CHUCK RHOADS wrote:
>
> I am working on my tailplane mass balance and control
> stop. The manual states that to set up the mass
> balance correctly the angle of the tailplane is set at
> 12 deg up. I have measured my total deflection of the
> tailplane and I just have 16 degrees total. The
> linkage hits in the torque tube. Do I have a MAJOR
> problem? So far I have not seen what the angles
> should be for up deflection and down deflection. How
> do I divide my total of 16 degrees?
My manual says 12 up, 4 down. You must be clear of the torque tube,
so if you have to clip the spec a tiny bit, I think it's safer to
short the down elevator (full down elevator not needed for any normal
flight maneuver). But do make a note to check this in flight testing,
with max aft loading.
Regards,
Fred F., A063
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