Today's Message Index:
----------------------
1. 03:12 AM - Re: Dick's new Piet (Tim White)
2. 03:52 AM - Piet-N-Pup (Jeff Boatright)
3. 08:03 AM - Re: Piet-N-Pup (H RULE)
4. 08:40 AM - Re: anybody near Portland? (Billy McCaskill)
5. 09:29 AM - engine run up (Douwe Blumberg)
6. 09:53 AM - Re: engine run up (helspersew@aol.com)
7. 09:59 AM - Re: Sky Scout.."Glue" question? (Michael Silvius)
8. 10:02 AM - Re: engine run up (Jim Markle)
9. 10:40 AM - Tailwheel & shimmy (santiago morete)
10. 10:52 AM - engine run up (santiago morete)
11. 11:26 AM - International Piet (Bill Church)
12. 11:26 AM - Re: Tailwheel & shimmy (Gary Boothe)
13. 11:48 AM - Re: International Piet (Pastor Mike Townsley)
14. 12:02 PM - Re: Tailwheel & shimmy (helspersew@aol.com)
15. 01:19 PM - Re: Tailwheel & shimmy (Bill Church)
16. 01:25 PM - Re: Tailwheel & shimmy (Jack Phillips)
17. 01:40 PM - Re: Tailwheel & shimmy (Gary Boothe)
18. 02:03 PM - Re: Tailwheel & shimmy (Jack Phillips)
19. 02:27 PM - Re: Re: Tailwheel & shimmy (helspersew@aol.com)
20. 02:42 PM - Re: Piet-N-Pup (Jeff Boatright)
21. 03:27 PM - Re: anybody near Portland? (Ken Howe)
22. 03:53 PM - Re: engine run up (Pieti Lowell)
23. 03:53 PM - Tailwheel & shimmy (santiago morete)
24. 03:58 PM - Re: Re: Tailwheel & shimmy (Jack Phillips)
25. 04:02 PM - Re: Sky Scout..."Glue"question? (gcardinal)
26. 04:02 PM - Re: Sky Scout..."Glue"question? (gcardinal)
27. 04:05 PM - Re: anybody near Portland? (Kip and Beth Gardner)
28. 06:49 PM - Re: Re: Tailwheel & shimmy (wayne & Cathy Boniface)
29. 07:12 PM - Re: Re: Tailwheel & shimmy (Gary Boothe)
30. 09:59 PM - Re: Re: Tailwheel & shimmy (Richard Schreiber)
Message 1
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| Subject: | Re: Dick's new Piet |
http://www.spacecoast-plating.com/
----- Original Message -----
From: "Dick N" <horzpool@goldengate.net>
Sent: Friday, February 26, 2010 10:16 PM
Subject: Re: Pietenpol-List: Dick's new Piet
>
> Thanks for the suggestions, Jack and Jim. I'll check them out.
> Dick N.
> ----- Original Message -----
> From: "Jack Phillips" <pietflyr@bellsouth.net>
> To: <pietenpol-list@matronics.com>
> Sent: Friday, February 26, 2010 3:21 PM
> Subject: RE: Pietenpol-List: Dick's new Piet
>
>
>> <pietflyr@bellsouth.net>
>>
>> I had the rocker box covers on my Pietenpol chrome plated by a place that
>> had an exhibit at Sun'n' Fun several years ago: Spacecoast Plating.
>> Maybe
>> they'll be at SNF this year and you can talk with them then, Dick. They
>> did
>> a good job on my rocker box covers and they were pretty inexpensive, I
>> thought. I paid $40 for all four.
>>
>> Jack Phillips
>> NX899JP
>> Raleigh, NC
>>
>> -----Original Message-----
>> From: owner-pietenpol-list-server@matronics.com
>> [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jim
>> Markle
>> Sent: Thursday, February 25, 2010 1:02 PM
>> To: pietenpol-list@matronics.com
>> Subject: Re: Pietenpol-List: Dick's new Piet
>>
>> <jim_markle@mindspring.com>
>>
>> Chroming for your struts? Many years ago I had a Harley with a lot of
>> custom plating (chrome and gold) that was done at a place in Padukah KY,
>> Brown's Plating I think. They've been around forever.
