Today's Message Index:
----------------------
1. 03:30 AM - leading edges (Douwe Blumberg)
2. 09:34 AM - Re: Bingelis Books, free shipping (Larry Williams)
3. 09:35 AM - Re: C85-12 (taildrags)
4. 09:39 AM - Re: leading edges (taildrags)
5. 09:42 AM - Re: Re: leading edges (Crandall Eldredge)
6. 10:01 AM - Re: Re: C85-12 (Steven Dortch)
7. 10:01 AM - Re: Re: C85-12 (Steven Dortch)
8. 10:17 AM - Re: Aluminium Leading Edges (Jerry Dotson)
9. 10:30 AM - Re: Re: C85-12 (gliderx5@comcast.net)
10. 01:23 PM - Re: Bingelis Books, free shipping (aviken)
11. 02:49 PM - Re: Re: Aluminium Leading Edges (Peter Johnson)
12. 02:53 PM - Re: leading edges (Peter Johnson)
13. 02:55 PM - wood substitution (aviken)
14. 03:30 PM - Re: wood substitution (jarheadpilot82)
15. 04:01 PM - prop finish (GNflyer)
16. 04:31 PM - Re: wood substitution (tools)
17. 05:47 PM - Re: wood substitution (taildrags)
18. 07:35 PM - Re: Re: wood substitution (Clif Dawson)
19. 08:03 PM - Re: C85-12 (TriScout)
20. 11:06 PM - Re: leading edges (Braniff1966)
21. 11:12 PM - Re: Aluminium Leading Edges (Braniff1966)
22. 11:18 PM - Re: Re: leading edges (Gary Boothe)
Message 1
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Just a thought I wanted to "put out there" for people still building
regarding metal leading edges.
RE-PIET originally had metal leading edges, and during her rebuild, Don
rebuilt the wings and replaced the metal with ply leading edges. I really
cannot tell you how much stiffness that added to the wing structure. It was
quite noticeable when lifting and moving the wing panels around.
If I were building again, I would consider nothing but a ply leading edge as
it becomes part of the structure whereas metal really does not.
$.02
Douwe
Message 2
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| Subject: | Re: Bingelis Books, free shipping |
Be careful what you espouse.
If everybody had the Bingelis books and a copy of AC 43-13 there wouldn't be any
reason for this forum to exist because all of the recurring questions would
be answered before they could be posted and everyone would be an expert! Then
where would we be???
--------
L.V.Williams
XCG, XCMR,EPP
USHPA, EAA, AMA
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Message 3
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Bill; I stand corrected. You are absolutely right... the A80 is the slug, not
the C85.
Carry on!
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=415550#415550
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| Subject: | Re: leading edges |
Plywood leading edges will certainly provide more wing stiffness than the flattened
oatmeal containers that Mr. Pietenpol is said to have used to shape the leading
edges originally.
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=415551#415551
Message 5
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| Subject: | Re: leading edges |
can you take me off your list please
On Sat, Dec 14, 2013 at 10:39 AM, taildrags <taildrags@hotmail.com> wrote:
>
> Plywood leading edges will certainly provide more wing stiffness than the
> flattened oatmeal containers that Mr. Pietenpol is said to have used to
> shape the leading edges originally.
>
> --------
> Oscar Zuniga
> Medford, OR
> Air Camper NX41CC "Scout"
> A75 power
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=415551#415551
>
>
Message 6
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Somewhere there is a good, pretty concise history of the Small Continentals
>From A40,A50, A65, A75, A80, C90 on through the O200. I have looked but
can't find it.
Steve D
On Sat, Dec 14, 2013 at 11:35 AM, taildrags <taildrags@hotmail.com> wrote:
>
> Bill; I stand corrected. You are absolutely right... the A80 is the slug,
> not the C85.
>
> Carry on!
>
> --------
> Oscar Zuniga
> Medford, OR
> Air Camper NX41CC "Scout"
> A75 power
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=415550#415550
>
>
Message 7
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What is the problem with the A80?
Blue Skies,
Steve D
On Sat, Dec 14, 2013 at 12:00 PM, Steven Dortch
<steven.d.dortch@gmail.com>wrote:
> Somewhere there is a good, pretty concise history of the Small
> Continentals
> From A40,A50, A65, A75, A80, C90 on through the O200. I have looked but
> can't find it.
>
> Steve D
>
>
> On Sat, Dec 14, 2013 at 11:35 AM, taildrags <taildrags@hotmail.com> wrote:
>
>>
>> Bill; I stand corrected. You are absolutely right... the A80 is the
>> slug, not the C85.
