Today's Message Index:
----------------------
1. 04:11 AM - Re: Kevin Purtee Update 7/29/2012 (helspersew@aol.com)
2. 04:26 AM - Re: Tail wires and Turnbuckle (helspersew@aol.com)
3. 05:55 AM - Re: Hello Good People (caldwrl)
4. 05:59 AM - 1/16th tail brace wires (Douwe Blumberg)
5. 06:39 AM - Re: Tail wires and Turnbuckle (Michael Perez)
6. 07:11 AM - A simple way to make the straight axle LG ()
7. 07:26 AM - Re: A simple way to make the straight axle LG (Ken Bickers)
8. 08:20 AM - Re: Hello Good People (TOM STINEMETZE)
9. 08:41 AM - Re: Hello Good People (AircamperN11MS)
10. 08:47 AM - A-65 Valve Covers (Oscar Zuniga)
11. 08:55 AM - Re: Hello Good People (gboothe5@comcast.net)
12. 08:56 AM - Re: A simple way to make the straight axle LG (Michael Perez)
13. 08:59 AM - Re: A-65 Valve Covers (Michael Perez)
14. 10:38 AM - Re: Re: Tail wires and Turnbuckle (skipgadd@earthlink.net)
15. 11:03 AM - Re: I've bought a Piet! (K5YAC)
16. 12:31 PM - Re: A simple way to make the straight axle LG (C N Campbell)
17. 01:05 PM - Re: A-65 Valve Covers (taildrags)
18. 02:04 PM - Re: A-65 Valve Covers (AircamperN11MS)
19. 02:53 PM - Re: Kevin Purtee Update 7/29/2012 (Dortch, Steven D MAJ NG NG NGB)
20. 03:11 PM - Re: Kevin Purtee Update 7/29/2012 (Dortch, Steven D MAJ NG NG NGB)
21. 03:20 PM - Re: Kevin Purtee Update 7/29/2012 (dgaldrich)
22. 06:01 PM - Re: A simple way to make the straight axle LG (Gene Rambo)
23. 06:02 PM - Re: 1/16th tail brace wires (Gene Rambo)
24. 06:40 PM - Kevin Purtee update 7/30/2012 (IT Girl)
25. 06:59 PM - Re: Kevin Purtee update 7/30/2012 (Jim Boyer)
26. 08:11 PM - not fun, but educational... (Douwe Blumberg)
27. 09:07 PM - Re: Kevin Purtee update 7/30/2012 (taildrags)
28. 09:24 PM - Re: 1/16th tail brace wires (taildrags)
29. 10:45 PM - Air Compressor (dwilson)
Message 1
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| Subject: | Re: Kevin Purtee Update 7/29/2012 |
Wow, an incredible transformation! 7 days from near oblivion. Testimony to
the man. Can't keep him down. You GO Kev!
Dan Helsper
Puryear, TN
do not archive
-----Original Message-----
From: Greg Cardinal <gcardinal@comcast.net>
Sent: Sun, Jul 29, 2012 5:13 pm
Subject: Re: Pietenpol-List: Kevin Purtee Update 7/29/2012
t>
John Hofman and Chris Bobka visited Kevin earlier today and asked to have a
n
update posted.
Kevin is feeling well enough to complain about the food so he is scheduled
to be discharged tomorrow.
He will travel via Amtrak and be home within 24 hours.
Shipping arrangements for FBG are in the works and she will arrive at her
hangar soon.
Greg Cardinal
Message 2
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| Subject: | Re: Tail wires and Turnbuckle |
Fred,
I used 1/16" dia 7 x 7 wire cable for tail brace wires, same as Bernerd's L
ast Original that was displayed at Brodhead last week. 70 hours and my tail
feathers haven't moved. This cable is available from ACS.
Dan Helsper
Puryear TN
-----Original Message-----
From: FandS_Piet <fkim79@gmail.com>
Sent: Sun, Jul 29, 2012 5:51 pm
Subject: Pietenpol-List: Tail wires and Turnbuckle
Hey Guys,
I am wondering if it is best or common practice to use 1x19 wire for the
tail
bracing. Thats what I want to use but it only seems to be available in 1/1
6th
which doesnt give me a warm fuzzy feeling, and 1/8th which I think is too b
ig.
Im also worried about wrapping it around the thimble, if it is possible?
