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Loose Bushing - Was Proper Technique to Tighten Nose Wheel

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pitts_pilot(at)bellsouth.
Guest

Posted: Thu Feb 04, 2010 7:27 pm Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

As long as you have the nose up ..... measure the side breakout force at 

the wheel axle.  I'm guessing that the 'break-in wear' has loosened up 

your original setting.

Linn



Rick wrote:

[quote] 

 

 I use my tow bar, never tried to do it without because the nose wheel wants

 to turn where I don't want it! Looking forward to Robins video, I only

 recently picked up the dreaded shimmy, I might add it crept in, not all the

 sudden...going to follow Scott's recommendation and balance the nose wheel

 this weekend. I really don't like shoving on my spinner cowl to align the

 aircraft while putting it in the hangar...that's why I have the tow bar..

 

 Rick

 

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ricksked(at)cox.net
Guest

Posted: Thu Feb 04, 2010 8:10 pm Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

I've adjusted it three times...even relocated the cotter pin hole one flat over...it stays close but with the added hole it hits right at 25 lbs

Sent via BlackBerry by AT&T



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pitts_pilot(at)bellsouth.
Guest

Posted: Fri Feb 05, 2010 7:40 am Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

Robin Marks wrote:

 	  Quote: 	
		   

 

 Linn, I don't know how to access remaining bow. They look like two BV

 washers to me

As long as they look like two BV washers, then they're not compressed 
	


flat.  If they were flat, they'd look like plain washers.  The BV 

washers when installed outside to outside will look like the fork isn't 

tightened ....... space between the fork washers and the BV washers. 

I've seen them squished flat, all stacked back to belly ..... you name it.

 	  Quote: 	
		   Rick, I only use my tow bar to get the plane in and out of my tight,

 narrow, rusty walled LA hangar. Yuck. Pushing the plane in and out of my

 larger hangar I use the prop and can easily maneuver the plane. I never

 place force on the spinner.

Someday when the plane is left in the care of an FBO, the lineman WILL 
	


move it and he'll use the spinner.  It's best to make it easy for him 

(or her) to move it by hand without a towbar.

Linn

 	  Quote: 	
		   To all re: the video. Be forewarned It's me holding a heavy flashlight

 between my shoulder and chin under the engine while jiggling the bushing

 with one hand and probably holding the video recorder too close for

 proper focus in the other hand. This is more Felini than Kubrick (I just

 watched Clockwork Orange) 

 

 Thanks,

 Robin

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robin1(at)mrmoisture.com
Guest

Posted: Fri Feb 05, 2010 4:06 pm Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

Here is the video I promised:

http://www.youtube.com/watch?v=EmT38rDenwA



Robin

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Jim Berry

Joined: 10 Jan 2006
Posts: 237
Location: Denver

Posted: Fri Feb 05, 2010 4:54 pm Post subject: Re: Loose Bushing - Was Proper Technique to Tighten Nose W

Robin,



That is a really bad shake in your hand. They have good medicine for that sort of thing.  



Do not archive



Jim Berry

40482

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ricksked(at)cox.net
Guest

Posted: Fri Feb 05, 2010 9:23 pm Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

That's quite a bit of slop, any idea what may have caused that wear on the

bushing or the inner portion of the mount? IIRC it was a nice snug fit when

originally installed. Do you think may a side load condition? I would think

the wheel would caster to prevent that.  Got me thinking. Gotta jack it up

and see now...



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robin1(at)mrmoisture.com
Guest

Posted: Sat Feb 06, 2010 3:31 pm Post subject: Loose Bushing - Was Proper Technique to Tighten Nose Wheel

At this point my thinking is that nothing changed the dimensions of the

busing or mount. We were probably focusing so much on placing tension on

compressing the gear leg that we must have overlooked the slop. Add a

little grease and the fit seems acceptably tight (for a while). Oh well,

one custom bushing later and all is well.  

I plan to test fly once these storms pass.



Robin



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