RX general

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I want to buy a sports bike and swap a 12a in it

tell me where to find cheap as dirt 12a engines

>What do you guys prefer
3 rotor for life

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>>13899520

I love reminding people that rotary engines can be reliable if you're not a shitty owner.

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6 rotor master race

1rotor life

>>13899520
mid engine rwd 13b honda insight
i have to legally classify my car as an aeroplane

>>13899864
https://www.youtube.com/watch?v=hbNlR-fMlOw

>>13899520
3 rotes have the best sound for the street imo

4 rotes sounds better than F1

>>13899866
KEK MAJOR MISCALCULATION
>Hur dur I thought a goddamned shitbox fwd tin can insight was ever engineered to go fast where did i go wrong?

>>13899893
>implying
the insight is literally too good for this earth
it literally tried to take into the skies because of how amazingly aerodynamic it is

first gen insight best sleeper

>>13899520
2 rotor 13b S4 is my shit

I want a rotary so bad in my Kei truck... but can't justify the cost to swap one in, getting it to pass emissions testing... and the potential extra fuel cost, because I doubt it will get 30mpg out of it, even if the truck is only 1600 lbs.

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>>13899541
12a bit too big, it weighs almost as much as this bike

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single

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>>13900207
rotary bikes r best bikes

>>13899541
Pig fat

>>13899520
If sound is the only factor, 3, then 4, then 2.

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>>13900245
re5 a shit

>>13900279
Is that a god damn turbine?

>>13900312
its AIR COOLED
SUPERIOR

>>13900318
WAIT
A
FUCKING
SECOND
Does that mean it's horizontal?!?
AND THE HEAD IS FACING THE FRONT!?

>>13900328
looks longitudinal to me

bump for rotarted activity in this ao, over

>>13900328
isn't that normal for a wankel?

>>13900328
>>13900368
youre both not really explaining what you mean.

but the eccentric shaft rotates at a right angle from the wheel axles. there is gearing that puts the output sprocket like a normal bike though

What should I look for when buying an FC?

>>13900882
Get a that there compression test for yer rotariono

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>>13899864
https://www.youtube.com/watch?v=Kq-C99wjAlQ
vtec just kicked in yo
>>13899541
single rotor reporting in

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I wish I knew a cheap way to drop a stock 13b renesis in my mx5 na.
It's not for the power, but I find the engine really appealing.
Currently running turbocharged b6ze around 200bhp.

>>13901462
You're better off with a 13b from an FC

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>>13899520
I prefer 2 if these rotors count.

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>>13899919
I'm surprised you didn't post your car.

Excuse the terrible phone picture please.

>>13901860
Purdy

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>>13901870
We're chilling right now. I can tell you more about the car if ya want. He went to cook a pizza

>>13901877
Sure thing. I'm curious to see what's been done to it. It looks clean too.

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>>13901882
Megan EZ streets. Rocket bunny style wing, Cat back straight pipe with 2 cats gutted, Mesh crown vic wheels (white with silver lip), weather striping thing as a front lip, and the mildest port you can do.

He knows it's not fast, but he has fun going sideways.

Not the best, but his most recent picture that gets the whole car.

And some of you br/o/s may want to see more so I grabbed it from instagram.

>>13901921
Thats muh baby

>>13899520
what are those?

>>13901933
Nice dubs m8

>>13901921
Right on. Do you own a brapmachine yourself? I was looking into buying an FB RX-7 myself, and i was wondering what things i should consider/look out for.

>>13901945
Found the newfag

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>>13901957
Nope. Just an E36. But we did trade for a day

It was an absolute blast to drive, made people mad at me, got the cops called. And popped off quite a few times. Car handled extremely well, and kept up with my friend's 4.0 V6 stang with a Bama tune.

10/10 would own.

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>>13901957
I do, ILikeCars has a E36 M3, make sure idle is smooth, if its not it can be a sign of soon to blow motor, rust in an issue etc
also my dope board

>>13901987
Right on. Thanks m80. Anything else i should know?

