Posted for "Greenbacks, UnLtd."
<N4ZQ@VERIZON.NET>:
Hi Scott, 1. The legs are rigid. 2. Wheel bearings are properly
tensioned. 3. TK5's correctly installed 4. The only side to side looseness is where the casting pivots on the leg. I think a
thin washer or two will correct. AMA > 1. The LEG should be rigid as it can be with its 4 (or 5 if you
like) >movement points (2 solidly bolted rod ends on the over center over-center >link, the 2 leg pivot bearings in the fwd and aft
spars plus the link pivot >bolt itself). > 2. The wheel should be tight enough on the axle so that a push/flick attempt >to
rotate it should have it stop before one rotation (i.e. the bearings must >be tight against the wheel hub), thus no side movement. > 3.
Then there is the leg pivot bolt that the casting rotates on and that >should be tight enough to allow fwd/aft rotation, but very little
sideways >displacement. > 4. That leaves the suspension (TK5's ?) that contributes nothing particularly >structural to side
loads. > > So, where is it too loose or is it loose? > > When the plane sits on its wheels, the stub
wing is bearing the fuselage >weight and flexes a bit so the wheel is under a load that pushes it outboard. > You would notice this when
the plane is first jacked off the floor and the >wheels pull inboard a bit. > > Scott
Krueger
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