Today's Message Index:
----------------------
1. 03:19 PM - Couple of questions... (Steve Look)
2. 04:24 PM - Re: Couple of questions... (Paul Mulwitz)
3. 04:34 PM - Re: Couple of questions... (Carlos Sa)
4. 07:08 PM - Re: Couple of questions... (jaybannist@cs.com)
5. 07:34 PM - Another Zodiac is on its gear! (Ron Lendon)
6. 08:13 PM - Re: Another Zodiac is on its gear! (Paul Mulwitz)
7. 09:06 PM - Re: Another Zodiac is on its gear! (Rick Lindstrom)
8. 09:22 PM - Re: Another Zodiac is on its gear! (Carlos Sa)
9. 09:26 PM - Re: Another Zodiac is on its gear! (Larry Winger)
Message 1
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| Subject: | Couple of questions... |
I always think of these things on the weekend rather than during the
week when I can just pick up the phone....
I'm finishing up the upgrades to my center spar 6W4:
Do I put washers under the head and under the nut on the AN4 bolts or
just under the nut? I see on the plan that just the nut. In the parts
list drawing it shows both.
I am tempted to go by the plan, but somebody tell me what is "best practice".
What is the torque spec on these A4s? I can't find that anywhere in the docs.
Thanks,
Steve
Steve Look
Monticello, IL
www.ilrt66.com
"Dogs have owners, Cats have staff"
Message 2
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| Subject: | Re: Couple of questions... |
Hi Steve,
According to the "Bible" AC43.13, AN4 Bolts require between 50 and 70
inch-pounds with a maximum allowable torque of 100 pounds. This comes
from table 7-1 in AC43.13-1B which can probably be found on the FAA web
site.
I don't think there is any requirement for washers in the realm of "Best
practice". You need to use washers to make the bolt finished length
appropriate. This means (I think) you should see something like two
threads past the end of the nut when it is tightened. I prefer to put a
single washer under the nut, and if two are needed one under the nut and
the other under the bolt. If you need more than two washers you are
probably using the wrong length bolt and should order the right length.
You can get any length bolt from Aircraft Spruce, Wicks, or one of many
other places.
You can also get a bolt gauge for a small fee. These make it easy to
tell which length bolt you have in your hand. You can tell with a
ruler, but this is a bit tricky.
I recommend you either get a copy of AC43.13-1B and -2A in printed form
or get in the habit of looking at the online copy on the FAA web site.
This document tells you everything you ever wanted to know about
building and repairing aircraft.
Paul
Camas, WA
Just finishing up the upgrade - installing finished carrythrough in
fuselage.
On 3/19/2011 3:14 PM, Steve Look wrote:
>
> I always think of these things on the weekend rather than during the
> week when I can just pick up the phone....
>
> I'm finishing up the upgrades to my center spar 6W4:
>
> Do I put washers under the head and under the nut on the AN4 bolts or
> just under the nut? I see on the plan that just the nut. In the parts
> list drawing it shows both.
> I am tempted to go by the plan, but somebody tell me what is "best
> practice".
>
> What is the torque spec on these A4s? I can't find that anywhere in
> the docs.
>
> Thanks,
> Steve
>
> Steve Look
> Monticello, IL
> www.ilrt66.com
> "Dogs have owners, Cats have staff"
>
>
Message 3
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| Subject: | Re: Couple of questions... |
Steve, take a look at this web page:
http://www.zenithair.com/kit-data/ra/hardware.html
If the answer is not there, do a little "googling"...
Good luck
Carlos
CH601-HD, plans
On 19 March 2011 18:14, Steve Look <slook@mchsi.com> wrote:
>
> I always think of these things on the weekend rather than during the week
> when I can just pick up the phone....
>
> I'm finishing up the upgrades to my center spar 6W4:
>
> Do I put washers under the head and under the nut on the AN4 bolts or just
> under the nut? I see on the plan that just the nut. In the parts list
> drawing it shows both.
> I am tempted to go by the plan, but somebody tell me what is "best
> practice".
>
> What is the torque spec on these A4s? I can't find that anywhere in the
> docs.
>
> Thanks,
> Steve
>
> Steve Look
> Monticello, IL
> www.ilrt66.com
> "Dogs have owners, Cats have staff"
>
Message 4
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| Subject: | Re: Couple of questions... |
Steve,
Best practice is to have a washer under the nut, since that is usually the
one that is turned. However, if conditions require that you hold the nut a
nd turn the bolt, then the washer should go under the bolt head. Another r
equirement is that the bolt be such a length that the nut will not bottom o
ut on the threads. Therefore, when the nut is properly torqued, there shou
ld be at least two threads showing and no more than three. You can use up
to three washers to help meet those conditions. The proper torque for an A
4 bolt is 50 to 70 inch pounds. The higher number should be used if it is
a self-locking nut.
