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Zenith701801-List Digest: 1 Msgs - 06/10/13

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Bruce Cruikshank

Joined: 30 Jan 2011
Posts: 6

Posted: Tue Jun 11, 2013 7:50 am Post subject: Zenith701801-List Digest: 1 Msgs - 06/10/13

I used a 6" mill file, but rounded the edges of the file with a ScotchBrite wheel to avoid scratching in the sheet around the holes. Very fast, and does not remove valuable bearing area in the holes in thin sheet. 



Bruce CH750



On Tue, Jun 11, 2013 at 12:00 AM, Zenith701801-List Digest Server <zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)> wrote:

 [quote]*

 

  =========================

    Online Versions of Today's List Digest Archive

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 Today's complete Zenith701801-List Digest can also be found in either of the

 two Web Links listed below.  The .html file includes the Digest formatted

 in HTML for viewing with a web browser and features Hyperlinked Indexes

 and Message Navigation.  The .txt file includes the plain ASCII version

 of the Zenith701801-List Digest and can be viewed with a generic text editor

 such as Notepad or with a web browser.

 

 HTML Version:

 

     http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter=2013-06-10&Archive=Zenith701801

  

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     http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter=2013-06-10&Archive=Zenith701801

  

 

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                                       ---

                      Total Messages Posted Mon 06/10/13: 1

            ----------------------------------------------------------

 

 

 Today's Message Index:

 ----------------------

 

      1. 03:46 AM - Re: Deburring ribs, spar, channels and wing skins RW  (MacDonald Doug)

 

 

 

 ________________________________  Message 1  _____________________________________

 

 

 Time: 03:46:52 AM PST US

 From: MacDonald Doug <dougsnash(at)yahoo.com (dougsnash(at)yahoo.com)>

 Subject: Re: Deburring ribs, spar, channels and wing skins RW

 

 Perry, burrs are a sharp edge and provide a point which could become a stre

 ss riser and potentially lead to a crack.=C2- In other words, get rid of

 them all.=C2- I am a bit obsessive about eliminating burrs and sharp edge

 s=C2-on my projects.=C2- Fortunately, the 6061T6 which Zenith planes ar

 e made from is fairly easy to eliminate burrs.=C2- Rather than using the

 time consuming method of going over every hole with a larger drill bit or w

 ith a de-burring tool, you can easily de-burr using a file.=C2- I found a

  nice little vixen file at Princess Auto in their autobody department.=C2

 -=C2-The file=C2-is about a one inch square of file blade attached to

  a small wooden block.=C2- The file's intent is for removing small lumps

 in automotive body filler but is works great on aluminum.=C2- I also used

  a six inch fairly fine file to clean up the edges of the parts.=C2- Basi

 cally, when the part is de-burred acceptably, you should be able to run you

 r bare hand over any portion of the part

  and not get cut.=0A=C2-=0AHope this helps=0A=C2-=0ADoug MacDonald=0ACH

 -701 from scratch=0ANW Ontario, Canada=0A=C2- =0A=0A_____________________

 ___________=0A From: Perry Delano <pdelano(at)telus.net (pdelano(at)telus.net)>=0ATo: zenith701801-li

 st(at)matronics.com (st(at)matronics.com) =0ASent: Sunday, June 9, 2013 11:54:00 PM=0ASubject: Zenit

 h701801-List: Deburring ribs, spar, channels and wing skins RW=0A  =0A=0A

 =0AHi all,=0A=C2-=0AIs there a rule of thumb for deburring on a CH-701. I

 s a vixen file the best, flat file or should one go lightly with a counters

 ink bit or large drill bit. Is it enough to do under the factory head and b

 etween mating surfaces or does one have to remove the burrs from every side

 , even where the shop head of the rivet will contact. The building standard

 s say to ensure not to counter sink holes and a flat file may pull material

  into the hole but I don=99t believe it describes how best to do this

  work. I have done all the drilling on the upper and lower wing skins for t

 he right wing and started deburring when I thought, I=99d better see

 what others on the list have done.=0A=C2-=0ARegards,=0A=C2-=0APerry =0A

 =================

 

 

 

 

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 -List" target="_blank">http://www.matronics.com/Navigator?Zenith701801-List

 ===========

 http://forums.matronics.com

 ===========

 le, List Admin.

 ="_blank">http://www.matronics.com/contribution

 ===========

 

 

 

 

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raymondj(at)frontiernet.n
Guest

Posted: Tue Jun 11, 2013 8:26 am Post subject: Zenith701801-List Digest: 1 Msgs - 06/10/13

I did the same thing         with a vixen file.  Broke off a             piece about 3" long and               ground off all the corners.                As I recall, that's       what was used in the rudder workshop.

        	  Quote: 	
		  Raymond Julian

Kettle River, MN.



