Today's Message Index:
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1. 04:32 PM - Is this Okay? (cs@charlesstringham.com)
2. 05:52 PM - Re: Is this Okay? (Carl Froehlich)
Message 1
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I just finished the horizontal stabilizer a few minutes ago--at least, I hope I
did. One of the last processes is to buck the AN470 rivets on the front spar--the
ones that hold the center-most ribs (fore and aft) to the front spar itself
and the two extruded aluminum angle fittings. The rivets look good. I located
the manufactured heads directly over the extruded aluminum angle fittings.
When I finished, I noticed the rivet set had not been absolutely straight, which
resulted in smiles that encircle about 120 degrees of the extruded aluminum
angle fittings around the rivets. The depth is perhaps 10/1,000 of an inch. I
know how important the structural integrity of the extruded fittings are. The
smiles have very smooth edges. Is this okay? Thanks, Chet
Message 2
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These are easy to drill out and do over.
Recommend putting a couple of layers of masking tape on the rivet set. This
will prevent smiles. Replace the tape every third rivet or so.
Carl Froehlich
RV-8A (525 hrs)
RV-10 (systems install)
-----Original Message-----
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of
cs@charlesstringham.com
Sent: Saturday, March 20, 2010 7:29 PM
Subject: RV8-List: Is this Okay?
<cs@charlesstringham.com>
I just finished the horizontal stabilizer a few minutes ago--at least, I
hope I did. One of the last processes is to buck the AN470 rivets on the
front spar--the ones that hold the center-most ribs (fore and aft) to the
front spar itself and the two extruded aluminum angle fittings. The rivets
look good. I located the manufactured heads directly over the extruded
aluminum angle fittings. When I finished, I noticed the rivet set had not
been absolutely straight, which resulted in smiles that encircle about 120
degrees of the extruded aluminum angle fittings around the rivets. The depth
is perhaps 10/1,000 of an inch. I know how important the structural
integrity of the extruded fittings are. The smiles have very smooth edges.
Is this okay? Thanks, Chet
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