Today's Message Index:
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1. 06:40 AM - A Simple Question on the Upgrad Kit (dfmoeller)
2. 09:21 AM - Re: Keep Hingeless ailerons? (Garry Williams)
3. 11:43 AM - Re: Keep Hingeless ailerons? ()
4. 01:28 PM - Re: Keep Hingeless ailerons? (PatrickW)
5. 01:44 PM - Re: Re: Keep Hingeless ailerons? (Stephen R. Look)
Message 1
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| Subject: | A Simple Question on the Upgrad Kit |
I'm installing the kit as I build the plane, so I'm doing the center spar section
first.
I have a really stupid question about reaming the 5/16" wing attach holes. The
upgrade kit instructions tell me to mark the hole locations on the upper and
lower doublers of the kit with a transfer punch and remove the doublers to drill
the holes on a drill press. I'm clear so far.
Here are the parts I'm not clear on: 1. how much undersized should the holes be
drilled on the drill press before reaming? and 2. is the reaming done after
reassembly (through the existing holes), or is it also done on the drill press?
The instructions don't seem to be clear on these 2 points.
I know several folks have covered this section of the upgrade, so these should
be simple answers.
Any suggestions are appreciated.
Doug
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=293484#293484
Message 2
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| Subject: | Re: Keep Hingeless ailerons? |
I just wanted to post something for everyone talking about the hing-less
ailerons. IF you want to convert your ailerons, that's your decision and you
can research the why and why not's.
I did not mean to imply that Caleb stated they had to be modified, he was
the source for how to modify them, that is all. I made the decision to
modify mine since I was at a building stage that permitted me to do so.
Zenith, Caleb, and Gus did not state that they should be changed when I
contacted them. They only offered how to change them.
I apologise to Zenith, Caleb, and Gus if this becomes a bigger issue. I was
only trying to help another builder with how to make the mod.
Garry Williams
EAA - 1031 - http://corvair-flier.com/
Corvair Powered - 601XL Scratch Builder
Edinburg, VA
Message 3
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| Subject: | Re: Keep Hingeless ailerons? |
I regard that advice as a load of Pelosi, and intend to keep my ailerons
as they are. When hingeless ailerons were first questioned, Zenith
quoted having put them through umpty-jillion cycles without cracking,
then they purposely damaged them, and put them though umpty-jillion
cycles more without propagating the cracks, and they showed how
hingeless made better seals, etc. So far, out of all the Zeniths of any
model, NOBODY has mentioned a problem with the hinges, other than they
are a little stiffer than hinged. (question--is a hinged, and therefore
free-moving aileron more prone to flutter than a hingeless, and
therefore stiffer one?)Unless, and until there's a problem raised, I see
no virtue in the "Chicken Little" approach. For the paranoids out there,
here's a scary thought: Why are there only two hinges on the rudder,
when three would hold it better? Bah, humbug and Pelosi!
Now, let the flames begin.
Paul R.
----- Original Message -----
From: Garry Williams<mailto:corvair.flier@gmail.com>
To: zenith601-list@matronics.com<mailto:zenith601-list@matronics.com>
Sent: Wednesday, April 07, 2010 7:58 PM
Subject: Re: Zenith601-List: Keep Hingeless ailerons?
http://www.corvair-flier.com/Wings/Wings_HomePage.htm<http://www.corvair-
flier.com/Wings/Wings_HomePage.htm>
Greetings Paul,
I had just completed (clecoed) my ailerons, and was within a day of
riveting them up when I got news of the ZU upgrade.
I had asked the same as you about the hingless ailerons and was told
(nicely) by a couple of builders that the hingless method was obsolete
and that I should incorporate the hinge. So with that said I contacted
Gus (FlywithGus.com) and he recommended the same thing but that I should
contact Zenith to be sure.
So I sent an email to Zenith and Caleb replied that I should change
the hingless to the hinged ailerons and he gave me specifications how to
accomplish the modification. The link above has some of what I did to
complete this. Scroll down and you will see the ailerons mentioned.
--
Garry Williams
EAA - 1031 - http://corvair-flier.com/<http://corvair-flier.com/>
Corvair Powered - 601XL Scratch Builder
Edinburg, VA
http://www.matronics.com/Navigator?Zenith601-List<http://www.matronics.co
m/Navigator?Zenith601-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 4
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| Subject: | Re: Keep Hingeless ailerons? |
Is there any piano hinge material included in the upgrade kit...?
- Pat
--------
Patrick
XL/650/Corvair
N63PZ (reserved)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=293549#293549
Message 5
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| Subject: | Re: Keep Hingeless ailerons? |
Nope. It isn't required.
At 03:28 PM 4/8/2010, you wrote:
>
>Is there any piano hinge material included in the upgrade kit...?
Steve Look
Monticello, IL
601XL
"Dogs have owners, Cats have staff"
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