Also turn buckle size. Long or short, or does it not matter? Are there an
y
areas where the shorter turnbuckles dont allow for enough adjustment?
Thanks
--------
Fred Kim
Pittsburgh, Pa
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=379528#379528
Message 3
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| Subject: | Re: Hello Good People |
Well, my proof reading skills are deplorable. In my previous post, the word "not"
should have been "now"... meaning, I do have the Piet wired and plumbed, and
of course, it is hot in TX.
Come on home Kevin and Shelley... no place like it.
Do not archive
--------
Robert Caldwell
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=379566#379566
Message 4
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| Subject: | 1/16th tail brace wires |
I've heard this discussion before.
Lots of guys have used 3/32nd on the tail wires because they are abused in
the turbulent air, and are relatively important. The idea being the thicker
cable will withstand vibration better over time.
Some guys have used 1/16th because the rated strength grossly exceeds the
strength of the wooden structure they support.
Some guys have used the original hard wire per the plans.
My question is this. Has anyone EVER experienced a busted, or busting
1/16th cable on their tail assembly?
Douwe
Message 5
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| Subject: | Re: Tail wires and Turnbuckle |
Fred, (or anyone else) I have the means to swage fittings on cables if you
are interested in using swage on fittings at opposed to the thimble/nicopre
ss arrangement.- Contact me off list.
Michael Perez
=0APietenpol HINT Videos
=0AKaretaker Aero
=0Awww.karetakeraero.com
Message 6
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| Subject: | A simple way to make the straight axle LG |
Just wanted to pass along how I tackled the straight axle LG - It worked relly
well for me. Seeing some photos of upside down fuselages and a lot of jigging
going on really intimidated me. I figured there had to be a way to figure all
this out with some math. As it turned out, my guess was correct.
Check out this article at MATH IS FUN http://www.mathsisfun.com/algebra/trig-finding-angle-right-triangle.html I MUST have been sick the day they taught this in algebra class.
Theory:
Any leg angle (front to back or left to right)are just like a ladder against a
wall. If I have two of the three numbers such as the height of the ladder and
the distance the base is from the wall, I can determine the ladders angle.
The article sample uses a ladder 5 feet tall and 2.5 feet from the wall at the
ladders base ( Opposite = 2.5 and Hypotenuse = 5). I plugged the LG numbers into
Microsoft Excel using the formula =Degrees (ASIN(Opposite / Hypotenuse)) or
more literally =Degrees (ASIN(2.5 / 5)). The correct answer is 30 (degrees)
for the example in the article. A simple scientific calculator works just as well
using Sin-1 (2.5 / 5) = 30 (degrees)
Reality:
I took the numbers from the plans and plugged them into excel to get my 3 primary
angles (one for front legs, one for rear legs and a third for the compound
angle which was the same for every cut). As I explain below there is artistically
a fourth angle.
First attempt: With my angles in hand I went to the miter saw and set my angles
and began to turn a long piece of wood into many short ones - until I got compound
cutting operations under control lost $3.59 and a half hour of my life
gained knowledge. Hints you do not need to lift flip or rotate the board to
make the seconds cut (per strut) just slide it left or right! All cuts have
the compound angle the same and it is never changed.
Second Attempt: My seconds attempt was near perfect! The rear struts were dead
on. I just wanted to make a slight adjustment for the forward strut top cut
to compensate for the slight curvature of the fuse bottom (I added 7 degrees to
the left) and it was spot on!
All in all I had ONE HOUR in the cutting and assembling of the mock up LG not
including attempt #1. A small air nail gun worked great to attach the legs to
my simulated ash blocks. I used a carpenter square (like you might use a plumb
bob) and tape measure to check the finished article to the dimensions on the
plans and they were dead on!
If you are wondering how to determine the length of the struts (hypotenuse), and
the distance from the wall (Opposite) for the landing gear - these numbers are
stated and or determined from the numbers on the LG plans.
Hints: Opposite = ((LG width fuse width) / 2). Do not include the width of the
ash blocks. If you choose to use the TAN-1/ATAN() or COS-1/ACOS() functions,
remember to subtract the height of the ash blocks from the Adjacent (this number
is on the plans).
