Cn of an ogivo-cylindrical rocket with 4 grid fins, according to the cumulative incidence of the 2 principal grid fins. After Non-linear aerodynamic analysis of grid fin configuration, Burkhalter and Frank, AIAA-13th-applied-aerodynamics.pdf <a rel="nofollow" class="external autonumber" href="https://documents.pub/download/american-institute-of-aeronautics-and-astronautics-13th-applied-aerodynamics-585942a6d63cf">[3]</a> and the thesis of Ledlow II Integration of Grid Fins for the Optimal Design of Missile Systems <a rel="nofollow" class="external autonumber" href="https://etd.auburn.edu/bitstream/handle/10415/4111/Ledlow_Thesis.pdf;sequence=2">[4]</a>. The curves are drawn according to experimental values.
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<span class="int-own-work" lang="en">Own work</span>