Crash.Net User: Painless

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Painless

June 25, 2014 4:27 PM

MotoGP » Guy Coulon (Tech 3) - Q&A


V4Poweeeer: @Painless ..... I'm assuming your suggesting superchargers as a method of eliminating the need for electronics am I correct??? ...... Now this is the sort of topic I really like engine design :) Superchargers push the power and torque towards the lower end of the rev range.
Yes, the dramatic increase in low end power will increase the tendency to spin/wheelie at low rpm. However when cornering at racetracks the riders keep their engines at the optimum rpm to get back on the power. They aren't chugging around the corners. The supercharged engine will deliver a much smoother power delivery at high rpm than a naturally aspirated version, assuming that you are comparing two engines with similar max power, because the increase in power will be less.. I can see no valid argument against a perfectly linear power delivery and that is what supercharging can deliver.

Painless

June 25, 2014 4:47 PM

MotoGP » Guy Coulon (Tech 3) - Q&A


@V4Poweeeer "I'm assuming your suggesting superchargers as a method of eliminating the need for electronics am I correct???" Yes. That is correct. However, it is not just the electronic rider aids that need to be addressed, but also the huge costs involved in this cycle of ever diminishing returns. In order to push the peak power of these engines higher the peak torque rpm is also lifted higher. So these engines have a violent power delivery. They are simply dangerous. Then after applying electronics needed to tame the savage beasts the manufacturers think "Great now we add back that 10hp that we took away last year". The technology is controlled by the rules. Unfortunately the general public have the misconception that the technology is the best.

Painless

June 25, 2014 8:46 AM

MotoGP » Guy Coulon (Tech 3) - Q&A


@V4Poweeeer Re the supercharger, I disagree. The space is too limited here. However if you search for "Filippo Preziosi Debrief Transcript Today's Test Was About Ducati's Future" you will find my detailed response regarding this and a dyno chart amongst the posts. Re the 500cc with 4 stroke as the only rule: The factories would immediately build engines with forced induction. They would likely use the number of cylinders that yields the best power to weight ratio.

Painless

June 25, 2014 3:50 AM

MotoGP » Guy Coulon (Tech 3) - Q&A


I'm fine with that. If the world wants electric racing motorcycles then so be it. At least it has the chance of not being a pseudo "prototype" class like MotoGP. I like the technology because I have been involved with racing motorcycles. I am inspired when I see people pushing the boundaries like Britten did. He had a dream and he made it happen. In my world there would be people and small enterprises all pushing those boundaries of engineering and allowing many talented riders to have a shot at the title. But in the world we live in there is none of that.

Painless

June 25, 2014 3:38 AM

MotoGP » Guy Coulon (Tech 3) - Q&A


You miss the point. I am not talking about the need for more power. I am talking about the need for a linear power delivery at very low cost. This solves two problems. The first being the need for electronics to control the violent power surge that comes from a high performance naturally aspirated engine. The second is the high costs of producing a competitive engine for MotoGP. We live in a world where there are 5 axis cnc machines, cad/cam/fea on you PC and you can order items 3D printed from titanium over the internet and have them delivered to your door. The rules of MotoGP are archaic. No more than 4 cylinders, no less than 160kg. What a joke. To believe that it is a prototype class is just ludicrous.

Painless

June 25, 2014 1:47 AM

MotoGP » Guy Coulon (Tech 3) - Q&A


"There is no other class able to supply riders for MotoGP. " Yes, Mick Doohan was hopelessly slow and that's because he didn't come up through the ranks. What about Kenny Roberts, Eddie Lawson, Kevin Schwantz? We could go on all day but don't let the facts get in the way of your diatribe. We all know that the riders in WSBK are pathetically slow and that is why MotoGP bikes are 5 seconds a lap faster, right? Now for all the respondents who are going to state that "That was the old days. MotoGP bikes are different. Only riders with experience on 250cc chook bikes and CBR600s can ride them" Allow me to correct the original statement. "Most of the riders come up through the lower ranks because that is the path of least resistance. Ben Spies showed that it is possible for a rider with outstanding results from another class to get noticed".

Painless

June 25, 2014 4:49 AM
Last Edited 151 days ago

MotoGP » Marquez: It can’t go on forever!


Ok Mr Brain let me explain it for you. Guy Coulon's statement regarding what would happen if you opened the throttle mid-corner is being used to defend your view that electronics are needed. I believe that the rules, as they are written, necessitate the need for electronics because the rules are ridiculous for reasons that I have previously made clear. What Guy Coulon stated only supports my argument not yours. In order to validate my argument I offer up an alternative technology (supercharging), which, in my opinion, is both cheaper and more effective, and meets the requirements of both Talent Fan and Valentino Rossi.

Painless

June 25, 2014 1:16 AM

MotoGP » Marquez: It can’t go on forever!


"No matter how things are set, if you tried to open the throttle mid corner you'd get a nasty surprise. " Hubris! He talks as though he is the last word. YES with your stupid naturally aspirated engines that is what you get. A supercharged engine will deliver a perfectly linear power curve. No sudden surges or power bands. But forget that, lets just use antiquated garbage dangerous technology because . . . because ummmm.


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