engine is device which converts one form of energy in to another form of energy ok fan and linght does same work can it to be called as engine

Hello, everybody! My name is Will Smith and I am a motor racing addict. I am always preparing for the chance to turn the screws or even design the screws of a professional racing car. In particular, I am most interested in F1 and WRC, but I cannot get anough of any of it! I got my feet wet designing 2 cars in the UCI formula SAE program, where I worked on aerodynamics and powertrain. I graduated in 2007, taking a degree in Mechanical Engineering, with a specialization in control systems. I got my professional start in motorsports engineering designing tube chassis's and suspension components for the likes of Terrible Herbst, Porter, and Robby Gordon. (to name a few) Soon after I took a position at Rancho suspension, again designing suspension systems, but the lack of motorsports involvement caused me to take my skills elsewhere. Having a few cars under my belt, I decided something in the power department was in order, so I joined Professional Products as their product development engineer. That position was short-lived, as an offer from a more motorsport oriented company came to my attention that I could not refuse. The company was Alpinestars, for whom I am currently a product engineer, designing motorsport protection devices. Stewart Davis, who I met while employed at Professional Products, (it was his vacated position I had accepted, actually) steered me towards this site. Hi Stewart! My interests/skills? Motorsports Engineering CAD/CAM/FEA/CFD Composites Additive Manufacturing my soon-to-be shifter kart Racing my WRX (on the twisty track, of course;)) Looking for a volunteer for your racing team? Send me a PM!

Most of us are fond of the two wheelers. Aren’t we? There are however several small and big parts of the bikes about which we seldom have any sort of knowledge. And we get to realize this crisis only when there is some sort of damage caused to the bikes. In addition, these parts and the subsequent mechanism becomes all the more complex as it comes to the motorbikes designed and used for the purpose of racing. One very vital factor in terms of the parts and mechanism of the motorbikes used for the racing purpose are the suspensions. Suspension in the motorbikes is mainly present in order to absorb the various imperfections or undulations present in the roads. It ensures most importantly that the tires must keep contact with the road for proper frictional activities that would in turn avert accidents. Most bikes suspensions have a spring attached to it which are similar to that of the spring mechanisms that are present on the pens, trampoline or on the mattresses but are essentially much stronger than them. To avoid the spring from making the tires bounce, the “dampers” are controlling the rate at which the spring moves up and down. Dampers are sometimes referred as the “oil filled bicycle pumps”. The pump will move accordingly faster and slower depending on the hole size. By referring to the hole, it is meant that whole where the oil is being pumped through and on the thickness of the oil. All the motorbikes have both dampers and springs fitted to them for the desired performance. There is also a mechanism called the ‘front forks’ mechanism where the bike has a spring outside the damper present on the rear wheel that is also known as the ‘rear shock’. However, the front wheel suspension has springs within the dampers that cannot be seen. You must nevertheless remember that the suspension of the rear and the front wheel are independent from each other and reacts differently to the riding conditions and on the road. The suspension of motor vehicle can be mainly divided into two main types- the front end and the back end suspension. The front-end suspension is the derivation f the technology called the ‘girder fork’. Today, the technology is named the ‘modern telescopic fork front suspension systems’. The technology was one of the earliest inventions for controlling the front wheel of any motorcycle, and thus, keeps away any problems of the bike’s front wheel at bay. However, this technology has one serious disadvantage, as the limitation of the movement is fixed while it is working; it changes the effective wheelbase of the motorbikes continually. If the motorbike hits a bump, the front wheel instantly moves up and the back, which is again relative to the frame. Thus in the process, the wheelbase is shortened. Shorter wheelbase ensures less stability when the bike is in motion, which is one of the reasons for people getting into tank slapper or any other modern motorbike. There is also the back end suspension that you need to keep in mind. However, there are different modifications of the back end motorbike suspension. The first type of back end suspension is the twin-shock, regular swingarm suspension, which is a regular motorbike ‘suspension system’. In this, an H shaped swingarm remains pivoted at the front of the motorbike frame. The main drawback of this design is that it is not incompatible with the modern considerations and got a blendy and flexible under the tough riding conditions. However, with the addition of the metal, the efficiency of the suspension is actually reduced. Another version is the monoshock, older style, regular swingarm. Some more of the versions are the monoshock, newer style, regular swingarm and the monoshock, single-sided swingarm.

