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Old 07-26-2006, 12:26 PM   #1
ArturoC
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Vid: New 800cc MotoGP Bike

Spy Vid taken at a trackday at the Silverstone circuit.

http://www.motorcyclenews.com/nav?pa...y=SPORT_MOTOGP


Designed by some F1 guys.. (nothing new there)

http://www.itv-f1.com/News_Article.a...36734&PO=36734
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Old 07-26-2006, 02:18 PM   #2
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cool. sounds and looks like a regular GP bike :dontknow:
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Old 07-26-2006, 02:26 PM   #3
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Quote:
Originally Posted by arturo3rd
cool. sounds and looks like a regular GP bike :dontknow:

Not quite sure what tech they're using other than a V4. :dontknow: But the nice thing is that it's another newcomer to MotoGP, and WCM will be back next year as well. If the current manufactureres supply the same number of bikes next year and with the addtion of two more teams, maybe they can go back to 4-wide grids in the MotoGP class with that many entries.
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Old 07-26-2006, 02:37 PM   #4
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Quote:
Originally Posted by ArturoC
Not quite sure what tech they're using other than a V4. :dontknow: But the nice thing is that it's another newcomer to MotoGP, and WCM will be back next year as well. If the current manufactureres supply the same number of bikes next year and with the addtion of two more teams, maybe they can go back to 4-wide grids in the MotoGP class with that many entries.
that will make turn 1 more dangerous off the start. poor kawasaki's, again
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Old 07-26-2006, 05:53 PM   #5
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I'm guessing higher redlines and more shifting required than the 990's...like a super supersport.
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Old 07-26-2006, 06:15 PM   #6
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Quote:
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I'm guessing higher redlines and more shifting required than the 990's...like a super supersport.
nah it's going to make them peaky like a two stroke.
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Old 07-26-2006, 08:47 PM   #7
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I doubt they will be peaky, at least not like a 2 stroke. higher redlines? you betcha, less mass, more revs, the pistons can sustain higer G forces. but it's a british bike, bleh.
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Old 07-27-2006, 02:10 PM   #8
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he couldnt even pass those production bikes.. doesnt look too promising.. haha
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Old 07-27-2006, 02:16 PM   #9
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Quote:
Originally Posted by HotChickenStrips
I doubt they will be peaky, at least not like a 2 stroke. higher redlines? you betcha, less mass, more revs, the pistons can sustain higer G forces. but it's a british bike, bleh.
the more you raise rpms the more peaky a engine is (narrower the power band) kind of like a 600cc bike that makes 30hp more than the production bikes. the power band is narrower and you would need to keep in in that sweet spot. but when you do hit that power band it would come on strong. Like a 2 stroke.
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Old 07-27-2006, 08:16 PM   #10
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I still don't agree, but we can be friends.
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Old 07-27-2006, 09:09 PM   #11
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Quote:
Originally Posted by HotChickenStrips
I still don't agree, but we can be friends.
the only way you would have a power band that's not narrow is if you stroke the engine but then you'll get less hp and more torque withthat would come a lower redline but alot wider powerband.

big bore +short stroke= highredlines and more hp

smaller bore longer stroke= more torque and lower rpms.


since in this type racing it's spent at rpms you would need morepul lup top than anything.

go back and look at the progression of bores and strokes on 600's 750s and 1000's you'll see the bore getting bigger and the stroke getting smaller and the power band getting more and more narrow but peak power going up higher and higher and also higher and higher in hte rpm range.
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Old 07-27-2006, 09:20 PM   #12
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check this out.

1999 r6

peak power came at 13,000

bore stroke 65.5 x 44.5 mm
Redline 15,500 rpm

2006 r6

Power: 131.15 HP (95.7 kW)) @ 14500 RPM
Torque: 68.00 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 6930 RPM
Compression: 12.8:1
Bore x stroke: 67.0 x 42.5 mm (2.6 x 1.7 inches)

peak power comes in later with the shorter stroke. and the power band is smaller.

have you ever ridden a r6 I don't feel anything till like 11,000 then the power comes on really quick. Now they will make abotu 200hp out of 800cc that means really really short strokes and high redlines the power will come real quick and real fast like a 2 stroke. think about it.
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Old 07-27-2006, 09:33 PM   #13
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I guess we won't be friends after all. lol

Charles, I absolutely agree, you got a point there, but with the advancement of engine management I'm sure they will tame the power band to the point they will make it very rideable. have you guys notice there's hardly any highside situations in motogp these days? engine management at work.
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Old 07-27-2006, 11:08 PM   #14
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Quote:
Originally Posted by HotChickenStrips
I guess we won't be friends after all. lol

Charles, I absolutely agree, you got a point there, but with the advancement of engine management I'm sure they will tame the power band to the point they will make it very rideable. have you guys notice there's hardly any highside situations in motogp these days? engine management at work.
that's traction control foo' had they had it on the two strokes there's wouldn't have been many highsides there either/
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Old 07-27-2006, 11:55 PM   #15
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Just read that Max Biaggi is rumored to be linked to this project. That would be interesting, the guy's a but he can ride.

A 75 degree V4 with pneumatic valves (like colin edwards' old aprilia that set him on fire in 2003) and redlines up to 18000 RPM.
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Old 07-27-2006, 11:57 PM   #16
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Quote:
Originally Posted by zixx6r
Just read that Max Biaggi is rumored to be linked to this project. That would be interesting, the guy's a but he can ride.

A 75 degree V4 with pneumatic valves (like colin edwards' old aprilia that set him on fire in 2003) and redlines up to 18000 RPM.
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