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MG wing spar - mono gear pushrod: design change?

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peterz(at)zutrasoft.com
Guest

Posted: Fri Dec 27, 2019 6:42 am Post subject: MG wing spar - mono gear pushrod: design change?

As was encountered by some US builders, the thicker MG spar mod interferes with the mono's flap drive tube.



Now that the MG wings have been approved in Britain, has the factory created a new tube shape which accommodates the thicker spars?  If so, what might the part number and ballpark price be?





Many thanks,



Pete 



C-GNPZ (#120) flying



A239 still a pile of parts with both wings

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churchy

Joined: 04 Nov 2011
Posts: 48

Posted: Fri Dec 27, 2019 7:00 am Post subject: MG wing spar - mono gear pushrod: design change?

Hi Pete



I have the first of those parts.  It was roughly the same price as the original part (about $150) and in theory is the same part number as it now replaces the original part.  However, two notes of caution:



1. I haven’t fitted it all together to be sure that the new geometry actually operates the flaps and clears the spar.



2. Europa told me it was being hand produced from a drawing by a subcontractor. There were shall we say, a few delays and confused messages, in actually extracting the final part from Europa.



Kind regards

Richard



Sent from my iPhone



 	  Quote: 	
		   On 27 Dec 2019, at 14:40, Peter Zutrauen <peterz(at)zutrasoft.com> wrote:

 

 As was encountered by some US builders, the thicker MG spar mod interferes with the mono's flap drive tube.

 Now that the MG wings have been approved in Britain, has the factory created a new tube shape which accommodates the thicker spars? If so, what might the part number and ballpark price be?

 

 Many thanks,

 Pete 

 C-GNPZ (#120) flying

 A239 still a pile of parts with both wings

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rparigoris

Joined: 24 Nov 2009
Posts: 792

Posted: Sat Dec 28, 2019 8:39 am Post subject: Re: MG wing spar - mono gear pushrod: design change?

Hi Pete

I have an XS Mono A-265. It has an accelerated cockpit module. I can assure you that it's not possible to have a solid pushrod work with both wings on my bird. I dealt with problem by installing a cable:

http://www.europaowners.org/main.php?g2_itemId=386633

In addition due to location my fuel tank is situated it's not possible to fit the larger spar. The fuel tank would need to be ripped out and re-positioned to use full size spar. I will deal with that by making a new spar mold to fit my bird that is a tiny bit narrower. Ron P.

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rparigoris

Joined: 24 Nov 2009
Posts: 792

Posted: Sat Dec 28, 2019 8:51 am Post subject: Re: MG wing spar - mono gear pushrod: design change?

Hi Pete Just to clarify, spar needs to be a little narrower in height, not width.

Ron P.

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peterz(at)zutrasoft.com
Guest

Posted: Sat Dec 28, 2019 6:23 pm Post subject: MG wing spar - mono gear pushrod: design change?

Thx Ron for the detailed description.



I would also  like to hear how the factory has done it since their approval of the long wings. As per Richard’s reply, the factory does have a new pushrod, and i wonder how they solved the interference issues you have described.



Pity they don’t monitor this group.



Cheers

Pete



First flights of re-badged C-GNPZ today. What a fun machine!



 	  Quote: 	
		   On Dec 28, 2019, at 11:46 AM, rparigoris <rparigor(at)hotmail.com> wrote:

 

 

 

 Hi Pete

 I have an XS Mono A-265. It has an accelerated cockpit module. I can assure you that it's not possible to have a solid pushrod work with both wings on my bird. I dealt with problem by installing a cable:

 http://www.europaowners.org/main.php?g2_itemId=386633

 In addition due to location my fuel tank is situated it's not possible to fit the larger spar. The fuel tank would need to be ripped out and re-positioned to use full size spar. I will deal with that by making a new spar mold to fit my bird that is a tiny bit narrower. Ron P.

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=494072#494072

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Sun Jan 05, 2020 10:12 am Post subject: Re: MG wing spar - mono gear pushrod: design change?

Pete,



We replaced the FL20 tube with a push pull cable a year ago.  The cable gives clearance for the taller MG spars.  Actually the cable works better than the tube since our tube rubbed in the fuselage.



Jim & Heather

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