Hi all, Well, I need a book dedicated to this subject or I need a book with a really descriptive chapter about this field. I have been looking around and found a few books. It needs to be fuel tanks on road cars. If anyone knows of any textbooks that you recommend please let me know! Thanks :)

hi, im currently having an argument with someone, hopefully i can resolve it here! Imagine the following scenario. Take 2 cars, both controlled by robots, travelling at 100mph each. They both have to slow down to 0 in the fastest time possible. One can only use the brakes to slow down (i.e. engage the clutch and keep it engaged until the car comes to rest, so no engine braking is being utilized), and the other robot can use engine braking and go down the gears to come to a halt. Robots are being used so that the robot could adjust the brake pressure hundreds of times a second, faster than a human. He is saying this - that in this scenario, the 1st robot would be able to slow the car down as fast, and therefore as effectively, as the second robot. I'm saying this is completely wrong, and that the second robot would win, and my reason is because of this: The optimum point of braking ability is the point just before the wheel locks up. This optimum point occurs more frequently changing down the gears, or rather it gives more opportunity for this optimum point to occur, more regularly than if you were to just use the brakes - due to the fact that it will get to a point where, as you begin to slow down and travelling at a slower speed, that optimum point threshold gets higher and higher, to the point where trying to lock the brakes up at a slow speed is unachievable when ONLY using brakes, even at maximum brake pressure. Whereas using engine braking means you can stay still stay in that locking zone, even at slow speed. who is right? and what is the physics regarding load, and transfer of load/weight/mass etc..etc... im happy to be told im wrong, and so i'd appreciate an explanation for that also. thanks

No one would perhaps contest the statement that ours is an age dominated by technological advances in all spheres of life. No wonder, this spree of technical advances has also spread its tentacles into the realm of motor sports. There are a whole lot of mechanical engineering technologies that are applied to the motorbikes that are used for the racing purposes. The mechanical engineering technologies are applied to the racing motorbike because they make the motorbikes safer and take care of the safety and the security of the bikes. Needless to say, this aspect of security is extremely important as it comes to racing as racing inevitably involves lightening fast pace. Besides, these implementations also allow us to enhance the overall performance of the motorbikes. This includes the all-important aspect of speed as well. Various mechanical technologies are applied to the various parts of the motorbikes and are responsible for the inclusion or addition of the new technologies that are added to the various parts of the motorbikes. Take for instance there is an elaborate application of the mechanical engineering in the motorbikes tire safety system. Today, with the increase interest in the motorbike racing, the tire pressure monitoring is gaining popularity. The concerned administration has made it mandatory for the new passenger cars and lightweight trucks about the tire monitoring. However, one must remember that the adequate tire pressure is considered a serious issue when it comes to motorbikes. This is because there is no adequate security against accidents for the rider in the case of a motorbike racing. It is possible to have many serious accidents while on the run in the case of motorcycle racing. It has been however found by the motorbike racing authorities that most of the motorcycles that are run on the tracks are under-inflated. The supplier of the “tire pressure monitoring system” has also clarified this. This is a fact today. Nevertheless, the under-inflated tires have benefits of their own and it has a big potential on the safety measures of the biker in motorbike racing. It also has a greater impact o the tire life and is secure in case of the fuel economy. Moreover, it has to keep in mind that the under-inflation of the tires also affects handling and braking. It is estimated that the under-inflation of the tires reduces the life of the tire by a third and the added rolling resistance signifies lower gas mileage. The modern structural changes in the tires have made it sure that the design changes on the tire pressure sensors in case of the four wheeled vehicle is also accommodating the motorcycle rings. As we know that the truck and the heavy four wheeler tires uses the flat bottom rims for its tires, the modern manufacturers have took to redesign the ‘sensor housing’ for fitting it into the round shaped wheels of the motorcycles. The unit is normally attached top the rim with a tough steel band. The housing holds the MEMS pressure sensor, a battery, temperature sensor and a RF antenna all neatly packed in a package. The components are intentionally potted in resin that actually adds to the increase in strength on the package. The sensor actually activates at five miles per hour. The mechanical unit monitors and measures the pressure at every seven seconds and transmission of the data takes place every five minutes. According to the set up a yellow light for warning is activated at the two alert thresholds. These alert light functions when the tire loses 15 percent and 25 percent of the inflation pressure.

