Today's Message Index:
----------------------
1. 06:01 AM - Re: Re: paint (C N Campbell)
2. 06:12 AM - Re: Naked Piet pics 2000 vintage (echobravo4)
3. 08:37 AM - Drag cables clearance (Kringle)
4. 08:40 AM - Question Re: Flying Strut Attachment Location (Kringle)
5. 10:21 AM - Question Re: Flying Strut Attachment Location (K5YAC)
6. 10:26 AM - Re: Drag cables clearance (Jerry Dotson)
7. 12:20 PM - Re: Re: paint (Dortch, Steven D MAJ NG NG NGB)
8. 03:47 PM - Re: Question Re: Flying Strut Attachment Location (Gary Boothe)
9. 05:29 PM - Shad's Piet fly-in (shad bell)
10. 05:30 PM - Re: Re: paint (shad bell)
11. 05:39 PM - Question Re: Flying Strut Attachment Location (Kringle)
12. 06:02 PM - Re: Question Re: Flying Strut Attachment Location (Gary Boothe)
13. 06:15 PM - Slick Magneto 48-1 (Overalles)
14. 07:02 PM - Wing brace wires (Rick Schreiber)
15. 07:42 PM - Re: Wing brace wires (Greg Cardinal)
16. 07:54 PM - Re: Question Re: Flying Strut Attachment Location (Jim Boyer)
17. 08:54 PM - Question Re: Flying Strut Attachment Location (K5YAC)
18. 08:57 PM - Question Re: Flying Strut Attachment Location (tdudley@umn.edu)
19. 10:23 PM - spar problem-again (Oscar Zuniga)
Message 1
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Clif, mine will be sort of a hybrid. There are some GN-1 parts used but
it's mostly Pietenpol. I had a set of GN-1 plans borrowed from a good
friend and was thinking about building one, but found there were a lot of
rather complicated parts in the GN-1. So I ordered some Piet plans. After
they came, I decided on a few of the Grega parts -- like engine mount
attachments and rudder cable attachment points. I had started building wing
ribs using the Grega rib plan so kept going after the Piet plans came.
Didn't want to start over. The ribs are really not that different -- the
nose of the rib is a little more round. I seem to remember laying the Piet
wing plan over the Grega plan and found there was very little difference.
Chuck
----- Original Message -----
From: "Clif Dawson" <cdawson5854@shaw.ca>
Sent: Saturday, February 18, 2012 10:31 PM
Subject: Re: Pietenpol-List: Re: paint
>
> Yeah, but is yours a Piet? or a Grega. :-)
>
> But remember. Hawks came in squadrons,
> hundreds of 'em. If those Dawn Patrol guys
> can do squadrons then.........?
>
> Just think. You could have your very own
> base at Brodhead.
>
> Do formation fly by's. With smoke even. :-)
>
> Drooling yet??
>
> Clif
> do not archive
>
>> <cncampbell@windstream.net>
>>
>> Oh, Fooey. I was going to use that scheme. I'll have to think of
>> something else. C
>> Do not Archive.
>
>
>
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Subject: | Re: Naked Piet pics 2000 vintage |
That is true on the disc brake-
I'm a bike mechanic (until Monday-getting a new job!)
and straight (or radial laced) wheels can't use a disc brake,
the braking forces can pull the spokes from the hub.
Actually hubs have to specifically designed for radial lacing because
the extra tension required can also pull the flange off the hub.
Radial laced wheels- with one set of spokes anyway- are also not as
strong in side loads as cross laced wheels.
--------
Earl Brown
I may not have gone where I intended to go, but I think I have ended up where I
intended to be.
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Subject: | Drag cables clearance |
I have run the strings for the drag cables to see if I need to move any ribs for
clearance. My question is how much clearance do I need between the cables and
parts of the ribs? Will these cables flex in flight and rub on close rib uprights
or diagonals?
The plans calls for tape where the cables intersect. Is there a better product
out there to keep them from rubbing together?
Thanks
--------
Do Not Archive
John
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Tom
I am also at that point and am just going to cut away what is necessary on the
rib then reinforce it. I don't want to move it and change the length of the aileron.
