Today's Message Index:
----------------------
1. 03:48 AM - Re: What to look for in a 3/4 built Pietenpol (JGriff)
2. 04:51 AM - Re: Split Axel gear width (899PM)
3. 04:59 AM - Re: What to look for in a 3/4 built Pietenpol (tkreiner)
4. 05:51 AM - Re: What to look for in a 3/4 built Pietenpol (tkreiner)
5. 06:18 AM - need a different part (skellytown flyer)
6. 07:12 AM - Re: What to look for in a 3/4 built Pietenpol (Dortch, Steven D MAJ NG NG NGB)
7. 07:34 AM - Re: Wing education, please advise.. (gtche98)
8. 07:41 AM - Re: Rib drawing (Dan Yocum)
9. 08:22 AM - Re: Re: Wing education, please advise.. (Dan Yocum)
10. 08:40 AM - Re: Re: Wing education, please advise.. (Dan Yocum)
11. 09:04 AM - Re: Fly in (Dick N)
12. 09:42 AM - Re: Wing education, please advise.. (tkreiner)
13. 09:52 AM - Re: Re: Wing education, please advise.. (ALAN LYSCARS)
14. 10:01 AM - Re: Wing education, please advise.. (tkreiner)
15. 10:10 AM - Re: need a different part (Jack)
16. 10:40 AM - Re: Re: Wing education, please advise.. (ALAN LYSCARS)
17. 11:06 AM - Re: Re: Wing education, please advise.. (Gary Wilson)
18. 11:07 AM - Re: Re: Wing education, please advise.. (gboothe5@comcast.net)
19. 11:08 AM - Re: Re: Wing education, please advise.. (Dan Yocum)
20. 12:15 PM - Re: Re: Wing education, please advise.. (Jim Boyer)
21. 01:11 PM - Re: Happy Labor Day (Dan P)
22. 01:15 PM - Re: Re: Wing education, please advise.. (ALAN LYSCARS)
23. 02:16 PM - Re: Continental engine (Bill Church)
24. 03:24 PM - Re: Split Axel gear width (Don Emch)
25. 04:07 PM - Re: Wing education, please advise.. (Pieti Lowell)
26. 05:47 PM - Re: Re: Wing education, please advise.. (shad bell)
27. 06:06 PM - Re: Wing education, please advise.. (Billy McCaskill)
28. 06:08 PM - Re: Re: Continental engine (Jack)
29. 06:35 PM - Re: need a different part (skellytown flyer)
30. 06:42 PM - Re: Continental engine (Bill Church)
31. 07:25 PM - Re: Re: need a different part (Davis Roger)
32. 08:46 PM - Re: Continental engine (Billy McCaskill)
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Subject: | Re: What to look for in a 3/4 built Pietenpol |
Thanks for the ideas - they are all good ones. I may go down on Sunday and if so
I'll take lots of photos.
Jamie
Do not archive.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311788#311788
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Subject: | Re: Split Axel gear width |
I measured last night...mine is 62", not 60" as indicated earlier.
--------
PAPA MIKE
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311792#311792
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Subject: | Re: What to look for in a 3/4 built Pietenpol |
Jamie,
Along with the comments above, if you see the builders log, you might ask for any
receipts the builder has accumulated... These will show you exactly what was
assembled along the way.
just my .02.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311793#311793
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Subject: | Re: What to look for in a 3/4 built Pietenpol |
Jamie,
Along with the comments above, if you see the builders log, you might ask for any
receipts the builder has accumulated... These will show you exactly what was
assembled along the way.
just my .02.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311798#311798
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Subject: | need a different part |
I know it's pretty far off-topic but I stopped working on my project yesterday
to help a friend do some machine work on his. we were cutting a groove on a flange
on his ancient 17" Leblond lathe and the tool hung-instead of snapping the
tool it broke the whole end off the compound rest.I am sure hoping someone knows
about an old junked lathe or someone who salvages them we might be able to
find parts from.it probably wouldn't have to even be the same brand if the swivel
base would bolt down.I'd sure like to get back to my project. I was almost
done installing the ELT and ready to do some electrical work in the panel.
thanks for any help.and do not archive. Raymond
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311801#311801
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Subject: | Re: What to look for in a 3/4 built Pietenpol |
OK Is this a Pietenpol that is 75%complete or a 3/4 Scale Pietenpol? (LOL)
----- Original Message -----
From: JGriff <jgriffith19@comcast.net>
Subject: Pietenpol-List: What to look for in a 3/4 built Pietenpol
>
> I may go look at a partially built Pietenpol that sounds like it is on its gear
and mostly covered. I think it is a short fuselage, 3 piece
> wing, and has an A65 that has 800 hours but hasn't run in a while.
