Mercedes on verge of 1000bhp Formula 1 engine

Lewis Hamilton

Mercedes is close to building a Formula 1 engine with 1000bhp says its engine boss Andy Cowell.

Cowell claims that Mercedes broke 900bhp last year and is now on the verge of hitting four figures from its power unit.

“We’re close,” Cowell told Autosport. “I’m sure that’ll happen at some point.”

Mercedes is planning an all-new engine for next season, which will be the fifth year of the current regulations, as it looks to extend its championship-winning streak to five.

This year, its engine hit a landmark achievement on the dyno when it broke the 50 percent thermal efficiency barrier for the first time.

The manufacturer’s progress is thought to have made its M08 EQ Power+ the most efficient racing engine ever.

Thermal efficiency, which is calculated on the amount of useful energy that can be produced from a given amount of heat input, has become a key focus for modern engine builders.

In F1, it is particularly important because of the strict fuel-flow limit rate of 100kg/hour.

When asked how long it will take until 50 percent thermal efficiency is transferred from the dyno to the track, Cowell said: “It’s an answer for the early part of the next year.

“We need to see how the power unit development goes through the winter and our prove-out goes through the winter, and it’s a balance with the car as well.

“There are engines running on the dyno – that’s one thing.

“When you go to total car lap time, that’s the bit where there’s work being done to improve the technology on the car to enhance both aerodynamic and power unit performance.

“Let’s see how it all works out.”

Mercedes’ first turbo-hybrid engine, introduced in 2014, had an efficiency rate of 44%.

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