http://www.motoiq.com/magazine_artic...vo-part-1.aspx

It'll be interesting to see what Andrew's S2k TA project can do against this monster.

 

I don't know who Andrew is, but I doubt any privateer car will match the car that won WTAC this year.

 

https://www.s2ki.com/s2000/topic/673...ass-s2k-build/

2.5 years in the making already. May need more downforce IMO, but I guess we'll see.

 

Sweet!!

 

The NEMO makes 2500kg of downforce at 300km/h, and some very impressive numbers under that. Top Fuel's 800+ HP 1000KG S2000 with completely bespoke Voltex designed aero couldn't beat it this year.

 

Well, the Top Fuel S2000 also got beat by the Scorch Racing S15 Silvia with only a GTX3582 (~750whp max).

Andrew's S2k should have about the same power as Nemo, but unsure on its weight. So I think the main differences will be in downforce and RWD vs. AWD.

 

So what are time attack cars? Forgive me for asking but what makes this more lust worthy than say a F3000 car or if you really want to go crazy a used CART car.

 

I'm not sure what you're asking. Since a "time attack" is just an timed lapping event, where drivers attempt to lay down the fastest lap they can, instead of racing for position against others, I imagine any car used in that capacity could be considered a "time attack car." As far as I know, the World Time Attack Challenge (WTAC), Redline Time Attack, etc. have classing to accomodate cars based on production models, though you can see at the upper echelon, there isn't much relationship to the original car. That said, they interest me because there is so much variation between all of the cars. You can really see how the way the car is built, the way it is set up for the driver, and the way the driver has to adapt and utilize his unique platform.

There was another thread about the NEMO evo and I raised the same question:

If you're going to bother completely rebuilding the front end of the car out of carbon fiber, why would you use the same basic design of the original, with all of its aerodynamic compromises? Do the rules stipulate it has to be "recognizable" as based on a production car? If so, the NEMO evo is pushing that rule a little bit...

 

Time attack started off in Japan back in the day as a way for tuner shops to prove their worth. The goal was simple, take a street car, modify it, and try to lay down the fastest single lap possible around a track.

It's somewhat like Friday night street legal drags at dragstrips across the US. Take a street car, modify it, and see just how fast you can go.

Of course, as you get to the fastest cars, they are extensively modified and have little left resembling a street car... but the fact remains the cars start off as standard production vehicles.

This is coverage of the WTAC this year:
http://www.motoiq.com/magazine_artic...ition-day.aspx

If you read the comments section, it gets into a lengthy description about the 'spirit' of a time attack car vs. what the rules allow.

 

That's basically what I was asking. It seems that Time Attack refers to the timed lap event (like autocross on the full track) vs a traditional race. The first references I found were related to Tsukuba so I assumed it was based on modified road cars.

While I understand why manufactures want to promote cars that started off as real cars, I don't understand why racers would prefer such cars. A true, ground up race car design is almost always a better race car in the end. There is actually quite a bit of variation in the purpose built race cars as well. Just look at SCCA's DSR or F1000.