> It's been a 10 year project that the builder has lost interest in.
> Unfortunately I couldn't get a lot of information due to spotty
> cell phone reception but I'm going to call back later this week to
> get more info. I may go look at it this weekend but if I do what
> are some of the things I should look for? Are there some gotchas I
> should keep an eye open for? I need help coming up with a
> checklist and questions I should be asking so any help is appreciated.
> Thanks.
> Jamie
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=311751#311751
>
>
>
>
>
>
>
>
>
>
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Subject: | Re: Wing education, please advise.. |
For those using the GA30-612 or GA30-613.5 airfoils, are you designing your own
trusses, or are there standard truss designs for these airfoils? In my search
of the archives, I have learned how to use the proper names of the airfoils
( :D )and I have found information that would indicate that a 613.5 may be a
good choice for me (at 225lbs). Unfortunately, I have found nothing on truss
design for using these with a piet.
Thanks for any insight. I hope to start my ribs before the end of the year, and
am asking myself the same questions that Joe is asking.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311811#311811
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I retract the following statement - I really meant to say that 28 3/4"
is a better dimension since 28 3/4" matches the attach points on the
fuselage.
Dan
On 08/29/2010 02:34 PM, Dan Yocum wrote:
> I disagree. I think 29" on-center is a better dimension. It matches the 29" between
the attach points on the fuse. And even though WW thinks it's a misguided
belief that one can shift the wing back and forth to correct for CoG issues,
a perfect parallelogram *will* allow for such shifting. I do agree with his
assessment that the attach points for the diagonal cabanes should be heavy duty,
permanent jobs, if not welded, but that's a different issue.
>
> Dan
>
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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Subject: | Re: Wing education, please advise.. |
On 09/06/2010 03:48 PM, Pieti Lowell wrote:
> --> Pietenpol-List message posted by: "Pieti Lowell"<Lowellcfrank@yahoo.com>
>
> Joe,
> I have flown the Pietenpol, a 4412 and the last wing is the Riblett 612 since
2004, the test that I tried from 3000 Ft, I shut the Ford to idle. glided 9 miles
to the airport, had to side slip to the runway, an never touched the throttle
until taxi time. And my wing is clipped 2 Ft.
> All on a 74 Deg. day at 850Ft. airport elevation. It is not slower, and it lifts
very well, even when I had a Werner 145 at 348 Lbs of engine up front.
> I have told this a number of times, If any one wants to check it out check at
Brodhead 2011. Only if I can still get in , and remember where the throttle
is.
That's an L/D ratio of about 15:1. Not bad. That's twice as good as a
C-152 (~8:1).
Dan
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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Subject: | Re: Wing education, please advise.. |
Gary,
For my Riblett 612 rib, I based the number of trusses on the FC-10.
I placed the front spar location as the same as the FC-10 and the rear
spar at 28-3/4", on center, from the front spar.
I made the 5 trusses between the front and rear spar the same size -
8-5/16".
The last upright I kept in the same place as the FC-10, so the ailerons
will be the same size on the Riblett 612.
One thing I'll restate here, when using the Riblett 612, build all 4
cabanes to be the same length. Why? When you place the front and rear
spars on the bottom capstrip of the ribs, this will automatically build
in a 1 degree of angle of incidence which is what should be used with
the Riblett 612 airfoil.
Dan
On 09/08/2010 09:31 AM, gtche98 wrote:
> --> Pietenpol-List message posted by: "gtche98"<garywilson213@yahoo.com>
>
> For those using the GA30-612 or GA30-613.5 airfoils, are you designing your own
trusses, or are there standard truss designs for these airfoils? In my search
of the archives, I have learned how to use the proper names of the airfoils
( :D )and I have found information that would indicate that a 613.5 may be
a good choice for me (at 225lbs). Unfortunately, I have found nothing on truss
design for using these with a piet.
