Sabelt GT200 and GT300 Seats

HCF (HYBRID CARBON FRAME)

HCF is a construction of additional structural carbon which shape strengthens and stiffens the shell. The new result is a hybrid shell, part in carbon and part in fiberglass, particularly performance and safe, that represents a true new seats generation for technique, performance and market.

– The back carbon reinforcement (HCF) stiffens the entire shell improving resistance in case of side impact
– The shape of carbon structure has been designed to strengthen the areas subject to higher loads
– Reinforcing the most stressed areas had allowed composing a plybook that enlightens the remaining areas, with consequent weight saving on the total shell.

DOUBLE HARNESSES SLOT

Provides adjustment of the height of the harness making the seat absorb part of energy in case of impact.

Proper belt placement insures the seat edge is utilized during a crash rather than drivers shoulders. With this target we doubled the shoulder belt adjusting slots to better adjustment for various driver heights. In this way, in case of impact, the vertical force will be supported by the seat improving safety of the driver.

COOLING VENTILATION HOLES INTEGRATED IN BACKREST

External temperature and driving conditions of the driver are one of the critical areas in which FIA is working to improve safety of crews.

The back, in the lumbar area in contact with the seat is even more complex. It is thanks to ergonomic studies made for OEM that we tested a solution that includes seatback holes allowing for hot air exchange to improve driver and co-driver cooling.

Starting price = $1,222.00

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HCF (Hybrid Carbon Frame)

GT200 GT300 (Doppio Passcint icon 01)

Double harness slots

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Rear shot of the cooling slots in the lumbar area.

Olsen Motorsports with their GT-200 race seats in their 2015 WRX STi.

Brembo (General News) Sabelt

Brembo Racing RB340

One of the top teams participating in the FIA WEC series is Larbre Competition, one of the only teams in the world racing with the Corvette platform as a non factory effort in the top level of professional motorsport. For 2015, Larbre Competition is racing a C7.R in the FIA WEC series.

The FIA World Endurance Championship (WEC) is starting to become the leading series by many car manufacturers and their technical partners to showcase new technologies in the LMP (Le Man Prototype) & GT (Grand Touring) Classes. The FIA WEC features endurance races (6 hour races and the 24 hours of Le Mans) and is a global series racing at challenging circuits in the United States, Europe, Asia and the Middle East. Stiff competition between factory run and private customer teams in all the various classes means teams choose to work with only the best technical partners to have the most competitive advantage.

Larbre Competition won class honors with a Corvette C6.R at the 24 hours of Le-Mans in 2012 using Brembo Racing RB340 brake pads. Larbre Competition also finished the 2012 Le Mans 24 hour race without changing brake pads or loss of performance through the race.

Brembo’s RB340 material is unique in construction and the optimal performance is dictated by the energy of the brake system, not so much the disc or pad direct running temperature. This means the material offers excellent wear resistance, high initial bite, stable friction levels (the performance does not degrade as much at elevated temperatures) and good modulation in a wide range of conditions. The combination of wear resistance and high initial attack means the driver does not need to push the brake pedal as hard to achieve the same stopping power. This is easier on the driver and means a common material can be potentially used for long and short races.

Brake pads and fluid are two very small things that make a huge difference that most people overlook. Pads and fluid help fine tune brake system characteristics like initial response, fade resistance, and pedal consistency. For an endurance race such as a 24 hour race, one of the many critical factors is the wear resistance of friction materials to avoid doing brake pad or rotor changes as this can cost valuable time in the pits. If changing pads or brake discs can be avoided altogether, this is the most ideal scenario.

Photo: Brembo Racing, John Dagys/Sportscar365

BREMBO-RB340-3502   Dagys_-2015_382945

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PORSCHE 911 GT3 (991): BREMBO 2-PIECE TYPE III DISCS

PORSCHE 911 GT3 (991): BREMBO 2-PIECE TYPE III DISCS

Porsche’s 911 GT3 (991) is a demanding platform on the OE brake package with unique demands (475 horsepower, over 3200 lbs curb weight, and multiple electronic braking / traction aids). The Brembo OE brakes equipped on the Porsche 911 GT3 & Turbo models are some of the most sophisticated designed for an OE application. The Porsche Brembo OE brakes utilize 6-piston aluminum fixed monobloc calipers front and 4-piston aluminum fixed monobloc calipers rear. The brake discs are heavy duty 380 x 34 mm ventilated front & 380 x 30 mm rear brake discs. The Porsche 911 GT3 brakes use a wide annulus (radial depth) front and rear pad for maximum swept area. The OE pads are also 18 mm thick front and rear which is comparable to most high performance aftermarket calipers.

