What is exactly DTS-i ,DTS-Si and DTS-Fi?
The cycle begins when the piston is furthest away from the crankshaft. On the first stroke (intake/induction)
of the piston, as the piston descends it reduces the pressure in the
cylinder, a mixture of fuel and air is forced, by at least atmospheric
pressure, into the cylinder through the intake port. The intake valve
then closes and the following stroke (compression) compresses the fuel-air mixture.
The
air-fuel mixture is then ignited, by a spark plug, at approximately the
top of the compression stroke. The resulting expansion of burning gases
pushes the piston downward for the third stroke (power) and in the fourth stroke (exhaust) the piston pushes the products of combustion from the cylinder through an exhaust valve or valves.
 DTS-i Engine -  DIGITAL TWIN SPARK ignition engine
has two Spark plugs located at opposite ends of the combustion chamber
and hence fast and efficient combustion is obtained. The benefits of
this efficient combustion process can be felt in terms of better fuel
efficiency and lower emissions.DTS-i Engine can be further tuned to deliver exhilarating performance as in DTS-FI or exceptional mileage like in DTS-SI as claimed by Bajaj. The use of twin spark plugs has been around for decades mostly in the engine of Alfa Romeo, Honda and on large capacity Ducati engine etc. Bajaj however have patented the technology for small capacity engines.
DTS-Si Engine -
Like DTS-i the engine has 2 spark plugs, but, instead of conventionally positioned straight ports, the offset positioning of the ports generate high swirl and turbulence of the air fuel mixture in the combustion chamber. This results in highly efficient combustion that further results in exceptional mileage. Like the mother DTS-i technology, the DTS-Si technology is a patented technology developed by Bajaj Auto R&D. This technology is used by Bajaj in its recently launched 125 cc Bajaj XCD. Recently, Bajaj Auto was in the news for accusing TVS Motors, long-standing rivals of patent infringement on the DTSi technology. TVS countered by threatening to sue Bajaj Auto for libel. DTS-Fi- DTS-Fi stands for "Digital Twin Spark Fuel Injection", a ‘Bajaj Patented Technology’. In fuel injection the conventional carburettor has been replaced by injector which injects fuel in to the engine in a spray form based on the instructions of the Engine Control Unit (ECU) which is a part of the Engine Management System EMS. The Electronic Control Unit (ECU) is microprocessor based and is the brain of the fuel injection system. It processes information sent by various sensors and instantly determines optimum fueling and spark timing for various engine operating conditions. The ECU contains detailed information of the engine's characteristics from which it picks the necessary data for commanding both fueling & spark timing. The main advantages of Fuel Injection are: a. Increased power output for same cc. b. Better low end torque. c. Lower fuel delivery & optimisation of spark timing. d. Improved cold start, quick warm-up and excellent response to sudden acceleration. e. Lower emission levels. f. Self detection and communication of fuel system malfunctioning if any. ExhausTEC
ExhausTEC
stands for Exhaust Torque Expansion Chamber, a Bajaj Auto trademark.
The technology involves use of a small chamber connected to the exhaust
pipe of the engine to modify the back-pressure and the swirl
characteristics, with an aim to improve the low-end performance of the
bikes. This was attempted in response to the issue of a reported lack of
low-end response in Bajaj's single-cylinder four-stroke engines. The
ExhausTEC technology is claimed to be highly effective in improving the
overall engine response, especially the low-end torque characteristics.
This enhanced performance is claimed to come at no loss of top-end
performance or engine smoothness.
|
Discover ST 125
Bajaj Auto Limited announced the launched of the new 2012 Bajaj Discover and also unveiled the new look of the commuter bike. Looking at the design of the new Bajaj Discover, graphics section has been totally changed. The main thing to be noticed about the bike is that, the change which the bike has undergone is really good unlike the Bajaj Pulsar 200NS.
Full Specifications
Discover ST 125 (Sports Tourer), is a new range of sports commuter motorcycle with new features like brand new headlamp, a new instrumentation console, a new 10 liter fuel tank, new alloy wheels and a monoshock rear suspension. The grab rail, the side panels, new mudguard, a new exhaust muffler and an exposed O-ring based drive chain are also few of the changes made to the bike.
The phenomenal change brought to the sports commuter motorcycle is the on engine. Air cooled engine, 4 valve head, twin spark DTSi are the changes made to the Discover ST 125 (Sports Tourer). The Discover ST 125 (Sports Tourer) is the first one to feature 4 valve head on a 125cc bike in India. The other thing worth mentioning is that, the Discover ST 125 is the second one to feature a monoshock after the Bajaj Pulsar 200NS.
