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#6
January 12th 04, 04:04 PM
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"machf" wrote in message news  On Sun, 11 Jan 2004 09:57:12 -0800, "Tarver Engineering" wrote: Actually, once the notch filter was adjusted such that the wing did not delaminate, there was no benifit to forward swept wings. Uh... excuse me, but what's a "notch filter" in this context? In the feedback control system of the X-29 was a z-transform type filter at 3.2 Hz. This was a simple third order filter in the original airframe. Once the filter was altered to eliminate the flutter problem on the second airframe, there was no manuverability advantage. The first airframe having a delaminated wing by that time. 
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