>>
>> Might be worth checking on for a source of your plating...I think I
>> actually
>> saw the place mentioned somewhere not long ago so their probably still
>> around....
>>
>>
>> -----Original Message-----
>>>From: Dick N <horzpool@goldengate.net>
>>>Sent: Feb 25, 2010 11:28 AM
>>>To: pietenpol-list@matronics.com
>>>Subject: Re: Pietenpol-List: Dick's new Piet
>>>
>>>
>>>Hi Douwe
>>>Check out Mike Cuys post with the Harley. I'm checking on where to have
>> all
>>>of the chroming done for the struts and all at this point.
>>>Dick
>>>----- Original Message -----
>>>From: "Douwe Blumberg" <douweblumberg@earthlink.net>
>>>To: "pietenpolgroup" <pietenpol-list@matronics.com>
>>>Sent: Thursday, February 25, 2010 8:54 AM
>>>Subject: Pietenpol-List: Dick's new Piet
>>>
>>>
>>>> <douweblumberg@earthlink.net>
>>>>
>>>> So Dick,
>>>>
>>>> What engine are you using? is this an aircamper or a scout? I'm
>>>> always
>>>> interested in different engines.
>>>>
>>>> Douwe
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 2
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Warning! Raw video - no editing - this video is only for those who
really can't get enough of Pietenpols, Pups, or sport aviation in
general. No music, no Easter eggs.
http://www.youtube.com/watch?v=VqAbnyA99Qs
--
Jeff Boatright
"Now let's think about this..."
Message 3
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I own both a GN-1 Aircamper and an N3Pup but the pup is not very good with
the 1/2 VW in it at only 28hp so I'm switching the engine back to the 503 r
otax at 52 hp with reduction drive.The only thing-I can get out of the pu
p right now is a good fast taxi and on a good day just get airborn.Kinda sc
ary actually.If I had one of those Scott Cassler 45hp on it that would make
all the difference in the world but can't afford one at this time.I was ab
lr to pick up a 503 at $1800 US but the 45hp 1/2 VW comes in at $6000-CND
to- my door.I don't know what the guy in the video is using but it sound
s stronger than mine.I am sitting at 210 lbs right now.If I was at the 145l
bs I should be at then the 1/2VW I have now would probably be OK.I know,I k
now,it would be cheaper to loose the weight than change the engine.Very har
d to loose it at 63 years old.--=0A=0A=0A=0A=0A________________________
________=0AFrom: Jeff Boatright <jboatri@emory.edu>=0ATo: pietenpol-list@ma
tronics.com=0ASent: Sat, February 27, 2010 6:52:13 AM=0ASubject: Pietenpol-
<jboatri@emory.edu>=0A=0AWarning! Raw video - no editing - this video is on
ly for those who really can't get enough of Pietenpols, Pups, or sport avia
tion in general. No music, no Easter eggs.- =0Ahttp://www.youtube.com/wat
ch?v=VqAbnyA99Qs=0A=0A-- =0AJeff Boatright=0A"Now let's think about this.
=================
Message 4
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| Subject: | Re: anybody near Portland? |
[quote="Rick Schreiber"]Another worthwhile stop is Pearson Field across the river
from Portland International. They have a great museum and one of the oldest
airports in the country. The first aircraft landing here was in 1911!
You mean that Wilbur and Orville never landed the Wright Flyer until they flew
it to Portland? I didn't think the fuel tank on that thing was big enough for
a cross-country flight From Kill Devil Hill to Portland. And to think that it
remained airborne for eight years continuously! Wow! ;)
Do NOT archive!
--------
Billy McCaskill
Urbana, IL
tailfeathers almost done
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288495#288495
Message 5
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Brought my wings to the airstrip but left the fuse in my workshop to do some
engine runups at home, close by my tools. The engine has 14hrs in the test
stand, but this was the first time running in the fuselage. With one inch
of snow on the ground, and temps in the high twenties, it was a bit nippy,
but she started right off and purred along beautifully. Am trying an
Aerocarb, and have about three hours on it. So far I really like it. Seems
like the sticky slide bugs and fuel leaking have been worked out, but we'll
see. With this type of carb, one does have to be careful about switching
off the fuel or it'll sit there and drip eventually. However, having two
moving parts and no venturi or butterfly valve to ice up are big plusses in
my book. But, we'll see... so far, so good. If it doesn't work out, I'll
go back to the weber which has been bomb-proof.