Generally speaking about later model 911 platforms: The GT3 has always been more demanding on the rear brakes due to aggressive rear brake balance while the Turbo models are generally more demanding on the front brakes. While the OEM specification Porsche brakes all look similar, the caliper piston sizes, hydraulic systems and car balance can be considerably different.

There are certain limitations with the OE components on any high performance application as they are designed specifically for the car manufacturers to their requirements of comfort, wear rates in various road environments, cost and serviceability.

As the braking system’s primary function is to dissipate heat, Brembo uses purpose-designed discs in order to increase the fade resistance and thermal capacity of the system. These discs are directionally ventilated for enhanced cooling and slotted for better performance and continuously refreshing the pad surface. Brembo 2-piece discs are made up of a proprietary advanced cast-iron alloy which offers an exceptional coefficient of friction and resistance to thermal shock and fatigue.

The same Brembo Racing discs trusted every weekend in professional motorsports are also utilized in the Brembo Performance Program (GT, GT-R & Race Systems).

GMG 991 GT3 with Brembo Type III 2 piece discs. Photo Credit : GMG Racing

GMG 991 GT3 with Brembo Type III 2 piece discs. Photo Credit : GMG Racing


BENEFITS OF BREMBO 2-PIECE DISC UPGRADES:

  • OEM INTEGRATION: Brembo 2-piece disc upgrades are designed to work seamlessly with the OE calipers and systems (manufactured by Brembo for Porsche). This guarantees the utmost in safety and seamless fitment.
  • LIGHTWEIGHT: Disc assemblies include an outer iron disc with aluminum bell/hat and provide decreased corner weights to improve vehicle dynamics including handling, acceleration, and braking.
  • TYPE III SLOT PATTERN: Extensively used in professional motorsports, the Type III slot pattern offers a high initial response with excellent release characteristics.
  • HIGH THERMAL CAPACITY: Greatly improved thermal capacity and heat management over OE discs and other aftermarket discs in the market. This also improves braking performance and allows for greater longevity of the components.
  • FRICTION MATERIALS: Everything we learn by supporting top professional racing teams throughout the world goes into selecting the best brake pad options for all levels of street, track and racing use.

PACKAGES INCLUDE:

  1. Outer Brembo Type III discs (qty 2)
  2. 6061 T6 aluminum (machined from billet), hard anodized bell/hat
  3. Complete Brembo disc hardware (D-type bobbin) w/ anti-rattle springs. (Full Floating Option Available Upon Request
GMG Racing 991 GT3 Equipped with Brembo Racing discs. Photo Credit: GMG Racing

GMG Racing 991 GT3 Equipped with Brembo Racing discs. Photo Credit: GMG Racing

BREMBO 911 GT3 (991) 2-PIECE DISC OPTIONS:

FRONT BREMBO 2-PIECE DISC OPTIONS: 911 GT3 OE IRON EQUIPPED

MSRP COMPLETE AXLE SET: $1,895.00
911 GT3 Front disc specifications:

–          380 x 34 disc – Lightweight
–          Type III slot type
–          20 mm air-gap (wide air-gap for overall brake disc weight reduction)
–          72 vane ventilation
–          21 lbs – disc ring
–          23 lbs – complete 2-piece disc assembly
–          Compatible with 911 Turbo (991) Models

911 GT3 Front “High Thermal” disc specifications:

–          380 x 34 disc – High Thermal
–          Type III or Type V “Endurance” slot type available.
–          17 mm air-gap (narrow air-gap for the brake disc to have extra thermal capacity and durability under higher brake demand conditions)
–          72 vane ventilation
–          23 lbs – disc ring
–          24.5 lbs – complete 2-piece disc assembly
–          Compatible with 911 Turbo (991) Models

REAR BREMBO 2-PIECE DISC OPTIONS: 911 GT3 OE IRON EQUIPPED

MSRP COMPLETE AXLE SET: $1,895.00

911 GT3 Rear “High Thermal” disc specifications:

–          380 x 30 disc – High Thermal
–          Type III slot type
–          16 mm air-gap
–          48 vane ventilation
–          20 lbs – disc ring.
–          22 lbs – complete 2-piece disc assembly
–          Compatible with factory braking brake (e-brake)
–          Compatible with 911 Turbo (991) Models

PORSCHE 911 GT3 (991) OEM DISC WEIGHTS – FOR REFERENCE:

– Front, 380 x 34: 24 lbs
– Rear, 380 x 30: 23.4 lbs

PORSCHE 911 Turbo (991) OEM DISC WEIGHTS – FOR REFERENCE:

– Front, 380 x 34: 27.8 lbs
– Rear, 380 x 30: 24 lbs

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2015 BREMBO RACING AND PORSCHE MOTORSPORTS INVOLVEMENT:

Brembo Racing works very closely with Porsche Motorsport as a technical partner on multiple factory motorsport programs. Some of these include, but are not limited to, the 2015 spec Porsche 919 Le Mans Prototype program for the LMP class and the 911 (991) RSR for the GT Class. The 919 Hybrid is Porsche Motorsport’s latest fully factory supported effort since 2014 and features various cutting edge technologies which will eventually be carried through to road going vehicles.