Tools: Straight axle LG plans ($20), compound miter saw (borrowed $0), carpenters
square, tape measure, pencil, air nail gun + compressor, Microsoft Excel or
a scientific calculator, half a brain
Materials for prototype: One 8 long 2 X pine board (or two if you are a novice
at compound miter cutting!) and some nails /staples for the nail gun ($3.49).
Feel free to email off list me with questions. I might even do a video if enough
ask for me to do so!
Now I just have to figure out how to bend metal fittings.
Bob Early Builder Dewenter
rdewenter (a) woh.rr.com
Message 7
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| Subject: | Re: A simple way to make the straight axle LG |
Bob, I already finished my gear legs. I wish I had seen this first.
I'm definitely filing this away in my "resources for the future"
folder. Cheers, Ken
Do Not Archive
On Mon, Jul 30, 2012 at 8:10 AM, <rdewenter@woh.rr.com> wrote:
>
> Just wanted to pass along how I tackled the straight axle LG - It worked relly
well for me. Seeing some photos of upside down fuselages and a lot of jigging
going on really intimidated me. I figured there had to be a way to figure
all this out with some math. As it turned out, my guess was correct.
>
> Check out this article at MATH IS FUN http://www.mathsisfun.com/algebra/trig-finding-angle-right-triangle.html I MUST have been sick the day they taught this in algebra class.
>
> Theory:
>
> Any leg angle (front to back or left to right)are just like a ladder against
a wall. If I have two of the three numbers such as the height of the ladder and
the distance the base is from the wall, I can determine the ladders angle.
>
> The article sample uses a ladder 5 feet tall and 2.5 feet from the wall at the
ladders base ( Opposite = 2.5 and Hypotenuse = 5). I plugged the LG numbers
into Microsoft Excel using the formula =Degrees (ASIN(Opposite / Hypotenuse))
or more literally =Degrees (ASIN(2.5 / 5)). The correct answer is 30 (degrees)
for the example in the article. A simple scientific calculator works just as
well using Sin-1 (2.5 / 5) = 30 (degrees)
>
> Reality:
>
> I took the numbers from the plans and plugged them into excel to get my 3 primary
angles (one for front legs, one for rear legs and a third for the compound
angle which was the same for every cut). As I explain below there is artistically
a fourth angle.
>
> First attempt: With my angles in hand I went to the miter saw and set my angles
and began to turn a long piece of wood into many short ones - until I got compound
cutting operations under control lost $3.59 and a half hour of my life
gained knowledge. Hints you do not need to lift flip or rotate the board
to make the seconds cut (per strut) just slide it left or right! All cuts have
the compound angle the same and it is never changed.
>
> Second Attempt: My seconds attempt was near perfect! The rear struts were dead
on. I just wanted to make a slight adjustment for the forward strut top cut
to compensate for the slight curvature of the fuse bottom (I added 7 degrees
to the left) and it was spot on!
>
> All in all I had ONE HOUR in the cutting and assembling of the mock up LG not
including attempt #1. A small air nail gun worked great to attach the legs
to my simulated ash blocks. I used a carpenter square (like you might use a plumb
bob) and tape measure to check the finished article to the dimensions on
the plans and they were dead on!
>
> If you are wondering how to determine the length of the struts (hypotenuse),
and the distance from the wall (Opposite) for the landing gear - these numbers
are stated and or determined from the numbers on the LG plans.
>
> Hints: Opposite = ((LG width fuse width) / 2). Do not include the width of
the ash blocks. If you choose to use the TAN-1/ATAN() or COS-1/ACOS() functions,
remember to subtract the height of the ash blocks from the Adjacent (this
number is on the plans).
>
> Tools: Straight axle LG plans ($20), compound miter saw (borrowed $0), carpenters
square, tape measure, pencil, air nail gun + compressor, Microsoft Excel
or a scientific calculator, half a brain
>
> Materials for prototype: One 8 long 2 X pine board (or two if you are a
novice at compound miter cutting!) and some nails /staples for the nail gun ($3.49).
>
> Feel free to email off list me with questions. I might even do a video if enough
ask for me to do so!
>
> Now I just have to figure out how to bend metal fittings.
>
> Bob Early Builder Dewenter
> rdewenter (a) woh.rr.com
>
>
Message 8
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| Subject: | Re: Hello Good People |
Message 9
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| Subject: | Re: Hello Good People |
Kevin,
Sorry to hear about your accident. I just got back from my own vacation and in
disbelief as I read these threads. Anyway, I am glad to see you are on the
mend and hope one day to meet you and shake your hand.
