REFLECTOR: Shimmy and Nose Gear Pivot Bushings

[Brian Michalk]

Alex Balic wrote:
> There is a viscous coupling that I had to spec years back for a machine
> design project- kind of like a tiny torque converter filled with oil- I
> have no idea if there is one available that could/would fit the nose
> gear, but basically, it allows relatively slow turning of the shaft, but
> resists rapid turning/oscillation ( shimmy)  kind of the same function
> that a shock absorber has on the suspension of your car- will see what I
> can locate on it and report back........
> 
> Alex
> 

How about a magnetic particle clutch?
http://www.sdp-si.com/D790/HTML2/D790C13026_2.html