Pitot-Static length selection
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v 1.0 UNMANNED PLATFORMS AND SUBSYSTEMS Pitot - Static length selection Nose mounting configuration: The following recommendations* can be used for nose mounting configuration of the PitotStatic assembly: L outside = 1.2 x D L = L outside + L inside where, L outside is the length of the Pitot-Static tube that is located ahead of the streamlined nose shape, D is the maximum diameter of the fuselage body, L inside is the length of the tube which is located inside the fuselage and L is the total length of the Pitot-Static tube. Please specify the L dimension during the ordering process, based on your particular mounting configuration. * Note: the optimum Pitot- Static tube length is highly dependent on the actual flow around a particular shape. Wing mounting configuration: The following recommendations* can be used for wing mounting configuration of the PitotStatic assembly: L outside L outside = 10 x t L = L outside + L inside where, L outside is the length of the Pitot-Static tube that is located ahead of the streamlined nose shape, t is the maximum thickness of the airfoil, L inside is the length from the leading edge of the wing to the mounting bracket and L is the total length of the Pitot-Static tube. Please specify the L dimension during the ordering process, based on your particular mounting configuration. The Pitot-Static assembly needs to be mounted outboard from the fuselage towards the tip of the wing so that the influence of the fuselage on the measured airflow is minimized. * Note: the optimum Pitot- Static tube length is highly dependent on the actual flow around a particular shape. U AV F a c t o r y U S A L L C 50 South Buckhout Street Irvington, NY 10533 USA Phone: +1 (914) 591 3070 Fax: +1 (914) 591 3715 sales@uavfactory.com