Hopefully will get the fuse to the airport now in a couple of weeks and put
her together for the final time, do some ground runs, debugging and get Mr.
Frank down here to do the honors as soon as the weather cooporates.
Fun stuff!
Douwe
Message 6
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| Subject: | Re: engine run up |
Hi Douwe,
Great news. If you want to send me some pics and I will make sure they get
posted to this list. Hopefully I will be able to fly into Brodhead with
you in July. Can't wait.
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Douwe Blumberg <douweblumberg@earthlink.net>
Sent: Sat, Feb 27, 2010 11:33 am
Subject: Pietenpol-List: engine run up
hlink.net>
Brought my wings to the airstrip but left the fuse in my workshop to do so
me
ngine runups at home, close by my tools. The engine has 14hrs in the test
tand, but this was the first time running in the fuselage. With one inch
f snow on the ground, and temps in the high twenties, it was a bit nippy,
ut she started right off and purred along beautifully. Am trying an
erocarb, and have about three hours on it. So far I really like it. Seem
s
ike the sticky slide bugs and fuel leaking have been worked out, but we'll
ee. With this type of carb, one does have to be careful about switching
ff the fuel or it'll sit there and drip eventually. However, having two
oving parts and no venturi or butterfly valve to ice up are big plusses in
y book. But, we'll see... so far, so good. If it doesn't work out, I'll
o back to the weber which has been bomb-proof.
Hopefully will get the fuse to the airport now in a couple of weeks and pu
t
er together for the final time, do some ground runs, debugging and get Mr.
rank down here to do the honors as soon as the weather cooporates.
Fun stuff!
Douwe
-========================
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-= Use the Matronics List Features Navigator to browse
-= the many List utilities such as List Un/Subscription,
-= Archive Search & Download, 7-Day Browse, Chat, FAQ,
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Message 7
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| Subject: | Re: Sky Scout.."Glue" question? |
For what it is worth some RAG Wing aircraft builders have used Excel
glues with some success:
http://www.excelglue.com/
under the fuselage chapter the results can be viewed
http://homepages.paradise.net.nz/wilsonnz/
note
http://homepages.paradise.net.nz/wilsonnz/Miscellaneous/notes1.jpg
Michael in Maine
----- Original Message -----
From: Ray Krause
The discussion on laminating struts has touched on glue/adhesives to
be used, or that could be used. When building the aircraft, using the
two part epoxy adhesives (T-88) is a little cumbersome. What about
single stage poly urethane adhesives/glues, i.e. Gorilla Glue, Titebond?
Has anyone used these, with what results? There are mixed reviews on
this subject: Fine Woodworking (August '07) and
woodgears.ca/joint_strength/glue.html . I am sure there are other
reports both supportive and contradictive.
I have tested Gorilla Glue with aircraft spruce and plywood, spruce
long grain to long grain and butt to long grain and cross grain: with
proper usage, the wood breaks before the glue bond. That is, wood
grains come off with the break.
Hope this does not cause any consternation!
Ray Krause
Message 8
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| Subject: | Re: engine run up |
This is VERY exciting...
-----Original Message-----
>From: Douwe Blumberg <douweblumberg@earthlink.net>
>Sent: Feb 27, 2010 11:33 AM
>To: pietenpolgroup <pietenpol-list@matronics.com>
>Subject: Pietenpol-List: engine run up
>
>
>Brought my wings to the airstrip but left the fuse in my workshop to do some
>engine runups at home, close by my tools. The engine has 14hrs in the test
>stand, but this was the first time running in the fuselage. With one inch
>of snow on the ground, and temps in the high twenties, it was a bit nippy,
>but she started right off and purred along beautifully. Am trying an
>Aerocarb, and have about three hours on it. So far I really like it. Seems
>like the sticky slide bugs and fuel leaking have been worked out, but we'll
>see. With this type of carb, one does have to be careful about switching
>off the fuel or it'll sit there and drip eventually. However, having two
>moving parts and no venturi or butterfly valve to ice up are big plusses in
>my book. But, we'll see... so far, so good. If it doesn't work out, I'll
>go back to the weber which has been bomb-proof.
