Graeme, the tailplane and mass balance arm assembly is effectively a one-piece
component pivoting within the torque tube bearings, the limits of movement being
the mass balance weight striking the top and bottom of its vertical guides
in the fuselage respectively. These limits of movement of the weight are the
elevator control stops, there are no other stops anywhere else. When the weight
is fully up (against the inside of the fuselage top) then the tailplane will
be in its full down elevator position and when the weight is fully down (on
its lower stop that is built into the tower just above the elevator control
torque
tube) then the tailplane will be in its full up elevator postion. The
tailplane/
mass balance weight assembly must be able to run fully and freely between
these two stops and the control surface deflection must be correct as per
the manual at each limit. As David says, if you are in any doubt about the
system
if only for piece of mind you should have a jolly good look at it all before
next flight. Without wild speculation I can't really think what could suddenly
go wrong with it? Would be interested to hear if you do find anything
- or hopefully if you find everything is ok.....!
Again, without wishing to wildly speculate - if it feels like you are "running
out of elevator" on landing, you don't think that for whatever reason you might
be getting too slow on final approach and effectively stalling it in? Have
you changed anything in your ASI system that could perhaps cause it to overread
and therefore you might not be as fast as you might think? Sorry again for
speculation - just a thought!
All the best, Jon
--------
G-TERN
Classic Mono
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