Jay Bannister..
I always think of these things on the weekend rather than during the
week when I can just pick up the phone....
I'm finishing up the upgrades to my center spar 6W4:
Do I put washers under the head and under the nut on the AN4 bolts or
just under the nut? I see on the plan that just the nut. In the parts
list drawing it shows both.
I am tempted to go by the plan, but somebody tell me what is "best practice
".
What is the torque spec on these A4s? I can't find that anywhere in the doc
s.
Thanks,
Steve
Steve Look
Monticello, IL
www.ilrt66.com
"Dogs have owners, Cats have staff"
Message 5
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| Subject: | Another Zodiac is on its gear! |
Today, after many years of work the airplane is resting on its landing gear and
the engine is mounted. I'm beginning to see the end of the build phase and looking
forward to the testing/flying phase.
Been thinking this is a milestone, but Anne might see it as a millstone. Either
way it sure feels good... :D
--------
Ron Lendon, Detroit, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
http://www.zenith.aero/profile/RonLendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=334475#334475
Message 6
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| Subject: | Re: Another Zodiac is on its gear! |
Well done, Ron.
On the gear is indeed one of the big milestones.
Paul
On 3/19/2011 7:31 PM, Ron Lendon wrote:
> --> Zenith601-List message posted by: "Ron Lendon"<ron.lendon@gmail.com>
>
> Today, after many years of work the airplane is resting on its landing gear and
the engine is mounted. I'm beginning to see the end of the build phase and
looking forward to the testing/flying phase.
>
> Been thinking this is a milestone, but Anne might see it as a millstone. Either
way it sure feels good... :D
>
> --------
> Ron Lendon, Detroit, MI
> WW Corvair with Roy's Garage 5th bearing
> Zodiac XL, ScrapBuilder ;-)
> http://www.mykitlog.com/rlendon
> Corvair Engine Prints:
> http://www.zenith.aero/profile/RonLendon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=334475#334475
>
>
Message 7
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| Subject: | Re: Another Zodiac is on its gear! |
WAY to GO Ron! It is a milestone, and I hope you're appropriately proud!
I'll hoist a toast to your success in your direction...
Rick Lindstrom
-----Original Message-----
>From: Ron Lendon <ron.lendon@gmail.com>
>Sent: Mar 19, 2011 7:31 PM
>To: zenith601-list@matronics.com
>Subject: Zenith601-List: Another Zodiac is on its gear!
>
>
>Today, after many years of work the airplane is resting on its landing gear and
the engine is mounted. I'm beginning to see the end of the build phase and
looking forward to the testing/flying phase.
>
>Been thinking this is a milestone, but Anne might see it as a millstone. Either
way it sure feels good... :D
>
>--------
>Ron Lendon, Detroit, MI
>WW Corvair with Roy's Garage 5th bearing
>Zodiac XL, ScrapBuilder ;-)
>http://www.mykitlog.com/rlendon
>Corvair Engine Prints:
>http://www.zenith.aero/profile/RonLendon
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=334475#334475
>
>
Message 8
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| Subject: | Re: Another Zodiac is on its gear! |
Well done, Ron, congratulations
Carlos
On 19 March 2011 22:31, Ron Lendon <ron.lendon@gmail.com> wrote:
>
> Today, after many years of work the airplane is resting on its landing gear
> and the engine is mounted. I'm beginning to see the end of the build phase
> and looking forward to the testing/flying phase.
>
> Been thinking this is a milestone, but Anne might see it as a millstone.
> Either way it sure feels good... :D
>
> --------
> Ron Lendon, Detroit, MI
> WW Corvair with Roy's Garage 5th bearing
> Zodiac XL, ScrapBuilder ;-)
> http://www.mykitlog.com/rlendon
> Corvair Engine Prints:
> http://www.zenith.aero/profile/RonLendon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=334475#334475
>
>
Message 9
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| Subject: | Re: Another Zodiac is on its gear! |
Anybody that's been there remembers the feeling. Congratulations, Ron.
Larry Winger
On Sat, Mar 19, 2011 at 7:31 PM, Ron Lendon <ron.lendon@gmail.com> wrote:
>
> Today, after many years of work the airplane is resting on its landing gear
> and the engine is mounted. I'm beginning to see the end of the build phase
> and looking forward to the testing/flying phase.
>
> Been thinking this is a milestone, but Anne might see it as a millstone.
> Either way it sure feels good... :D
>
> --------
> Ron Lendon, Detroit, MI
> WW Corvair with Roy's Garage 5th bearing
> Zodiac XL, ScrapBuilder ;-)
> http://www.mykitlog.com/rlendon
> Corvair Engine Prints:
> http://www.zenith.aero/profile/RonLendon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=334475#334475
>
>
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