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Rocket Transducer. Group 1/3 Patrick Morgan Lance Yoneshige May 6, 2004 Instructor: Bruce Liebert University of Hawaii at Manoa ME 401. Design. Assembly:. Design (Continued). Base:. Design (Continued). Beam:. Design (Continued). Design (Continued). Test Launch. Software Correction.

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Rocket transducer

Rocket Transducer

Group 1/3

Patrick Morgan

Lance Yoneshige

May 6, 2004

Instructor: Bruce Liebert

University of Hawaii at Manoa

ME 401


Design
Design

  • Assembly:







Software correction
Software Correction

  • Attenuation

    • Use of “Fired” & “Unfired” data

  • Cut-off Frequency

    • Input & Output Cut-off Frequency determined to be 22 Hz for 99%; 9 Hz for 95%.


Results
Results

  • Harmonic Characteristics

    • Fired Rocket

      • f_n = 56 Hz

      • z = 0.02

    • Unfired Rocket

      • f_n = 45 Hz

      • z = 0.02




Results continued2
Results (Continued)

  • Error with 95% of signal:

    • M(w_n) = 3.3%