Today's Message Index:
----------------------
1. 04:18 AM - Re: Tail Wheel Fittings (walt evans)
2. 09:07 AM - Re: 800 4 tires (KMHeide)
3. 03:03 PM - Radiator placement question, etc (Ryan Mueller)
4. 03:19 PM - Re: Radiator placement question, etc (Gene Rambo)
5. 03:28 PM - getting started again!!!!! (Gene Rambo)
6. 06:55 PM - Re: Tail Wheel Fittings (Don Emch)
7. 07:01 PM - Re: 800 4 tires (Don Emch)
8. 09:16 PM - One piece wing weight (santiago morete)
9. 11:46 PM - Re: Re: Tail Wheel Fittings (Catdesigns)
Message 1
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| Subject: | Re: Tail Wheel Fittings |
Chris,
Think the secret here is to flatten the tabs on the ends of the swing tube
so that the outboard edge surface is continious, and the back of the tubes
are flattened. I did this and ran the swingarm inside of the brackets, and
there is no binding.
You might have to fine tune bend the end of the finished tube ends so that
the hinge surfaces are as parallel as possible.
walt evans
NX140DL
"Put your wealth in knowledge, and no one can ever take it from you"
Ben Franklin
----- Original Message -----
From: "Catdesigns" <catdesigns@comcast.net>
Sent: Thursday, August 17, 2006 2:14 AM
Subject: Pietenpol-List: Tail Wheel Fittings
> On the stock tail wheel fittings, the tab that projects below the
> fuselage,
> do they get a slight twist so the hinge bolts are perpendicular to the
> swing
> axis? this would make the tab parallel to the long axis of the plane. See
> Attached Picture
>
> Without twisting, the a arm does not swing freely and the tabs flex as it
> swings. The plans for the A-arm suggest his but there are no notes on the
> plans indicating to twist the fitting.
>
> So do I put a twist in it? or is there something wrong with my setup.
>
> Chris Tracy
> Sacramento, Ca
>
Message 2
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go to the store call Fleet/farm. they have a great selection of tires and wheels.
Skip-Cinda Gadd <csfog@earthlink.net> wrote: Does anyone have a good source
for 800 4 tires and tubes. I need a set for the GN-1and could use non aviation
tires and tubes if I could find any. All I can find is Goodyears for about
$700.00, ouch!
Skip
---------------------------------
Message 3
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| Subject: | Radiator placement question, etc |
A rainy good afternoon from N. IL to you all,
I am interested in building a Piet, and will get started as soon as meager fundage
allows...in the meantime I am rolling options around in my head as to some
of the things I would choose for my aircraft. Powerplant, for one; it would either
be A powered, or Corvair powered. The Corvair seems like a fairly economical
way to have more power, and possibly a more practical airplane, if one is
looking at cross country flight, etc. However, I love old airplanes, and that
is part of the draw of a Piet for me, and they just sound so much more sweeter
going "pocketa pocketa" through the air, and I just like the thought of having
an A mill up front swinging a big chunk o' wood. It's just....right. And if
I was worried about cross country flight, I could go build an RV or some such
thing and be done with it. So, anywho....it brings me to my first question.
Looking at the cowling on the A powered Piets, there is the sharp slope down from
the front of the cowl to the firewall....has anyone given thought to mounting
the radiator in the front cowl area and fairing it in, ala the Bird Model A
biplanes from the late 20's/early 30's. I would think that there would be room
for it, but I have never seen mention of such a thing in my reading. I would
venture to guess that there is some obvious reason I am not seeing that keeps
that from being a practical idea. As long as Piet's have been around, and as
many years as people have been building/experimenting with them, I would think
you would see it around if it was practical. Anyways, I wanted to float that
out there, and see what responses it may generate.
Another question, this time regarding front cockpit access doors. My mother has
had both hips replaced, so the thought came to mind that when the time comes
that my dream will take flight and I would want to give everyone rides in it,
it would be rather difficult for her to maneouvre into the front cockpit. This
is based on what I have read/how it appears, as I personally have never been
inside a Piet. I've been to Brodhead a couple times, and examined up close, but
I've not clambered into one yet. Occasionally I run across a picture of a Piet
that has a little fold down access door in the side of the fuselage. However,
based on my observations, those would be in the minority. Apart from the desire
to keep the design original, are there any other reasons to avoid adding
a cockpit door? I have never viewed the fuselage structure off a Piet with a door,
so I have not seen exactly how it would be done, but I would assume you would
need to sort of re-engineer the truss in that
area, since the longeron is "interrupted" by the opening for the door. Is that
something to be concerned about (thus the reason it doesn't appear to me to be
done that often)?
