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Offline Snafu

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Re: MotoGP 2017
« Reply #100 on: March 27, 2017, 12:20:32 pm »
Is it just me or what am I missing....none of our picks are reflecting on the pool?  :-\

You need to pick earlier. you missed out on pole etc.
The rest is there
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Offline Kerritz

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Re: MotoGP 2017
« Reply #101 on: March 27, 2017, 12:27:07 pm »
Is it just me or what am I missing....none of our picks are reflecting on the pool?  :-\

You need to pick earlier. you missed out on pole etc.
The rest is there

Ja ek weet ek het pole gemis....maar vanoggend toe ek gekyk het was dit nog nie updated nie. Dankie ek sien nou dit is daar. Ook maar lekker kak gespeel ekke..... :o
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Re: MotoGP 2017
« Reply #102 on: March 27, 2017, 12:27:45 pm »
Is it just me or what am I missing....none of our picks are reflecting on the pool?  :-\

You need to pick earlier. you missed out on pole etc.
The rest is there
Jy moet mooi kyk, sy pa is ook op die forum. :pot:
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Offline Cracker

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Re: MotoGP 2017
« Reply #103 on: March 27, 2017, 09:00:51 pm »
It seems 'Ready to Race' is not the same as 'Ready to Compete' .................

I felt sorry for them
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Offline Warren Ellwood

Re: MotoGP 2017
« Reply #104 on: March 28, 2017, 05:44:42 pm »
Shamelessly copied from a FB post, I had my staff staring at me I was laughing so hard. Still have loads of repsect for any rider on the grid, but this is kak funny, an email to JL from the boss  :biggrin:.

Dear George,

I really should send you the Email I just got from Matthias in Germany.

But you don't know any German swear-words, so it would be pointless. And I cannot risk being hit by all the broken shisha pipes and busted chairs I see being hurled out of the smashed window of your motorhome.

Eleventh, George? Seriously? Eleventh? It wasn't raining.

I know you said it was. Franco and Loris even drove out and looked in case it was actually raining on the corners where you said it was, but they couldn't see any rain.

And no, I do not think finishing in 11th after starting in 12th is a "great improvement" and that you need a trophy for "Bravest, Best and Fairest". And no, we're not making up a sash for you to wear that says "Here is the Butter, putas!"

Jonas Fucking Folger beat you. Alex Rins beat you. Sure, it was their first ever race on a MotoGP bike, so it's maybe like you say "Beginner's Luck".

But Scott Redding and Jack Miller also beat you. And you don't even know who they are, even though you've been racing them for a while.

Jesus fucken Christ, George. Even Asparagus A managed to haul his shitty Aprilia into sixth, which you would not have seen because you were in 11th.

I'm thinking you'll be racing with those boys a lot this year. Which is why Matthias is so upset. He could have bought all of them, and Zarco, and given them all Ducatis and harems full of prostitutes for what he's paying you to come 11th.

Now keep the noise down. We have to go and have a few wines with Dovi. He came second. He is so happy and really quite pretty in his bridesmaid's dress. He even led the race for a while.

But that "Spanish traitor-puta" as you call him, won.

No, you don't want to know who came third. Trust me.

We're going to Argentina next, George. Yes, it does suck to be you at the moment.

Always hopeful,

Gigi.
« Last Edit: March 28, 2017, 05:45:15 pm by Warren Ellwood »
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Re: MotoGP 2017
« Reply #105 on: March 28, 2017, 06:06:40 pm »
 :laughing4:

Maybe he is saying he must get used to the Ducati.
Did'nt Vinales take long to adapt to the Yamaha.

If only Yamaha can get the same top speed out of their bikes as the Ducati's.
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Offline lpj

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Re: MotoGP 2017
« Reply #106 on: March 28, 2017, 07:25:49 pm »
  :spitcoffee:
 

Offline Sithe

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Re: MotoGP 2017
« Reply #107 on: March 29, 2017, 11:48:58 am »

1. What is the story (pro's and con's ) behind a steel frame versus a trellis frame?
2. It looks like the Ducatti's are faster than the other manufacturers,  why is this, does Ducatti know something that the other manufacturers does not?

Hi Losper long time .. welcome to the party, been following MotoGP since 1999

Here is some interesting reading on the steel trellis vs aluminum frame designs
http://www.motorcycledaily.com/2003/05/21may03steeltrellisframe/

On the second question ... I don't know how Ducati does it ... there is talk that they cooperate a lot with Ferrari ... their engines also use completely different top end design to the Japanese. Ducati uses the Desmodromic  valves system whereas the Japs use pneumatic valves. I don't know how much this accounts for the performance difference. 
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Online Solo

Re: MotoGP 2017
« Reply #108 on: March 29, 2017, 12:56:45 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.
 