You have many friends around you and all of them are pulling for you.
Best wishes,
--------
Scott Liefeld
Flying N11MS since March 1972
Steel Tube
C-85-12
Wire Wheels
Brodhead in 1996
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=379594#379594
Message 10
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| Subject: | A-65 Valve Covers |
Mike=3B
I got the ones for my A75 on eBay. They always seem to be out there=3B you
just have to watch for them and be patient. I bought two different lots b
efore I got a matched set of 4 valve covers=2C but it's easy to sell what y
ou don't want. I wanted the stamped ones (lighter than the cast ones=2C I
think). Cleaned=2C prepped=2C painted=2C and they look like new again. Us
e the orange synthetic rubber gaskets for leak-free seals... cork will hard
en and weep.
Oscar Zuniga
Air Camper NX41CC "Scout"
Flying Squirrel N2069Z "Rocket"
Medford=2C OR
website at http://www.flysquirrel.net
Message 11
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| Subject: | Re: Hello Good People |
Well said, Tom!
Do not archive
Sent on the Sprint Now Network from my BlackBerry
-----Original Message-----
From: "TOM STINEMETZE" <TOMS@mcpcity.com>
Sender: owner-pietenpol-list-server@matronics.com
This is a MIME message. If you are reading this text, you may want to
consider changing to a mail reader or gateway that understands how to
properly handle MIME multipart messages.
Content-Type: multipart/alternative; boundary="=__Part85B4CE0D.1__="
--=__Part85B4CE0D.1__
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
3rd: thanks for the offer of financial and other support. Very generous
but please only give WHAT you can, IF you can, and if you WANT TO. You
owe us nothing but your friendship, which you are already generous with.
--------
Kevin "Axel" Purtee
NX899KP
Austin/San Marcos, TX
Kevin and Shelly:
There is no blessing we can have in this life that exceeds the blessing of
friendship. True friends are those who are there just because there is a
need with no thought of the cost or inconvenience. Friends don't just
happen by accident, they are the result of time spent and acts of kindness
given. You guys have created these friendships just because of the kind
of folks you are. Consequently, in return you are blessed when things go
wrong. Kind of neat how God worked that out, eh?
I have been blessed similarly during my recent bout with back surgery and
my seemingly endless ongoing recovery. I say this only to give credence
to my claim to understand what you are going through. i.e. the pain, the
wonderful feeling of being able to walk yourself to the bathroom, the
CONSTIPATION (sorry), the hospital food, etc. etc. I am with you in
spirit if not in fact and intend to be with you in dollars as well - just
because you folks are true friends and nobody can have enough of those. (
Now you want to hug me, eh? Well forget about it!)
Tom Stinemetze
N328X
do not archive
--=__Part85B4CE0D.1__
Content-Type: text/html; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
Content-Description: HTML
<HTML><HEAD>
<META content="text/html; charset=utf-8" http-equiv=Content-Type>
<META name=GENERATOR content="MSHTML 9.00.8112.16447"></HEAD>
<BODY style="MARGIN: 4px 4px 1px; FONT: 12pt Times New Roman; COLOR:
#000080">
<DIV>3rd: thanks for the offer of financial and other support. Very
generous but please only give WHAT you can, IF you can, and if you WANT
TO. You owe us nothing but your friendship, which you are already
generous with.<BR><BR>--------<BR>Kevin &quot;Axel&quot; Purtee<BR>
NX899KP<BR>Austin/San Marcos, TX<BR></DIV>
<DIV><STRONG>Kevin and Shelly:</STRONG></DIV>
<DIV><STRONG></STRONG> </DIV>
<DIV><STRONG>There is no blessing we can have in this life that exceeds
the blessing of friendship. True friends are those who are there
just because there is a need with no thought of the cost or inconvenience.&
nbsp; Friends don't just happen by accident, they are the result of time
spent and acts of kindness given. </STRONG><STRONG>You guys have
created these friendships just because of the kind of folks you are.
Consequently, in return you are blessed when things go wrong. Kind
of neat how God worked that out, eh?</STRONG></DIV>
<DIV><STRONG></STRONG> </DIV>
<DIV><STRONG>I have been blessed similarly during my recent bout with back
surgery and my seemingly endless ongoing recovery. I say this only
to give credence to my claim to understand what you are going through. 
