REFLECTOR: Shimmy dampener fluid mechanics

[Brian Michalk]

Yes.
http://en.wikipedia.org/wiki/Dilatant
I think a dilatant grease could do very well with the existing washers.
If more surface area is needed, then something along the lines of a fan
clutch in a car behind the radiator, but smaller with a dilatant fluid.

Jeff Clough wrote:
> Are there any dampener fluids/oils which behave differently or have
> different properties depending on the *_RATE_* of the forces to which
> they are subjected? (Any space age materials available?)   Kinda like
> corn starch and water...have y'all eve played with that stuff
> ?......push on it slowly and it is like a viscous fluid.....push faster
> and it really stiffens up a lot....that would  make taxiing/turning
> (slow) easier and effectively  stop the shimmy (fast) 
> action.....maybe?    There was a TV show a while back where guys had a
> pool of cornstarch/water...they could run or walk quickly across it
> easily as it was nearly a solid...but go slowly and they would sink in
> the liquid.....
>   Just wishing....
> Jeff C
> 
> Al Gietzen wrote:
>>
>> Ron;
>>
>>  
>>
>> You’ll have to tell us how you envision it being installed. It can’t
>> support the load on the nose gear, and is not designed for side loads,
>> so I’m unable to envision how it could be used.
>>
>>  
>>
>> Yes, something of that nature installed between the fork and the leg
>> could be very helpful; but I don’t think this is it.
>>
>>  
>>
>> Al
>>
>>  
>>
>> -----Original Message-----
>> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
>> *On Behalf Of *Velocity xl
>> *Sent:* Wednesday, February 25, 2009 5:16 PM
>> *To:* reflector; reflector at tvbf.org
>> *Subject:* REFLECTOR: (no subject)
>>
>>  
>>
>> http://www.efdyn.com/pdf/xcrd%20page.pdf
>>
>>  
>>
>> Here is an idea for a Dampener I dreamed up. There are people that
>> know the forces
>>
>> involved here better than I. May be they could tell if this device
>> would work to stop our
>>
>> Shimmy problem. Simple small and clean if it would work. Dampener is
>> at the bottom of the
>>
>> Gear leg.
>>
>>  
>>
>> Ron
>>
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