REFLECTOR: Shimmy and Nose Gear Pivot Bushings

[robertbuls at aol.com]

Just curious, and haven't seen reference to it....are these shimmy/gearleg vibrations limited to "scratch-built" kits, or are the fast-build kits similarly afflicted? (Hoping that fix that Duane was mentioned considering gets included in my fast-build kit due in Jan).
 
Bob
 
 
-----Original Message-----
From: Brian Michalk <michalk at awpi.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Sent: Sat, 19 Nov 2005 10:24:00 -0800
Subject: Re: REFLECTOR: Shimmy and Nose Gear Pivot Bushings


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 
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