[SPAM] RE: Wing tube socket stop repair ideas

[Brian Young]

Ive seen one plane fail the tube at the hole location
when done this way. It was a fatigue failure.

Ive heard of others who have always done this. I
wouldnt put a hole there, just my preference for
reducing opportunity for failure. If you do check the
tube once in awhile.


--- Bob Kane <getterflash at yahoo.com> wrote:
> I would be concerned about weakening the wing tube
> by drilling a hole near the center, the compression
> and tension forces are at their maximum. But your
> experience shows it works, the tube must be much
> stronger than it needs to be. 
> 
> Dennis Cone <cone.man at verizon.net> wrote:Something I
> have been doing for several years is to install a
> small piece of
> light ply to the tube sleeve inside the fuselage and
> drilling through it and
> the sleeve and then tapping the wing tube. This not
> only eliminates the need
> for wing tube stops, which save weight, but also
> stops any turning of the
> tube in the sockets. Just don't over tighten the
> 4-40 socket screw.
> 
> Dennis Cone
> 
> 
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On
> Behalf Of jivey61 at bellsouth.net
> Sent: Monday, May 17, 2004 11:15 AM
> To: discussion at nsrca.org
> Subject: Re: Wing tube socket stop repair ideas
> 
> Bob
> If you do this be very careful not to get any CA on
> the inside(sides) of the
> tube. It will cause the tube to get tight in this
> area.May have more trouble
> than you wanted.
> 
> Jim Ivey
> >
> > From: Bob Kane 
> > Date: 2004/05/17 Mon PM 01:00:23 EDT
> > To: nsrca 
> > Subject: Wing tube socket stop repair ideas
> >
> > I have a minor problem with a wing tube socket.
> The stop at the inside end
> of the tube is a 1/4" piece of wing tube material
> with a slot cut in it so
> it fits inside the tube and glued in place. After
> two seasons of flying, for
> whatever reason, the wing tube can now push itself
> past this stop and wedge
> in the tube socket. It is a minor annoyance, but I
> was pondering possible
> fixes. One was to cut teeth into an old wing tube
> and grind a bit of the
> existing stop out, then pushing an 1/8 plywood disk
> to the bottom of the
> tube and securing with a few drops of foam safe CA.
> >
> > Anyone run into this problem before and have
> alternative methods of
> repair? Thanks.
> >
> >
> > Bob Kane
> > getterflash at yahoo.com
> >
> > ---------------------------------
> > Do you Yahoo!?
> > SBC Yahoo! - Internet access at a great low price.
> >
> 
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> 
> Bob Kane
> getterflash at yahoo.com
> 		
> ---------------------------------
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