Abstract
We performed wind-tunnel experiments with two Archery arrows (X10, A/C/E) without mechanical support on JAXA's Magnetic Suspension & Balance System. We measured the relation between Reynolds number and drag coefficient, as well as we checked the relation between drag coefficient, lift coefficient and pitching-moment coefficient with the angle of attack. We found that the vanes impose a lift force and increase the orientational stability. In the available range of Reynolds (0.3 × 10^4 < Re < 2.5 × 10^), the boundary layer on the arrow shaft remained laminar. We compared these results with experiments of arrows in free flight which we recorded with two high-speed video cameras. We also compared the results of XlO's aerodynamic propertie with A/C/E's.
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