>>13901994
Not much from me, premix though .5oz of 2 stroke twc3 per gallon of gas, hers a writeup http://clubroadster.net/vb_forum/16-general-automotive-chat-sponsored-gomiata-com/46881-considering-1st-gen-rx7.html

>>13901961
Ok. Now tell me what the fuck that is.

>>13902007
Eccentric shafts
or however the fuck you spell em I build rotaries not remember spelling and grammar

>>13902020
This

>>13901385
Love that he pops the chute at the end
>>13901841
Imagine that breaking and it's not under warranty. Good god.
>>13901877
> different color headlights
REEEEEE

>>13902020
Like a crankshaft? What's the difference between an eccentric one and a normal one?

>>13900184
>>13900263
u wot

how is an N/A 12a heavy?

>>13902180
An eccentric shaft is just the name of what the crankshaft would be in a piston engine. The difference is that one is build for rotors and the other for pistons. You couldnt put pistons on an eccentric shaft and you couldnt put rotors on a crank shaft

>>13901754
Isn't the 13b na from the fc a bit to weak? Around 140bhp?

>>13903217
182 claimed hp

>>13903220
That sounds like a perfect fit for a Miata.
>super light
>compact, perfect for tight engine bay
>free revving, responsive and perfect for heel toe and sporty shifting
>can be mounted low and back for better handling b/c better weight distribution
>because braps
Anything else I'm missing?

>>13903396
Only downside is people who don't know how to take care of it

>>13903220
182 stock??
No
I dyno'd mine at 161 wheel
Racing beat header, and a cone filter in the bumper.
If you want stock hp Google it.
S4 is slightly less than S5. But S5 is teh gayzors

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>>13903396

>>13903466
Was that an S4? I assume you had it tuned pretty well too. That's impressive. Stock they did not make 160 at the wheels, S4 made like 150 at the crank.

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>>13903491
Yeah it was an S4
Pic related
I cleaned it up a lot after this pic was taken

>>13903471
i do not see the point of non turbo builds

>>13903460
I would do it as a project car.
Maybe Mazda will fix the short comings one day to the point that normies can drive them.
I have a feeling that they might in the next few years. There have been hints from Mazda and the 50th rotard anniversary is next year iirc.

>>13903526
Balance you pleb

>>13903471
What car is this in?

>>13903526
In a very light car, a n/a rotary can be plenty fast. A brideport rotary can make in the mid 200s at the wheels, maybe even 300whp. In a Miata or AE86 that is more than enough, almost scary fast. Even in a first gen Rx7 250whp is very fast.

>>13899520
What are those cams from?

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>>13903396
Naaa, even if it is around 180s it is still pretty weak. The 13b renesis, that one would be perfect.
The major problem is that there is no easy way to drop it on a mx5 NA. The fc is almost an mx5 NA/NB. While the rx8 is almost an NC.

A man can still dream with those sweet flaming 9500 rpms...

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>>13903572

>>13903572
a lawn mower

>>13903568
>What car is this in?
Miata

>>13903574
So use a T2 block, Renesis rotors and stat gears.
200hp NA easy on stock ports while being super simple and revving to 9000rpm

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>>13903530
>the 50th rotard anniversary is next year
are you gonna have a party anon?

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>>13903616
Still a little to expensive for just 200bhp.
something like the picture would be just perfect, 250bhp n/a.

>>13900133
I got 20mpg at 55 in 4th and 20mpg at 80 5th in my FD.

The trick is the same as any other car, don't modulate the throttle pedal.

3 rotor is best, currently saving my golds for one.

>>13903652
No more expensive than a renesis

>>13903666
>No more expensive than a renesis
How would you make the mounts for the engine then, or where would you buy the adaptations for it?
And which gearbox would you use? Would a m15 work?

>>13903681
Mounts are super easy. Google it.
The miata trans can be used by just bolting on the rx7 Bell housing
forum.miata.net/vb/showthread.php?t=360583

>>13903694
But if you're using an rx7 bell housing you'll need an rx7 gearbox and probably a custom propeller shaft.
Still don't see where the "super easy" part is... And not sure if the 13b renesis will fit to the older rx7 bell housing anyway

>>13903742
Bell housing bolts to miata trans.
So you don't need custom mounts or shaft for the trans. But only if your using an RX7 block
If you're going renesis its a different story.
I have heard of guys using FD transmission in an RX8 though.

