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.
Dec 17, 2014, 8:47 PM EST
NASCAR revealed the 2015 schedules for the Whelen Modified Tour and its Southwest Modified Tour, including a first-time visit at the legendary Hickory (NC) Motor Speedway.
Dec 17, 2014, 7:23 PM EST
Do you like watching old racing videos and programs from the past? If so, you’re going to love this BBC video about NHRA drag racing from back in 1990.
Dec 17, 2014, 6:38 PM EST
Kurt Busch got the chance to tell his side in the legal battle with former girlfriend Patricia Driscoll. We break down what Kurt said in court on NASCAR America.
Dec 17, 2014, 5:16 PM EST
Kurt Busch testified Wednesday he asked former girlfriend Patricia Driscoll numerous times to leave his motorcoach on the night she claims the NASCAR driver struck her head several times.
Dec 17, 2014, 3:03 PM EST
The race to the finish line of Phase 1 of Daytona Rising at Daytona International Speedway kicked into high gear Wednesday, with a record 1,002 construction workers on-site.
Dec 17, 2014, 3:00 PM EST
Porsche Mobil 1 Supercup’s status grew in 2014. We caught up with the series manager during Austin F1 weekend.
Dec 17, 2014, 2:00 PM EST
Ferrari mass exodus continues.
Dec 17, 2014, 1:30 PM EST
At least two IndyCar stars will join the Rolex 24 lineup, but teams are TBD.
Dec 17, 2014, 1:23 PM EST
Ben Kennedy, the great-grandson of NASCAR founder Bill France Sr. and 2014 Camping World Truck Series Rookie of the Year, will race for Red Horse Racing in 2015, the team announced Wednesday.
Dec 17, 2014, 12:46 PM EST
As we continue our series on the top 30 drivers of the 2014 NASCAR Sprint Cup Series, next up is series veteran Greg Biffle.
Dec 17, 2014, 12:10 PM EST
James Hinchcliffe tests Tuesday at Sebring with Schmidt Peterson.
Dec 17, 2014, 12:00 PM EST
Crafton made history in the NASCAR Camping World Truck Series this year as its first back-to-back champion.
Dec 17, 2014, 11:00 AM EST
Allmendinger propelled his single-car team into the Chase with a win at Watkins Glen.
Dec 17, 2014, 10:32 AM EST
We’ve all been there, Jimmie. We’ve all been there.
Dec 17, 2014, 9:00 AM EST
No drivers, but DCR’s shock/damper program should be good in 2015.
Dec 16, 2014, 8:04 PM EST
It’s not an ideal situation for NASCAR, but as the NASCAR AMERICA gang explained today, it’s not a hopeless one either.
Dec 16, 2014, 7:14 PM EST
Patricia Driscoll broke down on the stand during the hearing in Dover, Delaware.
Dec 16, 2014, 5:30 PM EST
A two-day website auction on the assets of the former F1 outfit began today.
Dec 16, 2014, 4:44 PM EST
Scott Hargrove to test for 8Star’s Indy Lights team.
Dec 16, 2014, 4:30 PM EST
Coming up: What will Sprint’s departure in 2016 mean for NASCAR’s future?; Steve Letarte revisits his final race as a crew chief; more on the health of Brian Vickers; the inspiring story of the NHRA’s Jay Blake.
Video from NASCAR America
- Kurt Busch calls ex-girlfriend’s allegations a ‘fabrication’ 6
- Fry, Tombazis out as part of Ferrari’s ongoing restructuring 1
- Sprint to end title sponsorship of NASCAR’s Cup Series after 2016 (VIDEO) 17
- NBC SportsWorld: The vision of blind NHRA crew chief Jay Blake 1
- Rutledge Wood joins NBC Sports Group’s NASCAR and motors coverage 6
- NASCAR expands Sprint Unlimited field to include Chase drivers 3
- Health issues to sideline Brian Vickers for early part of 2015 Sprint Cup season 5