Discover ST 125 engine produces a peak power of 13 PS at 9,00 rpm, while peak torque is 11 Nm at 7,000 rpm.
Availability: By the end of June 2012.
Speaking about the launch of the Discover ST 125 (Sports Tourer), Rajiv Bajaj, Managing Director said that, to increase the growth of the brand, they will be bringing in changes to their bikes every year.
Note : New Bajaj Discover 4G is different from the Discover ST 125 (Sports Tourer)
Specifications :
| Engine | 4 Valve Twin Spark Air Cooled |
| Engine Displacement | 124.6cc |
| Max.Net Power | 13 Ps @ 9000 rpm |
| Max.net Torque | 1.1 kgm @ 7000 rpm |
| Ignition System | Digital CDI |
| Carburetor | CV type |
| Starting | Self + kick start |
| Front Suspension | Telescopic Fork with Anti-friction DU Bush |
| Rear Suspension | Nitrox Monoshock with gas canister |
| Front Brake | Petal Disc 200 mm |
| Rear Brake | Drum 130 mm |
| Transmission | 5 Speed Constant mesh |
| Frame | Semi Double cradle |
| Front wheel / tyre | New design alloy / 2.75 X 17” 41P Tubed |
| Rear wheel / tyre | New design alloy / 3.00 X 17” 50P Tubed |
| Fuel Tank | 10 L |
| Wheelbase | 1305 mm |
| Seat Height | 800 mm |
| Turning Circle Radius | 2100 mm |
| Ground Clearance | 170 mm |
| Kerb Weight | 124.5 kg |
| Max Speed | 105 kmph |
| System | DC Ignition |
| Battery | 12V 5AH |
Suzuki Hayate and Honda Dream Yuga
 |
| Dream yuga Vs Hayate |
Design:
Suzuki Hayate’s tank design has been ripped from Suzuki GS150r but when comparing the tank design with that of Honda’s low cost bike Dream Yuga, the later one’s look pretty decent, though it too has been ripped from Honda Shine.
Colors:
Suzuki Hayate – Monsoon Grey Metallic, Aplha Red Metallic, Maple Brown Metallic, Force Silver Metallic and Black.
Honda Dream Yuga – Pearl Mirage White, Metallic Lush Green, Pearl Mica Red, GL Sparkle Black and Metallic Flint Grey.
Comparison :
| Suzuki Hayate | Honda Dream Yuga | |
| Engine | ||
| Type | Air Cooled, 4 Stroke, 1 cylinder, SOHC, 2 valves | Air Cooled, 4 Stroke, SI Engine |
| Bore X Stroke | 51.0mm X 55.2mm | 500MM X 55.6MM |
| Displacement | 112.5cc | 109CC |
| Compression Ratio | 9.5:1 | 9.0:1 |
| Fuel System | Carburetor | Carburetor |
| Starting | CDL/Electric & Kick | Self/Kick |
| Lubrication System | Wet sump | Forced & Wet Pump |
| Transmission | ||
| Clutch | Wet multi plate type | Multiplate clutch type |
| Transmission | 4 speed constant mesh | 4 Speed constant mesh |
| Brake | ||
| Front | Drum | Drum 130MM Dia |
| Rear | Drum | Drum 130MM Dia |
| Tyre Size | ||
| Front | 2.75-17 41P | Tubeless 80/100-18 47P |
| Rear | 3.00-17 50P | Tubeless 80/100-18 54P |
| Dimensions | ||
| Length | 2030mm | 2022 MM |
| Width | 720mm | 733MM |
| Height | 1070mm | 1095MM |
| Wheel Base | 1260mm | 1285MM |
| Ground Clearance | 175mm | 161 MM |
| Kerb Weight | 112kg | 108 KG |
| Electrical | ||
| Ignition Type | CDI | Fully Transisterized |
| Fuel Tank | ||
| Capacity | 8.0L | 8 litres |
| Price | Rs. 40,162 | Rs.46,000 |
Suzuki Hayate, Review, Price, Suzuki Bikes India, Comparison, Images, Variants
Latest Suzukis - Hayate and Swish Closeups ShotsSuzuki Hayate   Design and StyleSuzuki Hayate   Instrument ClusterSuzuki Hayate   OtherSuzuki Hayate   Shades AvailableSuzuki Hayate   Suzuki India launched two new vehicles at the Auto Expo 2012 in New Delhi. One is a 125cc gearless scooter 'Swish' and second is 112.8cc commuter bike 'Hayate'. Suzuki Hayate is a very fuel efficient and competitively priced 110cc commuter bike which is based on the Slingshot bike. It is powered by a 112.8cc 4-stroke air-cooled engine. The kerb weight of Suzuki Hayate is 112 kgs and fuel tank capacity is 8 litres. Variants of Suzuki Hayate Suzuki Hayate is available in two variants: Hayate kick start and Hayate