>
> Thanks for any insight. I hope to start my ribs before the end of the year,
and am asking myself the same questions that Joe is asking.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=311811#311811
>
>
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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I sawyou there in the Model A. Too bad I didn't know it was you. Next
year I am planning on flying down there for a few days.
Dick N.
----- Original Message -----
From: Davis Roger
To: pietenpol-list@matronics.com
Sent: Monday, September 06, 2010 11:22 PM
Subject: Re: Pietenpol-List: Fly in
Hey Dick
I spent all day Saturday up there and most of Sunday morning. We were
driving the Model A around the flight line. They said that was the most
planes and people they ever had. To bad we didn't run into to you.
On Mon, Sep 6, 2010 at 7:53 PM, Dick N <horzpool@goldengate.net>
wrote:
Hey all
I just got back from the Blakesburg, Ia. AAA fly in. It is a great
fly in. Full of antique airplanes, all OSH rejects. I mean no radios,
short grass strip and hundreds of planes you won't see anywhere else in
the world. Just look up Antique Airplane Assn. on Google.
Dick N.
" target="_blank">http://www.matronics.com/Navigator?Pietenpol-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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Subject: | Re: Wing education, please advise.. |
Gary, et al,
When I took it upon myself to develop the truss pieces, angles, etc., I made a
solid model of the entire wing to set things up.
My GA30-613.5 Rib Drawing has truss pieces laid out so that the drag and anti-drag
wires fit entirely within the trusses without any cutting required. Some
Piets - and other wings, as well - have truss pieces cut to make room for the
drag wires, and either above or below the cut, there is a splice. Alternatively,
some builders have rib spacing of 11 to 13 inches, rather than the plan specified
dim. of 12 in. This took several extra hours of time, but the result
is clearance all around the truss pieces.
I've attached a couple of jpegs that show the layout.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311830#311830
Attachments:
http://forums.matronics.com//files/drag_layout_2_196.jpg
http://forums.matronics.com//files/drag_layout_983.jpg
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Subject: | Re: Wing education, please advise.. |
Tom,
Following your narrative with great interest; "pegs" didn't show up.
Al Lyscars
----- Original Message -----
From: tkreiner
To: pietenpol-list@matronics.com
Sent: Wednesday, September 08, 2010 12:40 PM
Subject: Pietenpol-List: Re: Wing education, please advise..
Gary, et al,
When I took it upon myself to develop the truss pieces, angles, etc.,
I made a solid model of the entire wing to set things up.
My GA30-613.5 Rib Drawing has truss pieces laid out so that the drag
and anti-drag wires fit entirely within the trusses without any cutting
required. Some Piets - and other wings, as well - have truss pieces cut
to make room for the drag wires, and either above or below the cut,
there is a splice. Alternatively, some builders have rib spacing of 11
to 13 inches, rather than the plan specified dim. of 12 in. This took
several extra hours of time, but the result is clearance all around the
truss pieces.
I've attached a couple of jpegs that show the layout.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311830#311830
Attachments:
http://forums.matronics.com//files/drag_layout_2_196.jpg
http://forums.matronics.com//files/drag_layout_983.jpg
Message 14
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Subject: | Re: Wing education, please advise.. |
Al,
Are you reading the email summary, or looking at the actual Matronics forums?
I'm able to see the jpegs large as can be...
Let me know.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311836#311836
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Subject: | need a different part |
Raymond check these out... http://www.lathes.co.uk/index.html
http://www.wswells.com they helped a bunch with my South Bend...
Jack
DSM
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of skellytown
flyer
Sent: Wednesday, September 08, 2010 8:15 AM
Subject: Pietenpol-List: need a different part
<skellflyer1@yahoo.com>
I know it's pretty far off-topic but I stopped working on my project
yesterday to help a friend do some machine work on his. we were cutting a
groove on a flange on his ancient 17" Leblond lathe and the tool
hung-instead of snapping the tool it broke the whole end off the compound
rest.I am sure hoping someone knows about an old junked lathe or someone who
salvages them we might be able to find parts from.it probably wouldn't have
to even be the same brand if the swivel base would bolt down.I'd sure like
to get back to my project. I was almost done installing the ELT and ready to
do some electrical work in the panel. thanks for any help.and do not
archive. Raymond
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311801#311801
Message 16
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Subject: | Re: Wing education, please advise.. |
Tom,
I'm plugged into the piet list to receive all mail as it's sent. Didn't
see an attachment on your post.