>>
>> Carry on!
>>
>> --------
>> Oscar Zuniga
>> Medford, OR
>> Air Camper NX41CC "Scout"
>> A75 power
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=415550#415550
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
Message 8
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| Subject: | Re: Aluminium Leading Edges |
Oscar,
I buy the CA in 2 oz bottles. I don't use the thin much. It get in places I don't
want it. The CA+ medium is what I use most of the time. The CA- thick stuff
is too thick and slow for me. I seldom use it. Free tip----keep it in the shop
fridge and shelf life is very long. It will fog plexiglass bad. Don't even
ask how I know.
Set time varies according to the material. Balsa sets quick. Most hardwoods have
plenty of time to align. It glues rubber real good. I have made "O" rings from
stock or just cut a big one and butt glue it. High moisture content of wood
accelerates set time too. Dampen the pieces and use thin for near instant set.
I have seen smoke/steam rise from a joint like that.
Jerry
--------
Jerry Dotson
First flight June 16,2012
Flying in phase 2
Lycoming O-235 C2C
Jay Anderson CloudCars prop 76 X 44
do not archive
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Message 9
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My friend Jack Erickson has complied an amazing web site full of basic info on
all sorts of small aircraft engines.
http://home.comcast.net/~aeroengine/
Malcolm Morrison
----- Original Message -----
From: "Steven Dortch" <steven.d.dortch@gmail.com>
Sent: Saturday, December 14, 2013 1:00:55 PM
Subject: Re: Pietenpol-List: Re: C85-12
Somewhere there is a good, pretty concise history of the Small Continentals
>From A40,A50, A65, A75, A80, C90 on through the O200. I have looked but can't
find it.
Steve D
On Sat, Dec 14, 2013 at 11:35 AM, taildrags < taildrags@hotmail.com > wrote:
Bill; I stand corrected. You are absolutely right... the A80 is the slug, not the
C85.
Carry on!
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=415550#415550
===========
="_blank">www.aeroelectric.com
ooks.com" target="_blank">www.buildersbooks.com
et="_blank">www.homebuilthelp.com
et="_blank">www.mypilotstore.com
"_blank">www.mrrace.com
="_blank">http://www.matronics.com/contribution
le, List Admin.
===========
st" target="_blank">http://www.matronics.com/Navigator?Pietenpol-List
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http://forums.matronics.com
===========
Message 10
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| Subject: | Re: Bingelis Books, free shipping |
Just sent my daughter a copy of the address. She was wondering what she could
get me for Christmas. Do you think I was being too pushy? Ha Ha.
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| Subject: | Re: Aluminium Leading Edges |
Thanks Guys,
Using a glue to hold the nails in place did cross my mind, I didnt think
of SuperGlue though!
Thanks
Peter
On 15/12/2013 5:17 am, "Jerry Dotson" <jdotson@centurylink.net> wrote:
><jdotson@centurylink.net>
>
>Oscar,
>I buy the CA in 2 oz bottles. I don't use the thin much. It get in places
>I don't want it. The CA+ medium is what I use most of the time. The CA-
>thick stuff is too thick and slow for me. I seldom use it. Free
>tip----keep it in the shop fridge and shelf life is very long. It will
>fog plexiglass bad. Don't even ask how I know.
>Set time varies according to the material. Balsa sets quick. Most
>hardwoods have plenty of time to align. It glues rubber real good. I have
>made "O" rings from stock or just cut a big one and butt glue it. High
>moisture content of wood accelerates set time too. Dampen the pieces and
>use thin for near instant set. I have seen smoke/steam rise from a joint
>like that.
>Jerry
>
>--------
>Jerry Dotson
>
>First flight June 16,2012
>Flying in phase 2
>Lycoming O-235 C2C
>Jay Anderson CloudCars prop 76 X 44
>do not archive
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=415558#415558
>
>
Message 12
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| Subject: | Re: leading edges |
Douwe,
I agree, if I were building new again then I would use a full ply leading
edge. If you remember, I had a =B3mishap=B2 and slammed my wing with the ply
leading edge into a fence post. The wing won!
Cheers
Peter
Wonthaggi Australia
http://www.cpc-world.com
From: Douwe Blumberg <douweblumberg@earthlink.net>
Subject: Pietenpol-List: leading edges
Just a thought I wanted to =B3put out there=B2 for people still building
regarding metal leading edges.
