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Posts Tagged ‘Transport’

BMW Motorcycles

Monday, September 21st, 2009

BMW as a model has always been associated with prestige and class. This has resulted in the brand being an all-time bestseller in almost every continent of the world. While BMW have diversified greatly, the company has stayed true to its brand and model attracting millions of fans worldwide. Since 1923, the company has moved from aircraft to luxury cars and now luxury high speed prestige motorcycles.

In the world of motorcycles, it is generally agreed upon that motorcycles retain a much higher value than even cars. Japanese motors have been great. And do have been Harley Davidson from the USA and Italian brands. But BMW has continued the legacy of quality and class that started with its brand name cars down to its newer offerings-the motorcycles.

Prestige and class as we have mentioned, marks the reason why people go for BMW motorcycles. First of all, the brand has made a name for itself. This means that the class and prestige and is associated with BMW is beyond reproach. Quality is also another element that buyers have come to expect from the BMW models. This is the same with the motorcycle. Because the German car maker has distinguished itself as a top player in the auto world, the same is trusted in the world of motorcycles.

Motorcyclists are very particular about their bikes. That is why when embarking on its production of top-of-the line motorcycles, BMW had this in mind. Technically, there are two types of used BMW motorcycles, the R- series and the K-series. The differences include two cylinders which are horizontally-positioned for the R series and three to four cylinders usually lying side-by-side for the K-series. Innovation on the part of BMW has also produced the F -series which has only only one cylinder and chain. There are further divisions within the R series. One is the fact that it is modern and has a fuel injection system. This is preferred because it translates into ease of repair and cheaper costs.

As we mentioned, the best way to get a used BMW motorcycle is to visit your local dealer or certified used car lot. This is important because you get to choose and feel what you want and even do a test drive. This is advantageous in that people who shop on eBay do not have this luxury.

eBay motors is also another place which has become popular for shopping for used BMW motorcycles. This is because eBay works mostly as an auction and people who are bargain-hunting find that they can choose motorcycles easily and conveniently. One can also bid on the make and model that they want based on their budget. This essentially means that one can get a motorcycle at a price that is much cheaper than at the dealerships.

Automotive Technology – Active and Passive Safety Systems

Tuesday, July 21st, 2009

In today’s busy world, people often find themselves multi-tasking; and unfortunately, drivers are taking this trend to the road. According to the National Highway Traffic Safety Administration (NHTSA), not only do the majority of Americans view driving as a routine task (i.e., not worthy of special attention), 50% of all crashes involve driver “inattention.”

Safercar.gov agrees. It says 90% of vehicles in “fatal, single-vehicle rollovers involved routine driving maneuvers” and 85% of “rollover-related fatalities are single-vehicle crashes.” Based on these statistics, driver behavior seems to play a crucial role in fatal rollover crashes.

At the same time that drivers are being implored to practice safe and attentive driving, automotive engineers are also eager to create new technologies to help increase roadway safety. Isn’t there some fancy device that could warn a driver when he drifts into the next lane? React when another vehicle is in his blind spot? Apply the brakes before a crash?

Pre-crash mitigation systems attempt to combat some of the common causes of automobile accidents through warnings and automatic adjustments. Such systems are the focus of research initiatives into roadway safety and include adaptive cruise control, forward collision warning, lane departure warning and side alert systems.

In a forward collision warning system, the vehicle’s system literally senses the distance between it and the vehicle or object ahead of it in the lane. Predicting the possibility of an accident by sensing the distance between slower moving and stopped vehicles ahead, it warns the driver when appropriate. If a crash occurs, the system initializes precautionary measures – such as pretensioning motorized safety belts and applying brakes. Indeed, active braking in the seconds before a collision can play a major role in crash energy reduction.

According to NHTSA, some 200,000 accidents every year are due to lane changes. To help reduce the number of these accidents, lane departure warning systems have been designed. They caution drivers when their vehicles leave their intended lanes. Using a monocular camera mounted behind the windshield, the lane departure warning system’s software programs estimate lane width and road curvature, determine the vehicle’s heading and lateral position and initialize a tactile, visual or audible alert to its driver when he or she crosses a line.

It’s not difficult to guess, then, what side alert systems do. Using infrared sensing and other technologies, such systems help drivers become aware of vehicles in side blind spots. In some models, these sensors are integrated into mirrors, taillights and side fascia. The side blind spot region is scanned for temperature changes to detect a vehicle, a visual indication can be given in mirrors, and, when necessary, an audible alert can be issued. The technology is so advanced, sensors ignore stationary roadside objects and are immune to noise.

Once an automotive engineer has cameras, IR sensors and radars on a car, there is an opportunity to imagine and develop many more products. And, as automotive engineers perfect these systems, they are likely to become more widely available to consumers.