RV6-List Digest Archive

Sat 01/25/03


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 08:49 AM - Re: Aileron hinge (dean van winkle)
     2. 10:01 AM - Re: Aileron hinge (Dave von Linsowe)
     3. 10:49 AM - [ Ollie Washburn ] : New Email List Photo Share Available! (Email List Photo Shares)
     4. 11:38 AM - Re: Aileron hinge ()
 
 
 


Message 1


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    Time: 08:49:27 AM PST US
    From: "dean van winkle" <dvanwinkle@royell.net>
    Subject: Re: Aileron hinge
    --> RV6-List message posted by: "dean van winkle" <dvanwinkle@royell.net> Dave I took another good look at my RV-9A flap and aileron hinge brackets. The approach that I described would work readily for the bronze ( oilite ? ) bushings in the external hinge brackets for the slotted flaps. However, my aileron hinge brackets are of the same type construction as you described, and consist of a sandwich of 2 pieces of .125 sheet. The bearing centerline on mine is approx 3 inches from supporting structure. I believe that by removing the 2 rivets close to the bearing plus the 2 rivets in the aileron up stop in the inboard bracket, that the 2 parts could be carefully flexed apart just enough to remove/replace the bearing without causing any permanent deformation. If the distance on yours is much less than 3 inches, I think that the whole bracket would probably have to come off to separate the parts. Please note that I don't have an RV-6 close by to look at. Best Regards Dean ----- Original Message ----- From: "Dave von Linsowe" <davevon@tir.com> Subject: Re: RV6-List: Aileron hinge > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > Dean, > > I got out my high powered bifocals and cleaned up the bearing to take a > look. The hinge bracket coming off the wing is two pieces sandwiched and > riveted together. They are counter bored for the bearing to nest in. The > counter bores (each side) are too big in diameter and too deep. From what I > can tell the bearing is not pressed in or staked in from one side or the > other. It looks like the pieces were counter bored and the bearing > installed between them, then they were riveted together. I don't believe > that the bearing can be removed without drilling out the rivets and > separating the two pieces. > > Dave > > > > Dave > > > > I don't know whether your aileron hinge bearings are similar to the ones > on > > my RV-9A or not. In any case, a common shop trick to remove/replace > > bearings in place is to use a socket or bushing that is smaller than the > > bracket ID on one side and a socket large enough to clear the bearing on > the > > other side and a bolt or piece of threaded rod will work as a press for > > removal. Reverse the process for installation. If the replacement > bearing > > is a uniball type as mine is, be careful that the bushing/socket only > > presses against the outer rim so as not to damage the bearing itself. The > > same caution would apply to ball or roller bearing replacement by this > > method. Hope this helps. > > > > Dean Van Winkle > > RV-9A Fuselage > > > > > > ----- Original Message ----- > > From: "Dave von Linsowe" <davevon@tir.com> > > To: "RV6-list" <rv6-list@matronics.com>; <RV-6and6A@yahoogroups.com>; > > <rv-list@matronics.com> > > Subject: RV6-List: Aileron hinge > > > > > > > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > > > > > Help! I recently noticed that both inboard aileron hinges have a little > > > slop that has me concerned. > > > > > > The source of the movement is the fit between the pivot bushing/bearing > > and > > > the hinge bracket on the wing. Looks to be .015"-.020" radially and > .030" > > > axially. I have the means to manufacture an oversized bushing to > > eliminate > > > the play, but my question is. Can the bushing be removed without > removing > > > hinge bracket from the wing? Or is there some other method of > tightening > > up > > > the bushing? > > > > > > Thanks, > > > > > > Dave > > > RV-6 > > > > > > > > > > > >


