Engineer Explains How Koenigsegg Regera Runs Without a Transmission

Mar 27, 2017 10:13 AM EDT | Yen Palec


When the Koenigsegg Regera made its high-profile debut a little over two years ago, the motoring community was abuzz with the car's engineering brilliance. One of the hypercar's most talked about feature, or lack of it, is that it does not have a transmission system.

Despite the lack of CVT, or gears, the Koenigsegg Regera can reach top speed of up to 250mph. Just how the Regera managed to achieve this is nothing short of a miracle. Thankfully, Engineering Explained's Jason Fenske devoted one whole video explaining how this engineering milestone came to be.

Koenigsegg equipped the Regera with what it calls "Direct Drive." Based on Fenske's video explanation, it is indeed possible for the Regera to achieve 250mph.

The Koenigsegg Regera accelerates using an electric drive system. It also has a 5.0-liter V8 engine linked by a hydraulic coupling in order to achieve the 2.73:1 final drive. Based on Fenske's explaining, in order for the Koenigsegg Regera to achieve 160mph, the car needs 2,368 pounds of force. At this point, the car will face 601 pounds of aero and rolling resistance.

Experts have also pointed out that the Koenigsegg Regera's secret lies behind its massive torque. In fact the Regera's engine, mated to three electric motors, produce a massive 1,476ft-lb worth of torque, according to Digital Trends.

The Koenigsegg Regera, and the Agera RS, models have a price tag in upwards of $2 million. What is even more surprising is that it takes the company four to five years in order to make delivery. Nevertheless, the promise of a powerful car is persuasive enough that people are lining up to buy one.

In an interview with Road and Track at the Geneva Motor Show, Christian von Koenigsegg said, "Some of them are even ordering them now (at the show) despite the 4-5 year waiting list, but we have many, many more that'd come after seeing let's say a 2-2.5 year list."

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