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The disadvantage of reporting on your home race is that during the media debriefs, the period when riders speak to the press, they turn to you and ask, “So what’s the weather going to do?”

Living in The Netherlands, Assen is my home race, and so this weekend, it is me they are asking about the weather. There is only one honest answer I can give them. “This is Assen. Anything can happen.”

The weather has been a constant topic of discussion. Weather apps and weather websites have been compared, and each of them says something different. Some say it will only rain heavily on Sunday. Others say Sunday will be dry, and the rain will fall on Saturday.

Check another site, and it says rain overnight, but only heavy clouds during the day, with the risk of rain at a minimum. Which site to believe? This is Assen. Anything can happen.

There was a sense of nervousness in both FP1 and FP2 for the MotoGP class. Riders pushed late to chase a lap good enough to put them into the top ten, and automatic entry into Q2.

Some, like Bradley Smith, got their strategy wrong, went out on a hard rear tire instead of a medium, and ended up languishing down the order. Others, like Dani Pedrosa, were just having a dismal time. “No improvement from FP1 to FP2, no improvement on different tires, and no feeling with the bike.”

For sheer, stunning beauty, it is hard to beat Mugello. ‘Nestling in the Tuscan hills’ is an overused cliché precisely because it is so very true.

The Mugello circuit runs along both sides of a beautiful Tuscan valley, swooping up and down the hillsides as it flows along the natural contours of the land. Like Phillip Island, and like Assen once was, it is a truly natural circuit.

It does not feel designed, it feels as if it was left there by the raw overwhelming natural forces which hewed the landscape from the limestone mountains, discovered by a man with a passion for speed, who then proceeded to lay asphalt where the hand of nature dictated.

It is fast, flowing and challenging. It demands every ounce of speed from a bike, and courage from a rider. It lacks any really tight corners, keeping hard acceleration in low gears to a minimum. Corners flow together in a natural progression, with a long series of left-right and right-left combination corners.

The riders call them chicanes, which they are only in the very strictest sense of the word. In reality, they are way, way too fast to be what fans call chicanes, more like high-speed changes of direction.

What they do is allow riders to line up a pass through one part of a turn, and the rider being passed to counter attack through the second part of the corner. That makes for great racing.

They say that there are only two certainties in life: death and taxes. There are also two certainties in MotoGP so far this year: at every race, Michelin will introduce yet another new tire, and the Ducati Desmosedici GP will sprout a new set of wings.

For Le Mans, Michelin brought a new rear tire, with a slightly softer construction but identical compounds, to try to generate a little more grip and address rider complaints about the rear spinning without creating drive, even in high gears.

The new wings on the Ducati were much larger than the previous versions, to perhaps address the need for drive out of the many first gear corners at Le Mans.

Michelin bringing yet another tire to another race may sound like they are still flailing around, but in reality, it is a sign that the French tire maker is starting to settle on a development direction, after their plans had been sent astray by the double Ducati disasters of Loris Baz and Scott Redding.

The rear tire raced at Austin and Jerez was the so-called “safety tire”, a construction Michelin was certain would make race distance without any nasty surprises. It was raced without any real testing, meant only as a back up, not seriously intended for competition.

The test on Monday at Jerez was probably the most important test of the year so far. A chance to test the day after a race, in similar conditions, and with ideas born of the data from the first four races of 2016 to try out.

There really was a lot to test: not just parts and setup, but also three new front tires from Michelin, as well as further work on the “safety” rear tire introduced after Argentina.

First out of the pits was Bradley Smith, determined to turn his tough start to the season around. Last on to the track was Valentino Rossi, rolling out of pit lane some time after 2pm.

Celebrations of his astounding victory at Sunday’s race must have been intense: the Italian was very hoarse when he spoke to us at the end of the day.

A major focus for all of the riders was on tires. Michelin had brought three new front tires to test, and the riders also had the remainder of their allocation from the weekend to use.

There was nothing new at the rear, but given how little experience they had with the construction introduced after Scott Redding’s rear tire delaminated in Argentina, there was much still to be learned.

Bradley Smith had described it as “a prototype”. The tire had done a handful of test laps, and then two races. It had created problems for everyone at Jerez on Sunday, and so much work was focused on finding more rear grip.