; i.e. the pain, the wonderful feeling of being able to walk yourself to
the bathroom, the CONSTIPATION (sorry), the hospital food, etc. etc.
I am with you in spirit if not in fact and intend to be with you in
dollars as well - just because you folks are true friends and nobody can
have enough of those. ( Now you want to hug me, eh? Well
forget about it!)</STRONG></DIV>
<DIV><STRONG></STRONG> </DIV>
<DIV><STRONG>Tom Stinemetze</STRONG></DIV>
<DIV><STRONG>N328X</STRONG></DIV>
<DIV><STRONG>do not archive</STRONG></DIV>
<DIV><STRONG></STRONG> </DIV>
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre>
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
--=__Part85B4CE0D.1__=--
Message 12
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| Subject: | Re: A simple way to make the straight axle LG |
Nice work on the trig. functions and explanation.
Those trig. calculations can also be useful for figuring wing strut length,
and length changes needed for various dihedral.
It can also be used to figure out what dihedral angles equate to tip height
changes .- I have done this, but don't have the figures in front of me.
(for the standard length wing)- I was impressed with how a small change i
n degree would elevate the tip of the wing quite a bit.
There are many ways to get the job done. I did my wood landing gear with th
e fuselage right side up and no jigging.- All of which is documented on H
INT Video #8 Wood Landing Gear!- (shameless plug,..)
Michael Perez
=0APietenpol HINT Videos
=0AKaretaker Aero
=0Awww.karetakeraero.com
Message 13
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| Subject: | Re: A-65 Valve Covers |
Are the cast covers the only ones with the added lip? If they are and they do weigh
more, then I may not worry about them. I have two sets of the "standard"
covers.
I bought the gasket/seal kit from Fresno and I believe the cover gaskets are orange...definitely
not cork.
Michael Perez
Pietenpol HINT Videos
Karetaker Aero
www.karetakeraero.com
Message 14
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| Subject: | Re: Tail wires and Turnbuckle |
Group,
I need to correct a statement I made last night. 1/16" cable is rated at
480lbs not 940lbs. Still believe it is way stronger than the wood it
supports.
Thanks for the heads up Greg.
Ski
Message 15
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| Subject: | Re: I've bought a Piet! |
Checked my mail... it doesn't seem that David sent any packaging photos, but here
are a couple from when they loaded it onto the trailer. According to David
there was minimal damage... he said that the tailwheel/post area would need some
attention, otherwise it is intact.
--------
Mark Chouinard
Wings, Center Section and Empannage and Fuse framed up - Working on Landing Gear
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=379608#379608
Attachments:
http://forums.matronics.com//files/n7035n_2_119.jpg
http://forums.matronics.com//files/n7035n_1_173.jpg
Message 16
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| Subject: | Re: A simple way to make the straight axle LG |
Hey! That ain't algebra -- it's trigonometry.
----- Original Message -----
From: <rdewenter@woh.rr.com>
Sent: Monday, July 30, 2012 10:10 AM
Subject: Pietenpol-List: A simple way to make the straight axle LG
>
> Just wanted to pass along how I tackled the straight axle LG - It worked
> relly well for me. Seeing some photos of upside down fuselages and a lot
> of jigging going on really intimidated me. I figured there had to be a
> way to figure all this out with some math. As it turned out, my guess was
> correct.
>
> Check out this article at MATH IS FUN
> http://www.mathsisfun.com/algebra/trig-finding-angle-right-triangle.html
> I MUST have been sick the day they taught this in algebra class.
>
> Theory:
>
> Any leg angle (front to back or left to right)are just like a ladder
> against a wall. If I have two of the three numbers such as the height of
> the ladder and the distance the base is from the wall, I can determine the
> ladders angle.
>
> The article sample uses a ladder 5 feet tall and 2.5 feet from the wall at
> the ladders base ( Opposite = 2.5 and Hypotenuse = 5). I plugged the LG
> numbers into Microsoft Excel using the formula =Degrees (ASIN(Opposite /
> Hypotenuse)) or more literally =Degrees (ASIN(2.5 / 5)). The correct
> answer is 30 (degrees) for the example in the article. A simple scientific
> calculator works just as well using Sin-1 (2.5 / 5) = 30 (degrees)
>
> Reality:
>
> I took the numbers from the plans and plugged them into excel to get my 3
> primary angles (one for front legs, one for rear legs and a third for the
> compound angle which was the same for every cut). As I explain below
> there is artistically a fourth angle.
