Rise of the Knight - THE Hyosung GT 250 R Comet

I am talking about the Hyosung GT 250 R, yes Garware Motors is bringing Hyosung GT250R to India. This isn't the first time for this bike in India. In early 90's it use to know as the Comet under the Kinetic Umbrella.

I happen to see it myself on the showroom, but unfortunately they didn't allow to click pictures since its not yet officially announced in market yet. But man when I saw the bike I decide than and there, that this is the bike what I was waiting for

The bike is big, Seriously Big, it doesn't look like 250 CC, the look and feel is definitely replica of GT 650. It has V twin Engine and deliver 28 BHP of power which is 4 

I just came across the Review from PTR (power to the Rider) team on Youtube, check the video and get stunned

How Car Engines Works

Figure 1. Inline - The cylinders are arranged in a line in a single bank.

Basic Engine Parts

The core of the engine is the cylinder, with the piston moving up and down inside the cylinder. Most cars have more than one cylinder (four, six and eight cylinders are common). In a multi-cylinder engine, the cylinders usually are arranged in one of three ways: inline, V or flat (also known as horizontally opposed or boxer), as shown in the following figures.

Different configurations have different advantages and disadvantages in terms of smoothness, manufacturing cost and shape characteristics. These advantages and disadvantages make them more suitable for certain vehicles.

Figure 2. V - The cylinders are arranged in two banks set at an angle to one another.

Figure 3. Flat - The cylinders are arranged in two banks on opposite sides of the engine.

Let's look at some key engine parts in more detail.

Spark plug

The spark plug supplies the spark that ignites the air/fuel mixture so that combustion can occur. The spark must happen at just the right moment for things to work properly.

Valves

The intake and exhaust valves open at the proper time to let in air and fuel and to let out exhaust. Note that both valves are closed during compression and combustion so that the combustion chamber is sealed.

Piston

A piston is a cylindrical piece of metal that moves up and down inside the cylinder.

Piston rings

Piston rings provide a sliding seal between the outer edge of the piston and the inner edge of the cylinder. The rings serve two purposes:

• They prevent the fuel/air mixture and exhaust in the combustion chamber from leaking into the sump during compression and combustion.
• They keep oil in the sump from leaking into the combustion area, where it would be burned and lost.

Most cars that "burn oil" and have to have a quart added every 1,000 miles are burning it because the engine is old and the rings no longer seal things properly.

Connecting rod

The connecting rod connects the piston to the crankshaft. It can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates.

Crankshaft

The crankshaft turns the piston's up and down motion into circular motion just like a crank on a jack-in-the-box does.

Sump

The sump surrounds the crankshaft. It contains some amount of oil, which collects in the bottom of the sump (the oil pan).

content help - howstuffwork

How a Powerful Engine Works

How to Produce More Engine Power - Car manufacturers are playing all the below combinations to make powerful engine with fuel efficiency  

Increase displacement - More displacement means more power because you can burn more gas during each revolution of the engine. You can increase displacement by making the cylinders bigger or by adding more cylinders. Twelve cylinders seems to be the practical limit.

Increase the compression ratio - Higher compression ratios produce more power, up to a point. The more you compress the air/fuel mixture, however, the more likely it is to spontaneously burst into flame (before the spark plug ignites it). Higher-octane gasolines prevent this sort of early combustion. That is why high-performance cars generally need high-octane gasoline -- their engines are using higher compression ratios to get more power.

Stuff more into each cylinder - If you can cram more air (and therefore fuel) into a cylinder of a given size, you can get more power from the cylinder (in the same way that you would by increasing the size of the cylinder). Turbochargers and superchargers pressurize the incoming air to effectively cram more air into a cylinder. In India TATA Aria uses turbocharger for more power 

Cool the incoming air - Compressing air raises its temperature. However, you would like to have the coolest air possible in the cylinder because the hotter the air is, the less it will expand when combustion takes place. Therefore, many turbocharged and supercharged cars have an inter cooler. An intercooler is a special radiator through which the compressed air passes to cool it off before it enters the cylinder.

Let air come in more easily - As a piston moves down in the intake stroke, air resistance can rob power from the engine. Air resistance can be lessened dramatically by putting two intake valves in each cylinder. Some newer cars are also using polished intake manifolds to eliminate air resistance there. Bigger air filters can also improve air flow.