LMP Class:

For 2015, to be competitive in the top prototype class, the Porsche 919 Hybrid has been re-engineered from the ground up. One of the many key changes is a Brembo Racing carbon brake package to maximize braking performance and reliability since the new 2015 model has an upgraded chassis, aerodynamics and has more power compared to 2014.

Brembo Racing Porsche 919 brake package:

Brake Calipers: Brembo Racing motorsport calipers.
Brake Discs: Brembo Racing carbon-carbon brake discs.

2015 Porsche 919 Hybrid LMP1 Car. Photo Credit: Porsche AG

2015 Porsche 919 Hybrid LMP1 Car. Photo Credit: Porsche AG

GT Class:

Porsche’s 911 (991) RSR is built to compete at the 24 hours of Le Mans and is the most sophisticated GT racing sports-car offered by Porsche Motorsport unlike the Cup Cars designed generally for customer / private teams. The 991 RSR is also specified with a Brembo Racing cast iron brake package. Teams can choose disc and pad configurations based on their individual car balance, setup, circuit and brake demand.

Brembo Racing Porsche 991 RSR brake package:

Brake Calipers: Brembo Racing motorsport calipers (6 piston – front, 4 piston – rear)
Brake Discs: Brembo Racing 380 mm and 355 mm cast iron brake discs.

Brembo is the OE brake supplier to Porsche, offering Performance upgrades for the various 991 platforms (Carrera S, GT3, Turbo models) using similar components and technology developed for professional motorsport.

MOTORSPORTS IMAGERY
Photo Credits: James Boone, Porsche Motorsport

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The Advantages of Cross Drilled and Slotted Discs

This article was originally posted by Modified Magazine. Click here to read it.

We’ve received quite a few emails lately asking us to explain what the advantages are of cross-drilled and slotted rotors, as compared to the blank rotors most cars come standard with. We’ve also had requests to explain why many slotted rotors these days have curved or J-hook shaped slots, rather than straight slots. Rather than giving you the Wikipedia answer, we went right to the source by once again contacting Mark Valskis at Brembo North America (some of you will recall his contribution to the big brake kit Tech Talk story in the May ’11 issue).

As most of you already know, the basic function of a brake disc is to provide a mating surface for the brake pads so that when you stomp on the brake pedal the friction material that makes up the pad is squeezed against the rotors (by the calipers), converting forward motion into heat as the car slows. That heat is then radiated to the atmosphere as air flows over and through the rotors (and the rest of the braking system), completing the conversion of kinetic energy into thermal energy.

According to Mark at Brembo, cross-drilled rotors came into being because of the need to evacuate gases or water from the interface between the disc face and the brake pad surface. As Mark further clarified, “Modern brake pads don’t have an issue with out-gassing like they did many years ago, but the cross-drilling is still helpful for use in wet conditions, especially when the pad surface area is large. Additionally, cross-drilling increases the surface area of the disc, and this aids in disc cooling (one factor in brake disc cooling is the ratio of surface area to disc mass). The most significant feature of the holes (when done correctly) is that they continually refresh the brake pad surface, providing improved performance and greater disc life. As the holes pass the brake pad they essentially clean the surface, helping to prevent pad glazing or hardening. This effect can be easily observed on a drilled disc near the outer edge where there are no holes. In this area, the pad surface is not refreshed and you will typically see greater disc wear in this unswept area.” It’s also worth noting that this type of pad refreshing by cross-drilled and/or slotted rotors helps maintain more consistent frictional performance.

Rotor Education Tech Talk Cad Drawing
These CAD drawings of a slotted and ventilated Brembo brake disc illustrate just how compl
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Some of you may not be fans of cross-drilled rotors because you’ve seen cracks in the disc surface radiating out from the drilled holes, but as Mark points out, not all drilled discs are created equally. “Brembo has a long list of requirements for drilled discs. First, the holes are not just simple cylindrical holes. They have a more complicated shape that requires special tools to create. We also have strict requirements on hole density or the number of holes per given surface area of the disc. Additionally, there are requirements for the hole size and placement of the holes, including distance between holes, distance from braking surface edges, distance to disc vanes, angular offset of holes and more.”

