How fast is the fastes FD3S.
The petit car estimates 380km/h but thats a 20b, how fast can a 13b get to with about 400rwhp ?

 

242mph bonnevile record held by racingbeat's black high speed aero RX-7...I'm sure it had more than 400rwhp It was on display at Sevenstock5

 

would it be possible to make a 13b FD with 400rwhp go 300km/h ?

 

A car mag did a Camaro build up a few years back with the intent of seeing what it took to go 200mph. Didn't take a whole lot. They slammed it for better aero, fitted some skinnys all around, and built it to around 500 crank horse (say 400rwhp). I'd guess (and only guess) the FD has better aero than a 4G Camaro so maybe just a bit over 200mph at 400rwhp.

Chris

 

No thanx, never touch the stuff.

O...u mean as in "go fast". Not since my car's been outta commission.

 

Not to start my usual lecture, but speed is NOT an easy thing to just pick up. Just search for a few of my posts on aerodynamics and you'll see why it's so hard to come by. As for 300km/h, I'm pretty sure that's possible or at least pretty close.

 

On The flats or on the street??? There is a big question... Its going to hard to find a STREET flat enough to go 300 kph without flying... Most of it is in arodynamics... The Fd has good drag coeficiantcy I dont think its good enough to go that fast stock bodyed though... at high speeds you run into a wall depending on the areodynamics of the car it could be 130 it could be 180... and even with substancially more hp you do not gain maney mph... oh by the way... I have heard that the 1st gen rx7 has the best dragcoeficiancy out of all the RX series cars... strike up another one for the 1st gen

 

i dont know about the 1st gen drag, but with the aero kit, FC's had a Cd of .28 or .29. without the aero kit FD's had Cd of .29, with =.31

the racing beat S4FC hit ~238 (cant remember exactly) in stock trim, lowered with wheel covers. but then in 88 it went flying at 214. the video of that is absolutely incredible to watch. it looks like an animation. i watched for like 15 minutes over and over

gotta love the FC
Justin

 

Generally, a vehicle can attain a higher speed on a paved road (it better be damn long, clean and straight) than on the Salt Flats. Generally this is due to traction issues and issues of the ruts generated and pulling the car. Also the salt wreeks havic on engines!

 

Yeah I just know what its like doeing well over 140 in a 1st gen and I hit bumps and I think I am going to die... couldnt imagion doing 200mph

 

The 1st gen has a Cd of .36, not bad, BUT a far cry from being better than the other 2...damn good though for back then.

FD's have a great Cd like he said .29 w/out kit, and .31 with kit. Why does it go up you may ask...well it's all about adding stability/downforce at the cost of drag. In this case I forgot the figure (I think it was Clr .04 or so...close either way), but it's a good package even with the reduced speed.

FC's had .31 w/out the aero kit (185/70R14 tires), and .29 with the aero kit...while upping the downforce, why didn't the drag go up you ask. Well sometimes you win some and sometimes you lose some. I'm sure if you removed the rear spoiler it MIGHT drop the Cd a hair (no more than .1 though...if you're lucky), but then the Clr wouldn't be as good (.07, Clf=.08). The penalty is worth it.

 

Oh yea...aren't you talking about the FD that flipped??? I don't remember hearing about an FC, but I saw the FD film...man that was brutal!

 

you are mistaken..... unless one flipped that i am not aware of. it is the 1988 racingbeat RX-7. it is white and the view is from a good distance onthe video i have seen. it flipped at 214 mph.

unless there was another, this is the only one I know of and it is the only one i have ever heard anyone talk about...

.... dont try and take credit for our precious FC....

Justin

 

Hold on now little buddy, I'm also in the FC goodness club. I don't own an FD just yet, and even then I wouldn't get rid of my FC. But from what I remember it was an FD that I saw in the video...hell maybe it was an FC it was a shot that was KINDA far off and it did flip at 215 (214 whatever). I'll look for the video again sometime and see if I can get a better glimpse of it. I do remember it being the exact same paint job as the Racing Beat FC though (red/white/blue), always thought it looked a little different from the FD but I don't remember now it's all clouded and it's been a WHILE now.

 

Where can i find drag coeficients for the older rotary stuff? I am curuious what the drag coeficient is with my rx3. Does any one know?

CJG

 

KiyoKix, you are right. The infamous crash with Jim Mederer behind the wheel happened in an FD, not an FC. As far as I know, Racing Beat never flipped an FC.

 

I have the Vid on my computer and have watched it god knows how many times, it's a FD all of the features are there.

it wasn't that the car didn't have enough downforce, the front tires got caught in a major rut and it spun the car allowing air to catch under the car and flip it.

That was racing beats first bonnevile FD and it was white and the black one was the second. It had the 930 CrHp (crank hp) 13G 3 rotor P-port engine with 3 turbos. The black one had less Hp don't remember the # but didn't have the same bad luck like the white one.

 

HA...I knew I was right. The one in the video does have the racing beat colors right (white,red, and blue)??? And the 2nd FD is black, red, and blue right?

 

Actually it is the same FD, they just rebuilt it and painted it black.

I remember reading about the Racing Beat car in Motor Trend when it flipped, I still thought it was about the coolest car in the world even if it catches air at 214mph