Al
----- Original Message -----
From: tkreiner
To: pietenpol-list@matronics.com
Sent: Wednesday, September 08, 2010 12:59 PM
Subject: Pietenpol-List: Re: Wing education, please advise..
Al,
Are you reading the email summary, or looking at the actual Matronics
forums?
I'm able to see the jpegs large as can be...
Let me know.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311836#311836
Message 17
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Subject: | Re: Wing education, please advise.. |
There should be links to the jpgs in Tom's original post.- that is how th
ey show =0Aup on email when someone originates the post via the website.=0A
=0ADO NOT ARCHIVE=0A=0A=0A=0A=0A________________________________=0AFrom: AL
AN LYSCARS <alyscars@myfairpoint.net>=0ATo: pietenpol-list@matronics.com=0A
Sent: Wed, September 8, 2010 12:33:05 PM=0ASubject: Re: Pietenpol-List: Re:
Wing education, please advise..=0A=0A=0ATom,=0A-=0AI'm plugged into the
piet list to receive all mail as it's sent.- Didn't see an =0Aattachment
on your post.=0A-=0AAl=0A----- Original Message ----- =0A>From: tkreiner
=0A>To: pietenpol-list@matronics.com =0A>Sent: Wednesday, September 08, 201
0 12:59 PM=0A>Subject: Pietenpol-List: Re: Wing education, please advise..
m>=0A>=0A>Al,=0A>=0A>Are you reading the email summary, or looking at the a
ctual Matronics forums?=0A>=0A>I'm able to see the jpegs large as can be...
=0A>=0A>Let me know.=0A>=0A>--------=0A>Tom Kreiner=0A>=0A>=0A>=0A>=0A>Read
this topic online here:=0A>=0A>http://forums.matronics.com/viewtopic.php?p
=311836#311836=0A>=0A>=0A>http://www.matnbsp;---- via the Web =0A
>href="http://forums.matronics.com">http://forums.matronics.com=0A>_p;-
------- generous bsp;-------------
------ =0A>href="http://www.matronics.com/contribution">http:
//www.matronics.com/c==================0A
===================== =0A=0A=0A
=0A
Message 18
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Subject: | Re: Wing education, please advise.. |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Message 19
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Subject: | Re: Wing education, please advise.. |
They're not actually "attached" to the email. There are links to the
jpegs below the word "Attachments:"
To save you time, here are the links that he "Attached"
http://forums.matronics.com//files/drag_layout_2_196.jpg
http://forums.matronics.com//files/drag_layout_983.jpg
Dan
On 09/08/2010 12:33 PM, ALAN LYSCARS wrote:
> Tom,
> I'm plugged into the piet list to receive all mail as it's sent. Didn't
> see an attachment on your post.
> Al
>
> ----- Original Message -----
> *From:* tkreiner <mailto:tkreiner@gmail.com>
> *To:* pietenpol-list@matronics.com
> <mailto:pietenpol-list@matronics.com>
> *Sent:* Wednesday, September 08, 2010 12:59 PM
> *Subject:* Pietenpol-List: Re: Wing education, please advise..
>
> <mailto:tkreiner@gmail.com>>
>
> Al,
>
> Are you reading the email summary, or looking at the actual
> Matronics forums?
>
> I'm able to see the jpegs large as can be...
>
> Let me know.
>
> --------
> Tom Kreiner
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=311836#311836
>
>
> http://www.matnbsp; via the Web
> href="http://forums.matronics.com">http://forums.matronics.com
> <http://www.matronics.com/Navigator?Pietenpol-List>
> _p; generous bsp;
> href="http://www.matronics.com/contribution">http://www.matronics.com/c================
>
>
> *
>
>
> *
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
Message 20
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Subject: | Re: Wing education, please advise.. |
I have many hours flying Cessna 150's, etc and just one ride in a Piet but
from that ride and hours flying Cessna's I just have to say
if you believe the Piets glide ratio better than a 150's, well we have this
bridge for sale here just South of us going to San Francisco.
