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Rivets in the 601XL elevator ribs

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lwinger

Joined: 21 Jun 2006
Posts: 229
Location: Tustin, CA

Posted: Thu Oct 19, 2006 6:24 pm Post subject: Rivets in the 601XL elevator ribs

I'm perplexed.  Looking at the plans (6T3) we're told to put 9 rivets in the top skin at 40 pitch on the outboard ribs.  Then we're to go to 10 rivets at 40 pitch on the other four ribs.  

  

 Two problems:

  

 1) On the outboard ribs, this puts the last rivet beyond my elevator rib tip.  Do I reduce the pitch or forget the last rivet?

  

 2) On the other ribs, 10 rivets at 40 pitch extends out to 360mm on a skin that is only 345mm wide.  Either I need to adjust my pitch to something less than 40mm, or stop at 8 to catch material on my ribs.

  

 Help.

  

 Larry Winger

 Tustin, CA

 601XL

 Stabilizer complete/Working on the elevator

  [quote][b]

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_________________
Larry Winger
Tustin, CA
Plans building 601XL/650 with Corvair
Installing fuel system
www.mykitlog.com/lwinger

Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Thu Oct 19, 2006 7:09 pm Post subject: Re: Rivets in the 601XL elevator ribs

Larry,



I ran in to the same problem and solved it by knowing 40 pitch is the maximum pitch, you can always go for less pitch.  Some of my 40 pitch are actually 35mm.  



What I did is marked the end rivets at the correct edge distance then set the fan to fill the void with the correct number of rivets.  If it came out at 35mm, so be it.



Here is a picture of my rivet fan.  I wrote numbers on it so I don't have to count, hows that for lazy8) 



Have fun,

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100_0975.jpg

Description:

Number your rivet fan

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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/

Last edited by Ron Lendon on Tue Oct 24, 2006 11:13 am; edited 1 time in total

ter_turn(at)yahoo.com
Guest

Posted: Thu Oct 19, 2006 7:15 pm Post subject: Rivets in the 601XL elevator ribs

Larry, my plans, 06/03,  call for nine rivets across the top each rib, A4 Pitch 40 and eight rivets each rib on bottom skin.

   

  Terry Turnquist

  601 XL Plans

  St. Peters, MO



Larry Winger <larrywinger(at)gmail.com> wrote:

  [quote]  I'm perplexed.  Looking at the plans (6T3) we're told to put 9 rivets in the top skin at 40 pitch on the outboard ribs.  Then we're to go to 10 rivets at 40 pitch on the other four ribs.  

   

  Two problems:

   

  1) On the outboard ribs, this puts the last rivet beyond my elevator rib tip.  Do I reduce the pitch or forget the last rivet?

   

  2) On the other ribs, 10 rivets at 40 pitch extends out to 360mm on a skin that is only 345mm wide.  Either I need [quote][b]

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lwinger

Joined: 21 Jun 2006
Posts: 229
Location: Tustin, CA

Posted: Thu Oct 19, 2006 7:56 pm Post subject: Rivets in the 601XL elevator ribs

Ron,

  

 That sounds like a workable solution.  Unless I hear from anyone else on the list who has a convincing argument to the contrary, that will be my plan.

  

 Thanks,

Larry



 

 On 10/19/06, Ron Lendon <rlendon(at)comcast.net (rlendon(at)comcast.net)> wrote: [quote]--> Zenith-List message posted by: "Ron Lendon" <rlendon(at)comcast.net  (rlendon(at)comcast.net)>



Larry,



I ran in to the same problem and solved it by knowing 40 pitch is the maximum pitch, you can always go for less pitch.  Some of my 40 pitch are actually 35mm.



What I did is marked the end rivets at the correct edge distance then set the fan to fill the void with the correct number of rivets.  If it came out at 35mm, so be it. 



Have fun,



--------

Ron Lendon, Clinton Township, MI

Corvair Zodiac XL, ScrapBuilder 

http://www.mykitlog.com/rlendon





Read this topic online here:  [quote][b]

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_________________
Larry Winger
Tustin, CA
Plans building 601XL/650 with Corvair
Installing fuel system
www.mykitlog.com/lwinger

gboothe(at)calply.com
Guest

Posted: Fri Oct 20, 2006 1:35 am Post subject: Rivets in the 601XL elevator ribs

Larry,  

   

Ron’s explanation is exactly right.  

