Today's Message Index:
----------------------
1. 03:26 AM - Re: Wheel hubs (HelsperSew@aol.com)
2. 05:17 AM - Uvalde, TX airport (Oscar Zuniga)
3. 05:33 AM - Re: Wheel hubs (carson)
4. 06:03 AM - Re: Cabane brackets (KMHeide, BA, CPO, FAAOP)
5. 06:17 AM - Re: Re: Wheel hubs (HelsperSew@aol.com)
6. 08:19 AM - Re: Re: Wheel hubs (Bill Church)
7. 08:34 AM - Re: Re: Wheel hubs (Ryan Mueller)
8. 08:38 AM - Re: Re: Wheel hubs (HelsperSew@aol.com)
9. 08:39 AM - Re: Re: Wheel hubs (Gary Boothe)
10. 10:56 AM - Re: Re: Wheel hubs (Bill Church)
11. 02:36 PM - Re: Wheel hubs (carson)
12. 06:34 PM - Re: front seat repairs (Ben Charvet)
13. 08:19 PM - Re: Re: Cabane brackets (Jim)
14. 09:18 PM - Assembling hydraulic hoses (Woodflier@aol.com)
15. 09:38 PM - Re: Assembling hydraulic hoses (Ryan Mueller)
16. 11:39 PM - Re: Cabane brackets (Clif Dawson)
Message 1
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Carson,
Go to westcoastpiet.com and look at the photos under Santiago Morete. He has
photos and drawings there.
Dan Helsper
Poplar Grove, IL.
**************Looking for simple solutions to your real-life financial
challenges? Check out WalletPop for the latest news and information, tips and
calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)
Message 2
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| Subject: | Uvalde, TX airport |
Gene;
When I made my first solo x-c in a Cessna 150/150 "Texas Taildragger" many moons
ago, the first leg was from Laredo International to Uvalde, just over the required
100NM distance for the leg. I was shaking when I got out of the airplane
to have the FBO attendant sign my logbook. Believe me, there isn't much to
see in those 100NM of deep south Texas brush country and there was even less
to see 27 years ago. Although I hadn't gotten lost or had any problems, it was
quite a thing to be out on my own. I navigated there using the ADF and had
no problems.
My second leg was from Uvalde to Cotulla, TX... another very friendly place, in
case you find yourself there. I took my Private Pilot written exam sitting in
the FSS at Cotulla over 40 years ago. The weather specialist administered the
exam and watched me out of the corner of his eye ;o) I have flown in and fueled
41CC a couple of times in Cotulla since I've had the airplane.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
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Thanks For the info I think I will have a crack at them now.
On another note Dan where did you get your brake drum if that's what it is called.I
was going to start another post to ask if anyone knew but you would be the
best to ask.
Thanks carson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 6887#206887
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| Subject: | Re: Cabane brackets |
Clif,
-
You have clearly given me confidence in this area. I will keep to plans and
forge ahead. Thanks for the great information and time to respond.
Kenneth M. Heide, BA, CPO, FAAOP
-
--- On Mon, 9/29/08, Clif Dawson <CDAWSON5854@shaw.ca> wrote:
From: Clif Dawson <CDAWSON5854@shaw.ca>
Subject: Re: Pietenpol-List: Cabane brackets
Appearance is deceiving. The engineering isn't.
A bolt's shear strength is approximately 60% of
it's tensile strength.
-
The AN bolts we use have a tensile strength of
125,000 lb per square inch. A 3/16" AN-3 bolt
cross section is 0.0277 sq inches. so each
shear point is capable of supporting 3468 lb.
There are two brackets per cabane. Not any
chance of the bolts shearing
-
The wood shear strength is a little different at
this juncture as one bolt is in end shear and the
other is "shear across the grain".
-
Across the grain. in the longeron, the "tensile
perpendicular to the grain" is 360 lb per square inch.
The chart doesn't give an actual shear number
unfortunately.
-
Parallel to the grain, in the upright cross member
it's 1120 lb per sq inch.
-
Also you are going through two layers of 1/8"
hardwood ply.
-
There are at least a couple of Piets with wood
cabanes and mine does too. Consider the
strength of that cabane joint with one bolt through
it. A bolt in this configuration will pull a plug of
wood out equal to the width of the bolt. This means
we have two "faces" where shear is working.
-
If the bolt is 1" away from the end and the wood is
1" wide then we have two 1" sqare faces, each
with a strength of 1120 lb or 2240 lb in total.
-
So how much force-is each cabane going to see?
-
Consider a Piet with four cabanes and a max
load of 1200 lb. Now we have to consider how
much of the total load is seen by the cabanes.
Remember, the struts take most of the load as
they are just outboard of the halfway point on
each panel. Also the upward force distribution is
parabolic, the closer you get to the tip the less
the wing supports. We have an unequal seesaw
with some upward load on the cabanes and most
on the outer struts.