Offline Losper

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Re: MotoGP 2017
« Reply #109 on: March 29, 2017, 01:39:37 pm »


Hi Losper long time .. welcome to the party, been following MotoGP since 1999

Here is some interesting reading on the steel trellis vs aluminum frame designs
http://www.motorcycledaily.com/2003/05/21may03steeltrellisframe/

On the second question ... I don't know how Ducati does it ... there is talk that they cooperate a lot with Ferrari ... their engines also use completely different top end design to the Japanese. Ducati uses the Desmodromic  valves system whereas the Japs use pneumatic valves. I don't know how much this accounts for the performance difference.
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Offline IceCreamMan

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Re: MotoGP 2017
« Reply #110 on: March 29, 2017, 01:44:08 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

so what power do they use? if not engine power?
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Online Solo

Re: MotoGP 2017
« Reply #111 on: March 29, 2017, 02:16:57 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

so what power do they use? if not engine power?

Compressed air from a reservoir.
 

Offline I&horse

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Re: MotoGP 2017
« Reply #112 on: March 29, 2017, 02:33:30 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

so what power do they use? if not engine power?

Compressed air from a reservoir.

Seriously and that lasts an entire race?? I wonder how much the cylinder and regulator weigh?
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Online Solo

Re: MotoGP 2017
« Reply #113 on: March 29, 2017, 03:07:37 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

so what power do they use? if not engine power?

Compressed air from a reservoir.

Seriously and that lasts an entire race?? I wonder how much the cylinder and regulator weigh?

I&horse, i have no idea. I have seen them replenish the system in the pits (when it springs a leak) & it takes a while. Must be under huge pressure consider revs per race.

I don't know if some MotoGP teams run camless motors (will they tell us?). If not, of course the motor still drives a camshaft to open the valve & this will use engine power.

One must differentiate between true pneumatic valved (camless) engines & pneumatic valve springs. Gets technical - don't know who's interested?

Edit: spelling (dutchman shining fru [sic])
« Last Edit: March 29, 2017, 04:32:26 pm by Solo »
 

Offline I&horse

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Re: MotoGP 2017
« Reply #114 on: March 29, 2017, 03:45:44 pm »
I'm interested. running cam less should have massive advantages.
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Re: MotoGP 2017
« Reply #115 on: March 29, 2017, 03:51:51 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

so what power do they use? if not engine power?

Compressed air from a reservoir.

Seriously and that lasts an entire race?? I wonder how much the cylinder and regulator weigh?
It sits in what is known as the "lunch box" at the back of the bike and the air is driven from the gearbox out-put shaft, that is what most people think, DUCATI are very cagey about it works.
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Online Solo

Re: MotoGP 2017
« Reply #116 on: March 29, 2017, 05:52:29 pm »
It sits in what is known as the "lunch box" at the back of the bike and the air is driven from the gearbox out-put shaft, that is what most people think, DUCATI are very cagey about it works.

No, Ducati totally mechanical.
 

Offline Gryshond

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Re: MotoGP 2017
« Reply #117 on: March 30, 2017, 11:54:14 am »

Dear George, .......



That was so funny, thanks for that.
 

Offline 2StrokeDan

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Re: MotoGP 2017
« Reply #118 on: March 31, 2017, 05:00:57 pm »
Italians just know how to extract more power from an engine...... Ferrari or Ducati (or Aprilia).

Pneumatic valves use no engine power whilst desmodromic valves do.

Look at the Honda S2000, or the Nissan GTR.
The Yamaha team can get the same top end, and more out of their engines, BUT you sacrifice midrange and it is here where the Duke's handling falls flat. It also has to brake from higher top ends at the end of the straight, and this loads up everything.
Ducati will sort their bike properly once they trade top end power for some midrange. Only dragracing is about max engine power.

Yamaha wins races, not main straight drags.
 

Offline 2StrokeDan

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Re: MotoGP 2017
« Reply #119 on: April 02, 2017, 08:48:17 am »
To add to my post above, the examples of bikes with engines too powerful, and thus upsetting handling, is rife in motorcycle racing history.

I am 100% of the opinion that if Ducati detuned the top end a bit, and added that bit to midrange for driveability out of corners, their handling will immediately improve a bit.