Let exhaust exit more easily - If air resistance makes it hard for exhaust to exit a cylinder, it robs the engine of power. Air resistance can be lessened by adding a second exhaust valve to each cylinder (a car with two intake and two exhaust valves has four valves per cylinder, which improves performance -- when you hear a car ad tell you the car has four cylinders and 16 valves, what the ad is saying is that the engine has four valves per cylinder). If the exhaust pipe is too small or the muffler has a lot of air resistance, this can cause back-pressure, which has the same effect. High-performance exhaust systems use headers, big tail pipes and free-flowing mufflers to eliminate back-pressure in the exhaust system. When you hear that a car has "dual exhaust," the goal is to improve the flow of exhaust by having two exhaust pipes instead of one.

Make everything lighter - Lightweight parts help the engine perform better. Each time a piston changes direction, it uses up energy to stop the travel in one direction and start it in another. The lighter the piston, the less energy it takes.

Inject the fuel - Fuel injection allows very precise metering of fuel to each cylinder. This improves performance and fuel economy


Cotent Help : howstuffworks

Check out Scorpio's film, This is a good job done

The All New Fastest Pulsar 200 NS

Mr Bajaj just launched the fastest bike in India from an India manufacturer, that goes upto 136 KMPH, well how much that impresses to the India rider when he/she has the better speed monsters in India now, But I guess where pulsar is planning to play its cards, on the "price". Pulsar always succeeded in capturing the masses  in India by delivering a descent product within the budget, we are hoping that 200NS will again be within 1 lack 


Lets check out the specs and some images:

The 200NS (Naked Sports) uses a liquid-cooled, 199.5cc four-valve SOHC carbureted engine with a new triple-spark-plug system, coupled with a six-speed gearbox. The engine now produces 23.18bhp at 9500rpm and 1.86kgm of torque from 8000rpm. Bajaj claims the new Pulsar 200NS can hit 0-60kph in 3.61sec and 0-100kph in 9.83sec. 

The chassis now gets a pressed steel perimeter frame and a rectangular tube-section swingarm, which the company claims offers over three times the lateral stiffness of the old Pulsar 220’s frame. It also employs a gas-filled mono shock suspension and a central exhaust, for better balance. There are petal disc brakes front and rear, measuring 280mm and 230mm respectively, and 17-inch alloy wheels 


This time it looks like that Bajaj is aware of the competition and the changing attitude of the India Bikers, we see new pulsar 200 NS is well packaged and well placed among the growing competition in India 

Rear tyre looks big but not as big as KTM 200 is 

 

 Content Help - Iambiker, teambhp

The All New Toyota Innova 2012

MPV - multi purpose vehicle are meant to be durable, easy to maintain and fuel-efficient. This might not sound like a daunting task, but making a good MPV is a lot tougher than it seems. No wonder half-a-dozen car manufacturers in India have been trying to strike the right balance, but unfortunately very few have succeeded. As we all know well , the Toyota Innova is one such success story with over three lakh units sold since its launch some six years ago. Interestingly, this vehicle still has buyers making a beeline for the Toyota showrooms and commands a waiting period.

 To enhance the product's appeal, Toyota decided to give the Innova another mid-life upgrade. As you know Innova has Two engine : a four-cylinder D-4D common rail diesel engine producing 102 PS and 200 Nm and the other a VVT-i petrol motor that can churn out 132 PS and 181 Nm. Both these engines are mated to a five-speed manual transmission and are well engineered products. The Innova has become popular both among fleet-owners and families who enjoy long drives or do a lot of inter-city travelling.

Most of the changes in the 2012 version are very subtle, the idea being to make the MPV appear more sophisticated and contemporary. The changes goes like this : 

1. Among the obvious is the new front design which has Camry-inspired horizontal, wraparound headlamps replacing the older tear-shaped ones. 

2. The chrome, trapezoidal front grille is wider and conforms to Toyota's family design. 

3. The front bumper is chunkier than before and now houses circular fog lamps. 

4. The V-shaped character-lines on the bonnet are more prominent, which together with the horizontal treatment, give the front a wider appearance.