Jim B.
----- Original Message -----
From: "Dan Yocum" <yocum@fnal.gov>
Sent: Wednesday, September 8, 2010 8:15:26 AM
Subject: Re: Pietenpol-List: Re: Wing education, please advise..
On 09/06/2010 03:48 PM, Pieti Lowell wrote:
> --> =C2-Pietenpol-List message posted by: "Pieti Lowell"<Lowellcfrank@y
ahoo.com>
>
> Joe,
> I have flown the Pietenpol, a 4412 and the last wing is the Riblett 612 s
ince 2004, the test that I tried from 3000 Ft, I shut the Ford to idle. gli
ded 9 miles to the airport, had to side slip to the runway, an never touche
d the throttle until taxi time. And my wing is clipped 2 Ft.
> All on a 74 Deg. day =C2-at 850Ft. airport elevation. It is not slower,
and it lifts very well, even when I had a Werner 145 at 348 Lbs of engine
up front.
> I have told this a number of times, If any one wants to check it out =C2
-check at Brodhead 2011. Only if I can still get in , and remember where
the throttle is.
That's an L/D ratio of about 15:1. =C2-Not bad. =C2-That's twice as goo
d as a
C-152 (~8:1).
Dan
--
Dan Yocum
Fermilab =C2-630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
===========
===========
MS -
===========
e -
=C2- =C2- =C2- =C2- =C2--Matt Dralle, List Admin.
===========
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Subject: | Re: Happy Labor Day |
Even with aircraft grade AN/MS/NAS hardware use only new fasteners in critical
locations. It is easy and economical to use used bulk surplus bolts but it
can be difficult to determine their previous application and how they were stressed
in that application.
Build it like your life depends on it. :)
--------
Dan Plett
N28WH
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311856#311856
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Subject: | Re: Wing education, please advise.. |
Molto bene Gracia Dan,
Al
----- Original Message -----
From: Dan Yocum
To: pietenpol-list@matronics.com
Sent: Wednesday, September 08, 2010 2:01 PM
Subject: Re: Pietenpol-List: Re: Wing education, please advise..
They're not actually "attached" to the email. There are links to the
jpegs below the word "Attachments:"
To save you time, here are the links that he "Attached"
http://forums.matronics.com//files/drag_layout_2_196.jpg
http://forums.matronics.com//files/drag_layout_983.jpg
Dan
On 09/08/2010 12:33 PM, ALAN LYSCARS wrote:
> Tom,
> I'm plugged into the piet list to receive all mail as it's sent.
Didn't
> see an attachment on your post.
> Al
>
> ----- Original Message -----
> *From:* tkreiner <mailto:tkreiner@gmail.com>
> *To:* pietenpol-list@matronics.com
> <mailto:pietenpol-list@matronics.com>
> *Sent:* Wednesday, September 08, 2010 12:59 PM
> *Subject:* Pietenpol-List: Re: Wing education, please advise..
>
<tkreiner@gmail.com
> <mailto:tkreiner@gmail.com>>
>
> Al,
>
> Are you reading the email summary, or looking at the actual
> Matronics forums?
>
> I'm able to see the jpegs large as can be...
>
> Let me know.
>
> --------
> Tom Kreiner
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=311836#311836
>
>
> http://www.matnbsp; via the Web
> href="http://forums.matronics.com">http://forums.matronics.com
> <http://www.matronics.com/Navigator?Pietenpol-List>
> _p; generous bsp;
>
href="http://www.matronics.com/contribution">http://www.matronics.com/c
================
>
>
>
> *
>
>
> *
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
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Subject: | Re: Continental engine |
No personal experience here, just an opinion.
Sounds like too much engine for this little plane.
http://en.wikipedia.org/wiki/Continental_C-125
1) The C-125 is rated at 125 HP. That's 3 times the power of a Ford A, and 2 times
that of a Continental A-65. While it would be nice to have a bit more power,
at times, this sounds a bit excessive.
