2.6 DRIVER INSTALLATION
Please find below the relevant articles from the FIA Formula F4 2
nd
GEN Technical Regulation
14.7.5
Any seat made from foam must be covered with a non-flammable and non-combustible material. The
thickness of any foam insert is limited to maximum 50mm
The foam thickness is measured as the following:
- Behind and underneath the driver parallel to the car center plane
- Beside the driver normal to the car center plane
15.2.1
Referring to the following drawing, the driver's helmet and steering wheel must be arranged such that they
lie below the following two lines:
- a line drawn between the front fixing axis of the secondary roll structure and a point 75mm vertically below
the highest point of the principal roll structure.
- a line, tangent to the highest point of the secondary roll structure at an angle of 4.0° to the reference plane.
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