"And you know that I could have me a million more friends,

and all I'd have to lose is my point of view." - John Prine 	
       On 06/11/2013 10:50 AM, Bruce Cruikshank wrote:

     

     [quote]       I used a 6" mill file, but rounded the edges of the         file with a ScotchBrite wheel to avoid scratching in the sheet         around the holes. Very fast, and does not remove valuable         bearing area in the holes in thin sheet.                    

         

         Bruce CH750

       

       

         

         On Tue, Jun 11, 2013 at 12:00 AM,           Zenith701801-List Digest Server <zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)>           wrote:

            	  Quote: 	
		  *

             

              =========================

                Online Versions of Today's List Digest Archive

              =========================

             

             Today's complete Zenith701801-List Digest can also be found             in either of the

             two Web Links listed below.  The .html file includes the             Digest formatted

             in HTML for viewing with a web browser and features             Hyperlinked Indexes

             and Message Navigation.  The .txt file includes the plain             ASCII version

             of the Zenith701801-List Digest and can be viewed with a             generic text editor

             such as Notepad or with a web browser.

             

             HTML Version:

             

                 [url=http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 13-06-10&Archive=Zenith701801]http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 13-06-10&Archive=Zenith701801[/url]

             

             Text Version:

             

                 [url=http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 13-06-10&Archive=Zenith701801]http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 13-06-10&Archive=Zenith701801[/url]

             

             

              ================================================

                EMail Version of Today's List Digest Archive

              ================================================

             

             

                                    ----------------------------------------------------------

                                        Zenith701801-List Digest Archive

                                                   ---

                                  Total Messages Posted Mon 06/10/13: 1

                                    ----------------------------------------------------------

             

             

             Today's Message Index:

             ----------------------

             

                  1. 03:46 AM - Re: Deburring ribs, spar, channels and             wing skins RW  (MacDonald Doug)

             

             

             

             ________________________________  Message 1              _____________________________________

             

             

             Time: 03:46:52 AM PST US

             From: MacDonald Doug <dougsnash(at)yahoo.com (dougsnash(at)yahoo.com)>

             Subject: Re: Deburring ribs, spar,             channels and wing skins RW

             

             Perry, burrs are a sharp edge and provide a point which             could become a stre

             ss riser and potentially lead to a crack.=C2- In other             words, get rid of

             them all.=C2- I am a bit obsessive about eliminating burrs             and sharp edge

             s=C2-on my projects.=C2- Fortunately, the 6061T6 which             Zenith planes ar

             e made from is fairly easy to eliminate burrs.=C2- Rather             than using the

             time consuming method of going over every hole with a larger             drill bit or w

             ith a de-burring tool, you can easily de-burr using a             file.=C2- I found a

              nice little vixen file at Princess Auto in their autobody             department.=C2

             -=C2-The file=C2-is about a one inch square of file blade             attached to

              a small wooden block.=C2- The file's intent is for removing             small lumps

             in automotive body filler but is works great on             aluminum.=C2- I also used

              a six inch fairly fine file to clean up the edges of the             parts.=C2- Basi

             cally, when the part is de-burred acceptably, you should be             able to run you

             r bare hand over any portion of the part

              and not get cut.=0A=C2-=0AHope this helps=0A=C2-=0ADoug             MacDonald=0ACH

             -701 from scratch=0ANW Ontario, Canada=0A=C2-             =0A=0A_____________________

             ___________=0A From: Perry Delano <pdelano(at)telus.net (pdelano(at)telus.net)>=0ATo:             zenith701801-li

             st(at)matronics.com (st(at)matronics.com)             =0ASent: Sunday, June 9, 2013 11:54:00 PM=0ASubject: Zenit

             h701801-List: Deburring ribs, spar, channels and wing skins             RW=0A  =0A=0A

             =0AHi all,=0A=C2-=0AIs there a rule of thumb for deburring             on a CH-701. I

             s a vixen file the best, flat file or should one go lightly             with a counters

             ink bit or large drill bit. Is it enough to do under the             factory head and b

             etween mating surfaces or does one have to remove the burrs             from every side

             , even where the shop head of the rivet will contact. The             building standard

             s say to ensure not to counter sink holes and a flat file             may pull material

              into the hole but I don=99t believe it describes how best             to do this

              work. I have done all the drilling on the upper and lower             wing skins for t

             he right wing and started deburring when I thought, I=99d             better see

             what others on the list have             done.=0A=C2-=0ARegards,=0A=C2-=0APerry =0A

             =================

             

             

             

             

             ===========

             -List"             target="_blank">http://www.matronics.com/Navigator?Zenith701801-List

             ===========

             http://forums.matronics.com

             ===========

             le, List Admin.

             ="_blank">http://www.matronics.com/contribution

             ===========

             

             

             

             

           

	
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