I would want to keep the design as original as possible, but that would be one
consideration to ease of entry that I wouldn't mind making.
Let's see...what other questions had been on my mind. With the engine (assuming
usage of a Model A engine), would it be better/is it possible to get more modern
"normal" shell type bearings for the engine, instead of babbited bearings?
Would that improve reliability/durability? Does there appear to be much of a
cause for concern about overstressing the engine if one was to run an aluminum
6:1 head? Would the decrease in weight and possible increase in performance be
worth it?
I think that's about all for now. Have a good day everyone,
Ryan
rmueller23@yahoo.com
Message 4
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| Subject: | Re: Radiator placement question, etc |
BHP did design a radiator installation like you describe, it is on the
scout and has been put on several Air Campers. I don't know how well it
worked, but should be OK. There are plans out there to put a door on
the left of the front cockpit, but I would not suggest that it would,
even then, be easy for someone with hip replacement to enter.
The A questions are too numerous, but have been addressed . . .look in
the archives.
Gene
----- Original Message -----
From: Ryan Mueller<mailto:rmueller23@yahoo.com>
To: pietenpol-list@matronics.com<mailto:pietenpol-list@matronics.com>
Sent: Friday, August 18, 2006 6:01 PM
Subject: Pietenpol-List: Radiator placement question, etc
A rainy good afternoon from N. IL to you all,
I am interested in building a Piet, and will get started as soon as
meager fundage allows...in the meantime I am rolling options around in
my head as to some of the things I would choose for my aircraft.
Powerplant, for one; it would either be A powered, or Corvair powered.
The Corvair seems like a fairly economical way to have more power, and
possibly a more practical airplane, if one is looking at cross country
flight, etc. However, I love old airplanes, and that is part of the draw
of a Piet for me, and they just sound so much more sweeter going
"pocketa pocketa" through the air, and I just like the thought of having
an A mill up front swinging a big chunk o' wood. It's just....right. And
if I was worried about cross country flight, I could go build an RV or
some such thing and be done with it. So, anywho....it brings me to my
first question.
Looking at the cowling on the A powered Piets, there is the sharp
slope down from the front of the cowl to the firewall....has anyone
given thought to mounting the radiator in the front cowl area and
fairing it in, ala the Bird Model A biplanes from the late 20's/early
30's. I would think that there would be room for it, but I have never
seen mention of such a thing in my reading. I would venture to guess
that there is some obvious reason I am not seeing that keeps that from
being a practical idea. As long as Piet's have been around, and as many
years as people have been building/experimenting with them, I would
think you would see it around if it was practical. Anyways, I wanted to
float that out there, and see what responses it may generate.
Another question, this time regarding front cockpit access doors. My
mother has had both hips replaced, so the thought came to mind that when
the time comes that my dream will take flight and I would want to give
everyone rides in it, it would be rather difficult for her to maneouvre
into the front cockpit. This is based on what I have read/how it
appears, as I personally have never been inside a Piet. I've been to
Brodhead a couple times, and examined up close, but I've not clambered
into one yet. Occasionally I run across a picture of a Piet that has a
little fold down access door in the side of the fuselage. However, based
on my observations, those would be in the minority. Apart from the
desire to keep the design original, are there any other reasons to avoid
adding a cockpit door? I have never viewed the fuselage structure off a
Piet with a door, so I have not seen exactly how it would be done, but I
would assume you would need to sort of re-engineer the truss in that
area, since the longeron is "interrupted" by the opening for the door.
Is that something to be concerned about (thus the reason it doesn't
appear to me to be done that often)?
I would want to keep the design as original as possible, but that
would be one consideration to ease of entry that I wouldn't mind making.
