Czinger 21C: In-Depth First Look At The 3D-Printed Hybrid Hypercar | Carfection 4K

Kevin thank you so much for agreeing to talk around these and kind of what they represent which we'll get to in a bit let's start with the cars that we have here though because they are in their own right pretty extraordinary things they are the first thing to sort of say is probably the seating now let's start with that before we get into the engineering underneath them because what made you want to go with this particular seating there well I mean at you know thinking about hyper cars you think about extreme performance and if you really want to be in the optimal driving position you want to be in the center of the vehicle and you also want to optimize Aero so and the third thing is you also want to have something that emotionally is cool and gripping in terms of a look and a configuration and you know I looked and said okay I want to have a driver in a center seating position and then I want to have jet fighter type seating because that minimizes the frontal surface area of the vehicle for maximum Aero efficiency and that configuration to me was you know the best form for driving and the most emotional configuration that you could be in for performance driving and once you've once you've got across the most very wide sill which is always the thing about the central driving position that's probably the most awkward thing but once you're in there it's just it's a fantastic feeling of sort of being cocooned in this beautiful sort of Airy cockpit isn't it sure and you know you sat in the vehicle so you know that sitting in it you actually have lots of room and in the rear there's even more room than the front seat and you have this panoramic view so you know that configuration once you get in you know that's a very tight high-performance driving position that's also from an experience standpoint you know something that's very emotional you feel like you're in a jet fighter absolutely now totally of high performance let's talk about the drivetrain of this car because we have got we've got an internal combustion engine sure the rear and we've got electric motors two of them up at the front tell us a bit about that sure so if you're really looking for ultimate track performance you need to put power to the ground right and putting more horsepower into two wheels is gonna have a limit right you're you're going to be limited by the traction you can get so you want to go big three to five section cup twos on it sure nobody it's kind of you know this is a 950 horsepower mid-engine v8 but in order to get ultimate track performance and accelerate out of a corner or accelerate from a low speed quickly you want to have traction also through the front wheels so we set it up as a strong hybrid there's an electric motor two electric motors in the front each is 150 horsepower and that allows us to coming out of a corner you know with torque vectoring put attraction through all four wheels for a total power output of twelve hundred and fifty horsepower but if you really want to get you know ultimately you know one or two seconds you know off of a lap time you vent and you want to have crazy acceleration like this car has you know zero to 100 kilometers an hour or 0 to 400 kilometers an hour and back you need an all wheel drive vehicle which is what we put together and obviously we we did it in a way that focuses on power density of the powertrain itself and power-to-weight and let's a couple of things that sure so the performance figures themselves north 62 1.9 seconds is that zero zero to 100 kilometers an hour in 1.9 seconds a mile zero to four hundred kilometers an hour and back to zero in 29 seconds and you know for Americans like myself who grew up street racing and drag racing quarter mile in point one seconds Wow and then the next thing is is weight because obviously start mentioning electric motors and batteries that go with them that sort of thing people think this is gonna weigh quite a lot but it doesn't doesn't it it doesn't and I'll tell you why the part of it is that we're using two very lightweight micro battery packs so the battery pack that that powers each of the electric motors up front is two kilowatts so it just is tiny I mean that sounds like nothing really to kind of to produce it is but what we're doing is we have a rear generator motor that is continuously recharging those batteries along with the regenerative braking from the electric motors themselves and that rear generator is run by the the crank of the internal combustion engine which also acts as the starter for the the internal combustion engine but that allows us to have very small packs be able to use that power when it's needed coming out of a corner or accelerating the vehicle and then obviously the you know mid engine you know dole turbo v8 takes over at that point but what that allows you to do is have a very light vehicle with a lot of power going through all four wheels by minimizing the pack size and maximizing the efficiency of the vehicle by only using that front wheel drive when it's needed and recharging the battery system through that rear generator I'm sorry let's walk around to church doctors we've got the rear deck opened here so the engine is is actually small it's this 2.9 to be eight liter yes which forgiving he's a very powered dense given the amount of horsepower is putting out what will it Rev to I mean the red lines eleven thousand but you know at its peak power which is around 950 horsepower you're peeking around 10,500 RPM but at even at that the the motorists scream it this is a very emotional vehicle when you're in it when you're in that central driving position all four wheels are connecting and you have the screamin it's like an early 2000s f1 car back when they had the v8 and they were revving into the teens yeah that's how you feel and that quite frankly is what I was trying to capture from an emotion standpoint that's what I enjoy I'm saying now we've got also under here a bit of an idea of some of what's going on underneath the skin of this because that's where this car gets I think I could be even more interesting we'll mention the exhaust sure as well because I gather that split sure cross flames out of the back which is not for show it's just because it's it's sufficient but is also less makes it very very cool well it had the happy coincidence that it is more efficient but it is very cool to to think that you know in in my own mind I was looking and thinking okay you know you have like x-men and now you can create a car that's like an X Beast that's putting out an annexe flame in the back but you know that was the happy coincidence of something very cool coming together with something that's actually the most efficient way to to structure the exhaust 3d printing we can see a little bit of Israel in here and that's that's what's going on underneath this car in terms of some of the extraordinary shapes it can be now generated by computers and this car that sort of brings us on to what this car represents all these cars I represent because this is this is not just about producing a WOW factor car it is to get people sort of to trigger people for you its development but also to drink of people into the idea of what this can represent in terms of the manufacturing and production so could you explain a little bit more about some of that please so yessiree so these vehicles literally up until now could not have been created I mean what we've done is to take a combination of computational engineering using high-performance computing supercomputing to generate a fully engineered structure using materials that we've invented and design for specific performance use and for printing and having the Machine take and select those materials out of a database and then put material only where it's needed against the engineering requirements and once you take that computationally engineered data that's done you then send it to printer with a spec that we have using our materials and our software you then generate that structure and then that structure with very high precision using a laser camera optics system is assembled and the machine doesn't care if you're building one type of structure or another it's like a Mac desktop publishing system not caring whether you're publishing a Bible or you're publishing a comic book right it can switch from one to the other and then once that's printed having the design for assembly features actually built into the structure so you can then take that structure and in an automated way assemble it and we use a set of adhesives that we've developed and patented to bring all of the multiple materials for a structure together in an automated way so it's design print assemble in a modular way that's non design specific meaning you're not having to retool something machine hardened steel blanks and then stamp out pieces of the same gauge alloy steel or aluminum all of that goes away the fixturing for assembly goes away and you have a system that's very much like an industrial grade mac desktop publishing system imagine a vehicle imagine of performance requirement imagine a structure generate it print it and assemble it Kevin it sounds up to fascinations being pleasure talking to you thank you thank you Andy enjoyed it [Music] [Music] [Applause]

Channel: Carfection

Views: 64,953

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Id: e-oNfieJbFw

Length: 11min 35sec (695 seconds)

Published: Sun Mar 15 2020