A miniaturised arrow ballistic measurement system

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Barton, John
Včelák, Jan
Torres-Sanchez, Javier
O'Flynn, Brendan
Ó Mathúna, S. Cian
Donahoe, Robert V.
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A novel miniaturised system for measurement of the in-flight characteristics of an arrow is introduced in this paper. The system allows the user to measure in-flight parameters such as the arrow’s speed, kinetic energy and momentum, arrow drag and vibrations of the arrow shaft. The system consists of electronics, namely a three axis accelerometer, shock switch, microcontroller and EEPROM memory embedded in the arrow tip. The system also includes a docking station for download and processing of in-flight ballistic data from the tip to provide the measured values. With this system, a user can evaluate and optimize their archery equipment setup based on measured ballistic values. Recent test results taken at NIST show the accuracy of the launch velocities to be within +/- 0.59%, when compared with NIST’s most accurate ballistic chronograph.
Ballistic measurement system , Accelerometers , Arrow in-flight characteristics
Barton, John; Vcelak, Jan; Torres-Sanchez, Javier; O'Flynn, Brendan; O'Mathuna, Cian; Donahoe, Robert V.; , "A miniaturised arrow ballistic measurement system," Sensors, 2011 IEEE , vol., no., pp.1289-1292, 28-31 Oct. 2011 doi: 10.1109/ICSENS.2011.6127412 http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6127412&isnumber=6126898
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