4. Attention must be paid to sandpaper the outer surface; at the depth of 1 mm you should find the
resin between first and second ply.
5. Use sandpaper on the new nose tip inner surface to produce a rough surface that will match the
outer surface of the crashbox.
6. Spread specific resin 3M 9323 over the junction surface, carefully respect the percentage between
resin and catalyst:
7. 3M 9323 Mixing specification:
8. Position the new nose tip cleaning the excess of resin; new nose tip can be hold in position with high
temperature tape.
9. Cure the assembly on the oven following the specific temperature cycle for 3M 9323: 2 hours at 60°C.
2.8 FRONT ANTI INTRUSION PANEL
In order to give additional protection, the F4 car is equipped with a homologated frontal anti intrusion panel
(FAIP) able to withstand a 30 ton frontal load, it must be permanently attached to the survival cell and cover
the entire surface of the front bulkhead.
2.9 REAR IMPACT STRUCTURE
The rear impact is one of the major safety and structural component of the car and it has been approved by
the FIA, great attention must be paid in checking for structural failure not later than two years after delivery
from Tatuus factory, and after each major accident. In general evident damages must be inspected by the
manufacturer, the structure must be checked and repaired by a center authorized by Tatuus.
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