electric start. It is expected that disc brake variant will also be introduced in coming months. Suzuki Hayate is a commuter bike and will compete with the likes of Yamaha Crux, Hero Splendor, Bajaj Discover and recently launched Honda Dream Yuga. Suzuki Hayate features a basic instrument cluster with all analogue meters. Fast Facts About Suzuki Hayate - Unveiled at Auto Expo 2012 in New Delhi - Launched today (10th May, 2012) - Powered by 112.8cc 4-stroke air-cooled engine - Generates maximum power of 8.68 bhp - Develops maximum torque of 8.4 Nm - Is available in fives shades - Is entry-level Suzuki bike in India Price of Suzuki Hayate - Suzuki Hayate Kick Start - Rs. 40,162.00 - Suzuki Hayate Electric Start - Rs. 42,162.00 The base model of Hayate is priced at Rs. 40,162 and the electric start variant is priced at Rs. 42,162. Suzuki has priced Hayate very competitively and wants to grab the entry-level market by storm. Shades Available in Suzuki Hayate - Pearl Mirage White - Metallic Lush Green - Pearl Mica Red - GL Sparkle Black - Metallic Flint Grey Suzuki Hayate is available in five shades: Pearl Mirage White, Metallic Lush Green, Pearl Mica Red, GL Sparkle Black and Metallic Flint Grey. VEHICLE SUMMARY | |
| Name: | Hayate |
| Type: | Commuter |
VERDICT | |
| FOR | Price Fuel Efficient Engine |
| AGAINST | Looks No Disc Brake Option |
ENGINE SPECIFICATIONS | |
| Displacement: | 112.8cc |
| Engine: | 112.8cc |
| Maximum Power: | 8.8 PS |
| Maximum Torque: | 8.4 Nm |
| Gears: | 4 Speed |
| Clutch: | Wet multi-plate type |
| Bore: | 51 |
| Stroke: | 55.2 |
| Cylinder Configuration: | NA |
| Chassis Type: | NA |
| Cooling Type: | Air Cooling |
| Carburetor: | NA |
DIMENSIONS | |
| Length: | 2030.00 mm |
| Width: | 720.00 mm |
| Height: | 1070.00 mm |
OTHER SPECIFICATIONS | |
| Weight: | 112.00 kg |
| Ground Clearance: | 165.00 mm |
| Fuel Tank: | 8.00 ltrs |
| Wheelbase: | 1260.00 mm |
| Electrical System: | NA |
| Headlamp: | 12V 35/35W |
| Battery Type: | NA |
| Battery Voltage: | NA |
| Battery Capacity: | NA |
| Battery Charger Type: | NA |
| Horn: | NA |
| Wheel Type: | Alloys |
| Wheel Size: | 2.75-17 41P - 3.00-17 50P mm |
| Tubeless: | No |
| Colors: | Pearl Mirage White, Metallic Lush Green, Pearl Mica Red, GL Sparkle Black and Metallic Flint Grey |
Honda NSX concept unveiled at 2012 Detroit auto show
One of the biggest draws of the 2012 Detroit auto show is the new Honda NSX concept car. Developed in tandem by Honda's design studios in California and Japan, the new NSX is a svelte-looking supercar with an exciting purpose: it heralds Honda's new supercar.
After years of will-they, won't-they delays, concepts and U-turns, this time Honda is adamant - it really is replacing the original NSX. Even better news, the chief exec confirmed it would be here within three years.
The new NSX has big boots to fill: the 1980s original had a major impact on the supercar arena, bringing ease of use and less fearful road manners to the upper echelons of the sports car market. You could well argue that today's Audi R8 and Ferrari 458 Italia wouldn't be so biddable if the NSX hadn't existed.
New Honda NSX: the engineering story
The new NSX, 2012-style, will focus just as much on high-tech as the original. That name stood for New Sports Experimental and Honda is equipping its newcomer with a hybrid powertrain.There's a slew of hybrid supercars coming in the next three years: McLaren, Ferrari, Porsche and Lamborghini, to name but four, are all preparing part-electrified sports cars. You can now add Honda to that list.
The new NSX sports Honda's first mid-engined application of its Super Handling All-Wheel Drive system, as previously seen in the more workaday Honda Prelude and Japanese-market Inspire.
