Today's Message Index:
----------------------
1. 05:25 AM - Re: Ribs and tail and questions (Jack)
2. 05:44 AM - Repairing wood screw holes (Oscar Zuniga)
3. 07:16 AM - Re: Ribs and tail and questions (Michael Perez)
4. 08:18 AM - Tail Hinges (shad bell)
5. 08:36 AM - Re: Tail Hinges (Michael Perez)
6. 01:17 PM - Re: Tail Hinges (Jerry Dotson)
7. 01:28 PM - wood source (skellytown flyer)
8. 03:14 PM - Welding other steels to 4130 (Michael Perez)
9. 04:11 PM - Re: Welding other steels to 4130 (Dangerous Dave)
10. 04:21 PM - Re: Ribs and tail and questions (Dangerous Dave)
11. 04:35 PM - Getting started (bender)
12. 05:14 PM - Re: Welding other steels to 4130 (shad bell)
13. 05:15 PM - t-88 mixing tubes (bcolleran)
14. 05:24 PM - Re: Re: Tail Hinges (shad bell)
15. 06:34 PM - Re: the blonde Pietenpoler (Dan Yocum)
16. 06:43 PM - Re: the blonde Pietenpoler (Gary Boothe)
17. 07:20 PM - Re: Welding other steels to 4130 (Jack Phillips)
18. 07:32 PM - Resaw Options (gtche98)
19. 07:50 PM - Re: Resaw Options (TOM MICHELLE BRANT)
20. 08:00 PM - Re: Resaw Options (Gary Boothe)
21. 10:41 PM - Re: t-88 mixing tubes (kevinpurtee)
22. 10:44 PM - Re: Getting started (kevinpurtee)
Message 1
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Subject: | Re: Ribs and tail and questions |
Beautiful work but you should clean that shop :)
Do not archive
Jack Textor
Sent from my iPhone
On Oct 24, 2010, at 7:34 PM, "cjborsuk" <cjborsuk@yahoo.com> wrote:
>
> Just completed tail parts - ribs complete. See attached pics. I left off a couple
of the gussets to be able to get the hardware installed. Is this necessary?
What are the more popular options for the hinges?
>
> Also, I was in Lowe's looking at varnish. What are the better options here? Has
anyone used water based varnish?
>
> Thanks,
>
> Chuck
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=316905#316905
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/completed_ribs_771.jpg
> http://forums.matronics.com//files/tail_and_ribs_204.jpg
>
>
>
>
>
>
>
Message 2
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Subject: | Repairing wood screw holes |
I had a wood screw wallow out where one of the tail
attach brackets mounts to the longeron. I used the
cyanoacrylate "super glue" in the hole, but instead
of a wood screw, I used a machine screw.
By the way, for those who are mounting vertical
stabilizers, consider offsetting the nose of the VS
to help with trimming the airplane in yaw. My VS
was set in line with the aircraft centerline and had
a bent metal rudder trim tab. I have now offset the
VS and removed the rudder trim tab. It's close, but
could have used just a smidge more offset of the VS
as well as a bit more right thrust on the engine
mount. Working on it, but the airplane is getting
closer and closer to flying hands and feet off, if
only for short periods of time.
I have seen setups where builders have left the mount
brackets for the nose of the VS quite a bit away from
it on either side so that washers could be added or
subtracted from each side, allowing for adjustment
of the offset.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 3
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Subject: | Ribs and tail and questions |
I noticed that it appears in your picture, that the edges of the tail surfaces
are not shaped. It appears that the leading and trailing edges are flat. I am
curious if you plan on leaving them this way, or plan on shaping them later? (Or
is my eyesight going...?)
Attached are some pictures on the way I did my hinges. (Explained in HINT Video
#3 Tail).
I am using Minwax water based spar varnish. Which at this point, I was only able
to buy off of the web.
Your work looks very nice!
Michael Perez
Karetaker Aero
www.karetakeraero.com
Message 4
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Michael, What size piano hinge is that?- That is a nice neat way of hingi
ng the tail, Just watch out for cracks in the aluminum hinge segments.- D
ad used the Vi Kaplar cast hinges, they work good but after 250+ hrs are st
arting to get a little bit of play in them, due to the steel clevis pin wea
ring out the aluminum hinge.- And as far as shaping the leading and trail
ing edges, that is a "Must Do", from a cosmetic standpoint, it can really d
etract from an otherwise good looking airplane, when left square.