Let's see...what other questions had been on my mind. With the engine
(assuming usage of a Model A engine), would it be better/is it possible
to get more modern "normal" shell type bearings for the engine, instead
of babbited bearings? Would that improve reliability/durability? Does
there appear to be much of a cause for concern about overstressing the
engine if one was to run an aluminum 6:1 head? Would the decrease in
weight and possible increase in performance be worth it?
I think that's about all for now. Have a good day everyone,
Ryan
rmueller23@yahoo.com
http://www.matronics.com/Navigator?Pietenpol-List<http://www.matronics.co
m/Navigator?Pietenpol-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 5
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| Subject: | getting started again!!!!! |
OK, after a two year delay (the little guy is two now) I am starting to
get back into my Piet. My major hurdle always was, and is, the gear. I
am building the "Jenny" style wood gear and fitting it to the '33
"improved" plans fuselage. We have rehashed this gear over and over on
the list, but I am just trying to get my head back into exactly what the
problems are that are troubling me. Let me start with the first one
that has hit me right away.
Please forgive me if this has been over-discussed, I do not recall
seeing it . . . Let's start with the proposition that the spar spacing
is 28 3/4 inches on center. The Hoopman and F&G plans clearly show the
gear fittings, and therefore the strut fittings, being on a 28 3/4
center, the same as the wing spar. Just makes sense, right? The struts
are parallel.
On the '33 plans, though, while the side trusses of the fuselage meet at
two points 28 3/4 apart, the location of the ash cross pieces, and
therefore the gear/strut fittings, are 27 1/2 inch apart. The drawing
clearly shows the strut fittings 27 1/2 inches on center.
SO, is this a drawing error? Are the struts actually closer together at
the bottom on '33 fuselages?? Does it really matter????
HELP!!!
Gene
Message 6
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| Subject: | Re: Tail Wheel Fittings |
--> Pietenpol-List message posted by: "Don Emch" <EmchAir@aol.com>
Chris,
I did just as Walt says and then I added a rubber washer between the arm and the
fuselage fitting. I used an AN bolt with a castle nut and cotter key. That
setup allows me to tighten or loosen the attachment. Like Chuck says it probably
sees less then 10 deg movement. I just left mine straight.
Don E.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=55649#55649
Message 7
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--> Pietenpol-List message posted by: "Don Emch" <EmchAir@aol.com>
Skip,
Although they aren't real easy to find I'm pretty sure I recently saw a dealer
in Trade-a-Plane that had them at a much better price. Can't remember who though.
I'd keep an eye on ebay too. I've seen serviceable ones go on there at
a decent price. Heck at that price you might be able to find some 800-6 tires
and wheels, maybe even 850-6!
Don E.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=55653#55653
Message 8
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| Subject: | One piece wing weight |
Thank you Chuck. Seems that my final wing weight will be above yours. I had built
a galvanized gas tank (thanks to Larry Williams's sketches) but I discarded
it because of the weight and will build an aluminum one. I plan to cover the
entire airframe with 1.8 oz fabric ( borrowed the idea from Mike Cuy) with
minimum dope and paint. Thanks again.
Saludos
Santiago
---------------------------------
Pregunt. Respond. Descubr.
Todo lo que queras saber, y lo que ni imaginabas,
est en Yahoo! Respuestas (Beta).
Probalo ya!
Message 9
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| Subject: | Re: Tail Wheel Fittings |
--> Pietenpol-List message posted by: "Catdesigns" <catdesigns@comcast.net>
Thanks All,
I flattened out the tubing a little more and slightly bent in the flats to
better line up with the fitting tabs. I did not twist the tabs as I had
originally planned. It works much better now. I'm glad I didn't go with my
first thought.
Thanks
Chris Tracy
Sacramento, Ca
www.WestCoastPiet.com
----- Original Message -----
From: "Don Emch" <EmchAir@aol.com>
Sent: Friday, August 18, 2006 6:55 PM
Subject: Pietenpol-List: Re: Tail Wheel Fittings
> --> Pietenpol-List message posted by: "Don Emch" <EmchAir@aol.com>
>
> Chris,
> I did just as Walt says and then I added a rubber washer between the arm
> and the fuselage fitting. I used an AN bolt with a castle nut and cotter
> key. That setup allows me to tighten or loosen the attachment. Like
> Chuck says it probably sees less then 10 deg movement. I just left mine
> straight.
> Don E.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=55649#55649
>
>
>
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