Hello everybody, at the end Lewis Hamilton became world champion ! The season we left showed us a close battle for the championship: we don't know who was champ until the last 3 turns, about, I don't know, 400 meters, really unbeliveable ! Scuderia Ferrari won the Constructor Championship, even if have been suffered much reliabilty problems, i.e. engine failure in Hungary and in Valencia. Is the beginning of a new era ? About the car's design for sure, but about the drivers ? Could Vettel, or Massa itself, Raikkonen, Kubica, Alonso made an attemp on the Lewis' title ? I can only say that the last GP was really exciting, with much pathos, like we don't see from many years. LMcQ

In the super fast world of motorsports, a fraction of a second’s error could mean winning the race; or crashing out of it. Such an extreme scenario just goes to show how vitally important it is to keep the driver safe at all times, if not the machine. Racing cars and bikes are rigged with a host of safety features that ensure that the driver comes out of any accident unhurt, if there were one to occur. Engine failure during any race translates into a potentially deadly situation for the driver or the rider, because even though racing drivers are trained to react unbelievably fast to any situation, an engine failure is out of their control. Safety engineering gives the driver more confidence during a race, and of course ensures that the car or bike is recovered from any sort of collision or crash during the race. Legendary drivers of the yesteryears have often met with unfortunate accidents; at a time when advanced technology for safety engineering was not available. Today, before the start of any race, the safety equipment is investigated thoroughly to ensure that car is safe to run at high speeds on the race tracks, and the driver stays unhurt during any major accident. The racing associations spend millions on testing, design, development of the racing engines, and on safety engineering. In the highly competitive world of motorsports, every competitor tries to outdo the other by pushing the boundaries of perfection, which means that there are high stakes on the table, when it comes to the engine performances during a race. A single component failure could translate into losing the race, which in turn means a loss of millions for the racing team. There are cutting edge measuring instruments which are used to determine the efficiency and the performance of the engine, along with computer aided simulation research on how the engine would fare on the actual race track. Such ultra-modern testing devices are not only essential for the boosting of the engine’s performance, but also an essential requirement for engine safety. There are extremely dangerous hypothetical situations of the engine blowing up in the middle of the race due to internal problems, which expose the driver to serious injury risks. Safety engineering in the world of motorsports takes in its purview virtual testing of the race car or bike on a computer simulated platform, tyre check at high speeds, aerodynamic design testing, and automated built in systems that keep the driver safe during a critical situation. Virtual simulated tests are crucial when it comes to the assessment of the car or bike configurations for the race. The racecar reaches on an average of 250-300 k/hr, which means that the tyre configurations must be tested for optimal performance on track; otherwise they are going to wear out and cost valuable time for the driver. There are important fuel-engineering processes that make sure that the engine is able to meet high endurance races, where failure of the same is just not acceptable. The most important aspects of safety engineering incorporate the design of the chassis, which is built out of extremely strong multiple layered materials subjected to extremes of temperature and pressure to form a tough shield; ensuring that the driver walks away from even a devastating impact. No racing car leaves for the track without certified safety tests, which includes assessment of the safety cells, among other things. The research and development of the aerodynamic design and safety features on the chassis of a race car or bike, is probably the most expensive areas of motor car and bike racing, and is rightly so; because you can always build a new car or bike, but you can never replace the human who drives it.

Peter Windsor recently reported that Scuderia Toro Rosso (STR) use a different gearbox case to the RedBull Racing (RBR) car. Reportedly he said it was slimmer to allow more air over the diffuser. I know they use the same seamless gearbox cluster and that RBR use a cast aluminium case. But from what I’ve ever seen of the STR03 and RB4 they are identical aside from the engine and some of the newer aero details not appearing on the STR03. I didn’t believe that STR had any design capacity at their Faenza factory since the Red bull buy out? It doesn’t make sense that Red Bull Technologies (the company that design the pairs cars) has designed a case specifically for the STR03, the Engine Regs demands a fixed crank shaft centre height, so it can’t for packaging reasons on the Ferrari engine. Has anyone any insight into this? Scarbs

Hi all, I need a scaled rule for my engineering drawings at university. What make of rule do you recommend for scaled drawings? Need some advice. Thanks :)