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jrdial(at)hal-pc.org
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 Posted: Sat Mar 31, 2007 2:57 pm Post subject: Rudder Skin Crack |
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I have a crack starting on the trailing edge of the rudder of my RV6. It is about 11” down from the top starting at the rivet and going back. It is about ˝” long. I have heard of this before but does somebody have a “simple” repair for this. I looked in the archives but for some reason did not find anything. You can answer off list.
Dick Dial
jrdial(at)hal-pc.org (jrdial(at)hal-pc.org)
DO NOT ARCHIVE
[quote][b]
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kboatright1(at)comcast.ne
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| Posted: Sat Mar 31, 2007 4:13 pm Post subject: Rudder Skin Crack |
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Various outlets have what are called "click bond patches". I've never seen one, but my understanding is that they are small patches with a proprietary adhesive which can be used to create hardpoints for attaching hardware when there isn't a convenient spot.
Also, they can be used for patches - internal and external.
You should stop drill and deburr the end of the crack before you try the click bond patch.
Here's a link to one product that might work:
http://www.theflightshop.com/ClickBond/Menu_Click_Patches.php
KB
[quote] ---
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ceengland(at)bellsouth.ne
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| Posted: Sat Mar 31, 2007 5:07 pm Post subject: Rudder Skin Crack |
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J. R. Dial wrote:
| Quote: |
I have a crack starting on the trailing edge of the rudder
of my RV6. It is about 11” down from the top starting at the rivet and
going back. It is about ˝” long. I have heard of this before but does
somebody have a “simple” repair for this. I looked in the archives but
for some reason did not find anything. You can answer off list.
Dick Dial
jrdial(at)hal-pc.org <mailto:jrdial(at)hal-pc.org>
Stop drill the crack (make sure you get past the end of the crack when
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you drill) with a bit larger bit than you might normally use, spray some
fast-evaporating degreasing cleaner into the void, then force
'electrical grade', 'non-corrosive' silicone caulk into the hole to make
a small internal blob contacting both the rudder skins. That's to reduce
the flexing that causes the crack.
(The 'electrical grade' caulk is to keep someone from telling you that
your rudder is going to dissolve in the acid of regular RTV.) 
Charlie
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