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About those stiffening circles around the lightening holes i

 
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rgf(at)dcn.davis.ca.us
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PostPosted: Fri Jul 24, 2009 9:51 am    Post subject: About those stiffening circles around the lightening holes i Reply with quote

Fellow RVers,

I need to mount some stuff on wing ribs. But, the ribs have holes cut out
for lightening...and around each hole is stamped a modest raised/indented
circle in the sheet metal, for stiffening I suppose.

It is the raised side that causes problems when trying to attach something
flat there. I'd like to somehow squash or flatten a portion of the raised
circle, just enough so that the things I need to mount will fit flush on the
rib. Yes, some things must go onto the rib. No, some of this I cannot mount
on the other side.

What have RVers done to solve this little problem?

Thanks,
Ralph Finch
Davis, California
RV-9A QB-SA


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truflite(at)yahoo.com
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PostPosted: Fri Jul 24, 2009 10:42 am    Post subject: About those stiffening circles around the lightening holes i Reply with quote

What about using spacer plates or washers to move the equipment out away from the flange?

Dave

--- On Fri, 7/24/09, Ralph Finch <rgf(at)dcn.davis.ca.us> wrote:

Quote:
From: Ralph Finch <rgf(at)dcn.davis.ca.us>
Subject: About those stiffening circles around the lightening holes in wing ribs...
To: rv-list(at)matronics.com, rv9-list(at)matronics.com
Date: Friday, July 24, 2009, 1:48 PM
Fellow RVers,

I need to mount some stuff on wing ribs.  But, the
ribs have holes cut out
for lightening...and around each hole is stamped a modest
raised/indented
circle in the sheet metal, for stiffening I suppose.

It is the raised side that causes problems when trying to
attach something
flat there.  I'd like to somehow squash or flatten a
portion of the raised
circle, just enough so that the things I need to mount will
fit flush on the
rib.  Yes, some things must go onto the rib. No, some
of this I cannot mount
on the other side. 

What have RVers done to solve this little problem? 

Thanks,
Ralph Finch
Davis, California
RV-9A QB-SA




- The Matronics RV-List Email Forum -
 

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:

http://www.matronics.com/Navigator?RV-List
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jim jewell



Joined: 09 Jan 2006
Posts: 82
Location: Kelowna B.C. Canada

PostPosted: Fri Jul 24, 2009 12:32 pm    Post subject: About those stiffening circles around the lightening holes i Reply with quote

Some have used spacers behind the items they mount on ribs such as you
describe.

Jim in Kelowna
---


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