Jun 26, 2013, 9:00 AM EST
Renault were at the forefront of F1’s last turbo era, leading the way by introducing a 1.5-litre turbocharged engine in 1977 at a time when all the other teams were using normally-aspirated power units.
Within a few years F1 had tapped the enormous power of turbocharged engines and Renault won a string of races, although they failed to clinch a championship.
Turbo power was outlawed at the end of 1988 but will return to F1 next year. Renault’s director of testing and development Jean-Pierre Menrath, who worked on the original Renault turbos of 1977, explained how the technology has moved on since then:
“The major difference, of course, and the major technological development on the new engine, is in the electronics,” he said. “We started developing a turbocharged engine with distributors and igniters, which are no longer in use today. The fuel injection system had no electronics.”
“And in terms of design, the modern simulation tools didn’t exist back then, nor did all the computer systems and software used to design the engines more effectively and track their performance more accurately.
“There was no telemetry, no data acquisition. For the record, the driver could alter the booster pressure. Our “telltale” was a dial with a needle that was stuck pointing up. So, at the end of the day, the level of monitoring was somewhat limited.
“Nowadays, engine technology is a lot more effective. We’re very close to the complex systems used in aerospace.”
Towards the end of the development of the old turbo engines Renault saw some astronomical power outputs: “We went from 520/530bhp in 1979 to over 1,000bhp in the space of five years!”
“At the end of 1986, we even had a test engine that was capable of developing up to 1,200bhp thanks to the use of new turbochargers, with a new design. At the outset, they were intended to be used at altitude and in the end, at sea level, they produced exceptional performances. Unfortunately, the engine only lasted three laps!”
Renault anticipate next year’s engine, dubbed F1 Energy, will produce around 600bhp with a further 160bhp coming from the electrical energy recovery systems.
Nov 28, 2014, 2:00 PM EST
The end of the WEC season occurs this weekend in Brazil.
Nov 28, 2014, 1:45 PM EST
We take a look back at some of the biggest stories in Formula 1 this year.
Nov 28, 2014, 1:30 PM EST
Rico Abreu locks up USAC Honda Midget Series title with fifth-place finish in Thanksgiving classic.
Nov 28, 2014, 1:00 PM EST
Alonso proved once again in 2014 that he has ability exceeding that of the Ferrari car, but even he couldn’t make up for the shortcomings of the F14 T.
Nov 28, 2014, 12:11 PM EST
Spanish driver to race alongside Max Verstappen in 2015, stepping up to make his F1 debut.
Nov 28, 2014, 12:00 PM EST
Red Bull may have been underdogs after winter testing, but few could have predicted Sebastian Vettel’s bid for a fifth world title being as weak as it was.
Nov 28, 2014, 11:00 AM EST
After a difficult rookie season, Bottas’ sophomore year in F1 brought far more success, marking the Finn as a possible champion in the future.
Nov 28, 2014, 10:30 AM EST
Kvyat will replace Sebastian Vettel at Red Bull next year.
Nov 28, 2014, 10:15 AM EST
Nico Hulkenberg and Porsche: a win for both the WEC and F1 in a rare moment of motorsport unity for the common good.
Nov 28, 2014, 10:00 AM EST
What a year it was for Daniel Ricciardo in his first season at Red Bull.
Nov 28, 2014, 9:30 AM EST
Talks about a new contract with Mercedes should be brought forwards after title win.
Nov 28, 2014, 9:00 AM EST
A worthy title contender, Nico Rosberg enjoyed his most successful season to date in 2014.
Nov 28, 2014, 8:00 AM EST
2014 saw the Briton become a two-time F1 world champion, winning 11 races.
Nov 28, 2014, 7:00 AM EST
A new regime will come into force at Maranello next season following a disappointing campaign in 2014.
Nov 28, 2014, 6:00 AM EST
British racer will remain with Williams for 2015 after becoming the first woman to take part in a grand prix weekend session in 22 years over the summer.
Nov 27, 2014, 8:46 PM EST
NHRA team owner Don Schumacher underwent surgery Wednesday for early-stage skin cancer.
Nov 27, 2014, 8:04 PM EST
NASCAR star Kyle Busch and wife Samantha dropped a very big hint that their first child may be a boy.
Nov 27, 2014, 7:28 PM EST
IndyCar driver Graham Rahal and NHRA driver Courtney Force announced their engagement Thursday in Venice, Italy.
Nov 27, 2014, 5:57 PM EST
Police continue to investigate the cause of death of Theresa Benn, who had been missing more than a month before her body was found last week near Talladega Superspeedway.
MST exclusive: BK Racing co-owner Anthony Marlowe apologizes for Cole Whitt/David Ragan tweet controversy
Nov 27, 2014, 3:23 PM EST
BK Racing minority owner Anthony Marlowe offers a public apology to MotorSportsTalk on his inadvertent tweet of Cole Whitt replacing David Ragan in the No. 34 car for 2015.
Video from NASCAR America
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- Toro Rosso confirms Carlos Sainz Jr. for 2015 F1 season 1
- F1 2014 Driver Review: Lewis Hamilton 0
- IndyCar’s Graham Rahal, NHRA’s Courtney Force engaged 11
- Police seek cause of death of race fan found near Talladega 0
- MST exclusive: BK Racing co-owner Anthony Marlowe apologizes for Cole Whitt/David Ragan tweet controversy 0
- What we’re thankful for in the motorsports world, 2014 2