>
>Hopefully will get the fuse to the airport now in a couple of weeks and put
>her together for the final time, do some ground runs, debugging and get Mr.
>Frank down here to do the honors as soon as the weather cooporates.
>
>Fun stuff!
>
>Douwe
>
>
Message 9
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| Subject: | Tailwheel & shimmy |
Hi Gary,
-
That's beautiful! I can see you beefed up the tubes at the end, but, have y
ou considered adding a tube between the two arms? like an "A", to help with
the torsional loads.- I'm not flying yet, but I can see that most people
with this setup and a steerable tail wheel had to do that.
Dan H.- maybe you-should to consider doing the same thing, now that you
have an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
-
Santiago=0A=0A=0A Yahoo! Cocina=0A=0AEncontra las mejores recetas con
Yahoo! Cocina.=0A=0A=0Ahttp://ar.mujer.yahoo.com/cocina/
Message 10
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Hi Douwe,
That's wonderful, congratulations!
Saludos
-
Santiago=0A=0A=0A Yahoo! Cocina=0A=0AEncontra las mejores recetas con
Yahoo! Cocina.=0A=0A=0Ahttp://ar.mujer.yahoo.com/cocina/
Message 11
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| Subject: | International Piet |
Just stumbled across this shot of a "Pietenpol Air Camper" from the Czech Republic.
I think it more likely started life as a GN-1.
http://www.airliners.net/photo/Pietenpol-Aircamper/1638829/L/
Funny how some "personal touches" can drastically change the look of this plane.
Some of the "special features" this plane has include V-struts, a dorsal fin,
squat landing gear, and a clunky cowl. Also, the cockpits look to be stretched.
Put these features all together, and the result is YUCK. Well, that's just
my opinion. There are probably some people out there that think this thing looks
good. I think that planes like this one provide a good argument for the recommendation
to "stick to the plans".
BC
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288523#288523
Message 12
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| Subject: | Tailwheel & shimmy |
Thanks, Santiago! I have noticed that extra tube on some pictures, but don't
really understand the geometry that would require it, unless it may take
some load off the brackets, bolted to the fuselage.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of santiago
morete
Sent: Saturday, February 27, 2010 10:40 AM
Subject: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
That's beautiful! I can see you beefed up the tubes at the end, but, have
you considered adding a tube between the two arms? like an "A", to help with
the torsional loads. I'm not flying yet, but I can see that most people
with this setup and a steerable tail wheel had to do that.
Dan H. maybe you should to consider doing the same thing, now that you have
an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
Santiago
_____
Encontra las mejores recetas con Yahoo! Cocina.
http://ar.mujer.yahoo.com/cocina/
Message 13
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| Subject: | Re: International Piet |
Bill,
I am with you on that opinion. I know others may differ.
Mike Townsley
On Sun, Feb 28, 2010 at 3:26 AM, Bill Church <billspiet@sympatico.ca> wrote:
> billspiet@sympatico.ca>
>
> Just stumbled across this shot of a "Pietenpol Air Camper" from the Czech
> Republic. I think it more likely started life as a GN-1.
>
> http://www.airliners.net/photo/Pietenpol-Aircamper/1638829/L/
>
> Funny how some "personal touches" can drastically change the look of this
> plane. Some of the "special features" this plane has include V-struts, a
> dorsal fin, squat landing gear, and a clunky cowl. Also, the cockpits look
> to be stretched. Put these features all together, and the result is YUCK.
> Well, that's just my opinion. There are probably some people out there that
> think this thing looks good. I think that planes like this one provide a
> good argument for the recommendation to "stick to the plans".
>
> BC
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=288523#288523
>
>
Message 14
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| Subject: | Re: Tailwheel & shimmy |
Hi Gary,
I have wondered the same thing. Is that extra tube really necessary? The
fuselage/bracket attach points are only a couple inches away, and it woul
d seem to me that that tube would be redundant. Wish some engineering type
s would chime in on this (Bill?, EH?) Santiago, what do you mean "torsion
al"loads? Twisting?