--------
Do Not Archive
John
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http://forums.matronics.com/viewtopic.php?p=366613#366613
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Tom:
I also used the rib spacing as called for in the plans, but if I recall correctly,
I think I moved my fitting and other pieces of the assembly away from the
ribs in order to change the angle of the lift strut fitting (i.e. orient it in
line with the lift strut as other builders have recommended). My lift struts
will attach several inches closer to the root because of the relocation, angle
change and the fact that I lengthened the fitting by about an inch. When I
say several inches closer, I mean about 4-5". This did create a bit of a clearance
problem where the drag/anti-drag cables were concerned, which required modification
and reinforcement to several vertical or diagonal braces... I think
several people have run into this problem.
If I were to do it again, I would take the same approach, but I would probably
move the entire assembly (plywood backing, lift strut fitting, etc.) as close
as I reasonably could to the outer most rib, therefore placing the cable attach
points and lift strut geometry closer to what is called for in the plans.
The main drawbacks to how I did mine are, 1. The cables did not clear properly
and, 2. There is 4-5" more inches of wing beyond the lift strut attachment than
are in the original design.
Hope this helps!
--------
Mark Chouinard
Wings, Center Section and Empannage framed up - Working on Fuselage
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Subject: | Re: Drag cables clearance |
I used 3M 130C which is a rubber insulating tape. I wrapped each cable then wrapped
the 2 together. The stuff becomes a solid piece of rubber after a while.
On mine now you would have to cut it with a knife to get it off. For the cables
that cross on the outside I slid a piece of vacuum hose over the cables and
will put a small zip tie around them at assembly time so they slide down the cable.
do not archive
--------
Jerry Dotson
59 Daniel Johnson Rd
Baker, FL 32531
Started building NX510JD July, 2009
now covering and painting
21" wheels
Lycoming O-235 C2C
Jay Anderson CloudCars prop 76 X 44
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Message 7
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For a real speed mod try these wheel pants that Jim Bede developed:
Go in about 2.5 min to see the wheelpants
http://www.youtube.com/watch?v=ZMOyNCiMPOQ
Blue Skies,
Steve D
----- Original Message -----
From: airlion <airlion@bellsouth.net>
Subject: Re: Pietenpol-List: Re: paint
>
> hey ya'll. Has anyone tried to build the wheel pants that are in the flying and
glider 1932 magazine? Gardiner
>
> --- On Sat, 2/18/12, Clif Dawson < wrote:
>
> > From: Clif Dawson <
> > Subject: Re: Pietenpol-List: Re: paint
> > To: pietenpol-list@matronics.com
> > Date: Saturday, February 18, 2012, 10:21 PM
> > --> Pietenpol-List message posted
> > by: "Clif Dawson" <
> >
> > Ha! Now we're talkin! :-)
> > Needs wheel pants to complete the scheme though.
> >
> > Clif
> >
> >
> > > Hey Clif,
> > >
> > > How about now?
> > > (although technically, it's a GN-1, rather than a
> > Piet)
> > >
> > > Bill C.
> >
> >
> > Email Forum -
> > - MATRONICS WEB FORUMS -
> > List Contribution Web Site -
> > -Matt
> > Dralle, List Admin.
> >
> >
> >
> >
>
>
>
>
>
Message 8
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Tom,
This may not help, as I used original drawings for the placement of my lift
strut brackets. Since the lift force is up, I have not understood the
reasoning for aligning the brackets with the struts.
Gary Boothe
NX308MB
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
tdudley@umn.edu
Sent: Saturday, February 18, 2012 9:58 PM
Subject: Pietenpol-List: Question Re: Flying Strut Attachment Location
--> <tdudley@umn.edu>
Hey all,
I have a question regarding the location of attachment of the flying strut.
I am building the three piece wing and am using 3/4" solid spars. Each half
of the wing (not including the center section) is 13' 2.5" per plans. Today
I laid out the spars and slid the ribs into position.
As I read the plans, the center hole for the flying strut strap attachment
to the spars is 79" from the root of the wing half. With my ribs in place,
I measured this distance from the root of the wing. This location (79")
appears to be only 3/4" from the next (outer) rib. This doesn't seem to be
correct as it doesn't leave room for the underlying ply or the 3/4" square
compression struts that would be fit in place.
