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Saturday, March 15, 2025

Scout extended-range PHEV tech, platform may very well be scaled to different autos


  • EV model affords 350 miles; greater battery could be detrimental
  • EREV system will go 150 miles on battery, then 350 miles on gasoline
  • Guarantees full system efficiency whether or not on battery or vary extender
  • Rivian-based structure guarantees to maintain electrical vehicles “recent”

It’s been almost two years since Volkswagen’s Scout Motors electrical SUV model introduced a $2 billion South Carolina manufacturing facility and began to emerge from stealth mode. However will probably be one other two years earlier than these fashions are due for his or her first deliveries. 

Based mostly on the reveal of its Traveler SUV and Terra pickup in idea variations proven final fall, together with costs stated to begin beneath $60,000, and govt feedback to this point, Scout has laid out among the fundamentals for the model. 

Scout will, on one hand, supply a glance again to the previous: rugged EVs with squared-off styling impressed by the traditional Worldwide Harvester SUVs constituted of 1960 to 1980. It gained’t be a ruse both, as Scout guarantees to construct unparalleled DIY, back-to-basics simplicity into these vehicles, with an strategy that makes them straightforward to restore your self

Scout concept interior

Scout idea inside

However then again these vehicles might be backstopped by some modern parts, together with a totally new infotainment interface known as Group UX, plus a zonal structure and software-defined car foundation conceived by the brand new three way partnership between the VW Group and Rivian. That’s an thrilling level, and it opens up all types of alternatives that might add complexity or simplify, relying on the top product. 

May Scout’s standout pairing of nuts and bolts and clicky buttons, crossed with the potential of satellite-data-delivered characteristic upgrades, assist make EVs fashionable with a brand new group, or will or not it’s the McDLT of electrical SUVs? 

It seems like fairly the balancing act from a know-how and engineering perspective, and that’s why Inexperienced Automotive Stories checked in with Scout Motors chief know-how officer Burkhard Huhnke final month at CES. As these fashions push forward from the idea to the prototype stage, the CTO revealed numerous particulars concerning the model, the vehicles, and the tech. 

Scout Terra concept

Scout Terra idea

Scout: Trailblazing EV range-extender format

From an engineering standpoint, the elephant within the room is that, amongst Volkswagen Group’s core passenger car manufacturers—VW, Audi, Porsche, Lamborghini, and Bentley, plus Seat, Škoda, and Cupra—Scout is trailblazing. There is no such thing as a present body-on-frame SUV and there’s by no means been an EV with a spread extender.

“It’s in fact a possibility,” stated Huhnke. The CTO underscored that it’s the primary body-on-frame car within the group, the primary mannequin with the ladder-frame idea, and the primary such car with an EREV propulsion system (a plug-in sequence hybrid system, to be dubbed Harvester). “Every little thing has been developed as a unit—platform—which has the chance as a versatile platform to be scaled, possibly, sooner or later,” he stated. 

“Our IP has been generated in-house,” stated Huhnke, concerning the EREV system, referring to it as one other core competence for Scout. So the engine, the generator motor, and different parts will come from elsewhere within the VW Group, Huhnke verified, whereas Scout is managing all of it in a unified system. 

“The operational technique, it’s fully ours,” he elaborated. “We can not construct an engine ourselves, however the vary extender itself is so charming; you’re utilizing a BEV structure beneath and simply carrying a sort of DC charging system with you.”

Huhnke didn’t give any hints about what engine, or sort of engine, is perhaps used right here from the huge VW Group components bin. However addressing a possible sore level—ask some former BMW i3 REx homeowners—he assured that drivers would have the “full efficiency of the system” whether or not utilizing the battery or continually charging from the vary extender. Based mostly on cutaways proven by Scout Motors, the vary extender might be small, and can mount not beneath the hood however on the rear of the car, behind the rear axle and beneath the cargo ground—an strategy that may preserve the frunk however hopefully not impinge on off-road angles.

Scout Traveler SUV concept

Scout Traveler SUV idea

Why does Scout EV peg 350 miles of vary?

Why did Scout resolve that 350 miles is sufficient for the BEV, whereas Rivian, for example, pushes to 410 or 420 miles and the Chevy Silverado EV and Cadillac Escalade IQ push it out to 460 miles?

Put bluntly, it might be near the restrictions of what suits inside the ladder body. However Scout additionally didn’t need to be seen in the identical firm as fashions just like the GMC Hummer EV, Huhnke let on. It’s a matter of maintaining weight beneath management—which is what the EREV model achieves. 

Cramming in additional batteries, Huhnke defined, could be detrimental. “You may improve the driving vary by including increasingly more capability into the battery, and that’s growing the burden drastically,” he stated. “Or it’s maxed out by the prevailing area of the ladder body.”

Scout claiming 500 miles with in gasoline range-extender form

Scout claiming 500 miles with in gasoline range-extender kind

Huhnke stated that the EREV model—which Scout CEO Scott Keogh just lately stated extra prospects have been ordering due to vary anxiousness—will ship an electrical driving vary of round 150 miles, then a further 350 miles with the range-extender. “So in complete, 500 miles, that needs to be adequate; it’s a commerce off in between the burden equation and the capability of the battery.”