>
> First attempt: With my angles in hand I went to the miter saw and set my
> angles and began to turn a long piece of wood into many short ones - until
> I got compound cutting operations under control lost $3.59 and a half
> hour of my life gained knowledge. Hints you do not need to lift flip
> or rotate the board to make the seconds cut (per strut) just slide it
> left or right! All cuts have the compound angle the same and it is never
> changed.
>
> Second Attempt: My seconds attempt was near perfect! The rear struts were
> dead on. I just wanted to make a slight adjustment for the forward strut
> top cut to compensate for the slight curvature of the fuse bottom (I added
> 7 degrees to the left) and it was spot on!
>
> All in all I had ONE HOUR in the cutting and assembling of the mock up
> LG not including attempt #1. A small air nail gun worked great to
> attach the legs to my simulated ash blocks. I used a carpenter square
> (like you might use a plumb bob) and tape measure to check the finished
> article to the dimensions on the plans and they were dead on!
>
> If you are wondering how to determine the length of the struts
> (hypotenuse), and the distance from the wall (Opposite) for the landing
> gear - these numbers are stated and or determined from the numbers on the
> LG plans.
>
> Hints: Opposite = ((LG width fuse width) / 2). Do not include the width
> of the ash blocks. If you choose to use the TAN-1/ATAN() or COS-1/ACOS()
> functions, remember to subtract the height of the ash blocks from the
> Adjacent (this number is on the plans).
>
> Tools: Straight axle LG plans ($20), compound miter saw (borrowed $0),
> carpenters square, tape measure, pencil, air nail gun + compressor,
> Microsoft Excel or a scientific calculator, half a brain
>
> Materials for prototype: One 8 long 2 X pine board (or two if
> you are a novice at compound miter cutting!) and some nails /staples for
> the nail gun ($3.49).
>
> Feel free to email off list me with questions. I might even do a video if
> enough ask for me to do so!
>
> Now I just have to figure out how to bend metal fittings.
>
> Bob Early Builder Dewenter
> rdewenter (a) woh.rr.com
>
>
>
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| Subject: | Re: A-65 Valve Covers |
I don't recall the tiny details between the different rocker covers and my airplane
isn't handy at the moment (wish it were!)- but here's a photo of mine. They
have the lip that captures the gasket and they are stamped.
--------
Oscar Zuniga
Medford/Ashland, OR
Air Camper NX41CC "Scout"
A75 power
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Attachments:
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Message 18
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| Subject: | Re: A-65 Valve Covers |
Mine are the cast ones and they do not have any flanges.
--------
Scott Liefeld
Flying N11MS since March 1972
Steel Tube
C-85-12
Wire Wheels
Brodhead in 1996
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Message 19
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| Subject: | Re: Kevin Purtee Update 7/29/2012 |
> He will travel via Amtrak and be home within 24 hours.
Not a bad way to travel per se. Especially if he gets a room with a bed and view.
Good place to read and watch the world go by.
However, You think he is complaining now! Wait until he has dealt with the AMTRAK
schedule. They have a stellar 14% on time rating. It took my daughter 20 hours
to get from OKC to San Antonio (<8hour drive), wait, that is when we drove
up to Austin and picked her up at 3AM. It would still be 3 hours before she
got to San Antonio (< 1.5 hour drive).
Having said all that, He doesn't have a schedule to meet and it is a relaxing way
to travel and he can hobble to the potty when he wants. Take snack food and
flying books and mags. And don't get upset when you get behind schedule.
Blue Skies,
Steve D
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| Subject: | Re: Kevin Purtee Update 7/29/2012 |
Shelly, don't forget to ask for the military rate on AMTRAK. Or maybe AARP!
Blue Skies,
Steve D
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| Subject: | Re: Kevin Purtee Update 7/29/2012 |
Instead of watching TGWP, you could get "Silver Streak". Even has a flying sequence...
AND you can play Words With Friends the entire ride without getting yelled at...