I did review westcoast piet pictures as well as some of the other personal
build sites (Textor, Markle, Chouinard) to see how others have done it, and
none of the pictures I saw have the "spacing" problem I seem to be running
into.
I spaced my ribs according to Drawing No. 5 of the "Improved" plans (from
the outer edge, 4.5, 12, 12.5, 12.5, 12.5, 12.5, 12", etc., moving towards
the root). Moving the "offending" rib doesn't seem to be the answer as it
will change the aileron length.
Did anyone else run into this problem? Or did I space my ribs incorrectly?
Any advice would be appreciated.
Thanks,
Tom
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Subject: | Shad's Piet fly-in |
Hello group, I am still trying to plan a little fly-in, I am leaning toward
s either early july or late august.- I just started a new job so planning
this is a little tougher, with no vacation yet.- It is nice to work on b
uisness jets (Lears, Gulfstreams, Chanenger, Citation etc) instead of the g
reyhound bus type regional airline aircraft.- I am still trying to coordi
nate with my friend Shad, yes another Shad, to have one fly-in here in Cent
erburg, He has hosted a couple here and they turn out to be fun for all.-
We were thinking of having a water ballon bomb drop event, and some other
just for the hell of it friendly competitions.- And after the airplanes a
re tied down we can have a few cold beverages, and possibly do a movie on t
he side of the hangar, But there will be no beating anyone with 2x4's, or l
oosining of any foe's axle nuts, as we don't have a pond here to land in.
- Corvair bashing and arguments on the best pietenpol landing gear,
engine, and covering systems is all fair game.....just make sure to sleep
with one eye open ha ha ha.
-
Shad
Message 10
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Dad and I thought about building some, but our piet is heavy enough already
.
-
Shad
--- On Sun, 2/19/12, Dortch, Steven D MAJ NG NG NGB <steven.d.dortch@us.arm
y.mil> wrote:
From: Dortch, Steven D MAJ NG NG NGB <steven.d.dortch@us.army.mil>
Subject: Re: Pietenpol-List: Re: paint
ven.d.dortch@us.army.mil>
For a real speed mod try these wheel pants that Jim Bede developed:
Go in about 2.5 min to see the wheelpants
http://www.youtube.com/watch?v=ZMOyNCiMPOQ
Blue Skies,
Steve D
----- Original Message -----
From: airlion <airlion@bellsouth.net>
Subject: Re: Pietenpol-List: Re: paint
>
> hey ya'll. Has anyone tried to build the wheel pants that are in the flyi
ng and glider 1932 magazine? Gardiner
>
> --- On Sat, 2/18/12, Clif Dawson < wrote:
>
> > From: Clif Dawson <
> > Subject: Re: Pietenpol-List: Re: paint
> > To: pietenpol-list@matronics.com
> > Date: Saturday, February 18, 2012, 10:21 PM
> > --> Pietenpol-List message posted
> > by: "Clif Dawson" <
> >
> > Ha! Now we're talkin! :-)
> > Needs wheel pants to complete the scheme though.
> >
> > Clif
> >
> >
> > > Hey Clif,
> > >
> > > How about now?
> > > (although technically, it's a GN-1, rather than a
> > Piet)
> > >
> > > Bill C.
> >
> >
> > Email Forum -
> > ---- MATRONICS WEB FORUMS -
> > List Contribution Web Site -
> > - - - - - - - -Matt
> > Dralle, List Admin.
> >
> >
> >
> >
>
>
>
>
>
le, List Admin.
Message 11
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Gary, why the chain fitting in your drag cables?
--------
Do Not Archive
John
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Message 12
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Cheaper! They're just 4130.
Gary Boothe
NX308MB
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Kringle
Sent: Sunday, February 19, 2012 5:38 PM
Subject: Pietenpol-List: Question Re: Flying Strut Attachment Location
Gary, why the chain fitting in your drag cables?
--------
Do Not Archive
John
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Subject: | Slick Magneto 48-1 |
I bought a brand new (old stock) slick 48-1 magneto that I think was for a Lycoming
0290G engine. I want to use this mag on a Ford Model A engine, I do not have
any plug wires (Harness) can anyone tell me how to convert this mag to auto
plug wires? Or should I just try and sell this mag?
