Crash.Net User: TrueFan

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TrueFan

July 18, 2014 2:55 PM

MotoGP » ‘Thumb brake’ appears on final day of Honda test


Just to clarify, Marquez's braking style is not aided by electronics. He tips the bike into a corner balancing the bike on the front wheel, with the rear wheel slightly off the ground. The natural tendency of the bike in that configuration is for the rear wheel to either try to climb over the top of the front wheel, due to the torsional force exerted by the turning front wheel on the resisting frame (with rear wheel and rider attached), and the wheel dragging the frame around, or the back wheel trying to pass the front - usually to the outside, due to the deceleration of the front wheel, and the tendency of the greater mass behind, finding a way past the hinge (at the steering head). With the rear wheel somewhat airborne, or completely unloaded, the front tyre is highly loaded, and the demand on its grip close to exceeded. Generally, adding the lateral force of tipping it into a corner is asking a bit much, unless the point of balance ofthe whole mechanism is so perfectly directed ove

TrueFan

July 19, 2014 5:28 PM

MotoGP » Cal Crutchlow stays at Ducati


We haven't really seen what Crutchlow can do on Ducati so far. People carry on about what riders SAY...Who cares? Judge them by the riding...that's what they're paid to do. The bike has had at least as many problems as Crutchlow so far, so wait and see how he goes. I'm neither happy nor disappointed Cal has continued with his contract. He has no better options, and Ducati might just be listening to what he has said - whether or not he's spoken with enough "charisma" to suit fickle fans or not is a separate matter.

TrueFan

July 19, 2014 5:09 PM

MotoGP » Andrea Dovizioso re-signs for Ducati


I'm glad to see Dovi is staying at Ducati. He's a solid rider, and a world champion. He is the benchmark rider for Ducati to use to measure progress of their development. His consistency allows them to guage whether changes are working or not, and he is good enough to give worthwhile feedback. Of the current riders available, Dovi is the most important for Ducati to re-sign. Andrea Ionnone has enormous potential, but Dovi is a known quantity. Cal is still unknown on Ducati - not all due to him.

TrueFan

July 18, 2014 3:40 PM

MotoGP » Second wrist surgery for Nicky Hayden


A carpectomy is complex enough without having the alignment problems inferred by the proximal row issue, and much more challenging when a radial styloidectomy is concurrently involved. It would be better if they simply remove a row of small bones in the wrist in order to increase mobility within the joint. Hopefully, his wrist will work again after the summer break, and the pain will not be too intense. I'd like to see him find the performance limits of the RCV10000R, rather than the limits of his body.

TrueFan

July 18, 2014 3:02 PM

MotoGP » ‘Thumb brake’ appears on final day of Honda test


over the wheel that the brake is released in synch with the timing of the turn initiation. If you were unaware of Marquez's cornering style, and yet followed that bland description, you might watch more closely next time you watch him ride. Then you'll understand what makes him special. With Stoner it was his sublime throttle control, powerslides, oversteering a bike through a corner to drive out earlier than anyone. With Rossi it was his ability to exploit advantages, brake late and create an opportunity to make a move that might only work once. With Lorenzo it is his metronomic smoothness. For Marquez, it is riding loose at the limit and balancing through corner entry on the front wheel. Watch it. It is something else.

TrueFan

July 19, 2014 5:36 PM

MotoGP » ‘Thumb brake’ appears on final day of Honda test


Wei328:
TrueFan: Given that Marc usually has the rear wheel airborne under brakes, he probably finds the foot operated brake applies too much force.
That doesn't make sense. Rear wheel air borned is caused by hard braking in the front. Thumb brake is probably there to slow the rear wheel when it's in the air, so that the rear wheel doesn't come down sideway as we had seen many times with Marquez.
Rear wheel airborne means you don't need much pressure on rear brake. Marquez tips the bike in with the weight completely over the front wheel. That requires perfect (or near perfect) balance over the front wheel, at exactly the right angle. Get it slightly wrong and either the front washes out (FE lose), or the back end of the bike will be thrown out of line (wide) on corner entry, for a possible high side.

TrueFan

July 17, 2014 6:51 PM

MotoGP » ‘Thumb brake’ appears on final day of Honda test


physics: Well applying rear brake doesn't get your rear in the air. Thumb brakes are usually used because in right turns you stand on your toes on the rear set and can't use the rear brake. Rear brake usage actually makes the whole bike squat when used with the front, so less rear wheel air time.
Given your user name, I'm sure you're aware that most of the braking is done with the front brake, and when applied hard enough, the weight transfers almost entirely onto the front wheel. If you watch Marquez, his rear wheel is often either skipping in the air, or completely unloaded until he tips it in. He initiates most corners over the front wheel. It is quite brilliant, and his corner entry in particular is poetry in motion. It looks loose, but he does it at will. The rear brake will bring a wheelie under control, or stabilise the bike in some cases. Maybe they have a better feel using a thumb control. They don't need much force for it to be useful.

TrueFan

July 17, 2014 4:59 PM

F1 » Rosberg signs “multi-year” Mercedes extension


It's a funny thing, motorsport. Due to the visibility of the driver in connection with the performance, many fans fail to realise it is very much a team sport... Even more bizarre, they rate a driver by his performance, and then adjust their perception significantly for his personality!!! Thank about it. I'm not suggesting that you shouldn't do it. You just should be aware of what you're doing. You know... "Lewis might be a good driver, but I don't like him because he hangs out with whiny rappers..." That's funny on several levels, and I'm neither defending nor condemning his choice of friends. Can he drive fast? Yes, but... Back on topic...Nice to see Rosberg rewarded for performing well in the best car on the grid.

TrueFan

July 17, 2014 5:15 PM

F1 » FIFA bans Rosberg helmet design


richard: i wonder.... did crash.net have to get permission from fifa to reproduce an image of the world cup on this site?
Hahaha... they ought to have. They also ought to have acquired permission from the copyright owner of the World Cup IP. It is an unfortunate fact that, despite the current generation having no idea, nor any respect for IP rights, based on the download it for free napster / youtube culture, most people have a "relaxed view" of it. The thing is, the only thing of value in owning the F1 brand is the IP rights. In order to defend those rights, they need to respect the IP rights of others, such as FIFA. For that parched dry humour, you deserve bragging rights for the best post on the thread!


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