Cbr1000 v4 2010

[endlessloop]

Thanks Cagiva03 for posting the youtube link.

 

I saw the same bike shown in the BIKE magazine a couple months ago. The BIKE editors said they were disappointed that Honda only show a plastic model.

 

To me, the display looked more like a concept bike. Clearly, it is not a working prototype (don't even have real wheels). Even if Honda is going to implement it for real, it wouldn't be hitting the bike shops in the next 1 year at least.

[Snapcase]

Suzuki also got inline 6, 180HP machine called stratosphere. Already unveiled...maybe honda dun wanna lag behind?

[cagiva03]

By 2011, we will most probably see a whole new era of new superbike technology as compared to now. Just think back..... When the new R1 '04 was release, it really shock all the other '03 R1 owners (i was one of them)... The new yamaha at that point of time was so fast, and handle damn well. And that goes the same to the K5 suzuki 1000. Who would have imagine that a stock 1000cc bike could cleared 299km/h with 5th gear at that point of time. I can't wait for the new 2010 models to be release....

[niteoverday]

maybe this site will answer ur queries http://www.honda-v4.co.uk/Index

[GuiNNeSS]

 

In theory, a V-arranged engine have this natural pickup ability compared to an inline-arranged engine of the same CC and same piston shape, etc....

 

 

 

There is nothing to suggest that an in-line four engine will produce more power than one of another arrangement and the same displacement.

 

With an irregular firing order, a V-arrangement was believed to offer better drive out of corners, than an in-line four with regular firing intervals that did not allow a rear tire to "rest" long enough between firing pulses, producing difficult to control, hair-trigger engine response at high rpms.

 

Yamaha (and possibly Kawasaki) has changed that view with its cross-plane crank that allowed a longer break between the first three and the last cylinder firing, effectively conferring their in-line four with a V-like engine character. The downside in the streetbike with that same crank arrangement (2009 R1) has been added weight from a larger crankshaft (the crank has had to be made beefier), and the two balance shafts to quell increased vibrations from the new engine layout.

[Hartholomew]

Further to Throttlestop's post:

 

Scientifically, the more cylinders you have in your engine design for a given displacement, the more power you will get.

 

Reason is that more cylinders give more valve area, which means you can flow more fuel, quicker.

 

The other reason is that more cylinders mean the opportunity to balance vibrations (eg Ducati 90 degree L-twin engines) that are naturally balanced and do not need a balance shaft.

 

No balance shaft means less power wasted on non - power generating mechanisms.

 

But the downside to multi cylinders is valvetrain weight, inertia and friction. So there is a limit to how many cylinders you can run before the valve area advantage stops because of increased friction from added valvetrains.

 

This is the reason why many of the the most powerful normally aspirated cars run V6s, V8s, V10s or even V12 engines.

 

Yamaha's new crossplane crank not only gives a longer "rest" period between pulses, but smooths crankshaft inertia, meaning that the crank spins very smoothly instead of speeding up and slowing down in each 360 degree rotation, what this means is very smooth, predictable power.

 

But true to physics, the crossplane crank needs a balance shaft, which has added weight, girth and decreased power. So you can easily see where the trade-offs are.

 

Hartholomew Mamola

[Raptor]

Learnt something today.

[GuiNNeSS]

Learnt something today.

 

 

Eh? Trade in your three children's playbikes for a real-man's sportbike and join us at Sepang on 15/16 August, lah. Feel what its like (again) to run your knee sliders into a corner at >180 km/h, instead of half that at that kiddie go-kart place you call a racetrack.

 

There's a new Repsol replica with your name somewhere in Singapore. Go for it!