5. The new Innova gets indicator-integrated outer rear-view mirrors

6. Though the side profile remains unchanged apart from the skirting and alloy wheels in a new shape. 

7. The rear styling has also been slightly altered with better looking tail-lights.

8. The revised version loses the 'Innova' badge and now has the name embossed on the larger, chrome boot-lid insert. 

9. The rear bumper has been retained without the parking sensor, but now with a camera under the chrome insert. Yes , the top-of-the-line Innova VX now boasts of a reverse camera with display to assist parking.

10. Dual-tone dashboard and seats that make the car look plusher than before, It now has the Toyota Corolla's horizontal instrument console with a six-inch touch-screen infotainment system complete with Bluetooth, auxiliary and USB ports. 

11. The display, when connected to a mobile device via Bluetooth , shows the network range and battery life of the device and can even play the music stored in that device. 

12. The four-spoke steering wheel with controls mounted on it has also been borrowed from the aforementioned sedan. 

 

I must say that these gadgets may seem of little consequence on paper, but come in really handy on long drives. The use of artificial wood trims has been reduced and brush metal has been introduced. Then there are other features such as dual auto air-conditioning , rear window defogger and two new body colour options: Silky Gold Mica Metallic and Blue Metallic.

With all these design enhancements Toyota have kept the mechanics untouched and the Innova retains its driver-friendly behaviour and remains a fatigue-free driving machine. The 2012 version will be officially launched during the 2012 Auto Expo in New Delhi and we suppose it will be a little more expensive than the current version. We hope Toyota do not get overly ambitious while pricing this revised Innova , because the competition along with new buyers will be waiting with bated breath.

Content help : car

Dzire just got more Desirable !!

Maruti Suzuki will launch the new Dzire during the first week of February 2012. Here is a photo gallery of the new Swift Dzire!

The Dzire is the largest selling entry-level sedan in India and the new Dzire will continue to retain the ‘No.1’ crown hopefully. The new Dzire measures less than four meters, thus qualifying for the small car excise duty sops. The new Dzire is powered by the same 1.2-litre K-series petrol motor and the 1.3-litre DDiS diesel engine that powers the new Swift.

Let us take a look at the exterior design, interiors, gadgets and features that the Dzire offers. All the features mentioned below are available at the top-end variants ZXI and the ZDI.

The new Dzire has its front, very similar to the new Swift, but with subtle changes. When compared with the Swift, the upcoming Dzire has radiator grille with horizontal slits, wider air dam and bigger housing for fog lamps.

On the side profile, the new Dzire has unique shaped rear quarter glass and the size of rear doors are slightly stretched than in the Swift hatchback. The chunky alloy wheels add a sporty flair to the compact Dzire.

The major design changes are found in the boot section. The thick chrome strip running across the entire width of the boot door renders a premium appeal.

The taillamps have been redesigned to give a fresh look. Overall, the Dzire, with its shortened boot and Swift like styling, is one good looking compact sedan.

On the inside, the new Dzire gets a Swift like cabin. The black-beige dual tone shades brighten up the interiors. The dashboard layout has faux wood inserts and has displays for MID, music system and automatic climate control system.

The steering wheel of the Dzire is same as that of the new Swift. The steering wheel is tilt-adjustable and has illuminated steering-mounted audio controls.

The MID includes digital clock, outside temperature, odometer, trip meters, tachometer, speedometer, engine temperature gauge, fuel gauge and usual tell tale lamps.

The automatic climate control auto adjusts to the weather and ensures a cool cabin.  The neatly laid out large buttons are easy to operate.

The music system plays CD/MP3, FM/AM and has USB and Aux-in ports. The music system is connected to four speakers.

The four power window switches are integrated into the driver side inner door handle. Also seen are the door lock switches and electric ORVM adjustment round knob.

The interiors come with plush and comfortable seats. The driver seat is height adjustable. The rear seats have a central arm rest.

The dual airbags protect both the driver and the front passenger in case of collisions. The steering column is collapsible and minimizes injuries during a frontal collision.

The new Dzire has 316 litres of boot space which is 100 litres less than the present Dzire. The boot space has been reduced due to the shortened length. The boot has a lower loading lip for easy access.

So what do you think about the new Suzuki Dzire? Let us know in the comments below.

Courtesy : cartoq.com