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The H2 Big Kart radiator is the brand new model developed by AF RADIATOR, designed to offer a Maximum engine cooling during the most demanding climatic conditions. It is equipped with the system Bi-flow, allowing a perfect cooling thanks to the Forced recirculation of "U" shaped liquid, combined with a Extra Light radiator mass more important and more efficient than that of the standard H1 model.
This specific design makes it possible to retain a volume of upper water inside the radiator, thus guaranteeing an excellent stability of the engine temperatures, especially during the very hot periods of the year.
Despite its increased cooling capacity, the radiator H2 BIG retains a mastered weight of only 2.25 kg, offering an excellent compromise between thermal performance and total mass of the kart.
The system Bi-flow Ensures optimized circulation of coolant:
Internal recirculation in "U" for homogeneous heat dissipation
Increased liquid retention for upper thermal inertia
Stable engine temperatures over long distances
Efficiency enhanced by extra light, larger than on the H1
The H2 BIG radiator is specially designed for highly solicited engines and high ambient temperatures.
The H2 BIG radiator is designed for Karting engines and recommended for all categories:
OK
Kz
It is widely used and recommended in national and international competitions such as Karting Championships, Italy Cup, Italy Championship, the European Championship, the World Championship, as well as WSK, ACI and FIA events.
Summer
This model is particularly suitable for high heat conditions and very demanding cooling circuits.
Dimensions: 435 × 290 × 48 mm
Weight: 2,25 kg
The H2 Big radiator comes complete with:
Plastic plug
CNC machined aluminum supports, machined in the mass
Supports available in Silver, blue and red
Very high performance engine cooling
Excellent thermal stability by strong heat
Water capacity greater than model H1
Optimized weight despite a larger volume
Excellent value for money
Suitable for high level competition
To ensure optimal performance and maximum reliability, it is recommended to entrust the assembly and commissioning of the radiator to a karting professional, especially in a competitive setting.
| Model | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Mark | AF RADIATOR | AF RADIATOR | AF RADIATOR |
| Positioning | Versatile | High performance heat | Top of the range |
| Utilization | Competition / training | Intensive competition | High level competition |
| Categories | OK / KZ | OK / KZ | OK / KZ |
| Criterion | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| System | Bi-flow | Bi-flow | Flow optimized by geometry |
| Traffic | "U" recirculation | "U" recirculation | Large radiation surface |
| Radiant heart | Light | Extra Light (increased volume) | High efficiency |
| Goal | Thermal stability | Maximum cooling by high heat | Absolute thermal performance |
| Element | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Cooling capacity | Very good | Excellent | Very high |
| Temperature stability | Very good | Excellent | Excellent |
| Hot conditions | Good | Very high | Very high |
| Retention of water | High | Very high | Optimized |
| Given | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Dimensions | 435 × 242 × 48 mm | 435 × 290 × 48 mm | 440 × 300 mm |
| Weight (kg) | 1.94 kg | 2,25 kg | Non-communicated |
| Criterion | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Aerodynamic study | Optimized | Optimized | Advanced |
| Air resistance | Low | Low | Very weak |
| Adapted high speeds | Very good | Very good | Excellent |
| Equipment | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Cap | Plastic | Plastic | Included |
| Media | CNC aluminum | CNC aluminum machined in the mass | Standard accessories |
| COLORS MARKETS | Blue / silver / red | Blue / silver / red | Standard |
| Season | H1 standard | H2 Big | Af2 |
|---|---|---|---|
| Spring | Recommended | Recommended | Recommended |
| Summer | Possible | Recommended | Recommended |
| Autumn | Recommended | Recommended | Recommended |
| Winter | Recommended | Possible | Possible |
H1 standard
Lightweight and versatile radiator, ideal for a wide range of climatic conditions, offering excellent value for money.
H2 Big
Radiator designed for strong heat, with a superior water capacity and cooling, recommended for summer competitions and demanding circuits.
Af2
High-end radiator for drivers looking for the Maximum thermal performance and an Aerodynamics Advanced, particularly effective in very high level competition.
To ensure optimum efficiency and maximum reliability, it is advisable to entrust the assembly of these radiators to a karting professional, especially in a competitive setting.
piston TM Racing 10085 Represents the elite of engine technology for KZ categories. Designed specifically for the last generations of engines (KZ10C until R2), this model to Flat sky (zero degrees) is the absolute weapon to optimize combustion. Equipped with a Eightened segment of 0.8 mmIt drastically reduces internal friction, releasing more power at high speed.
The Valve box cover (or intake conveyor) of 29 mm is the major technical evolution of the X30 engines since 2018. Located between the carburetor and the pyramid of valves, its role is to "guide" the vein gas aerodynamically. Its 29 mm inner conduit is perfectly aligned with the new carburetors, eliminating turbulence for more frank acceleration and maximum engine fill.
The game of 0.30 mm fiber valves is the standard for motorizations Iame. Unlike carbon which is more rigid, the fiberglass in 0.30 mm offers excellent reactivity to the opening, which greatly promotes the Couple at low and mid-speed. It is the ideal choice for winding tracks where the turn output revival is crucial, or for pilots seeking a more stable and less sensitive carburation.
The Complete flap box with carbon flaps is designed for karting engines IME X30 and Ka100. Key element of the intake system, it allows to regulate the air-fuel flow entering the engine to optimize the response to acceleration and overall performance.
The H2 Big Kart radiator is the brand new model developed by AF RADIATOR, designed to offer a Maximum engine cooling during the most demanding climatic conditions. It is equipped with the system Bi-flow, allowing a perfect cooling thanks to the Forced recirculation of "U" shaped liquid, combined with a Extra Light radiator mass more important and more efficient than that of the standard H1 model.
This specific design makes it possible to retain a volume of upper water inside the radiator, thus guaranteeing an excellent stability of the engine temperatures, especially during the very hot periods of the year.
Despite its increased cooling capacity, the radiator H2 BIG retains a mastered weight of only 2.25 kg, offering an excellent compromise between thermal performance and total mass of the kart
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