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pdwalter(at)bigpond.net.a
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 Posted: Tue Feb 07, 2006 2:58 am Post subject: VS -1003 |
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Hi Guys,
I have made a small error on my RV 10 Vertical Stabilizer that I think may be ok but would like to clarify.
On the VS-1003, I have dimpled the whole way down on each side and not countersunk the section mentioned on plan. Can I now countersink each hole on VS - 1014-R and VS - 1014- L or will this weaken the structure ?. Going on the manual in the section on countersinking and machining I'm not convinced that VS- 1003 should be countersunk as it doesn't seem thick enough. I'm not telling you how to build the plane, it was just an observation.
Thank you
Paul Walter
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indigoonlatigo(at)msn.com
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| Posted: Tue Feb 07, 2006 1:26 pm Post subject: VS -1003 |
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Paul,
I am sorry I do not have my manual with me but do not know if anyone
answered your question. Are you speaking about the spar, the spar caps and
the skin junction. If so, as I remember it, the spar was countersunk and
eventhough the material is not very thick, the holes could be close to knife
edged because the spar caps are sandwiching the spar flange. Don't enlarge
the hole by going too deep! Maybe I have this backwards, but this is how I
remember it.
One of the things that seems to happen when one dimples the thin spars is
that the flange angle in relationship to the web changes. You may notice
this when you rivet the spar,skin and caps together. The caps seem to pull
the skin in on the bottom of the VS, but where the spar is only dimpled
above the caps, the skin slightly flares. A consistent contour from VS to
rudder is preferred.
The manual only discusses this spar flange angle change after dimpling when
working on the rear spar of the elevator, much later in the build process.
If I did it again, I would check the angle of the VS spar before dimpling
and make sure it is the same after dimpling.
John G
| Quote: | From: "Paul Walter" <pdwalter(at)bigpond.net.au>
Reply-To: rv10-list(at)matronics.com
To: <rv10-list(at)matronics.com>
Subject: VS -1003
Date: Tue, 7 Feb 2006 21:55:30 +1100
Hi Guys,
I have made a small error on my RV 10 Vertical Stabilizer that I think may
be ok but would like to clarify.
On the VS-1003, I have dimpled the whole way down on each side and not
countersunk the section mentioned on plan. Can I now countersink each hole
on VS - 1014-R and VS - 1014- L or will this weaken the structure ?. Going
on the manual in the section on countersinking and machining I'm not
convinced that VS- 1003 should be countersunk as it doesn't seem thick
enough. I'm not telling you how to build the plane, it was just an
observation.
Thank you
Paul Walter
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| | - The Matronics RV10-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?RV10-List |
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