>>13902523
>An eccentric shaft is just the name of what the crankshaft would be in a piston engine
I think you mean rotary engine

>>13899520
4 rotor is my favorite. Anything past 4 rotors sounds like ass

>>13904530
https://www.youtube.com/watch?v=Ay9pTLa3mSE

Sounds pretty good to me

>>13899520
Two rotor with the following mods:
Aluminium end plates
Multipart eccentric shaft
Centre bearing to reduce high-rpm flex.
Side and peripheral porting for maximum gas flow.
2nd generation Renesis housings for the multiple oil jets.
11,000rpm 13b?

>>13899520
Custom 12A based 3 and 4 rotors (18A, 24A) are my favorite.

20b and 26b, especially OEM based, are too long and heavy

Custom 20b intermediate aluminum housing ones are nice, though.

>>13899577
Like this is 12a based. The housings are way thinner. That 6 rotor is only slightly longer than the size of 13b based 4 rotors.

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>>13899520
The one rotor RX500 made 247 horsepower with a 14000 rpm redline

>>13905917
>92ftlbs of torque

>>13903526
Hard to have a turbo operate at more than half the rev range and be responsive.

Even a smaller turbo that makes 350-400 hp on a 13b like the GT35R or Apexi RX6 has like a second of lag to spool when you go from cruising at 3500rpm to flooring it.

Most don't go with a turbo smaller than that, and bigger ones REALLY lag.

>>13903640
It's in 2017.

>>13905960
irrelevant

>>13899542
So you're angry car rants goy? I want a sticker of that face

>>13905917
Does the '500' mean you change the Apex seals every 500 miles?

>>13905990
>my favourite engine's failings are irrelevant
wow what a surprise

>>13905917
I wish Mazda would make a rear engined car again.

Fuck, they should make more than just one.

Make the Mazda2 RR
Make a rear engined rotary coupe that shares most of its parts with the MX-5.

>>13906000
>what is gearing lol i dunno I'm a shitposter

>>13905985
>1 second
https://www.youtube.com/watch?v=PNumktnMhAc
That's a t04z.

https://www.youtube.com/watch?v=DOaeL7U8rTQ
That's an EFR, they actually produce more torque at low rpm than the stock twins.

https://www.youtube.com/watch?v=_z9VrO6E314
This is a slightly bigger EFR. Just a hair slower than the stock twins but it'll make 400+hp.


>>13905990
>torque is irrelevant

Is this a ruse?

>>13906021
>le magic gearing meme
>hurr just drive around at 7000rpm everywhere bro

>>13906067
why not? it's a rotary

>>13906067
>Drive around at reasonable rpms everywhere
>"oh fug I need some more power
>"What does dis here gear stick to again?"
>"If only there was a way to get into my powerband"

>>13906067
?

1850lb car, which probably has like a 3.75:1 first gear and like a 4.5:1 final drive, that's 16.875:1 ratio.

Compared to a Corvette that has a 13.7826:1 ratio and weighs 78% more, it's like having over 200 lb-ft of torque in an equivalent weight car which isn't too bad.
Still half a Corvette's, but it's a 30 year old car that ends up being more powerful with how high it revs. You're talking equivalent to 540 HP with how it's geared and how much lighter it is compared to a Corvette, in a 30 year old car.

You're just actually retarded and don't know how gearing works, and apparently don't know how to shift gears either.

My FD makes shit torque under 2000 rpm but I have no problem cruising on the highway under that, and it's a 5 speed.

>>13903526

>Weigh less
>Go BRAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPPPPPPPPPP just as well
>Shoot flames just as well
>Slightly longer lasting than equivalent turbo build

desu N/A is best

>tfw no bridgeport, stripped-out S4 with straight-through exhaust and a fart can