Dave
do NOT archive
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| Subject: | A simple way to make the straight axle LG |
LOL=2C if you have not bent metal yet=2C the legs you made are not going to
work. Trust me. Gene
> Date: Mon=2C 30 Jul 2012 10:10:53 -0400
> From: rdewenter@woh.rr.com
> To: pietenpol-list@matronics.com
> Subject: Pietenpol-List: A simple way to make the straight axle LG
>
>
> Just wanted to pass along how I tackled the straight axle LG - It worked
relly well for me. Seeing some photos of upside down fuselages and a lot o
f jigging going on really intimidated me. I figured there had to be a way
to figure all this out with some math. As it turned out=2C my guess was co
rrect.
>
> Check out this article at MATH IS FUN http://www.mathsisfun.com/algebra/t
rig-finding-angle-right-triangle.html I MUST have been sick the day they t
aught this in algebra class.
>
> Theory:
>
> Any leg angle (front to back or left to right)are just like a ladder agai
nst a wall. If I have two of the three numbers such as the height of the l
adder and the distance the base is from the wall=2C I can determine the lad
ders angle.
>
> The article sample uses a ladder 5 feet tall and 2.5 feet from the wall a
t the ladders base ( Opposite = 2.5 and Hypotenuse = 5). I plugged the
LG numbers into Microsoft Excel using the formula =Degrees (ASIN(Opposit
e / Hypotenuse)) or more literally =Degrees (ASIN(2.5 / 5)). The correct
answer is 30 (degrees) for the example in the article. A simple scientific
calculator works just as well using Sin-1 (2.5 / 5) = 30 (degrees)
>
> Reality:
>
> I took the numbers from the plans and plugged them into excel to get my 3
primary angles (one for front legs=2C one for rear legs and a third for th
e =93compound=94 angle which was the same for every cut). As I explain bel
ow there is =93artistically=94 a fourth angle.
>
> First attempt: With my angles in hand I went to the miter saw and set my
angles and began to turn a long piece of wood into many short ones - until
I got compound cutting operations under control ' lost $3.59 and a half h
our of my life ' gained knowledge. Hints ' you do not need to lift fli
p or rotate the board to make the seconds cut (per strut)' just slide it
left or right! All cuts have the compound angle the same and it is never c
hanged.
>
> Second Attempt: My seconds attempt was near perfect! The rear struts wer
e dead on. I just wanted to make a slight adjustment for the forward strut
top cut to compensate for the slight curvature of the fuse bottom (I added
7 degrees =93to the left=94) and it was spot on!
>
> All in all I had ONE HOUR in the cutting and assembling of the mock up LG
' not including attempt #1. A small air nail gun worked great to attach
the legs to my simulated ash blocks. I used a carpenter square (like you
might use a plumb bob) and tape measure to check the finished article to th
e dimensions on the plans and they were dead on!
>
> If you are wondering how to determine the length of the struts (hypotenus
e)=2C and the distance from the =93wall=94 (Opposite) for the landing gear
- these numbers are stated and or determined from the numbers on the LG pla
ns.
>
> Hints: Opposite = ((LG width ' fuse width) / 2). Do not include the
width of the ash blocks. If you choose to use the TAN-1/ATAN() or COS-1/AC
OS() functions=2C remember to subtract the height of the ash blocks from th
e =93Adjacent=94 (this number is on the plans).
>
> Tools: Straight axle LG plans ($20)=2C compound miter saw (borrowed $0)
=2C carpenters square=2C tape measure=2C pencil=2C air nail gun + compresso
r=2C Microsoft Excel or a scientific calculator=2C half a brain
>
> Materials for prototype: One 8=92 long 2 =BD=94 X =BE=94 pine board (o
r two if you are a novice at compound miter cutting!) and some nails /stapl
es for the nail gun ($3.49).
>
> Feel free to email off list me with questions. I might even do a video i
f enough ask for me to do so!
>
> Now I just have to figure out how to bend metal fittings=85.
>
> Bob =93Early Builder=94 Dewenter
> rdewenter (a) woh.rr.com
>
>
>
>
>
===========
===========
===========
===========
>
>
>
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| Subject: | 1/16th tail brace wires |
not and survived it . . . Genedo not archive
From: douweblumberg@earthlink.net
Subject: Pietenpol-List: 1/16th tail brace wires
I=92ve heard this discussion before.
Lots of guys have used 3/32nd on the tail wires
because they are abused in the turbulent air=2C and are relatively importan
t=85
The idea being the thicker cable will withstand vibration better over time.
