simplybebop
Member
Im sure u know the method of securing 2 v8's together with top fuel harly sprokets, recess'd nuts and top fuel chains, why wouldnt this work on rotarys????
26b
- Thread starter simplybebop
- Start date
JiujitsuDrift
Driver
It would.
simplybebop said:
It wouldnt be the question of why it wouldnt work. but would it be worth it.....
What chasis would you put this in?
What would be the purpose of it?
How much power are you looking to make?
If you were going to use this for any kind of competittion or had the idea....... what if it breaks?
2x the amount of error for everything.
13.0:1 CR ls1 and be done w\ it.
simplybebop
Member
just to say hey look, i have one of the only 4 rotors in the usa
Problem = eccentric shaft (or "crank shaft" for the non-rotor people). If you could source one it would be from Mazda and it would be a miracle. If you could make one, you'd be a popular guy.
The next biggest problem would be enigne placement. That would be a pretty long engine and would fit like crap in an FD or FC without a great deal of effort. The 4-rotor worked amazingly well in the 787b which was mid-engine. I'd love to see a 4-rotor wind up in something like the Ultima GTR though...been one of those "never gonna happen" dreams of mine for a while now.
The next biggest problem would be enigne placement. That would be a pretty long engine and would fit like crap in an FD or FC without a great deal of effort. The 4-rotor worked amazingly well in the 787b which was mid-engine. I'd love to see a 4-rotor wind up in something like the Ultima GTR though...been one of those "never gonna happen" dreams of mine for a while now.
simplybebop
Member
i wouldnt need a accentric shaft with method in my first post, lol
HellaSFLDan
Driver
you would need pistons and valves for it to work
just think, if 1 rotary motor has billions of problems, imagine 2 of them!!!!!!!!!!!!!!!!!!
just think, if 1 rotary motor has billions of problems, imagine 2 of them!!!!!!!!!!!!!!!!!!
simplybebop said:
I hate when people say this. This is the dumbest reasoning ever. Why not make a 1 rotor rx7, im sure noone in the US has one of those. Make a gas/electric rx7. It reminds me of a friend, who knew nothing about cars, who wanted to make a mid engine civic with a d16-because no one else had it.
what happens when someone with a 13b in their car beats you?? Is it going to matter that you have a 4 rotor? What about when you blow your motor? or when you run an extremely long eccentric shaft and it creates the same flexing problem that a very long crankshaft creates?
you could put them together with chains and sprockets but they have to share a transmission and the whole engine would have to be syncronized perfectly. Anything can be done, it's all about money. At full throttle this wouldn't be as difficult as when it's at partial throtle, or driving around town, and idling.
just get a 3 rotor. They make crap loads of power anyway and there are thousands of them.
simplybebop
Member
you guys are making it 2 complicated
JiujitsuDrift
Driver
You do know there are 4 rotor engines in europe though, right? So I'm sure you wouldn't be the first to have one here.
simplybebop
Member
not the first, just one of the few, and im not gonna do it anyway, i was just saying its easier than getting a accentric shaft machined, just stick em together
Super7
Spectator
I don't even think I want to touch on this because most people generally don't listen to what I have to say about these things... But I will...
The 4-rotor motor has been done with great success in the past. However, it's retardedly expensive. You can't just weld two shafts together. It's a little bit more complicated than that. In a stock RX7, the eccentric shaft is setup in 180 degree offsets, where-as, a well balance 4-rotor would most likely have to be made in 90 degree offsets, though I'm not positive.
The motor itself isn't the only issue. A 20B in an FC is a tight fit as it is, and it won't fit in an FD without some kind of modification to the steering rack, and sometimes the firewall/frame. A 4-rotor wouldn't fit in an RX7 without completely modifying 90% of the car.
The 26R in the 787B output upwards of 700 N/A horsepower. It makes me want to touch myself...
The 4-rotor motor has been done with great success in the past. However, it's retardedly expensive. You can't just weld two shafts together. It's a little bit more complicated than that. In a stock RX7, the eccentric shaft is setup in 180 degree offsets, where-as, a well balance 4-rotor would most likely have to be made in 90 degree offsets, though I'm not positive.
The motor itself isn't the only issue. A 20B in an FC is a tight fit as it is, and it won't fit in an FD without some kind of modification to the steering rack, and sometimes the firewall/frame. A 4-rotor wouldn't fit in an RX7 without completely modifying 90% of the car.
The 26R in the 787B output upwards of 700 N/A horsepower. It makes me want to touch myself...
simplybebop
Member
who said weld???
HellaSFLDan
Driver
zipties for lyfe.. w00t!