Brembo 2pc Rotor Upgrade - Whats The Story?
#1
09-23-2011, 05:34 PM
Brembo 2pc Rotor Upgrade - Whats The Story?
If you are a reader of our blog, you will know we are a huge proponent of the Brembo 2piece brake rotors for the Porsche vehicle. Brembo as a whole is one of the best brake producers because of their components used and engineering. The same discs raced on every weekend in World Challenge, Grand Am, ALMS, NASCAR, World Rally, and more are utilized in the Gran Turismo GT and GT-R Brake program. As Brembo begins to further its application list of OEM 2pc replacement rotors, we thought we would share some indepth detail on what makes these the right brake rotor for you.
Brembo 2-piece discs are made up of an advanced cast-iron alloy which offers an exceptional coefficient of friction and resistance to thermal shock and fatigue. As the braking system's primary function is to dissipate heat, larger, more sophisticated discs are used in order to increase the fade resistance of the system. These discs are directionally vented for enhanced cooling, as well as drilled or slotted for improved consistency, continuously cleaning and refreshing the pad surface. Through Brembo's comprehensive understanding of materials and advanced design capabilities, Brembo's 2-piece discs are designed to be as lightweight as possible without compromising strength or longevity. Achieving this level of design is a capability that sets Brembo apart. In fact, on the Porsche 350mm replacement rotor, there is a 3lb per corner weight savings versus the OEM.
By manufacturing the center section out of precision milled billet aluminum, a great deal of weight can be saved in this key location. This reduces both unsprung and rotating weight which benefits handling, acceleration, and overall vehicle dynamics. Superior metallurgy and exceptional engineering allow Brembo discs to exceed in the most demanding conditions. Their advanced cast iron alloy lasts longer than any disc in the high performance and racing market. Brembo's proprietary floating hardware system permits a specific amount of radial and axial float which allows the disc to grow independent from the bell, averting thermal distortion when subjected to extreme temperatures. It also preloads the disc assembly to prevent premature wear and eliminate noise during street use. You will find that in comparison to other claimed 2pc rotors, Brembo offers a proven design where only the disk is the consumable item and you never have to replace the hat.
Brake systems are designed to operate best within a prescribed temperature range. While modern high performance friction materials broaden this temperature range, it is critical that the brake disc in a system has adequate thermal capacity. Thermal capacity, or heat storage capacity, is determined by how much weight or mass is located in the outer ring section of the disc. This is the area where the friction surface of the disc meets the internal vanes. The more mass located in this area, the more thermal capacity a disc has.
Different Style of Rotors
CROSS DRILLED
The curved vane disc is directional, and curved vane disc must be installed with the vanes running back from the inside to the outside diameters in the direction of rotation. Orienting the disc in the manner creates a centrifugal pump. The rotation of the disc causes air to be pumped from the center of the disc, through the vanes, and out through the outside diameter of the disc. This greatly enhances the disc’s ability to dissipate heat. It is a popular misconception that the cross drill pattern determines the direction of rotation of the disc. In truth, for an internally vented drilled disc, the geometry of the vanes dictates the direction of rotation.
View all Brembo Big Brake Kits Here and also view the Brembo 2pc Replacement Porsche Rotors Here.
---Brembo at a Glance---
Brembo uses its own foundries in the industrial process, whereby bringing a thorough knowledge of metallurgy to its design know-how which also creates further synergy in the optimization of the production cycle. The research and development phase is flanked by the testing phase which involves static, comfort and road testing and dynamic tests on test benches. Brembo brakes are manufactured under quality and environmental ISO 9004 and ISO 14000 management standards which puts Brembo in a league of its own in high performance braking. The Brembo High Performance (HP) Program is the direct result of winning over 200+ World Championships and decades of designing brake systems for the world’s top supercar manufacturers.
Brembo Dominated Motorsports: Formula 1, World Rally Championship (WRC), NASCAR, Champ Car World Series, Indy Racing League (IRL), American Le Mans Series (ALMS), Grand Am Rolex Sports Car Series, Speed World Challenge, and FIA GT Championship. Brembo has a unique relationship working directly with automotive manufacturers to develop high performance braking solutions specifically for your vehicle. You can rest assured that every system designed by Brembo is specifically tuned for your vehicle like no other braking system on the market. Brembo supplies over 30 automotive manufacturers including Acura, Aston Martin, Audi, BMW, Cadillac, Chrysler, Dodge, Ferrari, Ford, General Motors (GM), Honda, Infiniti, Jaguar, Jeep, Lamborghini, Land Rover, Lexus, Maserati, Mercedes-Benz, Mitsubishi, Nissan, Porsche, and Subaru.
