The present invention provides a grid fin 101 comprising a lattice of a multiplicity of aerodynamic surfaces 102 arranged such that air can flow through the lattice and over the aerodynamic surfaces, each aerodynamic surface having a leading edge 104, wherein a plurality of the leading edges have a planform shape defined by a hyperbolic curve 214. The invention also provides a vehicle or projectile provided with a number of grid fins and methods of designing, modelling and manufacturing grid fins.
GRID FINS
GITTERFLÜGEL
AILETTES DE GRILLE
29.01.2020
Patent
Elektronische Ressource
Englisch
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