Thanks
Walter
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Subject: | Wing brace wires |
I'm getting ready to instal my wings for the first time tomorrow. I was
wondering what most builders have used for the cable size for the
exterior wire x bracing on the lift struts. I know the plans call for
3/32", but I was just wondering how many went with 1/8". The only
reference I could find was from Mike Cuy who went with 1/8"
Rick Schreiber
Valparaiso IN
Message 15
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Subject: | Re: Wing brace wires |
The lift strut cables on NX18235 are 1/8" .
Greg C
----- Original Message -----
From: "Rick Schreiber" <lmforge@earthlink.net>
Sent: Sunday, February 19, 2012 9:02 PM
Subject: Pietenpol-List: Wing brace wires
> <lmforge@earthlink.net>
>
> I'm getting ready to instal my wings for the first time tomorrow. I was
> wondering what most builders have used for the cable size for the exterior
> wire x bracing on the lift struts. I know the plans call for 3/32", but I
> was just wondering how many went with 1/8". The only reference I could
> find was from Mike Cuy who went with 1/8"
>
> Rick Schreiber
> Valparaiso IN
>
>
>
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Subject: | Re: Question Re: Flying Strut Attachment Location |
Gary,
Very nice cable guides; very professional.
Jim B.
do not archive
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Subject: | Re: Question Re: Flying Strut Attachment Location |
I'm not sure if it makes a huge difference one way or another on the alignment
of the lift strut attach fittings... I got the idea from Chuck Gantzer's videos
and it seemed like a reasonable idea to me, so I did mine that way.
Not the greatest drawings, but for anyone that might wonder what we are talking
about, the first illustration shows the orientation of the fitting according
to the plans and the second illustration shows what Chuck recommends. I'm not
sure that he recommended eliminating the top cap, as I did... his suggestion
was more about correcting the angle. If I recall, the idea that there may be
a twisting motion applied to the fitting was undesirable. I've seen several examples
of both, probably not a big deal.
--------
Mark Chouinard
Wings, Center Section and Empannage framed up - Working on Fuselage
Read this topic online here:
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Attachments:
http://forums.matronics.com//files/lift_strut_fittings002_891.jpg
Message 18
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Subject: | Re: Question Re: Flying Strut Attachment Location |
I'd like to thank everyone for their reply to my question. It was somewhat reassuring
to hear others have run into a similar situation; I was afraid I might
have measured and spaced my ribs incorrectly.
I think, after hearing the responses, I will probably keep the rib in its "per
plans" position and modify its attachment such that the flying strut and its underlying
ply will fit. I think I'd rather do this than move the lift strut fitting
towards the root and shorten the length of the lift strut.
Peter, thank you for your quick response. Your website is one I've visited many
times in the past (especially when I started my build--inspirational), and I
think it is one of the best to re-visit.
John, I've been following your build on the mykitplane.com. Let me know if you
discover any hints or run into any snags in modifying your rib or placing your
lift strut.
Mark, sorry if I "called you out" by mentioning you by name in my post, but your
build-web-site has been really helpful to me. I use it to "double-check" my
work.
Gary, helpful advice and pictures as always.
Thanks again,
Tom
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Subject: | spar problem-again |
Tim wrote:
>Lastly the Piet spar design is very forgiving and already overbuilt.
While I would generously characterize the Piet spar design as 'forgiving'
since thousands of them have been built over the years with NO
catastrophic structural failures and very satisfactory flight operations
over thousands of flight hours by untold numbers of pilots,
I would not characterize the spar design as 'overbuilt'. Several people
have independently run calculations on the spars as designed, and have
found them'adequate', but not 'overbuilt'. If anyone intends to modify
the wing loading, spar design, airfoil, lift struts, or other aspects of
the Piet wing- I strongly advise that they perform a basic structural
analysis of what they intend to do and then draw their own conclusions.
The Piet fuselage, on the other hand, is widely accepted as being
'overbuilt'.
Oscar Zuniga
Air Camper NX41CC "Scout"
Flying Squirrel N2069Z "Rocket"
Medford, OR
website at http://www.flysquirrel.net/rogueairparts
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