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Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.

Nissan ZEOD RC completes 24 laps at Le Mans

Well, that's a nice start. Nissan says a test version of its ZEOD RC racecar has completed its first 24 laps at Le Mans in France. And, aside from two "small technical issues," things went swimmingly. The ZEOD (which stands for "zero emissions on demand") RC pairs a 1.5-liter, three-cylinder engine with a couple of electric motors and includes regenerative braking. The Japanese automaker first started testing the vehicle last fall. The first ZEOD prototype was unveiled at Le Mans last summer. Driven by Wolfgang Reip and Tommy Erdos, the test-version ZEOD suffered from a broken fuel pump and faulty exhaust, but still completed "large sections" of the circuit on electric power alone, so Nissan is gonna call the test run a success. The goal, of course, is to complete a single, 8.5-mile lap at Le Mans purely on electric power. Nissan will test the real version of the ZEOD this week in the UK. Satoshi Motoyama and Lucas Ordonez will drive with Reip at the actual Le Mans race. Check out Nissan's press release below, and take a look (you can cringe a bit if you want) at a really cool crash-test video of the car from last month here. Nissan ZEOD RC on track at Le Mans for the first time SILVERSTONE, UK & LE MANS, FRANCE – The Nissan ZEOD RC completed its first 24 laps of Circuit de la Sarthe with GT Academy winner Wolfgang Reip and two-time Le Mans P2 winner Tommy Erdos at the wheel. While the car was delayed with two small technical issues – a broken fuel pump issue and a broken exhaust – today's test was an important step in the development of the car that aims to complete an entire lap of Le Mans on pure electric power. "Today has been a very important step in the development of the car and what we have achieved is actually quite remarkable," said NISMO's Global Head of Brand, Marketing & Sales, Darren Cox. "We knew we were tackling a huge challenge with the goal of building a car that could complete an entire 8.5 mile lap of Le Mans on nothing but electric power. We have certainly discovered why nobody has tackled it previously. "We completed large sections of the circuit today on EV power and learned a great deal," Cox continued. "Today was about testing the systems and ensuring the transition from electric to internal combustion power was seamless. Testing at other venues is extremely valuable but there is no substitute to running here at Le Mans.

Lebanon gets Interpol fugitive notice for Carlos Ghosn as escape details emerge

BEIRUT — Lebanon's justice minister said Thursday that Lebanon has received an international wanted notice from Interpol for NissanÂ’s ex-chair Carlos Ghosn, four days after he fled Japan to Lebanon before a trial on financial misconduct charges. Albert Serhan told The Associated Press in an interview that the Red Notice for the former automotive titan was received earlier Thursday by the prosecution. Ghosn skipped bail before his much-anticipated trial, which was to start in April. He arrived in Lebanon, where he was raised after moving from Brazil as a young boy, on Monday via Turkey and hasn't been seen in public since. Authorities have said that he entered legally on a French passport. A plane carrying Ghosn arrived at 5:30 a.m. (0230 GMT) Monday at IstanbulÂ’s Ataturk Airport, Hurriyet reported, adding that prosecutors ordered the arrests after widening their investigation. Flight tracking data from that time suggests that Ghosn used two different planes to fly into Istanbul and then on to Lebanon. Japanese authorities allowed Ghosn to carry a spare French passport in a locked case while out on bail, public broadcaster NHK said on Thursday, shedding some light on how he managed his escape to Lebanon. While some Lebanese media have floated a Houdini-like account of Ghosn being packed in a wooden container for musical instruments after a private concert in his home, his wife called the account “fiction” when contacted by Reuters. She declined to provide details of the exit of one of the most recognized titans of industry. The accounts of the two sources suggest a carefully planned escape known only to a few. They said a private security firm oversaw the plan, which involved shuttling Ghosn out via a private jet to Istanbul before pushing onward to Beirut, with even the pilot unaware of GhosnÂ’s presence on board. InterpolÂ’s so-called Red Notices are requests to law enforcement agencies worldwide that they locate and provisionally arrest a wanted fugitive. Serhan, the minister, said the Lebanese prosecution “will carry out its duties,” suggesting for the first time that Ghosn may be brought in for questioning. But he said that Lebanon and Japan do not have an extradition treaty, ruling out the possibility that Beirut would hand Ghosn over to Japan One sources who spoke with Reuters said Ghosn was greeted warmly by President Michel Aoun on Monday after flying into Beirut via Istanbul and was now in a buoyant and combative mood and felt secure.