-
Just my 2 cents,
-
Shad
=0A=0A=0A
Message 5
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The hinge is the largest AS&S sells in the extruded variety. The open span
is 2" and the thickness is .052...I believe. I cut my tail hinges at 2" lon
g each and have the typical set of 3 for each control surface.- As you no
ted, I will be watching the hinges closely for wear/cracks. I totally agree
with the shaping of the wood...I was hoping the builder just had not got t
o doing them yet.
Michael Perez
=0AKaretaker Aero
=0Awww.karetakeraero.com
Message 6
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Shad,
I cut a groove 1/16 wide X 3/4 deep and epoxied the aluminum hinge in the groove.
Then I put 1/8 stainless pins vertical for insurance against the epoxy turning
loose. Thus I have full length hinges that will double as gap seals. I
made the edges where the hinges go 1/2 wider so cutting the groove didn't weaken
the structure. I think it would have been fine without it though. I will cross
drill the hinge on each end to retain the hinge pin with little 1/16 cotter
pins.
--------
Jerry Dotson
59 Daniel Johnson Rd
Baker, FL 32531
Started building NX510JD July, 2009
wing, tailfeathers done
using Lycoming O-235
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317011#317011
Attachments:
http://forums.matronics.com//files/piano_hinge_212.jpg
http://forums.matronics.com//files/piano_hinge_lock_672.jpg
Message 7
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I don't know if any of you are looking for wood right now, and this is a copy of
a post on another site I watch. but it might be of some use to someone. Raymond
McCormick Lumber in Madison WI sells Sitka Spruce for less than A/C Spruce or Wicks. It is aircraft grade but not stamped aircraft grade. in other words they check it for knots, quarter sawn, number of rings per inch and deviation and runout and sap and compression etc. I think it comes in 20 rough sawn boards I bought 2ea 9 x 1 and had a friend of mine bring it back on his way home from OSH. It cost me $180 for the 2 boards which was almost enough to make my wings. The EAA used it in their replica of the Spirit of St. Louis. They will ship it freight too. here is their web site http://mccormicklumber.com/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317012#317012
Message 8
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Subject: | Welding other steels to 4130 |
I am curious if stainless steel, (300 series) can be welded to 4130?- I a
m working on my tail wheel assembly and most of it will be 4130, but I was
wondering about using a large SS bolt for the pivot of the castor wheel ass
embly. This bolt would be welded to 4130. IF NOT SS, should I use a CAD pla
ted bolt and blast off the coating, then weld it to the 4130? (Please don't
tell me to use a 4130 rod and cut my own threads! I have not cut threads o
n a lathe in over 20 years!)
-
Thanks.
Michael Perez
Karetaker Aero
www.karetakeraero.com
Message 9
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Subject: | Re: Welding other steels to 4130 |
Do Not,Do Not,weld stainless to any other steel.They are totally incompatible,you
would be better off with a nut plate or something similar as opposed to welding
any bolts,the heat will change the strength and on something like a tailwheel
it could have negative consequences.Like the tailwheel on the runway behind
your plane,way behind.Been welding and an A&P for 30 years.
--------
Building a Piet
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317025#317025
Message 10
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Subject: | Re: Ribs and tail and questions |
I used Varathane water based Clear Satin Spar Urethane and am happy with it.For
the hinges I used AN44-14 eye bolts 125,000 psi,don't think they'll ever wear
out.
--------
Building a Piet
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317027#317027
Message 11
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Well I just had to tell someone.. after having a new resaw blade made for my antique
bandsaw.. and a couple of new tires.. it roared, well, hummed to life and
i got 75 sticks 6 foot long and 1/2 x 1/4 cut out today.. got my jig together
a few days ago.. i feel like i'm about to officially start building..big pile
of saw dust
Jeff :D
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317029#317029
Message 12
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Subject: | Re: Welding other steels to 4130 |
Blasting off the cad, and welding the bolt should be ok, but not a ss bolt,
Bingallas tals about this in his books I believe.
-
Shad=0A=0A=0A
Message 13
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Subject: | t-88 mixing tubes |
Anyone ever use the t-88 mixing tubes that is advertised on aircraft spruce? I
am gonna try to spend a little more time at the house vs the hangar building
the ribs this winter. I have everything cut out and would enjoy something that
was not too messy to work with while sitting on the couch watching TV with the
wife.
