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I have had my front oleo rebuilt by Lancair and it appears
that it has excessive "Stiction" that is a combination of inherent
stickiness and friction. This manifests itself in a tendency to overshoot
the required rudder inputs to maintain a straight line on landing and take off.
Has anyone had any problems here? If so what did you do to solve it or
improve it. Today it would not caster at all on a lightly snow covered
surface. All it did was to skid over the snow in the straight ahead
position. The oleo was depressed enough to be out of the self centring
device.
I have also found that the amount of pressure in the oleo is
critical to ensure that the oleo comes out of the self centring feature when
fully loaded by the weight of the plane, yet at the same time has enough
pressure to firstly maintain an adequate extension and subsequently to engage
the self centring device.
Another problem we have had is the fact that with the right
tank about 1/4 full and the left tank full the amount of aileron input
required to keep the wings level was quite high, even with the trim fully
applied to raise the left wing. I understand that we should not reach the
situation with one tank full on the pilot's side and the other side empty.
Has anyone done the same thing and found the aileron control forces to be
high? It flew well with both tanks full so I am inclined to think that the
situation should be avoided by better handling of the side to side fuel
consumption.
Ian Crowe
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