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From what i gather, you can make a 3 rotor out of any series engine, the 12a 13b's, now what about the renisis? its 240+ ponies n/a, Not bad at all for a wankle, but could you construct a 3 rotor out of it?
it would have to produce some crazy HP
i woke up and this is the first thing that came to my mind
I don't think you can make 3 rotor from a Renesis due the the new location of the exhaust ports in the side housing. This is what gives the Renesis better torque due to a decreased overlap between intake and exhaust. This topic came up once before awhile back and I think RETed was able to explain excatlly why this wasn't possible as a result of the new exhaust port location.
Oh, i haddent hurd anything about the exhaust port,
i knew that even if it could be done it would cost alot because of all the custom parts needed to be made, i was just wondering if it was possible becase the awsoem power that it made with 2 rotors,
oh well, was a nice thought
Location: Been all around this world and still call Texas home (Ft Worth)
Posts: 554
I read that thread too way back when and yes somethign about the porting being in the side and the physics were just too difficult. but I bet mazda does come up with something since they are planning racing them.
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Desiging a 4 rotor
got the prints for a shaft
got the 2 center sections and a T2 motor.
Location: I live where outboards are more inportant than cars (key west)
Posts: 314
hey why would it not be possible. the thing still has intermeidate side housings. those have the side exhaust ports on both sides. the e-shaft shouldn't be all that differien't and all I see you would need ( 'cept for the custom e-shaft and other numerous parts) is two renesis's to take the inter' housing off of.
well, if they didnt change the bearings you could use the 20b eccentric shaft, with the renisis rotors. the center stationary gear would have to be 20b. you would use 3 renisis rotor housings, the rear renisis steel, the center steel. but what are you going to do for the front housing an the front middle housing?? those are both unique to the 20b, and you cant put the renisis ports in the 20b side housings. besides you cant get a renisis yet.
If power is your main concern, you would be better off building a current 20B engine instead of a renesis-20B.
I say this because the renesis, even though it makes much mroe power than a 13B, is engineered with emissions and fuel economy and reliabliity as the main concerns. The power increase is mainly due to the increased compression ratio - not the change of exhaust porting. If you had a current 13B with a street port and the same compression ratio as a renesis, I bet it would make more power.
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