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The weather put the cat among the pigeons at Brno on Friday. Hot weather, track temperatures of over 50°C and a bumpy track pushed the riders and their tires to the limit, and the afternoon session of MotoGP turned into a proper crashfest.

Valentino Rossi was the first to go down, followed a second later by Dani Pedrosa, but what caused those two to crash had nothing to do with the weather conditions.

A leaking fork seal dribbled oil onto Dani Pedrosa’s brakes, causing a mist of oily smoke to trail behind Pedrosa, onto the rear wheel of his Honda RC213V and the front wheel of Valentino Rossi’s Yamaha M1. Rossi lost the front and crashed at Turn 13, Pedrosa was highsided off his bike at Turn 14.

Rossi walked away unhurt, Pedrosa slammed his left foot into the ground, aggravating an old injury suffered in Australia in 2003.

It was a hectic trip across the Atlantic for many in the MotoGP paddock. The air at Brno was thick with tales of airport-based woe, of overbooked flights, bad weather delays, missed transfers, and lost luggage.

Despite the supposed privilege of platinum frequent flyer status – one of the side benefits of working for a MotoGP team is you rack up a lot of air miles – the staff of one MotoGP team were stuck in one airport for over 24 hours, thrown out of the airport lounge and unable to leave.

Chicago O’Hare was temporarily transformed into the motorcycle racing equivalent of purgatory: large numbers of riders, mechanics, and other staff kicking their heels with nothing to do.

That is especially tough on riders: most of them suffer from some form of hyperactivity or another. Few can sit still, and most are very outdoor types. L’enfer, c’est les aéroports, if you will forgive me paraphrasing Sartre.

But there was an overwhelming sense of contentment at being in Brno. The track is much loved, even among those who do not go particularly well here. It is wide, fast, and flowing, and allows the riders to play with the lines. Dani Pedrosa, who has won here twice in MotoGP, explained why he liked the track.

“It’s wide, and the corners are with a nice shape, so you can be precise,” Pedrosa told us. “It’s a track that demands that you are precise, and I like this. Also, you can try many things, one centimeter more out, one centimeter more in, later, deeper, or earlier. This gives you a gain to be able to adjust your riding lap by lap, and some tracks are just one line and one pace and you cannot change. Here you can play a little bit more and that’s positive. I like it.”

The Sachsenring treated us to its usual surprises on Thursday, with rain and squally winds blowing through the paddock in the morning, and the sun coming out as the day went on.

Fortunately, the only people out on track were the riders doing reconnaissance laps on the scooters, and safety officers cutting fast laps during their usual pre-weekend track inspection.

As an observer, it is hard to tell the difference between a circuit safety inspection and hooning round the track in one of the many high-end BMW sports cars that the German car-maker provides to Dorna, but I’m sure that as ex-racers, both Loris Capirossi and Franco Uncini know what they are doing.

Weird weather has already had its effect on the tire allocation. Originally, Bridgestone had brought three specifications of front tire, the soft to deal with the cold mornings, the medium to deal with the warmer afternoons, and the asymmetric tire with soft rubber on the right and a compound closer to the medium on the left, to handle the wind gusting to cool the right side of the tire.

Jeremy Burgess was famous for finding that special something on Sunday morning that gave Valentino Rossi the edge in the race in the afternoon. It is a tradition carried on by Silvano Galbusera, who has replaced Burgess since the start of the 2014 season.

Galbusera, too, always seems to find that extra little tweak during warm-up that makes the difference between cruising in fourth or finishing on the podium, and even on the top step.

The fact that it has continued since Burgess’ departure suggests that the tweaks were very much a collaborative effort, with input coming from his data engineers and mechanics, as well as the rider himself, of course.

Two weeks ago in Barcelona, Rossi’s team appear to have found something extra special. For it did not just work on the Sunday in Catalonia, taking Rossi from the third row all the way up to 2nd, but it has even carried through to Assen, some 1600km further north.

If the Honda is so bad, why are two RC213Vs at the top of the timesheets? That seems like a very valid question, given the public struggles that all of the Honda riders have had with the bike this year. Has the 2014 chassis finally fixed the Honda’s ailments? Is Márquez back?

If only it were that simple. Firstly, of course, Marc Márquez never went away. The double world champion still possesses a gargantuan talent, and the desire and will to use it. He was hampered by many aspects of the 2015 bike, including both the engine and the chassis.

The 2015 chassis, he explained at Assen, was more precise and could be used more accurately. Unfortunately, the only way to get the best out of it was to ride it like every lap was a qualifying lap. That level of intensity is just not sustainable over race distance.

At some point, you will make a mistake, and the 2015 chassis punishes mistakes mercilessly. So HRC have reverted to a hybrid version, using a 2014 chassis and the new swingarm which Márquez first tested at Le Mans.

