Koenigsegg says it has developed revolutionary new electric motors and powertrains for electric cars that offer high power in a compact size.
That article says, “Note that there is not a topological continuum between the two constructions, they really are fundamentally different ways of making a motor.” See the illustration below. And yet, Koenigsegg and his chief electric motor engineer Dragos-Mihai Postariu have figured out a way to combine them in a single, ultra-compact unit.“The Quark is unique in its high efficiency in combination with its class-leading torque-to-power-to-rpm-to-weight matrix,” says Koenigsegg.
“This means, when using the Quark in applications such as marine, aircraft, or VTOL, there is no need for a step-down transmission. Instead direct drive can be achieved, as the RPM of the motor is right from the get-go. Small high revving motors can have higher peak power-to-weight ratio, but they need transmissions in most applications in order to get to the desired output rpm and torque, causing energy loss and adding weight and complexity to do the same job. So any benefit in size is lost.
The package is called Terrier , because “both the dog breed and the drive unit are characterized by their small, energetic and fearless demeanor,” the company says. Its specs are impressive — 670 hp and 811 lb-ft in a package that weighs justYikes! A V-8 engine and transmission weigh about 500 pounds. Not only that, but power from each motor can be controlled separately to allow torque vectoring across an axle.
“The compact and unique packaging allows the Terrier to be elasto-bolted to the monocoque or chassis directly – thus allowing for design, engineering and luxury accommodations previously not possible. This trait also potentially cuts away the complexity of added subframes or weight.”A high power, ultra-compact powertrain is just what the people designing electric cars are praying for.
Will there be a market for Koenigsegg’s revolutionary electric motors and powertrains? Oh, you betcha. We are willing to bet the phone is ringing off the hook in Ängelholm, Sweden, where the company has its headquarters, as you read this.
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