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Anonymous

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Matthew Birt  says:

Valentino Rossi and Ducati hint at aluminium chassis switch

Valentino Rossi and Ducati technical boss Filippo Preziosi have both dropped strong hints that the Bologna factory is seriously contemplating a drastic change in philosophy by switching to a conventional aluminium frame in the future. Ever since Rossi first rode the 2011 Desmosedici in Valencia last November, he has complained of a lack of front-end feeling and understeer. As his complaints about...

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  • Posted 4 years ago (18 August 2011 12:14)

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gasguzzler

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Sep 09

Posts: 39

gasguzzler says:

Easyfred

All good stuff.. but the problem with a stressed mem frame, in this sence is, the resonating frequencies are  inconcistant and veriable to engine load ,{revs vibration} which alter the charecteristics of flex and feel ..The same lean angle,same amount of tyre deflection same load on the tyre can manifest itself differently from one corner to another because, as you point out , engine frequency not only absorbs mass{ stress,torsion} it translates it ,or, distorts it as a veriable of its own internal inertia .. the only way to limit this is to increase the strength ,resistance, of the active medium ,in this case the frame .which is prety much what the factory has done.. as you can see its a dead end , stiffen up frame ,bad idea , soften frame , bad ....yes carbon fibre is an excellent variable composite material... its the stressed member concept thats flawed ... A motorcycle frame needs to contain {susspend} and `act `and facilitate adjustment , independently of the motor and not be influenced by it {so fundimentaly) .. other wise the veriables become too broad and varied for engineers and riders to deal with ...  having said all that , i do hope you are right and a competetive ballance can be found with the current frame because itl be far quicker ,easier and cheaper for ducati and rossi ....  but this is how i see it ...
 

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Moaner

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Jun 11

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Moaner says:

Easy Fred...

Neil Spalding?? You mean David Emmett no?? Could have sworn i read that on motomatters... ;)

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diceman23

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Nov 09

Posts: 315

diceman23 says:

Farmed it out

We've all known for a while that an Aluminium Chassis was coming. Months of rumours, Rossi not liking the CF monstrosity Ducati are using now etc? What is interesting though is the article on MotoMatters that claims Ducati are developing the Aluminiun Chassis in Parrellel to they're other development and have actually Farmed the work out to another 'well know frame builder'. Could be a wise move considering they've never built one before. Any thoughts on who the frame builder may be?  http://motomatters.com/news/2011/08/18/ducati_building_aluminium_chassis_as_par.html

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Bootlegger

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Aug 11

Posts: 693

Bootlegger says:

Aluminium twin spar Ducati V-4 = Aprillia RSV without Desmo. Stick to the L-4 engine and it remains unique even in an alloy beam carrier. Compromise. Rossi and JB want material they worked so well with and got feedback from. Give 'em cake. Aluminium. On the other side of the coin, expect the rider to compromise. Fair play. Give him an L-4 in an aluminium treliis format or monocoque.Clearly,Rossi should have gone head to head with Lorenzo 2011 within Yamaha.  Mind you,he loves challenges.!! He sure has one heading into 2012. Phillip Morris' injection of capital into this marriage made in hell have to be wearing thin. Nicky,doing the corporate bit. Roll on VROOM 2012 in the Dolomites. They can display 7 Rossi options at the launch in all manner of colour schemes. The man is simply passed his zenith. He did have a great innings 2001 through 2009. To draw a modern era comparison,Rossi is to Ducati what Capirossi was to Suzuki. Works team and paycheck.  

 

 

 

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motoking

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Jul 11

Posts: 968

motoking says:

no use

even presiozi claim himself that aluminium chasis isn't the miracle answer. there're other option that could be use. but hey, ROSSI WANTS TO MAKE DUCATI BECOME A NEW BEASTY (BEAST BITCHY) LOL.

and right now, it's ducati new title. beasty. LOL. i cann't imagine they'll throw all of their image and brand for someone that'll retire soon. and the next thing you know, ducati going bancrupt cause nobody admire it again as the most wild wild beast of italian!!!!!

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motoking

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motoking says:

magz

one of motorcycle magazines in my country already said that rossi wants to change ducati just like yamaha (prove is rossi called furusawa to help him about front problem), BUT on top in ducati refuse it cause IT IS DUCATI. BEAST. WILD. well, who knows. they have no option now cause GP 11.1 is no use. useless. no change at all.

even 2012 bike, ROSSI GOT LEFT BEHIND 2 SEC OFF FROM LORENZO AND STONER TIME!!!

just like doohan said, rossi already reach his peak. maybe he should start adopt child with uccio. LOL.

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motoking

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Jul 11

Posts: 968

motoking says:

ehm

i mean uccio become his assistant in take care the baby of course. uccio is the best mate ever. LOL.

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Easyfred

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Aug 11

Posts: 40

Easyfred says:

Gasguzzler

Agree completely. Point is that just changing material won't fix the problem. switching to a twin spar with a 90 degree v4 has its own problems and would be completely alien concept for Ducati. One solution would be to get Suter or FTR to do the leg work on the chassis I suppose, and it sounds like that may be their plan. Either way I still think the simplest solution is to get rid of the single tyre manufacturer. I personally think this is a limiting factor and does not fit with a prototype racing class. Let them build whatever bike they want, as fast as they can possibly make it, with any rubber, no limit on engines or fuel, stick the fastest most skilled riders on the back and just see who wins - motogp as its meant to be. No limits balls out true prototype racing

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Easyfred

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Posts: 40

Easyfred says:

Moaner

David whoooo? Great minds think alike! :)

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gasguzzler

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Sep 09

Posts: 39

gasguzzler says:

Easyfred

spot on and lets junk the tc while were at it ........

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