How to Build a Car. Adrian Newey. Читать онлайн. Newlib. NEWLIB.NET

Автор: Adrian Newey
Издательство: HarperCollins
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Жанр произведения: Биографии и Мемуары
Год издания: 0
isbn: 9780008196813
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by the time the race began we had already been up for the best part of 48 hours – not ideal preparation for a 24-hour race, but we didn’t expect the car to run for too long.

      It began. Now, in those days, you didn’t have a televised timing system. Instead the teams relied on wives and girlfriends to write down car numbers as they passed the pits and hence keep a lap check. The good ones were amazing. Unfortunately, the girls we had weren’t the good ones, and by an hour into the race we had no idea of our standing.

      Not that I was too worried. My goal was simply to keep running for as long as possible at a pace that didn’t massively stress the engine, gearbox, brakes and so forth, to keep Randy Lanier in it as much as possible and Terry Wolters out of it during the night, because he couldn’t see.

      I’d never done anything like it before. Of course I’d race engineered for Johnny, but I hadn’t run a car to the extent that I was making all the strategy decisions in a long race. Formula Two races were short sprint events. Add to that the fact that I was really tired.

      About four hours in, I was helping Randy get out of the car and Terry get in. Because Randy was shorter, he had a seat insert that I yanked out of the car ready for Terry. I yanked it too hard, it left my grasp, took off like a Frisbee and landed on the roof of the pit building. I spent about 10 minutes after the pit-stop clambering up rather precariously to retrieve the spacer and get it ready for Marty, who was up next.

      Later, around midnight, with the car running well, I staggered exhaustedly to the loo. Daytona, like Indianapolis, has a vertical tower showing all the car positions, and as I passed on my way to the toilet block, I glanced up to see that P1 was car 88.

      It didn’t sink in at first. I was swaying in front of the urinal when suddenly it hit me: 88shit, that’s us. We’re leading.

      Hot-footing it back to the pit lane I found I wasn’t mistaken. We had taken the lead at around the 12-hour mark. All the other cars were having problems, but we’d just kept pounding around, and it was only with about an hour to go that the heavens opened and our engine started misfiring, which cost us time. Without that we might have won, but as it was we finished second – second in the 1983 24 Hours of Daytona race. Quite a result.

      I nearly lost my chance to celebrate the result. Absolutely knackered, but elated, we finally left the circuit in the hire car, which was a Chevy of some description. Ray, the mechanic, was driving and we headed back to the hotel with me asleep in the front and the other Englishman asleep in the back. But, like Chevy Chase in National Lampoon’s Vacation, Ray fell asleep too. We were at the traffic lights. His foot must have come off the brake in drive, resulting in the car rolling forward into the middle of the intersection where it was T-boned by another car. As awakenings go it was scary, the car spinning, glass flying everywhere.

      We lived. No broken bones. And it was certainly a memorable weekend. The result did not go unnoticed by Robin Herd, who immediately saw the sales potential, leading him to giving me a budget to develop it further.

      Enter Al Holbert. An American driver who’d had a lot of success in minor categories, Al was connected with Porsche, and what he wanted was a Porsche engine in the March chassis instead of the Chevy.

      In the meantime, Al wanted to compete at the second race of the IMSA season, the Grand Prix of Miami on 27 February and less than a month away. So as a stopgap while we started work on the Porsche installation, he ordered a second Chevy-engined car from Robin.

      By now we had funds for wind tunnel research and were able to take a suitably updated version of Sardous’ original 25 per cent scale model to the Southampton tunnel in order to develop a high-downforce kit for the car (where I was pleased to see that my original ‘aero-by-eye’ approach did not feature any howling mistakes). With those changes made, Al Holbert took the modified car and won easily at Miami.

      Meantime, we were working at installing the Porsche engine, which was no easy task. The March chassis was not designed to accept a turbocharged engine and was conceived around a normally aspirated V8 Chevrolet. We now had to put a flat six turbocharged Porsche engine complete with gearbox into it. The difference is that a normally aspirated engine draws air from the surrounding atmosphere without any additional pressurisation of that incoming air. The vast majority of petrol-engine road cars are normally aspirated. A turbocharged engine, on the other hand, uses a device to compress the air coming into the engine, making it denser. This denser air is then mixed with a correspondingly increased amount of fuel to give more chemical energy to the charge in the combustion chamber when the spark plug ignites it. For instance, if the turbocharger boosts the charge air to two times atmospheric pressure then the engine will give approximately twice the power of a normally aspirated engine.

      So, I went over to Porsche to discuss the installation, but they were very unhelpful and wouldn’t give us any drawings or advice – nothing. Al got an engine and gearbox unit sent to March, so we carefully measured it up and created our own drawings of it, then redesigned the back of the chassis and the rear suspension to suit.

      By May it was ready and flown straight to Charlotte, a racetrack in North Carolina for two days of testing, and then its first race. I flew out with it and met Al and his team for the first time.

      Charlotte in the summer is a hot dustbowl of a place and initial testing immediately revealed an Achilles’ heel in the installation: the charge air cooler, which cools the very hot air exiting the turbo compressor, was not doing its job. The ducting I had designed was clearly not working, with the result that the charge air entering the engine was way above Porsche’s limit, causing concerns over reliability and costing us power.

      For qualifying, Al turned up the boost for one lap and took a gratifying pole, but we all knew the race would expose us. In the event, Al drove brilliantly, keeping the boost as low as he could while maintaining just enough pace to lead from flag to flag.

      Post-race, Al invited me back to stay at his house and use his workshops (next to his Porsche dealership in Philadelphia) in order to find a solution.

      During the wind tunnel tests we had done a run with the model painted in Flow Vis paint. This is a solution made from a fluorescent powder (originally used to track water flow in sewers) mixed into a witch’s brew of paraffin and oil. When the wind blows over this, it forms streaks, with the paraffin evaporating to reveal patterns that indicate the direction and strength of the air flow over the body surface. Fortunately I had brought with me the photographs from the test and, looking carefully again, I noticed that the flow on the sides of the body (where I had positioned the duct inlet) looked weak while that on the top of the engine cover behind the roof looked strong.

      So, working with Al’s mechanics, we cut out the back of the roof and engine cover and created a new set of ducting to feed the cooler from above (instead of below). It was a little risky, as the time to the next race, at Lime Rock, was short, and we had no spare roof of the original design, so it was a one-way ticket as far as the next race was concerned.

      Lime Rock is a tight, bumpy little track set in picturesque woodlands in Connecticut, not quite as hot as Charlotte but the slow tight nature would make it every bit as demanding on charge air cooling requirements. So it was quite some relief that not only were we straightaway the pacesetters in first practice but also the charge temperature was now well within Porsche’s limits. The car ran like clockwork all weekend and Al duly took pole.

      Al went on to win every remaining race of the season and hence the championship, an amazing year from a humble start.

      Our championship win drew to a close that chapter of my career, as Al moved to IndyCar for the following season. However, a tragic postscript is that he died in 1988. He was piloting his Piper aircraft in Ohio and had just taken off when a door came open and the plane started behaving erratically. Rather heroically, Al managed to steer the Piper away from some houses, no doubt saving many lives before it crashed, killing him instantly. He was just 41.

      I was devastated to hear of it. Al was a good friend and a great driver, and to live that month in America as his guest and travel the country with him was a tremendous experience. For that, and for his being so good to me, I’m eternally grateful.

      It’s