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Re: Europa-List: Europa Club Outrigger Pivot Bearing Mod

Subject: Re: Europa-List: Europa Club Outrigger Pivot Bearing Mod
From: Fred Klein <fklein@orcasonline.com>
Date: Wed, 8 Nov 2006 14:47:41

Nigel,

I was unaware of the mod you describe below and the reasons for it. 
Could you briefly outline the condition which it is intended to remedy?

Fred
A194
STILL working on my wings (sigh)

On Wednesday, November 8, 2006, at 11:18 AM, nigel charles wrote:

> <nwcmc@tiscali.co.uk>
>
> As the designer of this mod I have a few timely comments.
>
> First of all we are looking at updating this mod. The reason is that
> even using 4130 steel tube for the inner tubing it has a tendency to
> distort crating drag on the outer tube and causing the pivot to revert
> to the original arrangement. The future version will use an AN5 bolt
> instead of the AN4 bolt and inner tube. The bolt will be prevented from
> rotating by locating the head in a V shaped recess in a plate riveted 
> on
> the outside of the side plate. An AN5 castellation nut will be used to
> retain the bolt. For UK builders the original prototype version of this
> update will need approval by the PFA, but assuming I have no problems
> with it, I am sure that Andy Draper will allow PFA inspectors to sign
> off the work. I intend to update my aircraft in January and will report
> when it has final approval.
>
> In the meantime anyone purchasing parts can anticipate being able to
> copy my update by purchasing the following:
>
> 100mm length of 3/8" stainless tube (wall thickness suitable to
> accommodate an AN5 bolt
> 2 AN5 bolts (length to match outside width between side plates with
> castellation nut fitted)
> 2 AN5 castellation nuts with split pins
> 4 thin AN5 sized washers to fit either side of the leg
> 2 pieces of aluminium plate to locate bolt head
> 4 rivets to attach aluminium plate to sideplate
> Small quantity of Redux to fix the stainless tube
>
> Once I have measured up I will be able to provide a more specific list
> of the parts required.
>
> Regards
>
> Nigel Charles
>
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of scudrunner
> Sent: 08 November 2006 16:34
> To: europa-list@matronics.com
> Subject: Europa-List: Europa Club Outrigger Pivot Bearing Mod
>
> <howard.brooks@nomura-asset.co.uk>
>
> I'm looking to source the materials to do the above modification. 
> Before
> going searching the net for steel tubing suppliers, I though it would 
> be
> worth asking the (UK members of the) forum if anyone could either
> recommend a supplier, or sell me the offcuts left over from when they
> did the mod?
>
> Basically I need a short length of 3/8 inch stainless steel tube and a
> short length of 5/16 inch steel tube (the steel tube needs to be a good
> fit in the stainless one). Oh, and some nylon spacers/washers. I guess 
> 6
> inches of tubing would be ample.
>
> Any advice from those who have gone before?
>
> Thanks
>
>
> Howard
>
>
> Visit -  www.EuropaOwners.org
>
>
> -- 
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