Bill
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317031#317031
Message 14
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I was currious, the short hinge segments in the photo were a little concern
ing to me.- The full span hinge will be plenty strong.- Using safty wir
e to hold the hinge pin in would be ok to, if you can't find small enough c
otterpins.
-
Shad
--- On Mon, 10/25/10, Jerry Dotson <jdotson@centurylink.net> wrote:
From: Jerry Dotson <jdotson@centurylink.net>
Subject: Pietenpol-List: Re: Tail Hinges
et>
Shad,
I cut a groove 1/16 wide X 3/4 deep and epoxied the aluminum hinge in the g
roove. Then I put- 1/8 stainless pins- vertical for insurance against t
he epoxy turning loose. Thus I have full length hinges that will double as
gap seals.- I made the edges where the hinges go 1/2 wider so cutting the
groove didn't weaken the structure. I think it would have been fine withou
t it though. I will cross drill the hinge on each end to retain the hinge p
in with little 1/16 cotter pins.
--------
Jerry Dotson
59 Daniel Johnson Rd
Baker, FL 32531
Started building- NX510JD- July, 2009
wing, tailfeathers done
using Lycoming O-235
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317011#317011
Attachments:
http://forums.matronics.com//files/piano_hinge_212.jpg
http://forums.matronics.com//files/piano_hinge_lock_672.jpg
le, List Admin.
=0A=0A=0A
Message 15
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Subject: | Re: the blonde Pietenpoler |
Oscar!
That's hilarious! My wife, on the other hand, just merely puts up with my sense
of humor. She watched it and pointed at the view count (currently at 212),
rolled her eyes, and said, "How many Pietenpols are out there? Did they all make
their wives watch it?"
;-)
Cheers!
Dan
Do not archive
--
Dan Yocum
yocum137@gmail.com
"I fly because it releases my mind from the tyranny of petty things."
On Oct 23, 2010, at 11:15 AM, Oscar Zuniga <taildrags@hotmail.com> wrote:
>
>
> We were unable to go to the Reklaw fly-in due to weather.
> So, I wasted my time playing movie producer and came up
> with a Pietenpol short-subject extra, 2:45 long:
>
> http://www.xtranormal.com/watch/7436957
>
> Couldn't get my actors to pronounce the names properly
> though...
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
>
>
>
Message 16
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Subject: | the blonde Pietenpoler |
Dan,
Well, there's nothing worthwhile on TV, so I envision that each count not
only speaks to one Pietenpoler, but also his family and friends. That makes
the actual view count closer to 1,000!!
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, Running!
Tail done, Fuselage on gear
(22 ribs down.)
Do not archive
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Dan Yocum
Sent: Monday, October 25, 2010 6:30 PM
Subject: Re: Pietenpol-List: the blonde Pietenpoler
Oscar!
That's hilarious! My wife, on the other hand, just merely puts up with my
sense of humor. She watched it and pointed at the view count (currently at
212), rolled her eyes, and said, "How many Pietenpols are out there? Did
they all make their wives watch it?"
;-)
Cheers!
Dan
Do not archive
--
Dan Yocum
yocum137@gmail.com
"I fly because it releases my mind from the tyranny of petty things."
On Oct 23, 2010, at 11:15 AM, Oscar Zuniga <taildrags@hotmail.com> wrote:
>
>
> We were unable to go to the Reklaw fly-in due to weather.
> So, I wasted my time playing movie producer and came up
> with a Pietenpol short-subject extra, 2:45 long:
>
> http://www.xtranormal.com/watch/7436957
>
> Couldn't get my actors to pronounce the names properly
> though...
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
>
>
>
Message 17
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Subject: | Welding other steels to 4130 |
In general, 300 series stainless is not a weldable grade. Nor is it as
strong as 4130. Why would you want to use stainless?
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of shad bell
Sent: Monday, October 25, 2010 8:12 PM
Subject: Re: Pietenpol-List: Welding other steels to 4130
Blasting off the cad, and welding the bolt should be ok, but not a ss bolt,
Bingallas tals about this in his books I believe.
