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Rivet removal question

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DrHook

Joined: 06 Apr 2006
Posts: 13
Location: Knights Landing CA

Posted: Thu Apr 06, 2006 4:03 am Post subject: Rivet removal question

I am doing a re-cover job on my firestar want to know if I should try and remove all the rivets that are used for the fabric tape on the ribs.

My question is should I leave them in, and just cover over them?

By leaving them in, I would have to put more on the new tape and it might compromise the strenght of the ribs.

By removing them, there will be rivet peices stuck in the middle of the ribs aluminum tubing.

I am leaning on removing and using the same holes to re-rivet the fabric tape.

Anyone have suggestions or have done a re-cover?

Also I found this rivet removing tool at Aircraft Spruce. Is this tool a must have? or can I just use a 1/8" drill and remove them?

Here is the link to the tool. Anyone use it?

Thanks in Advance, Chris



http://www.aircraftspruce.com/catalog/topages/rivetremoval.php

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_________________
Kolb Firestar owner, Rebuild-Recover job at hand.

slyck(at)frontiernet.net
Guest

Posted: Thu Apr 06, 2006 4:52 am Post subject: Rivet removal question

Drill them out and reuse the same holes.  No problem.

All old Kolbs have rivet ends in them.  Except for when handling the 

wings

for removal, etc, you will never notice them.

-BB



On 6, Apr 2006, at 8:03 AM, DrHook wrote:



 	  Quote: 	
		   



 I am doing a re-cover job on my firestar want to know if I should try 

 and remove all the rivets that are used for the fabric tape on the 

 ribs.

 My question is should I leave them in, and just cover over them?

 By leaving them in, I would have to put more on the new tape and it 

 might compromise the strenght of the ribs.

 By removing them, there will be rivet peices stuck in the middle of 

 the ribs aluminum tubing.

 I am leaning on removing and using the same holes to re-rivet the 

 fabric tape.

 Anyone have suggestions or have done a re-cover?

 Also I found this rivet removing tool at Aircraft Spruce. Is this tool 

 a must have? or can I just use a 1/8" drill and remove them?

 Here is the link to the tool. Anyone use it?

 Thanks in Advance, Chris



 http://www.aircraftspruce.com/catalog/topages/rivetremoval.php



 --------

 Kolb Firestar owner, Rebuild-Recover job at hand.





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=26708#26708

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biglar

Joined: 14 Jan 2006
Posts: 457

Posted: Thu Apr 06, 2006 4:59 am Post subject: Rivet removal question

I wouldn't leave them in.  Drilling them out with a 1/8" drill will work 

fine, but the rivets will tend to spin, and enlarge the hole a bit.  John 

Hauck built a tool to stop this that works very well.  As I recall, he took 

a piece of a hacksaw blade and ground the teeth off a section, then cut a 

"V" in the end.  Sharpen the V on one side, so that you can press it under 

the head of the rivet and apply pressure while you drill.  Be very careful 

with *every* single rivet, so the bit doesn't jump and mar the aluminum. 

Use light pressure, and a new, sharp drill bit.  I think I remember this 

correctly - some one else who isn't at SnF might remember a link to a 

picture of it, or it may be in the archives.  I also like to use a sharp 

pointed snap punch to knock the broken stub out of each rivet before 

drilling them.  Makes it much quicker and more accurate. 

Lar.



Larry Bourne

Palm Springs, CA

Building Kolb Mk III

N78LB  Vamoose

www.gogittum.com



---

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Larry Bourne
Palm Springs, CA
Building Kolb Mk IIIC
"Vamoose"

John Cooley

Joined: 10 Jan 2006
Posts: 17
Location: Lucedale, Ms.

Posted: Thu Apr 06, 2006 6:00 am Post subject: Rivet removal question

Hi Gang and DrHook, 



Just drill the old ones out. The aluminum fabric rivets don't spin nearly as

bad as the old steel or especially the ss rivets. The ss ones can be a real

pain in the butt. I have also recovered a Kolb and this is what I did with

no problems. Matter of fact, flew that very plane yesterday. First time I've

been up in a possum's....errr coon's age. Sorry Possum, have a hard time

differentiating between coons and possums.  



Later,

John Cooley



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Be Safe,
John Cooley

Duncan McBride

Joined: 16 Jan 2006
Posts: 5
Location: Fort Myers, FL

Posted: Thu Apr 06, 2006 9:35 am Post subject: Rivet removal question

Those are aluminum rivets and should drill out very easily.  With a sharp new bit, you can drill at a slight angle to keep it from spinning and they should only take a moment to drill through.



-------------- Original message -------------- 

From: "Larry Bourne" <biglar(at)gogittum.com> 



[quote] 

 

 I wouldn't leave them in. Drilling them out with a 1/8" drill will work 

 fine, but the rivets will tend to spin, and enlarge the hole a bit. John 

 Hauck built a tool to stop this that works very well. As I recall, he took 

 a piece of a hacksaw blade and ground the teeth off a section, then cut a 

 "V" in the end. Sharpen the V on one side, so that you can press it under 

 the head of the rivet and apply pressure while you drill. Be very careful 

 with *every* single rivet, so the bit doesn't jump and mar the aluminum. 

 Use light pressure, and a new, sharp drill bit. I think I remember this 

 correctly - some one else who isn't at SnF might remember a link to a 

 picture of it, or it may be in the archives. I also like to use a sharp 

 pointed snap punch to knock the broken stub out of each rivet before 

 drilling them. Makes it much quicker and more accurate. 

 Lar. 

 

 Larry Bourne 

 Palm Springs, CA 

 Building Kolb Mk III 

 N78LB Vamoose 

 www.gogittum.com 

 

 ---

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Mk III, 319DM

ElleryWeld(at)aol.com
Guest

Posted: Thu Apr 06, 2006 4:03 pm Post subject: Rivet removal question

You can just use a 1/8 inch drill to remove the rivits and take the leading 

edge or the trailing edge tube off and get the pieces out of the ribs or 

another option it to send them to the end of the ribs and squirt a small ammount of 

epoxy in to hold  them from raddling around inside 

I wouldnt concider covering over them it wouldnt look to good on a finished 

wing 

you can cash this in for what its worth  [just some other options] for you



Ellery in Rebuilt  Firestar 



do not archive

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DrHook

Joined: 06 Apr 2006
Posts: 13
Location: Knights Landing CA

Posted: Fri Apr 07, 2006 3:21 am Post subject: Re: Rivet removal question

Thanks, Guys,

I will drill them out, I think the heads are wide enough where I can use a small pair of vice grips on them, to keep em from spinning and will still have room for drilling.

My supplies I ordered from Aircraft Spruce showed up yeserday. This weekend its all about workin on this baby.

At first I was a bit overwelmed with all the work, but now, I think I can, I think I can. Oh Hell, I know I can!!!

You guys are great. I sincerley appriciate the advice here. Mike, "planecrazzzy" was right, this is the forum to be at. I will keep you posted on the progress, & I am sure, I will need some more questions answered.

Again, Mucho thanks Fellas, Chris

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