Winglets are to be made compulsory in MotoGP from 2017, we can exclusively reveal, using a spec design to be implemented much along the lines of the current unified software introduced this year in the premier class.

The decision was taken in response to concerns over costs spiraling out of control should all of the factories become engaged in a winglet war.

The marginal gains to be had from increased spending on CFD computer modeling and wind tunnel work were a red flag for Dorna, who have spent the last seven seasons since the start of the Global Financial Crisis tweaking the rules to reduce costs and raise grid numbers.

With the grid now healthy, and set to rise to 24 in 2017, Dorna and the FIM feared all their hard work could be undone, and teams would once again be forced out of racing by rising costs.

Both MotoGP and World Superbike have contests this weekend, so we grabbed David and Steve and had them preview both races for Episode 22 of the Paddock Pass Podcast.

After wrapping up thoughts on the MotoGP season-opener in Qatar, the guys go into a lengthy discussion about winglets, focusing on how aerodynamics play a role in motorcycle racing, and why the Grand Prix Commission is banning them in Moto2 & Moto3.

The boys also talk about the prospects of Ducati, both in Argentina and in Aragon, with both rounds likely to be strong showings for the Italian factory. There’s also a good discussion as to why Casey Stoner will not be racing this weekend, though maybe we’ll see him later this season.

Lastly, Steve shows us that he has his finger on the pulse of the World Superbike paddock, and tells us what to expect in Spain at the Aragon WSBK round. You won’t want to watch this weekend’s racing without first listening to this show.

As always, be sure to follow the Paddock Pass Podcast on FacebookTwitter and subscribe to the show on iTunes and SoundCloud – we even have an RSS feed for you. If you like the show, we would really appreciate you giving it a review on iTunes. Thanks for listening!

The War on Wings continues. At Qatar, the Grand Prix Commission agreed to ban winglets in the Moto2 and Moto3.

The aerodynamic devices are banned immediately in Moto2, while they will be banned in Moto3 from 2017 onward, as Mahindra have already fitted small winglets to their Moto3 machine to be used at some races this season.

However, the ban on winglets for 2017 should stop development of them immediately.

The ban has no effect on MotoGP, however. There are powerful moves to try to ban the winglets in MotoGP, but they face resistance from the manufacturers.

This is because one of the conditions under which the factories accepted the switch to the common software was that the technical regulations would remain stable for the coming five years, the usual time period for technical regulations to last.

However, the appearance of winglets and strakes on the MotoGP bikes has triggered fears of a spending war on aerodynamics between the factories.

With major changes to the technical regulations for MotoGP in 2016, it has taken some time for the FIM to produce a new and revised version of the rulebook.

The first provisional version was made available today, the new rules bringing together all of the new rules agreed over the past few years into a single set of regulations.

Most of the new rules have already been written about during the year, but putting them into a single rulebook helped clarify them greatly.

The biggest changes are to the technical regulations. The abolition of the Open class means everyone is back on a single set of rules. Or rather, nearly everyone.

There are still two types of manufacturers: manufacturers subject to the standard rules, and manufacturers who have not yet had sufficient success, and therefore have been granted a number of concessions.

Those concessions are more limited than the Open class, though, and relate now only to testing and to engine development. Everyone will have the same amount of fuel, the same tire allocation, and everyone will use the same electronics, the spec hardware and the unified software.

Though many fans are disappointed that there isn’t just a single set of rules, the concessions which remain are absolutely vital to the long-term health of the series.

With Honda, Yamaha, and since last year, Ducati, all subject to a freeze on engine development and limited testing, Suzuki and Aprilia (and KTM, when they join the series in 2017) stand a chance of cutting the gap to the more successful factories.

Without concessions, the smaller factories wouldn’t stand a chance of catching the others, especially not a factory with almost limitless resources like Honda. Indeed, without the concessions granted to Ducati, there is a very good chance the Italian factory would have left MotoGP in 2014, after three long years without results.

The previous era, when the factories all competed under a single set of rules, ended up with just 17 bikes on the grid, and manufacturers showing more interest in leaving MotoGP than in joining. That situation has been completely reversed.

A more intriguing change has been the introduction of clear rules on the safety equipment to be used by riders. Back protectors and chest protectors are now compulsory, and minimum standards have been imposed for helmets, leathers, boots and gloves.

Rider safety equipment will now be much more closely regulated and monitored.