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  #1  
Old 10-20-2014, 12:19 PM
JHartline JHartline is offline
 
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 139
Default Section 7, revision 1

Guys,

Revision 1 to section 7 (rudder) has a change on page 07-11. In the added step 5 and Figure 1 it has you final drill #33 the aft-most 6 holes in R-903 - the rudder tip rib. The current holes which I have already final drilled and dimpled per the plans are #40 to match the skin and the rivet call outs on page 7-12, figure 2.

So...what gives? The rivet callout is for a 426AD-3-3 which is a little small for a #33 hole. What did all you smart people do here?

Also, what did you use to get inside the aft part of that tip rib to squeeze those rivets? That's a mighty tight fit!
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James Hartline
Carrollton, GA 5GA2
RV-14 - Finish and FWF in progress
T-Bolt IO-390
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  #2  
Old 10-20-2014, 12:25 PM
JHartline JHartline is offline
 
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 139
Default Read the posts!!

Answering my own post, but is the intent to use MK-319-BS rivets here? Then the skins will need to be #33 drilled to match the rib.
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James Hartline
Carrollton, GA 5GA2
RV-14 - Finish and FWF in progress
T-Bolt IO-390
Maule MX7-180
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  #3  
Old 10-20-2014, 12:39 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 6,588
Default

Yes, the #33 holes are for the installation of MK-319 rivets.
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  #4  
Old 10-20-2014, 07:19 PM
JHartline JHartline is offline
 
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 139
Default Thanks for the info

I appreciate your help - much learning in progress.
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James Hartline
Carrollton, GA 5GA2
RV-14 - Finish and FWF in progress
T-Bolt IO-390
Maule MX7-180
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  #5  
Old 06-26-2017, 10:55 AM
SabreFlyr SabreFlyr is online now
 
Join Date: Sep 2015
Location: Marion, IN
Posts: 98
Default Reviving an old thread

Don't think I've seen this addressed: what dimple is used for these holes? I have a CS4 dimple set but that's a bit big.
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  #6  
Old 06-26-2017, 12:47 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 6,588
Default

We use the MK-319 rivets to replace a AN426AD3 rivet so the same dimple is used. The MK rivet head is just slightly bigger but it is close.
You can very lightly machine countersink the dimple a few thousandths to get a bit better fit.
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