That means the NSX will be four-wheel drive, although the exact workings of the petrol and electric motors on the production car remain to be seen. Honda will be forced to use one of its petrol engines from elsewhere in its global car range, which points to a 3.0 or 3.5-litre petrol engine equipped with direct injection to provide the motive power.
It is likely that the NSX will use the latest lithium-ion batteries; although the entire European hyrbid road car range sticks with nickel metal hydride batteries, Honda has just bought into a Japanese specialist in lithium ion technology.
So when can we buy the new Honda NSX?
That's the $64 million question here in Detroit. This is no longer a pie-in-the-sky concept. Honda has confirmed the NSX is now a live project, as the company tries to claw back its reputation for cutting-edge engineering and exciting sports cars after the death - in Europe at least - of the S2000, Type R models and standalone sports cars.Takanobu Ito, president and CEO of Honda who led the development of Honda’s first NSX supercar, said: 'Like the first NSX, we will again express high performance through engineering efficiency. In this new era, even as we focus on the fun to drive spirit of the NSX, I think a supercar must respond positively to environmental responsibilities.'
In a surprise move, he also announced the new NSX would be developed and built in a new facility in Ohio, US.
He also told a packed Acura stand to expect to see NSXs racing. 'We will develop race and road specs for this car. You will see this car globally within three years.'
However, a UK official hinted that we might even see Euoprean models earlier than that.
Acura NSX becomes a Honda NSX
The NSX being rolled out at the 2012 North American International Auto Show is badged as an Acura, Honda's upmarket US wing.Expect to see the NSX appear also at the 2012 Geneva motor show in March, where it will wear Europe and rest-of-the-world-spec Honda badging.
Audi Buys Ducati for $1.12 Billion, But Why?
After weeks of rumors, Audi has announced plans to purchase Ducati for something in the neighborhood of $1.12 billion. But why does a gigantic auto conglomerate want a tiny bike manufacturer? What will VW do with Ducati? And, what does the deal mean for that most evocative of bike brands? Let’s examine the background, business and speak to experts that may be able to share some insight.
Ducati, a Brief History
“Ducati is good motorcycles, not a good business,” explains industry analyst Michael Uhlarik. “It has just not made money for most of its life. Suppliers consistently go unpaid/late paid, debt goes up but sales refuse to go much beyond 50,000 units.”
One Billion Dollars
$1.12 billion dollars sound like a lot of money. And, to you or me, it would be. But, in the world of gargantuan corporations, it’s simply not that significant.
“Instagram was just acquired by Facebook for $1 billion,” highlights Jon Alain Guzik, a veteran of the technology and automotive industries. “What’s worth more, 35 million users or making 40,000 bikes a year? Instagram’s assets and brand pale in comparison to those of Ducati, but the two companies achieved the same valuation.”
What’s worth more, 35 million users or making 40,000 bikes a year?
$1 billion is also a trivial sum to a company as large as Volkswagen.
Last year, the Group’s 11 brands (Ducati makes 12), sold 8.4 million
vehicles for a revenue of $209.1 billion. “Consider for a moment that
Volkswagen’s business generates something close to 8 billion euros in
free cash every year,” Barclays Capital analyst Michael Tyndall told Reuters.
“The company either has to find investments to enhance its return on
capital or it needs to return the extra cash to shareholders.”What Volkswagen Can Hope to Gain
You’re going to be reading about how VW wants to enable Audi to better compete with BMW by adding Ducati to its stable. That’s bogus. BMW motorcycles are as irrelevant to BMW as 40,000 bikes a year will be to VW. In 2011, BMW Group had a total revenue of about $90 billion, $1.8 billion of which was contributed by Motorrad. Reuters uses the term “a drop in the bucket.”
You’ll also be hearing speculation about VW gaining technology from Ducati. Specifically stuff about small engine technology. That is a tempting rabbit hole to speculate down. Ducati makes 1199cc engines that make 195bhp. VW makes 1.6-liter engines that make 100bhp. Plug Duc technology into that Polo and every wins, right? Right? Again, a company at Ducati’s level — 40,000 bikes as opposed to over 8 million cars and trucks — simply does not have technology that the bigger company doesn’t. They don’t have more talent or secret alien technology. Motorcycle engines play a very different game to car engines. They have higher specific power outputs, but they do so at a higher price (the engine is a higher percentage of total vehicle cost on a motorcycle), with much higher emissions, much lower service intervals and exponentially lower outright lifetimes. If VW started selling Golfs that went 175mph, but cost $75,000, got 8 mpg, required $5,000 services every 4,000 miles and blew up after 20,000 miles, VW would be in a lot of trouble. That’s before you even factor in emissions standards, which are far more lenient for motorcycles than cars.