RE-PIET originally had metal leading edges, and during her rebuild, Don
rebuilt the wings and replaced the metal with ply leading edges. I really
cannot tell you how much stiffness that added to the wing structure. It was
quite noticeable when lifting and moving the wing panels around.
If I were building again, I would consider nothing but a ply leading edge a
s
it becomes part of the structure whereas metal really does not.
$.02
Douwe
<http://www.buildersbooks.com>
>
Message 13
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| Subject: | wood substitution |
I have finished both sides of my fuselage, it appears I may run short of Spruce
for the horizontal cross pieces. I was thinking of using my remaining spruce
from the tail forward, then if needed substitute either good fir or poplar.
Couldn't find a discussion on this but I know there has to have been, What is
the thought here.
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| Subject: | Re: wood substitution |
aviken,
I have attached a snapshot of the page in the AC 43.13_1b that discusses the various
properties of wood. As you can see from the chart, poplar is not a direct
substitute for Spruce.
Also, I am attaching a link to a downloadable copy of the AC 43.13. You can download
the entire reference, and it will answer many, if not most of your questions.
That is not to discount the knowledge of many of these experienced builders
(I am certainly NOT in that group), but it gives you a ready reference at
your finger tips as opposed to asking and then waiting for an answer.
http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_43.13-1B_Full.pdf
--------
Semper Fi,
Terry Hand
Athens, GA
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Attachments:
http://forums.matronics.com//files/screen_shot_2013_12_14_at_61820_pm_911.png
Message 15
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who was it that received an un finished prop from Cloudcars? I would like to hear
how it went as far as getting it smoothed up and coated. I am getting one in
before long hopefully and It would be good to visit with someone who has been
down that road.there was even some talk of testing it in the rough condition
but I don't know if that was ever done. I don't believe I want to do that but
interesting to think about. if it's not too early to mention it- Merry Christmas
to all. Raymond
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| Subject: | Re: wood substitution |
I had no qualms scarfing in some southern yellow pine that graded well above aircraft
standards (defects, growth rings, runout).
It's stronger in all aspects, glues well and swells/shrinks nearly the same, so
there should be no stress in the glue joints with seasonal moisture variation.
Given the increased density and how much I used, I calculated my plane increased
some 6 oz in weight due to the substitution. Given failures occurred where
bolt holes exist, the increase in strength of the substituted wood made sense
anyway.
Substituting as close to the CG as possible as you mention, I see no problems with
your plan.
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| Subject: | Re: wood substitution |
The excerpt from AC43.13 says poplar is slightly less strong than spruce "except
in compression and crushing". Horizontal framing members are in compression,
no? Besides all that, I've heard it said that the stock Pietenpol fuselage
is heck for stout anyway, so if it were my airplane I wouldn't bat an eyelash
before substituting poplar or fir for spruce in some of the framing members.
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power
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Message 18
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| Subject: | Re: wood substitution |
Go here;
http://www.clifdawson.ca/Homepage4-10-06/Tools_and_Tips.html
Scroll down page near bottom. See Forest Products
Laboratory chart of wood strength, weight
comparison.
Clif
Q: Is it safe to run around in the bushes in Canada ? ( Sweden )
A: So it's true what they say about Swedes.
> aviken,
http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_43.13-1B_Full.pdf> Terry Hand
Message 19
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...in anycase, it sold fast today. Had an engine mount, everything..even the baffling
was still attached...they were asking $4400. Don't know if the buyer low-balled
the price or not, but he got a good deal. I went there today. I was contemplating
buying it, but it was too late. I didn't need an engine, but C85's
are in demand, too good to pass up.
--------
KLNC
A65-8
N2308C
AN Hardware
Airframe 724TT
W72CK-42 Sensenich
Standard Factory GN-1
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| Subject: | Re: leading edges |
I have both AL and plywood... how do you form over the blunt nose of the ribs with
plywood. im lost almost have wing 2 finished and stumped on this
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| Subject: | Re: Aluminium Leading Edges |
use slow cure and if necessary a kicker. get the kicker at a hobby shop
also have a good grade of debonder around to fix what you screwup like getting
your fingers stuck or dropping a big gob in lap or your eye. trust me it will
happen
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| Subject: | Re: leading edges |
There are various ways. The attached photo shows the leading edge piece that
I used. It also has a dado that receives the plywood.
Gary Boothe
NX308MB
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Braniff1966
Sent: Saturday, December 14, 2013 11:06 PM
Subject: Pietenpol-List: Re: leading edges
I have both AL and plywood... how do you form over the blunt nose of the
ribs with plywood. im lost almost have wing 2 finished and stumped on this
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