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Gary Boothe <gboothe5@comcast.net>
Sent: Sat, Feb 27, 2010 1:19 pm
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Thanks, Santiago! I have noticed that extra tube on some pictures, but don
=99t really understand the geometry that would require it, unless it
may take some load off the brackets, bolted to the fuselage.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down)
From: owner-pietenpol-list-server@matronics.com [mailto:owner-pietenpol-li
st-server@matronics.com] On Behalf Of santiago morete
Sent: Saturday, February 27, 2010 10:40 AM
Subject: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
That's beautiful! I can see you beefed up the tubes at the end, but, have
you considered adding a tube between the two arms? like an "A", to help
with the torsional loads. I'm not flying yet, but I can see that most pe
ople with this setup and a steerable tail wheel had to do that.
Dan H. maybe you should to consider doing the same thing, now that you ha
ve an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
Santiago
Encontra las mejores recetas con Yahoo! Cocina.
http://ar.mujer.yahoo.com/cocina/
http://www.matronics.com/Navigator?Pietenpol-List
http://forums.matronics.com
http://www.matronics.com/contribution
========================
===========
-= - The Pietenpol-List Email Forum -
-= Use the Matronics List Features Navigator to browse
-= the many List utilities such as List Un/Subscription,
-= Archive Search & Download, 7-Day Browse, Chat, FAQ,
-= Photoshare, and much much more:
-
-= --> http://www.matronics.com/Navigator?Pietenpol-List
-
-========================
========================
===========
-= - MATRONICS WEB FORUMS -
-= Same great content also available via the Web Forums!
-
-= --> http://forums.matronics.com
-
-========================
========================
===========
-= - List Contribution Web Site -
-= Thank you for your generous support!
-= -Matt Dralle, List Admin.
-= --> http://www.matronics.com/contribution
-========================
========================
===========
Message 15
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| Subject: | Re: Tailwheel & shimmy |
Keep wishing, Dan!
Oh, all right... I'll "chime in".
I can see how one could think that such a cross member wouldn't be necessary, since
the forward arms are connected to the fuselage - but those connections at
the fuselage can't really resist twisting. And the tailwheel assembly will definitely
be imparting twisting forces on the fuselage brackets. The geometry of
a tailwheel is different from the skid, in that it's contact point with the
ground is several inches away from the steel frame, whereas the skid is immediately
below the frame. This arrangement provides what is called a moment arm (engineering
term), and the result is that when the tail of the plane is subjected
to side loads, the tailwheel will try to twist the steel frame. If the tubes
are not tied together (other than back where the tailwheel is attached), the
individual tubes will twist. By welding a crossmember between the two arms,
the arms are no longer able to twist individually, and the twisting forces will
be transferred directly to the fuselage rather than those tubes and the mounting
brackets. Attached is a shot I found that shows the assembly that Ken Perkins
makes, and the cross member can clearly be seen.
This cross member won't eliminate the twisting of the steel frame, since it's basically
only two dimensional, but it will definitely be better than not having
the cross member.
Hope this helps.
Bill C. (engineering type)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288532#288532
Attachments:
http://forums.matronics.com//files/kp_tailwheel_111.jpg
Message 16
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| Subject: | Tailwheel & shimmy |
Having built my tailwheel first without the cross tube and finding that
tailwheel steering inputs went mostly into twisting the tailwheel arm rather
than turning the wheel, I rebuilt it and added the cross tube making the
ailwheel arm into an "A" shape. That works well. Here is the original one:
And here is the improved version:
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
helspersew@aol.com
Sent: Saturday, February 27, 2010 3:01 PM
Subject: Re: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
I have wondered the same thing. Is that extra tube really necessary? The
fuselage/bracket attach points are only a couple inches away, and it would
seem to me that that tube would be redundant. Wish some engineering types
would chime in on this (Bill?, EH?) Santiago, what do you mean
"torsional"loads? Twisting?
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Gary Boothe <gboothe5@comcast.net>
Sent: Sat, Feb 27, 2010 1:19 pm
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Thanks, Santiago! I have noticed that extra tube on some pictures, but don't
really understand the geometry that would require it, unless it may take
some load off the brackets, bolted to the fuselage.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
_____
From: <mailto:owner-pietenpol-list-server@matronics.com>
owner-pietenpol-list-server@matronics.com [
<mailto:owner-pietenpol-list-server@matronics.com?>
mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of santiago
morete
Sent: Saturday, February 27, 2010 10:40 AM
Subject: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
That's beautiful! I can see you beefed up the tubes at the end, but, have
you considered adding a tube between the two arms? like an "A", to help with
the torsional loads. I'm not flying yet, but I can see that most people
with this setup and a steerable tail wheel had to do that.