2) It has a dry weight of about 290 lbs. That's a full hundred pounds more than
a C-85. Haven't yet heard any builders wish they had built their Piet a bit heavier,
but I HAVE heard builders wish they had built lighter.
There's been a bit of chatter on the List here lately about using bigger powerplants,
mostly as a means to lift bigger pilots. My opinion (and I know nobody
asked for it, but here it is anyway - feel free to ignore it) is that if you're
planning to stick a big engine in a Piet, you should probably build a bigger
Piet to go with it. Probably just scaling everything (wings and tail, too - not
just fuselage width) up by 5 or 10% would create enough room for the "full-figured"
pilot, and sticking a 100 to 125 HP motor on the nose would be a good
match. Of course, anyone thinking about making such a change would need to do
(or find someone who is qualified to do) the necessary stress calculations for
this "new" aircraft.
Bill C.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311863#311863
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Subject: | Re: Split Axel gear width |
The only change I made in the gear was to add brakes. In doing so I made my hubs
so that the center of the rim was offset by 2" outboard to allow room for the
drum. In order to allow for the wider hubs I lengthened each axle by 2".
This opened my gear tread to 60". In using 19" rims it may seem a bit tall and
narrow but it really has never presented a problem.
Don Emch
NX899DE
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311869#311869
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Subject: | Re: Wing education, please advise.. |
Dan,
You are correct on the cabane length, I left mine as they were on the drawings
and found that when I went to the 612, it required a lot of forward stick pressure
to hold straight and level,at speeds over 70.
So my questions to you guys, which would be better and or easier, shorten the the
forward or lengthen the rear cabanes to remain at 1 degree. It is more complex
than one thinks.
Pieti Lowell
Don't archive
]
For those using the GA30-612 or GA30-613.5 airfoils, are you designing your own
trusses, or are there standard truss designs for these airfoils? In my search
of the archives, I have learned how to use the proper names of the airfoils
( :D )and I have found information that would indicate that a 613.5 may be a
good choice for me (at 225lbs). Unfortunately, I have found nothing on truss
design for using these with a piet.
Thanks for any insight. I hope to start my ribs before the end of the year, and
am asking myself the same questions that Joe is asking.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311811#311811
[/quote]
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."[/quote]
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311873#311873
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Subject: | Re: Wing education, please advise.. |
With the original piet airfoil on 92GB, she glides about like a 150 with 20
degrees of flaps.- She weighs in about 735 empty.- With the Corvair We
still get 75-80mph at 4.8-5.0 gph.-
-
Shad
--- On Wed, 9/8/10, Jim Boyer <boyerjrb@comcast.net> wrote:
From: Jim Boyer <boyerjrb@comcast.net>
Subject: Re: Pietenpol-List: Re: Wing education, please advise..
#yiv798603033 p {margin:0;}
I have many hours flying Cessna 150's, etc and just one ride in a Piet but
from that ride and hours flying Cessna's I just have to say
if you believe the Piets glide ratio better than a 150's, well we have this
bridge for sale here just South of us going to San Francisco.
Jim B.
-
----- Original Message -----
From: "Dan Yocum" <yocum@fnal.gov>
Sent: Wednesday, September 8, 2010 8:15:26 AM
Subject: Re: Pietenpol-List: Re: Wing education, please advise..
On 09/06/2010 03:48 PM, Pieti Lowell wrote:
> --> -Pietenpol-List message posted by: "Pieti Lowell"<Lowellcfrank@yaho
o.com>
>
> Joe,
> I have flown the Pietenpol, a 4412 and the last wing is the Riblett 612 s
ince 2004, the test that I tried from 3000 Ft, I shut the Ford to idle. gli
ded 9 miles to the airport, had to side slip to the runway, an never touche
d the throttle until taxi time. And my wing is clipped 2 Ft.
> All on a 74 Deg. day -at 850Ft. airport elevation. It is not slower, an
d it lifts very well, even when I had a Werner 145 at 348 Lbs of engine up
front.
> I have told this a number of times, If any one wants to check it out -c
heck at Brodhead 2011. Only if I can still get in , and remember where the
throttle is.