-
The area between the strut connection and the
cabane sees about 65% of the wing load. So
there's a difference of 20%. That's what the
cabanes support. On our example that's 20% of
1200 lb or 240 lb distributed among four cabanes.
-
If they all supported equally then each supports
60 lb. They don't.The front takes more but that
can't be more than 70 lb.
-
Multiply that estimated 70 lb by your choice of
G factor, say 4G, and that strut sees 280 lb.
Even if we were to factor in "bounce off the seat"
gust loads that single bolt isn't going to see loads
anywhere near 2240 lb.
-
Just for the sake of my own irrational fears I've
made that joint with three bolts 1" away from
each other. :-)
-
So applying the above to the fuselage bolts it
becomes evident, just by eyeball, that any fears
of failure are ungrounded.
-
If that isn't enough to convince then consider the
venerable and long lived DC-3, with a-pair of-1/2"
bolts in the landing gear knee.
-
Of course all I've done is support the fact that
damn near every Piet ever flown was built with
those two bolts in the fuselage. Right?- :-)
-
Clif
-
"The greatest deception men suffer is from their own opinions." (Leonardo d
a Vinci)
-
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----- Original Message -----
From: KMHeide, BA, CPO, FAAOP
Sent: Monday, September 29, 2008 3:38 PM
Subject: Re: Pietenpol-List: Cabane brackets
It just appears to me that the bolts are not very big going thru the wood t
o hold much.
Kenneth M. Heide, BA, CPO, FAAOP
-
--- On Mon, 9/29/08, HelsperSew@aol.com <HelsperSew@aol.com> wrote:
From: HelsperSew@aol.com <HelsperSew@aol.com>
Subject: Re: Pietenpol-List: Cabane brackets
Ken,
-
I can't see those two bolts moving once they are torqued tight.
-
Dan Helsper
Poplar Grove, IL.
Looking for simple solutions to your real-life financial cha540686/aol?redi
r=http://www.walletpop.com/?NCID=emlcntuswall00000001" hrr=http://www
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Message 5
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Carson,
Those documents/drawings under the name of Santiago Morete are actually
authored by me. I was trying to help him do the same thing you want to do. I had
already gone through this whole process so I sent him all this info. I would
recommend studying Santiago's photos because he improved on my ideas. In
answer to your question about the drums, I went into great detail with Santiago
on
this, that is why I am directing you to look at the documents/drawings that
he has posted under his name at westcoastpiet.com. After you study all that,
feel free to ask me additional questions.
Dan Helsper
Poplar Grove, IL.
**************Looking for simple solutions to your real-life financial
challenges? Check out WalletPop for the latest news and information, tips and
calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)
Message 6
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I have tried on several occasions to open those documents on
westcoastpiet.com, and have never been successful.
I get the first one to open, but not either of the other two. Anyone else
have this same problem, or is it just me?
Bill C.
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
HelsperSew@aol.com
Sent: Tuesday, September 30, 2008 9:16 AM
Subject: Re: Pietenpol-List: Re: Wheel hubs
Carson,
Those documents/drawings under the name of Santiago Morete are actually
authored by me. I was trying to help him do the same thing you want to do. I
had already gone through this whole process so I sent him all this info. I
would recommend studying Santiago's photos because he improved on my ideas.
In answer to your question about the drums, I went into great detail with
Santiago on this, that is why I am directing you to look at the
documents/drawings that he has posted under his name at westcoastpiet.com.
After you study all that, feel free to ask me additional questions.
Dan Helsper
Poplar Grove, IL.
Message 7
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They worked fine for me, Bill. Maybe try saving them to your computer before
opening them (instead of trying to open them in the browser).
On Tue, Sep 30, 2008 at 10:18 AM, Bill Church <eng@canadianrogers.com>wrote:
> I have tried on several occasions to open those documents on
> westcoastpiet.com, and have never been successful.
> I get the first one to open, but not either of the other two. Anyone else
> have this same problem, or is it just me?
>
> Bill C
>
Message 8
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Bill,
Those files open fine for me.
Dan Helsper
Poplar Grove, IL.
**************Looking for simple solutions to your real-life financial
challenges? Check out WalletPop for the latest news and information, tips and
calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)
Message 9
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Bill,
Those all appear to be Word Docs, although the last two are drawings. They
opened OK for me.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion
Tail done, working on fuselage
(11 ribs down.)
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Bill Church
Sent: Tuesday, September 30, 2008 8:18 AM
Subject: RE: Pietenpol-List: Re: Wheel hubs
I have tried on several occasions to open those documents on
westcoastpiet.com, and have never been successful.
I get the first one to open, but not either of the other two. Anyone else
have this same problem, or is it just me?
Bill C.
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
HelsperSew@aol.com
Sent: Tuesday, September 30, 2008 9:16 AM
Subject: Re: Pietenpol-List: Re: Wheel hubs
Carson,
Those documents/drawings under the name of Santiago Morete are actually
authored by me. I was trying to help him do the same thing you want to do. I
had already gone through this whole process so I sent him all this info. I
would recommend studying Santiago's photos because he improved on my ideas.