The one different absolutely electrical fashions that trip on such a setup—physique over ladder body—are the Ford F-150 Lightning and the Mercedes-Benz G-Class EV (or G580 with EQ Know-how, in Mercedes advertising parlance). The latter suits a 116-kwh battery pack contained in the body rails, whereas the Lightning suits as much as 131 kwh. Scout hasn’t stated what dimension its battery packs are, nevertheless it makes clear it didn’t need to go super-sized. 

GM’s full-size electrical pickups and SUVs, as launched within the GMC Hummer EV, make use of a construction that mixes facets of body-on-frame and unibody building, counting on a thick battery pack to supply among the structural advantages of a body. However these fashions’ curb weights soar previous 9,000 kilos

Scout Traveler concept

Scout Traveler idea

Scout EVs might be off-roaders to the core

Scout may even want a brand new degree of traction and stability management programs catered to off-road conditions—and Hunke assured that these are taking kind in-house along with chassis and propulsion improvement. 

“We’re going to have an air suspension built-in as a suspension system itself (his emphasis),” stated Huhnke, which can permit new ranges of tuning and discount of noise, vibration, and harshness (NVH). And he says it’s how Scout reconciles this with off-roading that might be one other core competence. 

“We had determined to have this off-road functionality, and subsequently we determined to make use of a extra standard strategy on the chassis and propulsion system,” he stated. “Meaning we’ve one e-beam (an electrical motor included right into a strong axle), for example, because the rear axle.”

How a lot of all of that is really being engineered by Scout Motors? Some improvement is going on inside Scout, plus “competence in-house to design, simulate, and run sturdiness testing,” defined Huhnke. “After all we’re working along with suppliers. We can not simply rent a complete workforce; that doesn’t make sense.”

Scout Terra and Traveler concepts

Scout Terra and Traveler ideas

Optimizing for weight, aero, sustainability

What Scout is doing a whole lot of in-house is optimizing, through a improvement path that’s been completely different than something the VW Group has made to date, Huhnke defined. Improvement has emphasised the usage of AI and digital twins—one of many auto-industry tech buzzwords of the 12 months—permitting the workforce to check structural particulars, design particulars, or engineering adjustments beneath, in a manner that wasn’t doable earlier than with out bodily prototypes. 

“Combining the complete compute energy in 3D fashions with a mixed AI strategy offers us instantaneous outcomes for adjustments in aerodynamics or construction,” stated Huhnke, including that having a brand new manufacturing facility and its greater ranges of accuracy will benefit from this fantastic tuning.

On the way in which from idea to production-bound prototypes, that’s been particularly helpful in reconciling the design from chief design officer Chris Benjamin’s workforce with underbody airflow. Huhnke stated that it’ll additionally assist the workforce obtain its focused prime U.S. security rankings from the NHTSA and the IIHS. 

You gained’t discover carbon fiber within the Scout vehicles, nor a lot aluminum. The Scout electrical vehicles observe a “conventional supplies strategy,” stated Huhnke, however the optimization strategy and simulation is resulting in a critical weight discount. It made choices to emphasise metal partly based mostly on carbon footprint, he stated. “We’re fastidiously going by way of the fabric listing and optimizing from that standpoint,” stated Huhnke. “In case you speak about carbon fiber, it’s all the time interesting for use from a weight optimization perspective, however not from the sustainability perspective.” 

Rivian and Volkswagen Group electrical architecture and software stack

Rivian and Volkswagen Group electrical structure and software program stack

Radically completely different, Rivian-based underpinnings

Whereas the body-on-frame and solid-axle underpinnings recommend a conservative strategy to those autos total, what’s beneath connecting parts might be one of the modern layouts within the {industry}. 

“With the brand new three way partnership between VW and Rivian, we’ve an opportunity to make use of zonal structure as one of many first manufacturers, and that offers us the OTA alternative we all the time needed to have,” stated Huhnke. “So new options, new updates over a lifetime…we’ll hold the vehicles recent.”

The CTO is referring to the adoption of Rivian’s zonal structure, which permits an unlimited discount of the variety of separate management models across the car, and a discount of the quantity of wiring, connectors, and different related items. With software-based controls for zones, it offers far more flexibility to roll out adjustments that might retune, refine, or redefine how a core part works—the dream of the software-defined car.

Scout has confirmed that its electrical vehicles will run on 800 volts, and be able to charging at as much as 350 kw—and that they’d help some degree of bidirectional charging functionality. Altogether, which may make it extra superior in some basic facets than Rivian’s present R1 lineup whereas additionally harnessing Rivian’s extra superior electronics structure. The VW Group pioneered 800-volt programs within the Porsche Taycan and Audi E-Tron GT, and it’s now in a rising group of PPE autos together with the Porsche Macan Electrical and Audi Q6 E-Tron. 

Scout Traveler concept

Scout Traveler idea

However there are many particulars but to return. Scout will emphasize tactile buttons and controls and gained’t bury gadgets in infotainment menus, Huhnke promised. But the Scout vehicles will be capable to each monitor car diagnostics and handle predictive upkeep with cloud-based providers, with push updates when required. It additionally plans to construct satellite tv for pc web into its vehicles, however Huhnke recommended that it’s nonetheless figuring out methods to make {that a} seamless a part of the expertise. 

Two years from now Scout will present a really completely different expertise versus Rivian fashions, and maybe a special expertise versus every other EVs available on the market. Whether or not or not it’s a success relies on value, specs, and extra, in fact, however maybe extra so, whether or not truck sorts are charmed by this very unique mixture of the previous and the long run. 

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