Some guys have used 1/16th because the rated
strength grossly exceeds the strength of the wooden structure they support
=85
Some guys have used the original hard wire per the plans=85
My question is this. Has anyone EVER experienced a
busted=2C or busting 1/16th cable on their tail assembly?
Douwe
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| Subject: | Kevin Purtee update 7/30/2012 |
You guys are never going to believe this.... But we are heading home. The Doctors
kicked him out, said the hospital is for the sick and broken, and he needed
to get on down the road. I'll spare you the details, but with alot of logistical
wrangling, and help from local friends we were able to get moved to a hotel
for the night, and we will by flying home tomorrow.
(AM Trak was a bust, couldnt get a seat until 10 August)
Thank you for your all of your prayers and support, i truly believe that all of
the positive thoughts and prayers made the difference.
--------
Shelley Tumino
IT Girl
wife of "Axel"
NX899KP
DO NOT ARCHIVE
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| Subject: | Re: Kevin Purtee update 7/30/2012 |
Fantastic Shelley and Kevin,
Let us all know when you get home and keep us up to date on Kevin's progress.
Cheers,
Jim B.
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| Subject: | not fun, but educational... |
During some web perusing I stumbled across www.aircrashed.com
<http://www.aircrashed.com/> and did a search for Pietenpol and found
reports on a bunch of "incidents" that were not fun to read, but were very
educational.
Douwe
Do not archive
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| Subject: | Re: Kevin Purtee update 7/30/2012 |
God wasn't ready for Kevin yet and now the hospital turns him away too. I guess
we get to keep him around for awhile ;o) This is good news indeed. I am convinced
that rapid healing has a good deal to do with one's state of mind, determination
to move on, and refusal to throw pity parties. Somebody remind me
of that when I'm hurting and just want some sympathy and stroking ;o)
Safe journey back home...
--------
Oscar Zuniga
Medford/Ashland, OR
Air Camper NX41CC "Scout"
A75 power
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| Subject: | Re: 1/16th tail brace wires |
Busted a 1/16" tail brace wire and survived it. Didn't even know it was busted
till back on the ground. Now flying with stainless 1/16" wires back there because
I'm convinced it was corrosion and the resultant fretting that caused it
to let go. Those wires, and all the tail surfaces, really do vibrate a lot in
flight. There were NO frayed wires in any of the cables, as demonstrated by
the bare-finger inspection time and again, with no loss of blood.
Before the naysayers jump in, I'll acknowledge that stainless is not as good as
plain steel in strength, but it is better in corrosion resistance and I still
have the old tail brace wires if anyone doubts that corrosion doesn't take its
toll on things on the back end of the airplane and wants to see them. It's
my fault... I never bother to wash the airplane so it does build up debris back
there from time to time, but then again it gets some oil mist too. Okay, so
the oil mist attracts fine dust, which is an abrasive and tends to aggravate
the fretting. My bad, but I'd rather fly the airplane than wash and polish it.
If you don't want to worry about the tail brace wires, use 3/32" cable or the old-timey
smooth wire with ferrules. I'll bet if you used 3/32" with no turnbuckles
(twist the wire to add tension) you'd be as light as if you used 1/16" with
turnbuckles, or lighter. And you'd save money on turnbuckles. There doesn't
need to be a lot of tension on the wires, it just needs to form a fairly well
braced and evenly balanced assembly.
Let's see: at last count I had used up 4-1/2 of my allotted 9 lives (I only count
the broken tail brace wire as loss of 1/2 life). The object of the game is
to end up with at least one life in reserve at the end, or 45 minutes of fuel.
Or, wait... isn't the object to use up that last remaining life on a beautiful
springtime flight, low and slow, with the airplane trimmed up for hands-off
flight, perfect temperature, pull the "SMOKE" knob, and then yell "YEEEEEAAAAHHHOOOOO!!!"
as your ticker decides to head for the barn??? There are worse
ways to go.
--------
Oscar Zuniga
Medford/Ashland, OR
Air Camper NX41CC "Scout"
A75 power
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Anyone care to recommend an air compressor for the shop? My 30 year old Craftsman
professional gave up the ghost. Can not locate a new motor with a pivot style
mount. Parts are no longer available from Sears. Yes, I want continuous
duty for drill, sander, impact tools, etc. Any suggestions?
Dan
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