    Message 2


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    Time: 10:01:36 AM PST US
    From: "Dave von Linsowe" <davevon@tir.com>
    Subject: Re: Aileron hinge
    --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> Thanks Dean. I was thinking the same thing. Although, once I get the bearing out then what? I guess I could turn up a sleeve for the bearing. Depending on what Van's says, I'm thinking gap filling Loctite applied with a syringe and something to block it from the race. The only problem is with our heat wave the high today is going to be 22... Dave ----- Original Message ----- From: "dean van winkle" <dvanwinkle@royell.net> Subject: Re: RV6-List: Aileron hinge > --> RV6-List message posted by: "dean van winkle" <dvanwinkle@royell.net> > > Dave > > I took another good look at my RV-9A flap and aileron hinge brackets. The > approach that I described would work readily for the bronze ( oilite ? ) > bushings in the external hinge brackets for the slotted flaps. However, my > aileron hinge brackets are of the same type construction as you described, > and consist of a sandwich of 2 pieces of .125 sheet. The bearing centerline > on mine is approx 3 inches from supporting structure. I believe that by > removing the 2 rivets close to the bearing plus the 2 rivets in the aileron > up stop in the inboard bracket, that the 2 parts could be carefully flexed > apart just enough to remove/replace the bearing without causing any > permanent deformation. If the distance on yours is much less than 3 inches, > I think that the whole bracket would probably have to come off to separate > the parts. Please note that I don't have an RV-6 close by to look at. > > Best Regards Dean > ----- Original Message ----- > From: "Dave von Linsowe" <davevon@tir.com> > To: <rv6-list@matronics.com> > Subject: Re: RV6-List: Aileron hinge > > > > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > > > Dean, > > > > I got out my high powered bifocals and cleaned up the bearing to take a > > look. The hinge bracket coming off the wing is two pieces sandwiched and > > riveted together. They are counter bored for the bearing to nest in. The > > counter bores (each side) are too big in diameter and too deep. From what > I > > can tell the bearing is not pressed in or staked in from one side or the > > other. It looks like the pieces were counter bored and the bearing > > installed between them, then they were riveted together. I don't believe > > that the bearing can be removed without drilling out the rivets and > > separating the two pieces. > > > > Dave > > > > > > > Dave > > > > > > I don't know whether your aileron hinge bearings are similar to the ones > > on > > > my RV-9A or not. In any case, a common shop trick to remove/replace > > > bearings in place is to use a socket or bushing that is smaller than the > > > bracket ID on one side and a socket large enough to clear the bearing on > > the > > > other side and a bolt or piece of threaded rod will work as a press for > > > removal. Reverse the process for installation. If the replacement > > bearing > > > is a uniball type as mine is, be careful that the bushing/socket only > > > presses against the outer rim so as not to damage the bearing itself. > The > > > same caution would apply to ball or roller bearing replacement by this > > > method. Hope this helps. > > > > > > Dean Van Winkle > > > RV-9A Fuselage > > > > > > > > > ----- Original Message ----- > > > From: "Dave von Linsowe" <davevon@tir.com> > > > To: "RV6-list" <rv6-list@matronics.com>; <RV-6and6A@yahoogroups.com>; > > > <rv-list@matronics.com> > > > Subject: RV6-List: Aileron hinge > > > > > > > > > > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > > > > > > > Help! I recently noticed that both inboard aileron hinges have a > little > > > > slop that has me concerned. > > > > > > > > The source of the movement is the fit between the pivot > bushing/bearing > > > and > > > > the hinge bracket on the wing. Looks to be .015"-.020" radially and > > .030" > > > > axially. I have the means to manufacture an oversized bushing to > > > eliminate > > > > the play, but my question is. Can the bushing be removed without > > removing > > > > hinge bracket from the wing? Or is there some other method of > > tightening > > > up > > > > the bushing? > > > > > > > > Thanks, > > > > > > > > Dave > > > > RV-6 > > > > > > > > > > > > > > > > > > > >


    Message 3


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    Time: 10:49:45 AM PST US
    Subject: [ Ollie Washburn ] : New Email List Photo Share Available!
    From: Email List Photo Shares <pictures@matronics.com>
    --> RV6-List message posted by: Email List Photo Shares <pictures@matronics.com> A new Email List Photo Share is available: Poster: Ollie Washburn <ollie-6a@prodigy.net> Subject: RV Tow Bars... http://www.matronics.com/photoshare/ollie-6a@prodigy.net.01.25.2003/index.html -------------------------------------------- o EMAIL LIST PHOTO SHARE Share your files and photos with other List members simply by emailing the files to: pictures@matronics.com Please view the typical Share above and include the Description Text Fields as shown along with your submission of files and photos. o Main Photo Share Index: http://www.matronics.com/photoshare --------------------------------------------


