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Nosewheel shimmy

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sidsel.svein(at)oslo.onli
Guest

Posted: Wed Sep 13, 2006 12:06 pm Post subject: Nosewheel shimmy

All with trigear:  I mentioned in my brief report on my first flight 

yesterday that I experienced shimmy in the nosewheel on touchdown, and 

assumed that I had loosened the castle nut on top too much.



What I found today was that the force required to turn the nosewheel was 

only abt. 7 lbs vs 18-20 as recommended in the Builders Manual .  Main 

reason:  The whole top surface of the friction disk was covered by grease - 

the o-ring evidently had not provided a good enough seal against the grease 

pressed into the bearing above.  I cleaned it carefully and set the friction 

as per the B.M. and did a taxi test.  Slow taxi around the hangars and 

fuelling station etc. requires of course more active use of the differential 

brakes, but I did not find this to be as awkward as when I started the 

ground testing - one does get used to it.  The good thing is that the 

steering was very responsive by use of rudder only when rolling down the 

runway at speed, even at idle like after landing.  So I will leave it that 

setting and hopefully the shimmy is gone.  -  Checking for grease will 

definitely be done frequently, does not take long anyway.



Best regards,

Svein

LN-SKJ

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Dave Miller

Joined: 10 Jan 2006
Posts: 51

Posted: Wed Sep 13, 2006 12:26 pm Post subject: Nosewheel shimmy

Hi Svein, 

 

Did you check out Steve V's posting of 26/05/06 regarding Nyeogel 744VH damping grease ? 

 

Dave 

 

do not archive   [quote][b]

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riddon(at)sent.com
Guest

Posted: Wed Sep 13, 2006 2:39 pm Post subject: Nosewheel shimmy

I have used Neogel damping or friction grease on my nosewheel and taxiing is much easier now.  Most of the time I can taxi just using rudder. Only if downwind or at very slow speeds do I need to use the brakes. No nose wheel shimmy either.    

   

Richard Iddon. G-RIXS  

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Dave_Miller(at)avivacanada.com

 Sent: 13 September 2006 21:27

 To: europa-list(at)matronics.com

 Subject: Re: Europa-List: Nosewheel shimmy  

   



 Hi Svein, 

 

 Did you check out Steve V's posting of 26/05/06 regarding Nyeogel 744VH damping grease ? 

 

 Dave 

 

 do not archive      	  Quote: 	
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topglock(at)cox.net
Guest

Posted: Wed Sep 13, 2006 5:45 pm Post subject: Nosewheel shimmy

My experience pretty much mirrors Richards.  The only shimmy I've experienced, since using the Nyogel is when I let the nose down a bit soon/hard.  It stops when I lighten the pressure on the nose and let is rest, naturally, as the plane loses airspeed.  Steering is much improved...

 

 Jeff

 Baby Blue

 

 Richard Iddon wrote:

 [quote]                           <![endif]-->     Clean   Clean   DocumentEmail      <![endif]-->  st1\:*{behavior:url(#default#ieooui) }  <![endif]-->          /* Style Definitions */   table.MsoNormalTable 	{mso-style-name:"Table Normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin:0cm; 	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:10.0pt; 	font-family:"Times New Roman";}  <![endif]-->         

I have used Neogel damping or friction grease on my nosewheel and taxiing is much easier now.  Most of the time I can taxi just using rudder. Only if downwind or at very slow speeds do I need to use the brakes. No nose wheel shimmy either.     

    

Richard Iddon. G-RIXS   

    

-----Original Message-----

   From: owner-europa-list-server(at)matronics.com (owner-europa-list-server(at)matronics.com) [mailto:owner-europa-list-server(at)matronics.com (owner-europa-list-server(at)matronics.com)] On Behalf Of Dave_Miller(at)avivacanada.com (Dave_Miller(at)avivacanada.com)

   Sent: 13 September 2006 21:27

   To: europa-list(at)matronics.com (europa-list(at)matronics.com)

   Subject: Re: Europa-List: Nosewheel shimmy   

    



   Hi Svein,   

   

   Did you check out Steve V's posting of 26/05/06 regarding Nyeogel 744VH damping grease ? 

   

   Dave   

   

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sidsel.svein(at)oslo.onli
Guest

Posted: Wed Sep 13, 2006 8:48 pm Post subject: Nosewheel shimmy

Dave,

  

 Thanks for reminding me of that one.  Yes, I  did at the time check for damping grease here in Norway but without luck.   I am afraid that sourcing it from overseas will mean expensive freight due to  "oily" products, but I will look into that.  Do you happen to know of any  internet supplier?

  

 Best regards,

 Svein

  

 [quote]   ---

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riddon(at)sent.com
Guest

Posted: Wed Sep 13, 2006 11:10 pm Post subject: Nosewheel shimmy

Svein.  

   

I got mine from Newgate Simms. http://www.newgatesimms.co.uk/synthetic_lubricants_and_greases.htm  

   

Richard.   

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Sidsel & Svein Johnsen

 Sent: 14 September 2006 05:47

 To: europa-list(at)matronics.com

 Subject: Re: Europa-List: Nosewheel shimmy  

     

Dave,  

    

   

    

Thanks for reminding me of that one.  Yes, I did at the time check for damping grease here in Norway but without luck.  I am afraid that sourcing it from overseas will mean expensive freight due to "oily" products, but I will look into that.  Do you happen to know of any internet supplier?  

    

   

    

Best regards,  

    

Svein  

    

   

  [quote]    

---

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Dave Miller

Joined: 10 Jan 2006
Posts: 51

Posted: Thu Sep 14, 2006 5:00 am Post subject: Nosewheel shimmy

Svein, 

 

TAI Lubricants at www.lubekits.com indicate that they will ship worldwide. 

I have not needed any yet, but am sure that it will be necessary in due course. 

I was thinking of buying some for the flying school where my plane is hangared, many of their elderly Cessnas regularly have shimmies that just about shake your teeth out. 

 

Dave 

 

 

    "Sidsel & Svein Johnsen" <sidsel.svein(at)oslo.online.no> 

Sent by: owner-europa-list-server(at)matronics.com 

09/14/2006 12:47 AM 

Please respond to europa-list 

          

        To:        <europa-list(at)matronics.com> 

        cc:         

        Subject:        Re: Nosewheel shimmy 

 

 

Dave, 

  

Thanks for reminding me of that one.  Yes, I did at the time check for damping grease here in Norway but without luck.  I am afraid that sourcing it from overseas will mean expensive freight due to "oily" products, but I will look into that.  Do you happen to know of any internet supplier? 

  

Best regards, 

Svein 

  

---

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sidsel.svein(at)oslo.onli
Guest

Posted: Sat Sep 16, 2006 8:44 am Post subject: Nosewheel shimmy

Dave, Richard, Jack,

  

 Thank you very much for info on where to buy the  Nyeogel - will check it out.

  

 I have now landed with the shimmy friction  tightened up as per the Builders Manual - no shimmy and the steering is not a  problem.

  

 Best regards,

 Svein

 LN-SKJ

  

 do not archive

   [quote][b]

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