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Control slop

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wdaniell.longport(at)gmai
Guest

Posted: Thu Dec 14, 2017 9:49 am Post subject: Control slop

For the assembled wisdom

I have a minor amount of slop in my controls from the tufnol bearings at front and back of the cockpit module.Â  Â I don't notice it in flight but it's an imperfection and l guess we all know how that feels.Â  This is derived either from build or some kind of drying out/shrinkage over the considerable lapse between assembling flying controlsÂ  and flight.

My thoughts were to drill a hole in the top of the tufnol bearing into which I could inject grease - maybe damping grease.

Anyone got any other ideas that don't include major surgery?

Will

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Duncan McFadyean

Joined: 18 Jan 2011
Posts: 222

Posted: Thu Dec 14, 2017 10:06 am Post subject: Control slop

Will,

You don't say whether radial or axial 'slop'.

Greasing the dried out bearings usually causes the Tufnol to expand in a direction perpendicular to the plane of the fabric, which would remove some axial slop but can cause the bearing to go tight/sticky.

I don't know how you would remove radial slop; grease would be quickly displaced from the imperfect bearing contact of this item.

Duncan McF



 

 

 	  Quote: 	
		   ----Original Message----

 From: wdaniell.longport(at)gmail.com

 Date: 14/12/2017 17:49

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

 Subj: Control slop

 

 For the assembled wisdom

I have a minor amount of slop in my controls from the tufnol bearings at front and back of the cockpit module.   I don't notice it in flight but it's an imperfection and l guess we all know how that feels.  This is derived either from build or some kind of drying out/shrinkage over the considerable lapse between assembling flying controls  and flight.

My thoughts were to drill a hole in the top of the tufnol bearing into which I could inject grease - maybe damping grease.

Anyone got any other ideas that don't include major surgery?

Will

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

wdaniell.longport(at)gmai
Guest

Posted: Thu Dec 14, 2017 10:45 am Post subject: Control slop

Mmm thanks....

The slop is a little of both...I though about a shim of the same phenolic material like a large washer split in half but as you say about the grease option, this would probably work for the axial movement not the radial slop.

Will



On Dec 14, 2017 13:09, "ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net)" <ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net)> wrote: 	  Quote: 	
		  Will,

You don't say whether radial or axial 'slop'.

Greasing the dried out bearings usually causes the Tufnol to expand in a direction perpendicular to the plane of the fabric, which would remove some axial slop but can cause the bearing to go tight/sticky.

I don't know how you would remove radial slop; grease would be quickly displaced from the imperfect bearing contact of this item.

Duncan McF



 

 

 	  Quote: 	
		   ----Original Message----

 From: wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)

 Date: 14/12/2017 17:49

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

 Subj: Control slop

 

 For the assembled wisdom

I have a minor amount of slop in my controls from the tufnol bearings at front and back of the cockpit module.Â  Â I don't notice it in flight but it's an imperfection and l guess we all know how that feels.Â  This is derived either from build or some kind of drying out/shrinkage over the considerable lapse between assembling flying controlsÂ  and flight.

My thoughts were to drill a hole in the top of the tufnol bearing into which I could inject grease - maybe damping grease.

Anyone got any other ideas that don't include major surgery?

Will

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

budyerly(at)msn.com
Guest

Posted: Fri Dec 15, 2017 1:35 pm Post subject: Control slop

If it isn't broke, don't fix it.   A small bit of looseness up to .032"  is not going to hurt a thing.  Once it gets to .032 you can shim it a bit to feel better.

 

 

 Regards,

 

 

 Bud Yerly,

 Custom Flight Creations, Inc.

 

 

 Sent from my Verizon Wireless 4G LTE DROID

 

 On Dec 14, 2017 1:48 PM, William Daniell <wdaniell.longport(at)gmail.com> wrote:

  	  Quote: 	
		     Mmm thanks....

 

 

 The slop is a little of both...I though about a shim of the same phenolic material like a large washer split in half but as you say about the grease option, this would probably work for the axial movement not the radial slop.

 

 

 Will

 

 

 

 

 

 

 

 

 

 

 

 On Dec 14, 2017 13:09, "ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net)" <ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net)> wrote:

  	  Quote: 	
		   Will,

 You don't say whether radial or axial 'slop'.

 Greasing the dried out bearings usually causes the Tufnol to expand in a direction perpendicular to the plane of the fabric, which would remove some axial slop but can cause the bearing to go tight/sticky.

 I don't know how you would remove radial slop; grease would be quickly displaced from the imperfect bearing contact of this item.

 

 

 Duncan McF

  

 

 

  	  Quote: 	
		  ----Original Message----

 From: wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)

 Date: 14/12/2017 17:49

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

 Subj: Europa-List: Control slop

 

 For the assembled wisdom 

 I have a minor amount of slop in my controls from the tufnol bearings at front and back of the cockpit module.   I don't notice it in flight but it's an imperfection and l guess we all know how that feels.  This is derived either from build or some kind  of drying out/shrinkage over the considerable lapse between assembling flying controls  and flight.

 

 

 My thoughts were to drill a hole in the top of the tufnol bearing into which I could inject grease - maybe damping grease.

 

 

 Anyone got any other ideas that don't include major surgery?

 

 

 Will

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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rampil

Joined: 04 May 2007
Posts: 870

Posted: Fri Dec 15, 2017 2:43 pm Post subject: Re: Control slop

The Enemy of Good is Better!

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_________________
Ira N224XS

wdaniell.longport(at)gmai
Guest

Posted: Fri Dec 15, 2017 5:23 pm Post subject: Control slop

Hahaha....



Thanks for your adjustment to Fred the great.

And thanks to everyone....I will follow Bud's advice and leave well alone...... for now.

Will

On Dec 15, 2017 17:46, "rampil" <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)> wrote: 	  Quote: 	
		  --> Europa-List message posted by: "rampil" <ira.rampil(at)gmail.com (ira.rampil(at)gmail.com)>

 

 The Enemy of Good is Better!

 

 --------

 Ira N224XS

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=476424#476424

 

 

 

 

 

 

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