How Koenigsegg's Tiny Engine Makes 600 Horsepower - Only 3 Cylinders!

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The Koenigsegg Gemera Has The World's Most Powerful 3-Cylinder Engine

The Koenigsegg Gemera is an incredibly complex vehicle. At the rear wheels are two electric motors, each rated for 500 horsepower and 1000 newton meters of torque, and they each have a single-speed gearbox before sending power to the rear wheels independently.

Sandwiched between the motors is the Tiny Friendly Giant or TFG, a 3-cylinder longitudinally placed engine. It's good for 600 horsepower and 600 newton meters of torque, and mounted to the end of its crankshaft is another electric motor, good for an additional 400 horsepower and 500 Nm of torque.

Total system output is about 1700 horsepower, as the battery has limits to how much power it can supply, and motors and engines make peak power at different times.

The engine and third motor actually send power to the front wheels exclusively, so this is Koenigsegg’s first AWD model. Power is sent through a carbon fiber torque tube, then passes through a torque converter, then through a simple ring and pinion to split power between the front wheels. On each side of the ring and pinion are wet multi-plate clutches, so either front axle can be completely locked up or detached, allowing for torque vectoring.

With independent rear motors, the rear also has torque vectoring, and each motor also has a wet clutch to detach completely, meaning for highway cruising it can operate as FWD only for optimal efficiency. All wheel drive. All wheel steering. All wheel torque vectoring. Powering all of the electric motors is a 16.6 kWh, 800V battery pack. The pack is good for 50 kilometers or 31 miles of electric only range, and can be charged using the engine, or through regenerative braking. Total combined range is 1000 kilometers, or about 620 miles. Enjoy the video for the full details of this very cool engine!

Detailed Gemera Breakdown:

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*CORRECTION!* The individual cylinder volume for TFG is 666.7cc, NOT 66.67cc as shown in the video. Same for the V8, 625cc, not 62.50cc. Oops! 🤦‍♂️Hope everyone's staying safe & social distancing!

EngineeringExplained
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We officially live in a world where a Koenigsegg's engine has one less cylinder than a Prius

iMidnightMonster
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"I drive a 3 cylinder hybrid"

mariegoldstein
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This video will always be close to my heart. I remember I did a project in my Engineering days about VVT, VVD and VVL in a single system using pneumatic and electromagnetic actuators 8 years back. My professor degraded that project proposal saying it's practically non-feasible and this won't happen in a production car for at least next 20 years. Koenigsegg just proved a heady Ph.D wrong and I couldn't be happier.

vishverma
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"Other companies aren't doing it because it's expensive"
*guy makes a freevalve miata in his garage*

squidikka
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7:26

They wrote "the show must go on" on the engine..

I love it

MSgtRazor
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Koenigsegg literally threw the book out of what an engine could be and started again. All he kept is that there are pistons and bearings. He's redesigned everything

bigoz
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When someone say "That is impossible!" they are wrong.
Koenigsegg just haven't done it yet.

Schenton
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Christian Von Koenigsegg is truly a living automotive legend.

WhatComesAroundTM
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Ultimate Sleeper - Fiat 500 Abarth engine swapped.

"Im telling you, its just a 3 cylinder engine!"

Nikkeftw
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4:53 — Geek-out level: maximum

In all seriousness, this vehicle represents the pinnacle of what automotive technology has been able to achieve in nearly a century and a half. Very impressive.

mmwosu
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9:57: Note below the Koenigsegg logo, the statement:

"The show must go on"

krispykruzer
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I have been teaching motor mechanics and auto electrics for 25 years so I can say that you are the best teacher !!!!

juriedekock
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You know things are going to get crazy when there's five colors on the board

jamesf
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Me: Aww man I broke the ice in my Koenigsegg, gonna be swapping it this weekend
Friend: You can borrow my engine hoist if you need it
Me: No need I'll just deadlift it

ZeeTheG_
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Even by hypercar standards, this engine is amazing. Koenigsegg has achieved some awesome things, and these results are definitely not easily achievable by other hypercar manufacturers.

rantanen
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How much torque?

Koenigsegg: All of it.

grimreaper
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Media interviewer: "So mister Koenigsegg how much horsepower can we expect from the upcoming car?"

Christian Von Koenigsegg: *YES*

bartsomerson
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I've watched most of your videos Jason and I think you might have baited me into going for a mechanical engineering degree. So I'll go to university probably this October, mostly because of you. You made me passionate about the mechanics of anything car related and I thank you for that.

jarekpszuk
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Never mind the car, we need that in a motorcycle!

KTM, one engine with wheels and a handlebar, please!

JohnSmith-zejm