>Last Words on Tailplane Mass balance!!
>
>
>Regarding the ballance weight for the horizontal tail plane. Is it realy
>critical that perfect ballance must be obtained. The trim system should take
>care of any pith up/down tendancy. Is the ballance weights job also there to
>prevent flutter.
>
>Comments please.
>
>Regards Dave Park Bld.371
Dave
Yes! It also prevents lower frequency oscillation at normal speeds. (Short
period fugoid) I can tell you that is frightening too.
Also important is the Flettner strips on the tab, those help the tab to
bite through the boundary layer which is maybe half an inch thick back there
Graham
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