What else? Some marketing tie ins or race team sponsorships or presence at corporate events are multi-brand dealers? Again, to quote Reuters, “a drop in the bucket.” All these benefits are marginal in the context of one of the world’s largest businesses acquiring a company with the same valuation as an iPhone app.
Lamborghini, a Case Study?
This isn’t the first time VW has purchased an exotic Italian company that’s far smaller than the parent brand. In 1998, VW purchased Lamborghini for $110 million. In 14 years, it’s transformed that brand from the ridiculed maker of temperamental exercises in wealth flaunting, to a maker of genuinely good exercises in wealth flaunting, expanding Lamborghini’s product’s into new segments and bringing in a new demographic of owner. In 1997, Lamborghini sold 209 Diablos. In 2007, before the world financial crisis, they sold 2,580 Murcielagos and the new, smaller, less expensive Gallardo. Perhaps the best indicator of Ducati’s fate under VW ownership is that neither the Lamborghini brand nor its products are viewed as watered down or diluted. Under VW ownership, Lamborghini is healthier and produces more appealing products than Ferruccio could ever have dreamed for.
In short, Ducati is in safe hands.
So what can we expect for Ducati? “This is TPG Ducati redux,” says
Uhlarik. “Wild talk of ‘IPO on the horizon’ and expanding the line. The
economies of scale are there, but only if they can successfully leverage
brand against low cost manufacturing without negative consequences. No
one has done this in the bike biz so far.”In short, Ducati is in safe hands. It will continue to innovate and produce exciting new superbikes and other luxury goods. The 1199 already promises to be the mostest superbike out there and its heirs will likely continue to similarly innovate and push the performance envelope. That’s great news for fans of fast motorcycles, but it’s unlikely that VW ownership will translate into higher volumes or more affordable products. Honda doesn’t have much to worry about.
“VW took over Lambo, which similarly made no money for over 20 years and 5 owners and turned it around,” continues Uhlarik. “If there is one company that can fully understand the Italian manufacturing proposition and make it work, it is VW.”
The Real Reason?
Back in 1985, now VW Group chairman Ferdinand Piech passed on a chance to purchase Ducati for a price he called “peanuts.” Since that time, it’s been well publicized that he retained an interest in owning a motorcycle maker.
“The Ducati purchase is driven by VW’s passion for nameplates rather than industrial or financial logic,” states Credit Suisse analyst Arndt Ellinghorst to Reuters. “It’s an unnecessary sideshow to VW’s main challenges.”
“The purchase does have a trophy feel to it, in the sense of something you might mount up on the wall next to the stag you shot last year,” an anonymous analyst told the outlet.
“Strategically it’s insignificant for Volkswagen,” Christoph Stuermer told Business Week. “Its revenue is more than Lamborghini’s and Bugatti’s combined, but to the automotive operations, it’s a mere accessory.”
source from
http://www.wired.com/autopia
by Arun
AutoCAD WS Update for Mobile and Web – Available Now
We’re thrilled to announce that the latest version of AutoCAD WS has just been released. For the web version simply log in at www.autocadws.com. You can download the latest mobile version of AutoCAD WS on the App Store for iPhone, iPad and iPod touch, and from the Android Market for your Android phone or tablet.
This new update includes features that were suggested by our
users over the past few months and we believe they represent a great
step in the evolution of AutoCAD WS. As always, we look forward to
hearing your feedback about the latest version of AutoCAD WS and we
welcome your suggestions for additions to the next release, later this
year.
3D Support
We have expanded the View Modes with the latest release of AutoCAD WS
to enabling toggling between 2D and 3D views of your 3D drawings. All
editing functionality is currently disabled when viewing a drawing in
3D. The 3D toolbar comes with a preset selection of 10 different angles
but you can also rotate your drawing through three dimensions manually.
GPS Support
The new GPS function lets you position yourself within your design
leveraging the built-in GPS functionality of your smartphone or tablet
to add contextually relevant comments at precise geographic locations.
Please note that the accuracy of the AutoCAD WS GPS function is
dependent on the accuracy of your device. You may have to enable the GPS
function in order to get accurate information.
Plot from Mobile
With this latest release we have added the ability to plot your
drawings directly from the AutoCAD WS mobile app. You can plot both 2D
and 3D versions of your drawing provided they are available.
You can either plot your drawing as a PDF file and email it to any
address in the world or you can send your drawing directly to any
web-connected HP ePrinter.
Video
For an overview of the new features in AutoCAD WS vesion 1.4 check out this new video:
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