     

Gary Boothe 

 Cool, CA 

 601 HDSTD, WW Conversion 90% done, 

 Tail done, wings done, working on c-section       

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Larry Winger

 Sent: Thursday, October 19, 2006 8:56 PM

 To: zenith-list(at)matronics.com

 Subject: Re: Re: Rivets in the 601XL elevator ribs  

  

     

Ron,  

    

   

    

That sounds like a workable solution.  Unless I hear from anyone else on the list who has a convincing argument to the contrary, that will be my plan.  

    

   

    

Thanks,

 Larry

 

    

    

On 10/19/06, Ron Lendon <rlendon(at)comcast.net (rlendon(at)comcast.net)> wrote:   

--> Zenith-List message posted by: "Ron Lendon" <rlendon(at)comcast.net  (rlendon(at)comcast.net)>

 

 Larry,

 

 I ran in to the same problem and solved it by knowing 40 pitch is the maximum pitch, you can always go for less pitch.  Some of my 40 pitch are actually 35mm.

 

 What I did is marked the end rivets at the correct edge distance then set the fan to fill the void with the correct number of rivets.  If it came out at 35mm, so be it. 

 

 Have fun,

 

 --------

 Ron Lendon, Clinton Township,  MI

 Corvair Zodiac XL, ScrapBuilder 

 http://www.mykitlog.com/rlendon

 

 

 

 

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        [quote][b]

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601zv(at)ritternet.com
Guest

Posted: Fri Oct 20, 2006 3:06 am Post subject: Rivets in the 601XL elevator ribs

Me too. My plans with 6-T-3 dated 06/03 show 9 rivets in all ribs, and mine, 

equally spaced are at about pitch 36. Actual pitch may vary slightly 

depending how close you start to the trailing edge. You will find similar 

pitch situations occurring througout the rest of the airframe and I have 

always considered the stated pitch to be nominal maximum and just equally 

space the rivets. You will notice that the designated pitch is always stated 

in even numbers, i.e. 40, but in reality rarely works out even.

---

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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Fri Oct 20, 2006 5:37 am Post subject: Re: Rivets in the 601XL elevator ribs

Get you one of these.



http://gallery.bcentral.com/GID4351283P5125292-Gauges-Measuring-Inspection/RIVET-FAN-SPACING-TOOL-Made-in-USA.aspx



The rivet spacing fan makes life so much easier. There are many many places that the 40 is the minimum and you will need to come up with a smaller spacing.



For the record I bought mine from ACS but the above link was the first with a picture that came up when I Googled 'Rivet spacing fan'

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

barcusc(at)comcast.net
Guest

Posted: Fri Oct 20, 2006 7:36 am Post subject: Rivets in the 601XL elevator ribs

Cheap Rivet Spacer: Buy an aluminum yardstick (About $3.00) use a Stanley 

knife and square to scribe lines every 40mm, also scribe a 20mm line in the 

first section. The aluminum yardstick bends easily to conform to wings or 

works great on flat surfaces as well. If plans call for 20mm spacing scribe 

40mm first, then move the yardstick to match the 20mm scribe to a 40mm you 

just made and mark the 40mm lines again. Cheap, easy and accurate.



Clyde

601XL

---

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lwinger

Joined: 21 Jun 2006
Posts: 229
Location: Tustin, CA

Posted: Fri Oct 20, 2006 7:55 am Post subject: Rivets in the 601XL elevator ribs

Thanks to everyone for good insight into this issue which obviously crops up with regularity through the entire build.  You guys are a great help.

  

 Larry Winger

 Tustin, CA

 601XL

 Elevator drilled & clecoed



 

 On 10/20/06, Robin Bellach <601zv(at)ritternet.com (601zv(at)ritternet.com)> wrote: [quote]--> Zenith-List message posted by: "Robin Bellach" <601zv(at)ritternet.com  (601zv(at)ritternet.com)>



Me too. My plans with 6-T-3 dated 06/03 show 9 rivets in all ribs, and mine,

equally spaced are at about pitch 36. Actual pitch may vary slightly

depending how close you start to the trailing edge. You will find similar 

pitch situations occurring througout the rest of the airframe and I have

always considered the stated pitch to be nominal maximum and just equally

space the rivets. You will notice that the designated pitch is always stated 

in even numbers, i.e. 40, but in reality rarely works out even.

---

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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_________________
Larry Winger
Tustin, CA
Plans building 601XL/650 with Corvair
Installing fuel system
www.mykitlog.com/lwinger

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