Brembo 2-piece discs are made up of an advanced cast-iron alloy which offers an exceptional coefficient of friction and resistance to thermal shock and fatigue. As the braking system's primary function is to dissipate heat, larger, more sophisticated discs are used in order to increase the fade resistance of the system. These discs are directionally vented for enhanced cooling, as well as drilled or slotted for improved consistency, continuously cleaning and refreshing the pad surface. Through Brembo's comprehensive understanding of materials and advanced design capabilities, Brembo's 2-piece discs are designed to be as lightweight as possible without compromising strength or longevity. Achieving this level of design is a capability that sets Brembo apart. In fact, on the Porsche 350mm replacement rotor, there is a 3lb per corner weight savings versus the OEM.
By manufacturing the center section out of precision milled billet aluminum, a great deal of weight can be saved in this key location. This reduces both unsprung and rotating weight which benefits handling, acceleration, and overall vehicle dynamics. Superior metallurgy and exceptional engineering allow Brembo discs to exceed in the most demanding conditions. Their advanced cast iron alloy lasts longer than any disc in the high performance and racing market. Brembo's proprietary floating hardware system permits a specific amount of radial and axial float which allows the disc to grow independent from the bell, averting thermal distortion when subjected to extreme temperatures. It also preloads the disc assembly to prevent premature wear and eliminate noise during street use. You will find that in comparison to other claimed 2pc rotors, Brembo offers a proven design where only the disk is the consumable item and you never have to replace the hat.
Brake systems are designed to operate best within a prescribed temperature range. While modern high performance friction materials broaden this temperature range, it is critical that the brake disc in a system has adequate thermal capacity. Thermal capacity, or heat storage capacity, is determined by how much weight or mass is located in the outer ring section of the disc. This is the area where the friction surface of the disc meets the internal vanes. The more mass located in this area, the more thermal capacity a disc has.
Different Style of Rotors
CROSS DRILLED
- Cross drilled discs run at slightly lower temperatures due to added air flow through the surface of the disc where heat is generated.
- They are also highly effective in wet conditions and shedding debris from the disc to ensure a clean braking surface.
- Improve pad “bite”, improve wet weather performance, continuously refresh the brake pad
- Slotted discs are recommended when using race pad materials or compounds. the vehicle is submitted to extreme braking duties such as towing or hauling heavy loads.
- Improve pad “bite”, improve wet weather performance, continuously refresh the brake pad
The curved vane disc is directional, and curved vane disc must be installed with the vanes running back from the inside to the outside diameters in the direction of rotation. Orienting the disc in the manner creates a centrifugal pump. The rotation of the disc causes air to be pumped from the center of the disc, through the vanes, and out through the outside diameter of the disc. This greatly enhances the disc’s ability to dissipate heat. It is a popular misconception that the cross drill pattern determines the direction of rotation of the disc. In truth, for an internally vented drilled disc, the geometry of the vanes dictates the direction of rotation.
View all Brembo Big Brake Kits Here and also view the Brembo 2pc Replacement Porsche Rotors Here.
---Brembo at a Glance---
Brembo uses its own foundries in the industrial process, whereby bringing a thorough knowledge of metallurgy to its design know-how which also creates further synergy in the optimization of the production cycle. The research and development phase is flanked by the testing phase which involves static, comfort and road testing and dynamic tests on test benches. Brembo brakes are manufactured under quality and environmental ISO 9004 and ISO 14000 management standards which puts Brembo in a league of its own in high performance braking. The Brembo High Performance (HP) Program is the direct result of winning over 200+ World Championships and decades of designing brake systems for the world’s top supercar manufacturers.
Brembo Dominated Motorsports: Formula 1, World Rally Championship (WRC), NASCAR, Champ Car World Series, Indy Racing League (IRL), American Le Mans Series (ALMS), Grand Am Rolex Sports Car Series, Speed World Challenge, and FIA GT Championship. Brembo has a unique relationship working directly with automotive manufacturers to develop high performance braking solutions specifically for your vehicle. You can rest assured that every system designed by Brembo is specifically tuned for your vehicle like no other braking system on the market. Brembo supplies over 30 automotive manufacturers including Acura, Aston Martin, Audi, BMW, Cadillac, Chrysler, Dodge, Ferrari, Ford, General Motors (GM), Honda, Infiniti, Jaguar, Jeep, Lamborghini, Land Rover, Lexus, Maserati, Mercedes-Benz, Mitsubishi, Nissan, Porsche, and Subaru.
Last edited by vividracing; 09-23-2011 at 06:02 PM.
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