Is it possible to criss-cross the kart seat support brackets? Drivers, engineers and experts in the sector clarify this and other doubts of karting enthusiasts.
Seat brackets should never be criss-crossed
Former driver, long-time mechanic, Ferrari test driver, engineer, as well as "masked” (and “un”masked) driver for TKART. A man who is certainly not lacking in experience and know-how.
The brackets that support the seat, attaching it to the bearing cassettes, are important elements in the set-up and behaviour of a kart: their positioning (as well as shape, length, diameter, thickness, etc.) changes the stiffness of the chassis and, consequently, the vehicle’s behaviour. There is no law that establishes the correct positioning of the brackets and nothing there is nothing against criss-crossing them. Of course, it is a compromise that requires bending the brackets themselves, but it can be done. The result is a cross between the stiffness obtained by fitting a single support bracket and that of fitting two of them. Nevertheless, it is still greater than two brackets fitted horizontally (i.e. at less than a 45° angle). Maximum stiffness, and consequently maximum grip, is obtained by fitting two "vertical" brackets (at an angle greater than 45°).
There is maximum air impact, and therefore cooling, when the radiator is mounted upright.
Owner of New Line Racing, leader in the production of quad and kart radiators.
This is a typical "myth": "The more the radiator is tilted vertically (with respect to the ground), the more it cools. Intuitively, it might seem logical, but in reality it is absolutely not the case: the radiator does not work properly when it is placed in the two "extreme" positions. It clearly doesn’t work when it is placed horizontally (unless the radiator was designed specifically to be horizontal. Ed.) because the air cannot pass through the grill. However, a radiator cannot perform its normal cooling process when it is mounted in a completely upright position, either, because in this case the air passes through it too quickly, since the fins of the grill don’t provide any friction.
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