    Message 4


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    Time: 11:38:06 AM PST US
    From: <tgreene5@cinci.rr.com>
    Subject: Re: Aileron hinge
    --> RV6-List message posted by: <tgreene5@cinci.rr.com> How about having Van replace the part, if it isn't right? What did they say about it? ----- Original Message ----- From: "Dave von Linsowe" <davevon@tir.com> Subject: Re: RV6-List: Aileron hinge > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > Thanks Dean. > > I was thinking the same thing. Although, once I get the bearing out then > what? I guess I could turn up a sleeve for the bearing. > > Depending on what Van's says, I'm thinking gap filling Loctite applied with > a syringe and something to block it from the race. The only problem is with > our heat wave the high today is going to be 22... > > Dave > > ----- Original Message ----- > From: "dean van winkle" <dvanwinkle@royell.net> > To: <rv6-list@matronics.com> > Subject: Re: RV6-List: Aileron hinge > > > > --> RV6-List message posted by: "dean van winkle" <dvanwinkle@royell.net> > > > > Dave > > > > I took another good look at my RV-9A flap and aileron hinge brackets. The > > approach that I described would work readily for the bronze ( oilite ? ) > > bushings in the external hinge brackets for the slotted flaps. However, > my > > aileron hinge brackets are of the same type construction as you described, > > and consist of a sandwich of 2 pieces of .125 sheet. The bearing > centerline > > on mine is approx 3 inches from supporting structure. I believe that by > > removing the 2 rivets close to the bearing plus the 2 rivets in the > aileron > > up stop in the inboard bracket, that the 2 parts could be carefully flexed > > apart just enough to remove/replace the bearing without causing any > > permanent deformation. If the distance on yours is much less than 3 > inches, > > I think that the whole bracket would probably have to come off to separate > > the parts. Please note that I don't have an RV-6 close by to look at. > > > > Best Regards Dean > > ----- Original Message ----- > > From: "Dave von Linsowe" <davevon@tir.com> > > To: <rv6-list@matronics.com> > > Subject: Re: RV6-List: Aileron hinge > > > > > > > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > > > > > Dean, > > > > > > I got out my high powered bifocals and cleaned up the bearing to take a > > > look. The hinge bracket coming off the wing is two pieces sandwiched > and > > > riveted together. They are counter bored for the bearing to nest in. > The > > > counter bores (each side) are too big in diameter and too deep. From > what > > I > > > can tell the bearing is not pressed in or staked in from one side or the > > > other. It looks like the pieces were counter bored and the bearing > > > installed between them, then they were riveted together. I don't > believe > > > that the bearing can be removed without drilling out the rivets and > > > separating the two pieces. > > > > > > Dave > > > > > > > > > > Dave > > > > > > > > I don't know whether your aileron hinge bearings are similar to the > ones > > > on > > > > my RV-9A or not. In any case, a common shop trick to remove/replace > > > > bearings in place is to use a socket or bushing that is smaller than > the > > > > bracket ID on one side and a socket large enough to clear the bearing > on > > > the > > > > other side and a bolt or piece of threaded rod will work as a press > for > > > > removal. Reverse the process for installation. If the replacement > > > bearing > > > > is a uniball type as mine is, be careful that the bushing/socket only > > > > presses against the outer rim so as not to damage the bearing itself. > > The > > > > same caution would apply to ball or roller bearing replacement by this > > > > method. Hope this helps. > > > > > > > > Dean Van Winkle > > > > RV-9A Fuselage > > > > > > > > > > > > ----- Original Message ----- > > > > From: "Dave von Linsowe" <davevon@tir.com> > > > > To: "RV6-list" <rv6-list@matronics.com>; <RV-6and6A@yahoogroups.com>; > > > > <rv-list@matronics.com> > > > > Subject: RV6-List: Aileron hinge > > > > > > > > > > > > > --> RV6-List message posted by: "Dave von Linsowe" <davevon@tir.com> > > > > > > > > > > Help! I recently noticed that both inboard aileron hinges have a > > little > > > > > slop that has me concerned. > > > > > > > > > > The source of the movement is the fit between the pivot > > bushing/bearing > > > > and > > > > > the hinge bracket on the wing. Looks to be .015"-.020" radially and > > > .030" > > > > > axially. I have the means to manufacture an oversized bushing to > > > > eliminate > > > > > the play, but my question is. Can the bushing be removed without > > > removing > > > > > hinge bracket from the wing? Or is there some other method of > > > tightening > > > > up > > > > > the bushing? > > > > > > > > > > Thanks, > > > > > > > > > > Dave > > > > > RV-6 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >




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