman shit we should've outlawed you """people""" a century ago.
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>>15562063
/pol/ is that way friendo
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>>15562038
Well, you could always try this: http://grannys.tripod.com/4rotor.html
But yeah, any number rotors other than 2 is expensive as hell.

>>15562040
>I thought revving high was to help break up carbon
That's just the excuse for driving like an asshole. I require no excuses.
>rotary has notork so 9000 rpm is really like 3000rpm in a piston engine
Rotaries have flat torque the same way electric engines have flat power. An NA rotary engine will make pretty much the same amount of torque from idle (or when it stops misfiring in the case of big ports) all the way out until you run out of port or it explodes. This means you can get a lot of benefit out of revving higher, but it doesn't necessarily mean that you can't make a lot of torque. But hey, if you're making 400 ft-lbs of torque, why the hell wouldn't you rev it out to 10,000 RPM and make 800 horsepower? That means you're making less torque than an 800 HP BBC, but it doesn't matter because horsepower is the relevant statistic for acceleration.
>rotaries flood all the time
User error. You should always let your car fully warm up before shutting it down, regardless of whether it's a piston engine or rotary.
>rotaries require twostroke/primixed
They don't, but it's still a good idea. The oil injectors just dribble a little bit of oil right in the middle of the apex seal. Premixing makes sure all the seals get oiled properly. Blocking off the oil injectors also means you can use synthetic engine oil without causing soot deposits inside the engine.
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>>15562108
>implying any non-fully built rotary is anywhere close to 400ft/lb
Rotaries and Hondas are torque monsters I tell ya
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>>15562137
That's not my point. My point is that regardless of how much torque your rotary makes, even if it's an objectively large amount, it will always be making more horsepower than ft-lbs, because if it didn't you'd just be throwing performance down the drain. So if you compare it to a lower-revving piston engine making the same amount of power, the rotary will make very little torque in comparison.
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> muh torkz number
Linear torque is all that matters
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>>15562175
The only engines that make more torque than horsepower are ones that rev below 5250 RPM.... I'm sure you knew that though.

There shouldn't be any performance engine anywhere that doesn't rev past that.
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>>15562047
>Mormons
>Human
Pick one.
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>>15562198
>5250
>not 5252
Disgusting
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>>15562108
>>15562192
Also, I should mention that NA rotaries feel slower than they are. You acclimatize to acceleration pretty quickly, so it's not acceleration you're feeling when you hit the gas, it's jerk (rate of change in acceleration). Since rotaries have flat torque, they have linear power, which means they also have linear jerk. Many people incorrectly associate torque with acceleration, and associate jerk with acceleration, and that's where the "rotaries are slow because lolnotorkz" meme originated.
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>>15562063
Jokes on you cuck, I'm not black either
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>>15562198
You'd think so, wouldn't you? But then someone posts an actual LS1 dyno and you realize that people actually think this is proper engine design.
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>>15562175
Still, it's misleading. standard 13Bs make ~140ft/lb
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>>15562232
>not black
>not white
so you're nonexistent?
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>>15562240
>spics don't exist
>south east asians don't exist
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>>15562245
one drop rule. if you aren't scandinavian you basically aren't human desu.
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>>15562235
And stock 13Bs make like 120 WHP. You're being intentionally obtuse and focusing on a single number I pulled out of my ass for a stupid hypothetical. Fuck off.
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>>15562248
>Implying celts aren't white
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>>15562256
the only white part of celts is the dna given to their women by vikings that raped them
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>>15562249
A stupid exaggerated number when OP asked for you to redpill him on rotaries.

He's not going to be buying a race prepped RX7. Saying an engine is fine because it makes 800hp with 400 ft/lb is pretty stupid because the reality is the car he buys will have 140 ft/lb and 160hp.
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>>15562268
I was answering a general question about the "lolnotorque" meme. I wasn't telling OP what to expect if he spent the $1200 he earned sucking dicks all summer on an FB. If you had literally any nonzero amount of reading comprehension, that would have been obvious.
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But I don't want threads about rotaries or people of the mud
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>>15562304
>Thread literally titled "redpill me on the rotary"
>Doesn't want a rotary thread
I think it's a bit too late for that, son.
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>>15562314
Is there someone I can speak to about this. Also please don't respond to my posts without permission
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Black people love cars. That's why they live in Detroit.
Thread posts: 44
Thread images: 5


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