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Removal of u/c brackets from QB fuselage

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rj_todd(at)yahoo.co.uk
Guest

Posted: Sat Aug 09, 2008 4:03 am Post subject: Removal of u/c brackets from QB fuselage

Hullo Everyone,



Is there anyone out there who has successfully managed to remove the main under carriage brackets from their QB fuselage?



There was a link some time ago where the question was asked how people had managed to remove the bolts and after many hours I have succeded in that.  Apparently most were defeated and gave up any idea of inspecting under those floors, installing insulation/wiring/whatever there.  My QB came with the front cabin floors temporarily in place.  To be able to remove them you need to remove the u/c brackets.



Now the bolts are out, I find that I am unable to get the u/c brackets out because you need to pull them forwards whilst at the same time dropping the front attachment bar of the u/c bracket below the level of the front floor which is clearly impossible.  Hence the question, has anyone managed to solve the puzzle short of destroying the front floors - Tim's log stated that his floors were not supplied with his kit and he did not have this problem. 



I'm dreading the reconstruction ............!



Many thanks,



Rodger 40437

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davelammers(at)mchsi.com
Guest

Posted: Sat Aug 09, 2008 5:06 am Post subject: Removal of u/c brackets from QB fuselage

Roger,

 It is possible!  I did it so as to put sound insulation in that area.

 I do remember it took a lot of head scratching and a few (at)#$%^& words helped, but I don't remember the specifics.

 Sorry no pictures.  Wish I could help more, but the answer to your question is yes, it can, and has, been done but is not easy.

 Dave Lammers

 Finishing forever

 

 

 Rodger Todd wrote: [quote]    	  Quote: 	
		  --> RV10-List message posted by: Rodger Todd <rj_todd(at)yahoo.co.uk> (rj_todd(at)yahoo.co.uk)



Hullo Everyone,



Is there anyone out there who has successfully managed to remove the main under carriage brackets from their QB fuselage?



  	
 [b]

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Tim Olson

Joined: 25 Jan 2007
Posts: 2881

Posted: Sat Aug 09, 2008 6:15 am Post subject: Removal of u/c brackets from QB fuselage

I feel your pain.  Those gear brackets aren't fun to take

in and out.  I did remove mine after I had them in though, so

I know how irritating it is.  As you've already heard, one

good reason to pull them is to put sound insulation under

there.  I have 3/4" foam under my front panels and in the

front sidewalls.

Tim Olson - RV-10 N104CD - Flying

do not archive

Rodger Todd wrote:

 	  Quote: 	
		   

 

 Hullo Everyone,

 

 Is there anyone out there who has successfully managed to remove the

 main under carriage brackets from their QB fuselage?

 

 There was a link some time ago where the question was asked how

 people had managed to remove the bolts and after many hours I have

 succeded in that.  Apparently most were defeated and gave up any idea

 of inspecting under those floors, installing

 insulation/wiring/whatever there.  My QB came with the front cabin

 floors temporarily in place.  To be able to remove them you need to

 remove the u/c brackets.

 

 Now the bolts are out, I find that I am unable to get the u/c

 brackets out because you need to pull them forwards whilst at the

 same time dropping the front attachment bar of the u/c bracket below

 the level of the front floor which is clearly impossible.  Hence the

 question, has anyone managed to solve the puzzle short of destroying

 the front floors - Tim's log stated that his floors were not supplied

 with his kit and he did not have this problem.

 

 I'm dreading the reconstruction ............!

 

 Many thanks,

 

 Rodger 40437

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effectus(at)rogers.com
Guest

Posted: Sat Aug 09, 2008 6:16 am Post subject: Removal of u/c brackets from QB fuselage

Roger,



I went through the arduous process of removing the undercarriage 

brackets to get the front floor panels out. There was much swearing and 

numerous skinned knuckles. Not a fun project.



To keep from having to do this ever again should the need arise to get 

under the front floor panels I decided to modify the outboard aft corner 

of the floor panel. I cut the panel diagonally at a 45 deg. a couple of 

inches out from the corner and attached it permanently under the gear 

leg bracket brace. I then fashioned an aluminum brace under the floor 

that I could pop rivet the two floor pieces to along the seam.



I can't say that I would relish the thought of doing it again but at the 

time I rightly decided to gain access to the area under the front floors 

so that I could put the sound insulation in and to inspect the work done 

overseas.



Dave 40164



Rodger Todd wrote:

 	  Quote: 	
		   

 

 Hullo Everyone,

 

 Is there anyone out there who has successfully managed to remove the main under carriage brackets from their QB fuselage?

 

 There was a link some time ago where the question was asked how people had managed to remove the bolts and after many hours I have succeded in that.  Apparently most were defeated and gave up any idea of inspecting under those floors, installing insulation/wiring/whatever there.  My QB came with the front cabin floors temporarily in place.  To be able to remove them you need to remove the u/c brackets.

 

 Now the bolts are out, I find that I am unable to get the u/c brackets out because you need to pull them forwards whilst at the same time dropping the front attachment bar of the u/c bracket below the level of the front floor which is clearly impossible.  Hence the question, has anyone managed to solve the puzzle short of destroying the front floors - Tim's log stated that his floors were not supplied with his kit and he did not have this problem. 

 

 I'm dreading the reconstruction ............!

 

 Many thanks,

 

 Rodger 40437

 

 

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johngoodman

Joined: 18 Sep 2006
Posts: 530
Location: GA

Posted: Sat Aug 09, 2008 12:00 pm Post subject: Re: Removal of u/c brackets from QB fuselage

 	  Quote: 	
		  Hullo Everyone, 



Is there anyone out there who has successfully managed to remove the main under carriage brackets from their QB fuselage? 	




I didn't bother. I used a reamer for the match drilling, and you can vacuum out through the lightening holes on the aft side. I did check the torque on the bolts. I'm giving all my business to Bose when it comes to sound.

John

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_________________
#40572 Phase One complete in 2011

Lenny Iszak

Joined: 23 Mar 2008
Posts: 270

Posted: Mon Aug 11, 2008 6:08 am Post subject: Re: Removal of u/c brackets from QB fuselage

I'm doing the same thing. I removed one of them already and got one more to go.

After much cursing I managed to get the mount past the fuselage bulkhead that's in the way and then it just came out.



What I'm worried about though is how do I torque those bolts. My monstrous torque wrench will not fit in there. Is it OK to torque them with the torque wrench on the bolt side instead of the nut side? It looked as if the phillippinos did not bother torquing them. Some got lose very easily...



The bolts looked pretty whacked by the time they came out, so I replaced all of them. All bolts and nuts cost about $20

Lenny

#40803

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