But even with the highest quality cross-drilled discs, there can be issues with thermal shock and fatigue around the holes when using very aggressive racing brake pads. As Mark explained, “Slotted discs were developed to provide the benefit of refreshing the pad surface, while being able to be used with top-level racing friction materials. Drilled discs provide the same benefit [refreshing the pads], but also increase the cooling of the brake disc. With top-level racing materials, the heat input is very rapid and the increase in localized cooling around the holes can cause issues.” So slotted rotors were developed as a solution to a very specific problem associated with extremely aggressive friction material normally associated with racing, though if you’re anything like me and run some pretty aggressive brake pads on the street as well as at the track, then slotted rotors may be the right choice for your car.

Rotor Education Tech Talk Cross Cut
These CAD drawings of a slotted and ventilated Brembo brake disc illustrate just how compl

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As for the shape of the slots, Mark had this to say: “The different design of the slots is due to extensive research and development, including [brake] dyno testing. Due to the fact that track testing is required, and thanks to strong collaboration with many top-level racing teams, Brembo has developed a very broad knowledge of the many different types of slot shapes possible when machining discs.” Since this type of extensive R&D is really outside the scope of all but the biggest brake system manufacturers, a lot of what you’re seeing in the aftermarket are companies copying what leaders like Brembo are doing with respect to slot shape, slot spacing, slot depth and so on.

Ultimately, the slots are all designed to do the same thing (refresh the brake pads), but different shapes no doubt impact the aggressiveness with which the pads are refreshed and also likely affect localized cooling of the disc. And speaking of cooling, the internal structure of ventilated rotors plays a very important role here. “The mass of the disc is the determining factor in how much energy the disc can absorb, while the design of the internal geometry helps improve the disc’s ability to shed the heat,” Mark explains. “The key factor in the use of a vented disc versus a solid disc is the increase in the ratio of disc surface area to mass. Heat transfer to the air occurs only on the surfaces of the disc that are directly exposed to air; so the more surface area, the better the disc can shed the heat.”

Rotor Education Tech Talk Display Model
This NASCAR braking system provides some interesting insight into disc slot design – note

As for the internal vane structure of a ventilated disc, Mark adds: “There are limitless internal vane structures that are possible. Design of the vane structure has a dramatic effect on the performance of the brake disc. Some designs, such as directional curved-vane discs actually improve the airflow through the disc by turning the disc into a centrifugal pump. However, the cost of implementing this is increased due to the need for unique left- and right-hand discs. Brembo has patented a ‘pillar vane’ internal geometry that provides nearly all the airflow advantages of the curved vane discs while being able to use the same disc on both the left and right sides of the vehicle.”

Who knew so much technology goes into these seemingly simple iron discs (the material composition of brake rotors being a topic for another month). But when you consider just how vitally important the braking system is to safety and performance, it shouldn’t come as a surprise that industry leaders like Brembo are constantly looking for ways to improve the design of their brake discs.
Rotor Education Tech Talk David

Send your feedback to dpratte@modified.com

Read more: http://www.modified.com/tech/modp-1111-rotor-education-tech-talk/viewall.html#ixzz27PLW71oM

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“Super Mario” from TSR Fabrication in Gardena, CA

One cool thing about working with the Brembo brand is the people that it attracts. These are the types who are drawn to having the best, and they don’t compromise on anything which also exemplifies the type of work they do. One such person is die-hard Brembo fan Mario Lozano aka “Super Mario” from TSR Fabrication in Gardena. Most know his name in the Datsun 510 community, but his personality goes beyond Datsun’s, and you can see the artistry and passion he has come through everything he builds or fabricates (Nissan, Porsche, etc). To see more of his work, click on the links below:

Here’s some articles on him:

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Brembo CCM-R (Carbon Ceramic for Racing)

The Brembo CCM-R disc is a product of many years experience accumulated by Brembo in the field of carbon brake materials used in F1, combined with the expertise acquired by the company in CCM applications for road use.

The main advantages of the Brembo CCM-R disc are:
– considerable saving in weight, compared to cast iron (̴ 5kg each wheel assembly);
– high thermal conductivity;
– durability and versatility characteristic of carbon ceramic material for road use (disc life 5 times longer);
– friction 10% better than cast iron (comparison made using the same pad compound);
– operating temperature 5% lower.
Selected materials and original processes, researched and optimized to produce the Brembo CCM-R disc — and incorporating the newest technologies applied to carbon ceramic discs — have resulted in a product with superior engineering features.

CCM-R for the Nissan GT-R (R35)

Brembo Press Release (PDF): CCM-R-Disc_14-01-2010
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