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| | The TDC convertors are undergoing vibration testing
at GRC's Structural Dynamics Laboratory. Below are two data plots
from initial testing as well as MPEG videos of the convertors
running during the vibration tests. Additional information and
data will be forthcoming as it becomes available.
Download
an mpeg player.
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Tandem_Axial.mpg
(2Meg)
The Stirling TDC's undergoing sine sweep vibration
testing with an 11 Hz mounting structure. Watch the assembly
shake during the test from a bird's eye view of the setup. The
engines ran fine throughout vibration testing.
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36Hz_Mt_sine_sweep2.mpg
(0.4Meg)
The Stirling TDC's undergoing sine sweep testing.
This is a side view showing both engines installed on the vibration
table.
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36Hz_Mt_sine_sweep1.mpg
(1.3Meg)
The Stirling TDC's undergoing sine sweep testing.
This is a close up side view of one of the engines during testing.
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![[Amplitude vs Frequency Plot of Stirling TDC Sinusoidal Sweep Vibration Test Profile]](../images/Plot_TDC_vib_sinesweep.gif)
![[PSD vs Frequency Plot of Stirling TDC 1/4 Flight Acceptance Random Vibration Test Profile]](../images/Plot_TDC_vib_quarterflight.gif)
Last Revision: May, 2001
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