In answer to your question about the drums, I went into great detail with
Santiago on this, that is why I am directing you to look at the
documents/drawings that he has posted under his name at westcoastpiet.com.
After you study all that, feel free to ask me additional questions.
Dan Helsper
Poplar Grove, IL.
Message 10
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Still no luck.
I don't know. Must be my computer.
I'll try on a different machine.
Thanks, guys.
Message 11
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Thanks Dan
I have read it again this morning,You made them yourself thats why I cant find
them anywhere to buy.I had no trouble opening the files.
Thanks again
Carson
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 6953#206953
Message 12
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| Subject: | Re: front seat repairs |
Oscar,
Enjoyed looking at your description of your front seat. I got a chance
to look at mine this afternoon. I've just started covering my tail
surfaces, and have the fuselage nearly ready to cover. I'm sure I built
my front seat to the plans, but as built it sure looks like it could
fail as the originator of this string described. I have cut-outs
similar to yours to give access to the rudder bar. Think I might need
to reinforce a little here, although I'm a long way from taking
passengers. Really liked your note on the seat bottom!
Ben Charvet
Mims, Fl
Oscar Zuniga wrote:
>
>
> The front seat in 41CC failed due to the nose-over, in a peculiar way.
Message 13
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| Subject: | Re: Cabane brackets |
Gary,
Gary,
Its supposed to be Holiday Express!
So; how is your Piet coming?
Cheers, Jim
On Sep 29, 2008, gboothe5@comcast.net wrote:
Ken,
I’m no structural engineer, but I do
stay at Holiday Inns.
The brackets rely on compression to keep
them from moving. Use the appropriate torque values for those bolts and you
will be good.
Message 14
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| Subject: | Assembling hydraulic hoses |
I've been trying all night to screw the nipple from the Aeroquip 491 fitting
onto the cut end of some Aeroquip 303 hose to make up brake hoses. Can't
seem to get the hose to screw all the way into the fitting. Any tips or tricks
on how to get this on. My fingers are raw from pushing and twisting the hose.
Tried recutting the hose several times for a clean start - no luck.
Matt Paxton
**************Looking for simple solutions to your real-life financial
challenges? Check out WalletPop for the latest news and information, tips and
calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)
Message 15
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| Subject: | Re: Assembling hydraulic hoses |
Matt,
Don't take this as the gospel. I am trying to dredge up memories from about
8 years ago (that's depressing). I think we gave the nipple and the inside
of the hose a shot of lube, in that case Aero-Kroil. I know something was
applied, and I'm pretty sure that was it. Either way, I would imagine a
WD-40/Marvel/PB Blaster would work. But you sure can't beat the oil that
creeps!
Ryan
On Tue, Sep 30, 2008 at 11:17 PM, <Woodflier@aol.com> wrote:
> I've been trying all night to screw the nipple from the Aeroquip 491
> fitting onto the cut end of some Aeroquip 303 hose to make up brake hoses.
> Can't seem to get the hose to screw all the way into the fitting. Any tips
> or tricks on how to get this on. My fingers are raw from pushing and
> twisting the hose. Tried recutting the hose several times for a clean start
> - no luck.
>
> Matt Paxton
>
Message 16
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| Subject: | Re: Cabane brackets |
Your welcome Ken. After all, it's one of the OTHER things
this list is all about. He said with a silly grin. :-)
And I do have ONE good story. It's a bit long. It's in two
parts spanning three years. It has left four guys wondering
"How did he do THAT?". :-)
Clif
Clif,
You have clearly given me confidence in this area. I will keep
to plans and forge ahead. Thanks for the great information and time to
respond.
Kenneth M. Heide, BA, CPO, FAAOP
Of course all I've done is support the fact that
damn near every Piet ever flown was built with
those two bolts in the fuselage. Right? :-)
Clif
"The greatest deception men suffer is from their own
opinions." (Leonardo da Vinci)
----- Original Message -----
From: KMHeide, BA, CPO, FAAOP
To: pietenpol-list@matronics.com
Sent: Monday, September 29, 2008 3:38 PM
Subject: Re: Pietenpol-List: Cabane brackets
It just appears to me that the bolts are not very big
going thru the wood to hold much.
Kenneth M. Heide, BA, CPO, FAAOP
--- On Mon, 9/29/08, HelsperSew@aol.com
<HelsperSew@aol.com> wrote:
From: HelsperSew@aol.com <HelsperSew@aol.com>
Subject: Re: Pietenpol-List: Cabane brackets
To: pietenpol-list@matronics.com
Date: Monday, September 29, 2008, 3:26 PM
Ken,
I can't see those two bolts moving once they are
torqued tight.
Dan Helsper
Poplar Grove, IL.
------------------------------------------------------------
Looking for simple solutions to your real-life
financial
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3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
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Checked by AVG - http://www.avg.com
9/30/2008 7:08 PM
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