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Flaperon edge distance

 
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hart701(at)charter.net
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PostPosted: Wed Jun 03, 2009 7:21 am    Post subject: Flaperon edge distance Reply with quote

I am building the flaperons from a 701 kit (made prior to CNC punching). The skins are pre punched and I have lined up the lower rivets with the centerline of the lower spar cap as stated in the instructions. My problem is that when I pull the top of the skin down to the spar the pre-punched holes give me an edge distance of only about one hole diameter. I am not making any attempt to pull the nose skin tight against the nose ribs, but the trailing edge of the top skin still overlaps the bottom by a little more than 1mm. I am wondering if anyone else has experienced this.
The only solution I can see is to clamp the trailing edges flush with each other and drill/cleco them first--then tie the skin down flat against the ribs and drill/cleco the spar line. Any thoughts?
Rich Hartwig
hart701(at)charter.net


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john.marzulli(at)gmail.co
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PostPosted: Wed Jun 03, 2009 10:54 am    Post subject: Flaperon edge distance Reply with quote

Do you have some photos to help show the problem?

Here are all my notes from the Flaperon build process: http://701builder.blogspot.com/search/label/flaperons


Good luck!
John Marzulli

http://www.GenevieveMarzulli.org/
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/


On Wed, Jun 3, 2009 at 8:16 AM, <hart701(at)charter.net (hart701(at)charter.net)> wrote:
[quote] --> Zenith701801-List message posted by: <hart701(at)charter.net (hart701(at)charter.net)>

I am building the flaperons from a 701 kit (made prior to CNC punching).  The skins are pre punched and I have lined up the lower rivets with the centerline of the lower spar cap as stated in the instructions.  My problem is that when I pull the top of the skin down to the spar the pre-punched holes give me an edge distance of only about one hole diameter.  I am not making any attempt to pull the nose skin tight against the nose ribs, but the trailing edge of the top skin still overlaps the bottom by a little more than 1mm.  I am wondering if anyone else has experienced this.
    The only solution I can see is to clamp the trailing edges flush with each other and drill/cleco them first--then tie the skin down flat against the ribs and drill/cleco the spar line.  Any thoughts?
Rich Hartwig
hart701(at)charter.net (hart701(at)charter.net)

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