“bZ Time Attack Concept”: SEMA Build Episode 2 | Toyota
I have 40 years working with Toyota. I started on one of the racing programs. So, it is so rewarding to be the first team that gets to bring an all
electric Toyota race car to SEMA. When you see the inside of the car, you’re going to see that we are removing
everything that’s not necessary out of it. We want to make it as light as possible. We’re going to have a steering wheel and
we’re going to have an instrument cluster and pretty much everything else is
going to be gone except for safety. So, the rendering we’ve got now is really close to what I think
the final product’s going to be. It’s flashy without being over the top. It’s going to be kind of the
Swiss Army knife of a BEV I think for us from a race car perspective. So, we just want to go out and
kind of see where it performs best and what we can have fun with doing with it. So today we got pretty much 95% of the cage done. As you can see, all the tubes are pretty much in. We designed the cage to be
legal in FIA, in hill climb, as well as time attack. So the cars originally came with a glass roof. We were looking through OEM parts
through Toyota and we did find that they did come with a steel roof. So, we were able to get that which
is relatively light for how big a piece of metal it is and it fits perfect. Future of electric has potential
to be incredibly powerful. And so, ultimately what we’d
like to do with this vehicle without having to change too much of it is to be able to go from what
a year ago was 200 horsepower to maybe 500 plus. 500 plus horsepower will
allow us to be competitive in the different venues that
we’re looking at running this car. This car isn’t for show. This
car is to go out on the track and have somebody, a professional
driver, just beat the heck out of it. Let’s see what we can do to it. There’s so many unknowns with this build for us because this is the first time
we’ve done large scale 3D printing that is actually going to
be on the outside of the car as opposed to in projects in the past we
used it to to bring two things together. Now that’s starting to look like a fender. That looks pretty good. We’ll throw some bolts in
them and see what happens. This is actually going to be the
most visible part of the vehicle because we’re going a lot wider. We’re going 6in wider overall on the whole car. One of the craziest things about this time attack is when you look at these vehicles, they’re geared up for one
lap on their own on a track, which means you don’t get the disruption of the air from the car in front of you. So you can go with a massive wing on this as long as you have enough horsepower to push it. So it’s all about getting downforce. We’ve got a two element wing. We made the swan necks to mount
it onto the back of the deck lid. We’re also doing an air splitter. The bottom of this car is super, super flat. So we’re able to use that to our
advantage. So if we hit it right, we’re going to have a car that
just sticks to the ground. This will give you a pretty good
indication of where we’re going to end up. 19x11in wheel. This is the tire that’s going to go onto it. It was a 7in rim. So, you’ll see how much more meat we’re
going to be able to get to the ground. So, the biggest difference
between what we’re used to doing, which is internal combustion and electric is the torque curve on electric car is so different. The only way we’re going to find out is by spending a lot of hours at the racetrack. With 3D printing the front fenders, we’re going to kind of integrate
those into the front lip spoiler as well as the rocker panels. We’ll also kind of fit the front
fender and the rear fender. So, we left everything a little big so that way when we do get all the fenders
and all the parts installed on the car, we can put those on and know
where our finishing pieces go and we can kind of finish everything out. This is as close to perfect as I can imagine. The front where it wraps around is darn close. So, in general, this thing is amazingly close. In a perfect world, we’ll have everything we need and we’ll be coasting over the finish line. It rarely happens that way. I don’t know how many late
nights there’s going to be, but success is really our only option.
Follow the team as they navigate uncharted territory, transforming an electric bZ into a time attack monster. The journey intensifies as they tackle unique challenges, from balancing battery performance to pioneering 3D-printed aerodynamics, with even more obstacles ahead.
00:00 Gutting the interior of the bZ
00:33 Studying the rendering
00:54 Designing the interior cage & swapping external parts
01:57 What are the unknowns of this build?
02:20 In the shop: The facade comes together
02:59 About the two-element wing for speed
03:20 Fitting, 3D Printing and Finalizing Parts
04:22 Success is the only option
Check out what’s new and watch more Toyota SEMA videos:
▶Latest videos from Toyota: https://www.youtube.com/watch?v=2_53LXo-UNo&list=PLsOvRYzJPCwVPnQZg9qWBpGP8oHLM1aT_
▶More Toyota SEMA Show videos: https://www.youtube.com/watch?v=jj6XBss22Pg&list=PLsOvRYzJPCwUOCtl_IzAzuB063QdnmDPS
▶Watch the “bZ Time Attack Concept”: SEMA Build Episode 1 | Toyota: https://youtu.be/uY2UEdA59Jk
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