Shad
Message 18
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|
Question for those that milled their own cap strip, or are more experienced in
resawing than I am. I have been thinking lately about purchasing my spruce from
McCormick in Madison, and understand that they are selling 1" thick rough cut.
If that is the case, how many "layers" of cap strip could I resaw out of a 1" thick
board? I know I could get 2. Is it possible (for an amateur) to get 3 layers?
With the thickness of the band saw blade, and the need to run everything
through the planner, I am worried that 3/32" of waste between layers wont be
enough. See attached picture that shows what I am talking about.
Thanks in advance for your expertise!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317044#317044
Attachments:
http://forums.matronics.com//files/resaw_options_232.jpg
Message 19
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|
I'd say 3 would be tight if you're resawing.. Guess it depends how careful
you are when you're resawing - minimize the wavi-ness by setting up a fenc
e of course...
When I planed mine down I had about 7/8" thk boards. FWIW=2C it's a lot of
extra work for not that much savings=2C especially when you factor in the
trip there or shipping to your door. I'd just order the capstrip from ASS
or Wicks.. If you're doing spars or most of the other structure=2C Mckormi
cks is great.
Just my $.02
Tom B.
> Subject: Pietenpol-List: Resaw Options
> From: gtche98@gmail.com
> Date: Mon=2C 25 Oct 2010 19:30:23 -0700
> To: pietenpol-list@matronics.com
>
>
> Question for those that milled their own cap strip=2C or are more experie
nced in resawing than I am. I have been thinking lately about purchasing m
y spruce from McCormick in Madison=2C and understand that they are selling
1" thick rough cut.
>
> If that is the case=2C how many "layers" of cap strip could I resaw out o
f a 1" thick board? I know I could get 2. Is it possible (for an amateur)
to get 3 layers? With the thickness of the band saw blade=2C and the need
to run everything through the planner=2C I am worried that 3/32" of waste b
etween layers wont be enough. See attached picture that shows what I am tal
king about.
>
> Thanks in advance for your expertise!
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=317044#317044
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/resaw_options_232.jpg
>
>
>
>
===========
===========
===========
===========
>
>
>
Message 20
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|
Gtche98,
I know that many on this list have spoken of using planer, but I seriously
doubt that it's a requirement. Also, there is no need to lose 1/32" on the
edge of each board. What would be the purpose of that? I don't know about
using a band saw to cut strips...I think a table saw would be far better,
but please know that virtually ALL of my wood was cut on a table saw out of
standard pieces of 1x poplar. With capstrips, especially, there is no need
for perfection. The 1/2" width is important, as is 1/4" thickness, but it's
more important that all are the same. In the end, you will be clamping all
your ribs together and sanding the edges well...just my 2 cents...well,
actually it was closer to 5 cents...
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, Running!
Tail done, Fuselage on gear
(22 ribs down.)
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of gtche98
Sent: Monday, October 25, 2010 7:30 PM
Subject: Pietenpol-List: Resaw Options
Question for those that milled their own cap strip, or are more experienced
in resawing than I am. I have been thinking lately about purchasing my
spruce from McCormick in Madison, and understand that they are selling 1"
thick rough cut.
If that is the case, how many "layers" of cap strip could I resaw out of a
1" thick board? I know I could get 2. Is it possible (for an amateur) to
get 3 layers? With the thickness of the band saw blade, and the need to run
everything through the planner, I am worried that 3/32" of waste between
layers wont be enough. See attached picture that shows what I am talking
about.
Thanks in advance for your expertise!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317044#317044
Attachments:
http://forums.matronics.com//files/resaw_options_232.jpg
Message 21
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|
Subject: | Re: t-88 mixing tubes |
Bill - I used the tubes a couple of times and then went back to the bottles and
the little graduated plastic mixing cups. The only advantage they offer is if
you have a whole bunch of gluing to do. Waste of money and effort for building
ribs. Mix your glue on some plastic in the kitchen and put some plastic on
the flour around your work area so she doesn't shoot you if you drop the little
plastic cup of glue on her clean floor.
Kevin
--------
Kevin Purtee
NX899KP
Austin/Georgetown, TX
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317057#317057
Message 22
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Subject: | Re: Getting started |
Nice, congrats! There are not too many things better then popping out that first
rib.
Axel
do not archive
--------
Kevin Purtee
NX899KP
Austin/Georgetown, TX
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=317058#317058
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