What did we learn from Friday practice at Barcelona? We learned that things are not quite what they seem. Does the fact that the Repsol Honda riders are second and third overall mean that HRC’s travails are behind it? Certainly not.

Do the two Suzukis in the top five – and Aleix Espargaro setting the fastest overall time – mean Suzuki have found the horsepower to match the Honda and Ducati? Absolutely not.

Will the Yamaha’s lowly positions on the grid put them out of contention on Sunday? Leaving aside the fact that it’s just the first day of practice, with another full day on Saturday, definitely, absolutely, certainly not.

Are all these assumptions completely baseless? That’s where it gets interesting. In fact, there is a kernel of truth underlying them all.

On the day after the Italian Grand Prix, the MotoGP riders were back testing at Mugello. This time, however, it was only the factory riders who remained, to give the Michelin tires another run out.

The last time they took to the track on the Michelins was at Sepang, and Michelin had brought the latest iteration of their tires to test.

Due to the commercial sensitivities involved, there was no official timing, and the riders were not allowed to speak to the media about the test.

Unsurprisingly: Bridgestone holds the single-tire contract for the 2015 season, having spent a lot of money for the privilege, so they do not want Michelin stealing their PR thunder.

Nor do Michelin really want to be subject the intense scrutiny which official timing would impose while they are still in the middle of their development program.

That does not mean that the small band of journalists who stayed at the test did not learn anything, however.

Jerez is always a very special weekend. When Valentino Rossi described the first race back in Europe using those words, he spoke for everyone in the MotoGP paddock.

Everyone loves being back in Europe, because the atmosphere changes, the hospitality units fill the paddock, the catering staff, hospitality managers, runners, cleaners, general dogsbodies – in other words, the people who actually do any real work – return to fill the paddock, and old friends are reunited after a long winter away, often doing something else to subsidize the meager pay they take for the privilege of working in Grand Prix during the summer.

The paddock becomes a village once again, awaking from the long winter slumber. The setting helps.

The charming old city of Jerez is showing the first shoots of economic recovery, not yet enough to match the full bloom of spring happening on the surrounding hillsides, the slopes covered with wild flowers, but there is a much more positive vibe than there has been for some years.

There is a sense of optimism. That sense of optimism flows into the paddock, already buzzing after a sizzling and surprising start to the 2015 MotoGP season.

With over 100,000 people expected to pack the stands on Sunday, Jerez feels like the right way to kick off the long European leg of the championship.

A Ducati on pole? Three Ducatis on the first two rows? Four Ducatis in the top ten? Cheater tire! The only logical explanation for the grid positions the factory and Pramac Ducati secured at Qatar is the fact they have the special soft tire available to them.

And that tire, we are told by everyone who is not on a Ducati, is worth a second a lap. So the grid positions of the Ducati are a travesty, right? Come the race, they’ll be rolling road blocks holding up the rest once their tires go off, right? Wrong.

This narrative, current among everyone who sees their favorite rider further down the grid than they had hoped for, bears only a very passing resemblance to the truth.

“It’s just nuts to be separated by one second over the 5 km around this place.” It is hard to argue with Eugene Laverty’s assessment of just how close the times are after free practice for MotoGP. Laverty is either really close to Marc Márquez, or a long way behind Marc Márquez, depending on how you measure it.

The Irishman had a solid day of practice to come up just over a second shy of Márquez’s best time on Friday evening. His problem is that as impressive as his time was, there are eighteen riders ahead of him.

It is, quite frankly, ridiculously close. “I don’t know when was the last time you saw down to 21st was inside 1.3 seconds,” Jack Miller said in awe. “It’s almost like we’re in Moto3 again.”

The closeness of the field was a frustration for everyone on the grid. Miller, Scott Redding, Nicky Hayden, even Valentino Rossi cannot believe how tough the field is. “This practice is unbelievable, because there are ten bikes in three tenths!”

That does not make it any easier to pick a winner, however. Marc Márquez is the least troubled of the riders on the grid, fast both in race trim and on a single lap.

When the flag drops, the speculation stops. Though usually, a rather more forthright word is used instead of speculation.

After the long winter of testing, of trying to assess who was trying what on which lap to try to compare lap times, MotoGP is underway for real. Everyone on track is looking for race pace, and a fast lap to ensure they get into Q2. It is a whole lot easier to comprehend, and infinitely more thrilling.

Conditions had not looked promising ahead of practice. Strong winds blew down the front straight in the late afternoon, raising fears that they would coat the circuit in dust and sand.

Then shortly before the action was due to kick off, a few drops of rain started falling, threatening to at least delay proceedings should it continue. But the wind dropped and the rain stopped, and the 2015 MotoGP season got underway as planned.

Fears about the track were unfounded, lap times quickly heading towards something resembling race pace.