That's an L/D ratio of about 15:1. -Not bad. -That's twice as good as a
C-152 (~8:1).
Dan
--
Dan Yocum
Fermilab -630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I flp; - - - - - - - - --Matt Dral=======
=====
=0A=0A=0A
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Subject: | Re: Wing education, please advise.. |
> So my questions to you guys, which would be better and or easier, shorten the
the forward or lengthen the rear cabanes to remain at 1 degree. It is more complex
than one thinks.
> Pieti Lowell
I vote for making the rear cabanes 1" longer, rather than making the front ones
shorter. This will give a little bit more room for the passenger who has to
squeeze himself into the front office.
But on the other hand, no additional streamline tubing material will be required
if you were to shorten the front cabanes instead... The end result will yield
the required angle of incidence whichever method you choose.
--------
Billy McCaskill
Urbana, IL
tail section almost done, starting on ribs soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311885#311885
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Subject: | Re: Continental engine |
Bill,
Don't forget to beef up the mounts and front end. I would be concerned with
the additional stresses up front...my two cents
Jack
DSM
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Bill Church
Sent: Wednesday, September 08, 2010 4:15 PM
Subject: Pietenpol-List: Re: Continental engine
No personal experience here, just an opinion.
Sounds like too much engine for this little plane.
http://en.wikipedia.org/wiki/Continental_C-125
1) The C-125 is rated at 125 HP. That's 3 times the power of a Ford A, and 2
times that of a Continental A-65. While it would be nice to have a bit more
power, at times, this sounds a bit excessive.
2) It has a dry weight of about 290 lbs. That's a full hundred pounds more
than a C-85. Haven't yet heard any builders wish they had built their Piet a
bit heavier, but I HAVE heard builders wish they had built lighter.
There's been a bit of chatter on the List here lately about using bigger
powerplants, mostly as a means to lift bigger pilots. My opinion (and I know
nobody asked for it, but here it is anyway - feel free to ignore it) is that
if you're planning to stick a big engine in a Piet, you should probably
build a bigger Piet to go with it. Probably just scaling everything (wings
and tail, too - not just fuselage width) up by 5 or 10% would create enough
room for the "full-figured" pilot, and sticking a 100 to 125 HP motor on the
nose would be a good match. Of course, anyone thinking about making such a
change would need to do (or find someone who is qualified to do) the
necessary stress calculations for this "new" aircraft.
Bill C.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311863#311863
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Subject: | Re: need a different part |
Jack thank you very much for the link. I sent an e-mail and hopefully will find
something.I can adapt about any brand if the dimensions are close.so if you think
of anyone that has some salvage machines I'd sure be glad to hear about them.sure
don't want to leave my friend with a broken machine. Raymond
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311888#311888
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Subject: | Re: Continental engine |
Agreed, Jack.
Like I said, a qualified person would need to do all the necessary stress calculations.
That would include checking the cross-sections of structural members,
as well as all fittings, AND the motor mount/attachment.
Not something to monkey around with if one doesn't really know what one is doing.
I'm sticking with the plans, and installing a C-75.
But if I was a bigger guy, I'd think about a Super Piet
Read this topic online here:
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Subject: | Re: need a different part |
Here is another company located in Fairfield, Iowa. They rebuild a lot of
machinery. http://www.usedtooling.com/home.php
On Wed, Sep 8, 2010 at 8:33 PM, skellytown flyer <skellflyer1@yahoo.com>wrote:
> skellflyer1@yahoo.com>
>
> Jack thank you very much for the link. I sent an e-mail and hopefully will
> find something.I can adapt about any brand if the dimensions are close.so if
> you think of anyone that has some salvage machines I'd sure be glad to hear
> about them.sure don't want to leave my friend with a broken machine. Raymond
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=311888#311888
>
>
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Subject: | Re: Continental engine |
Another option, provided the C-125 is serviceable and has logs, it to buy and trade
it for another engine more suitable for your Piet. Nobody said that you HAVE
TO use this engine if you buy it... kinda like the idea of never turning
down a Corvair engine core even if it's not one that's usable for converting for
flight use. It might be just the thing that someone else is looking for.
--------
Billy McCaskill
Urbana, IL
tail section almost done, starting on ribs soon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=311895#311895
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