rotary crazy

1 less fan in AMLS, if the rotary is out

what I think would be a monumental season, run a 4 banger and the rotary, with lola chassis, and let the best car win

instead of a turbo 4 why not a turbo 13b?

Renesis_8

Lets hope they turbo the 13B... Can a 13B be tuned to have a nice power curve? They have to make 550+ peak hp to compete, from the RX-7s, all the 13BREW making that much hp has a very very peaky curve...

also would turboing rotary give advantage over turboing a piston? restrictor plate size, spool, etc etc.
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Tirminyl

I somehow can't believe it will be rotary. It is supposed to be what the company is about but then you remove your heritage from one of the highest forms of racing? Doesn't make sense to me. The main problem they need to solve is chassis. The Courage is not fit for the wankel and is over weight.

I hate to be this way but no rotary, no care. Ok, maybe I will care but I just wont be cheering for them as much as I am now.

rotary crazy

well, there have being turbo rotary's making 450rwhp for endurance racing, but dont be fool by hp only, you need a good torque curve to get out of coners.

anything you can get with a turbo 4 you can with a 13b

I was thinking, maybe going with the turbo 4 is not such a bad idea, I mean i only want to see a rotary where it has a chance to win and be competitive, if the current situacion in LMP2 is that it is imposible for a rotary to be competitive then so be it

but there are so many things that should have being done to this car from the beguinning, that you cant help but thing that it was a half done job to get the car on track as soon as possible, without future planing.

Renesis_8

If they put the turbo4 in the Courage right now it still wont be competitive, I'd want to see Mazda try out more combinations with the rotary first before they give up on it. Put it in a Lola and see what happens, maybe they solved the cooling with the new design. That is a step in the right direction.

But with the entrance of more and more Japanese(Acura) manufacturers + Porshces getting faster and faster, Mazda should be feeling some pressure, turbo4 is a quicker and easier path to get a race car out that can compete with those guys.

Tirminy, you reached 1000 posts!
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rotary crazy

im sorry but it may look that way but it is not, the AER engines that you see racing have lots of years of development and trial and error to get where they are not to mention several teams racing it in europe, the mazda engine its a new engine for racing, it will have to be built up allmost from the ground up, the rotary its a very well tested power plant, but if you are runnig 200lbs over weight and have cooling issues, you are done from the star, not to mention that the rotary in NA form will always have less torque than an comperative piston engine, and we all know what its the biggest enemy of a low torque engine?WEIGHT!!!!!

Renesis_8

Right, RC, I agree with the AER engines, thanks

Acura/Honda is running a new Honda built turbo4 engine is it not? Maybe Acura will advertise the RDX with the LeMans car, and Mazda will advertise their CX-7! Battle of the Jap SUV engines, lol.

Come on, give us Lola + Rotary... we're just talking in circles here now.. a few days more til the annoucnement..
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rotary crazy

well, maybe mazda has being developing this engine for some time? and it does make sence since most of mazdas product have a turbo 4 in them now

I still hope to see a rotary LMP2 next year

Tirminyl

3 more years for another 1000

Im keeping my fingers crossed for a LMP2 rotary.

rotary crazy

im allmost with you 978 post in 3 years

Renesis_8

500 in a year.. I am quite fast.. haha, we might have a 100 each in this thread alone. lolz
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rotarygod

One thing really hints at a turbo 4 coming. The Petit LeMans was called "Mazda Petit LeMans Powered by CX-7". Foreshadowing?

Renesis_8

The puzzle pieces are falling together...
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rotary crazy

pettit lemans was also powered by the CX-7

Renesis_8

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Tirminyl

I have to keep in mind that Mazda is just a sponsor and its not a full factory support. It's moreso BK's decision as to what engine they are running is it not?

These rumors are killing me!

rotary crazy

well know in a couple of days

rotarygod

That's what I said.

Senna

I love racing in most forms particularly F1, Grandam, ALMS, Champcar and Indycar to name a few. But being able to watch the Rotary makes it especially enjoyable. If they drop the rotary in ALMS it'll definitely be less interesting. I really couldn't give a damn about the P2 Porsches. I actually enjoy watching those holyier than thou teams struggle. The PTG M3's won't be running in 2007 either which sucks.

The reality is that when you're 6-7 seconds off the pace you're not even competitive and it becomes embarrassing. So either Mazda/BK have some serious changes in store or turbo-4 it is. Seems pretty obvious to me that to make up that kind of time deficit a major change would have to happen. Chasis change won't be enough.

Senna

Can somebody remind me why turboing the Renesis won't fly? I'd prefer to see that over the 13B.

Tirminyl

Chassis change will be more than enough.

rotarygod

I don't see how. They aren't going to lose THAT much weight. They need an engine first and foremost that can give them the power they need.

Senna

I wish it could be sufficient. Hypothetically, if they were to lose 2-300 LBS (probably not realistic) I still don't think that would drop their times to where they need to be.

Perhaps a better cooling system (with new Chasis) would allow them to increase output. I think RG addressed this earlier but still we're too far off the mark for that to be enough.

We'll see what the Mazda tent has to hold in a couple days. Probably, the race engine (turbo-4) for 2007 along side the CX-7.

Tirminyl

An overweight out dated chassis whos design lacks the ability to cool the engine properly is gonna perform poorly. A well tuned turbo 2-3 rotor will do just as good as a turbo 4 but alas we will find out for sure this weekend.

rotarygod

Pescarolo ran a C60 chassis which is the predecessor to the C65 in the 24 Hours of LeMans this year and got 2nd. They also won SPA this year. The BK chassis is a C65 with a C60 rear which needed to be used to mount the rotary engine. The rotary is heavier than many of the other race engines out there. The extra weight isn't just from the chassis although that has some part of it. Their cooling problems have been more with the water pump than anything else. They finally worked that out by designing a new one as the old one would cavitate at high rpm's. The chassis does have some things that could be fixed in terms of cooling ability but it wasn't the main problem. They need an engine program more than anything. If Pescarolo can will with a C60 and a competitive motor, the problems can't all be blamed on the chassis.