Dan H. maybe you should to consider doing the same thing, now that you have
an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
Santiago
_____
Encontra las mejores recetas con Yahoo! Cocina.
<http://ar.mujer.yahoo.com/cocina/> http://ar.mujer.yahoo.com/cocina/
<http://www.matronics.com/Navigator?Pietenpol-List>
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Message 17
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| Subject: | Tailwheel & shimmy |
Bill / Jack,
Asked and answered! Thanks!!
Jack,
Judging by the first pic, I can see that you take a 'surgical' approach to
your work.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
Do not archive
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jack
Phillips
Sent: Saturday, February 27, 2010 1:23 PM
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Having built my tailwheel first without the cross tube and finding that
tailwheel steering inputs went mostly into twisting the tailwheel arm rather
than turning the wheel, I rebuilt it and added the cross tube making the
ailwheel arm into an "A" shape. That works well. Here is the original one:
And here is the improved version:
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
helspersew@aol.com
Sent: Saturday, February 27, 2010 3:01 PM
Subject: Re: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
I have wondered the same thing. Is that extra tube really necessary? The
fuselage/bracket attach points are only a couple inches away, and it would
seem to me that that tube would be redundant. Wish some engineering types
would chime in on this (Bill?, EH?) Santiago, what do you mean
"torsional"loads? Twisting?
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Gary Boothe <gboothe5@comcast.net>
Sent: Sat, Feb 27, 2010 1:19 pm
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Thanks, Santiago! I have noticed that extra tube on some pictures, but don't
really understand the geometry that would require it, unless it may take
some load off the brackets, bolted to the fuselage.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
_____
From: <mailto:owner-pietenpol-list-server@matronics.com>
owner-pietenpol-list-server@matronics.com [
<mailto:owner-pietenpol-list-server@matronics.com?>
mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of santiago
morete
Sent: Saturday, February 27, 2010 10:40 AM
Subject: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
That's beautiful! I can see you beefed up the tubes at the end, but, have
you considered adding a tube between the two arms? like an "A", to help with
the torsional loads. I'm not flying yet, but I can see that most people
with this setup and a steerable tail wheel had to do that.
Dan H. maybe you should to consider doing the same thing, now that you have
an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
Santiago
_____
Encontra las mejores recetas con Yahoo! Cocina.
<http://ar.mujer.yahoo.com/cocina/> http://ar.mujer.yahoo.com/cocina/
<http://www.matronics.com/Navigator?Pietenpol-List>
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===================================
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Message 18
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| Subject: | Tailwheel & shimmy |
Hardly! That was the rebuild after a forced landing. The fabric you see is
what is being used to recover the area where I had to repair a cracked lower
longeron.
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Gary Boothe
Sent: Saturday, February 27, 2010 4:40 PM
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Bill / Jack,
Asked and answered! Thanks!!
Jack,
Judging by the first pic, I can see that you take a 'surgical' approach to
your work.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
Do not archive
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jack
Phillips
Sent: Saturday, February 27, 2010 1:23 PM
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Having built my tailwheel first without the cross tube and finding that
tailwheel steering inputs went mostly into twisting the tailwheel arm rather
than turning the wheel, I rebuilt it and added the cross tube making the
ailwheel arm into an "A" shape. That works well. Here is the original one:
And here is the improved version:
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
helspersew@aol.com
Sent: Saturday, February 27, 2010 3:01 PM
Subject: Re: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
I have wondered the same thing. Is that extra tube really necessary? The
fuselage/bracket attach points are only a couple inches away, and it would
seem to me that that tube would be redundant. Wish some engineering types
would chime in on this (Bill?, EH?) Santiago, what do you mean
"torsional"loads? Twisting?
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Gary Boothe <gboothe5@comcast.net>
Sent: Sat, Feb 27, 2010 1:19 pm
Subject: RE: Pietenpol-List: Tailwheel & shimmy
Thanks, Santiago! I have noticed that extra tube on some pictures, but don't
really understand the geometry that would require it, unless it may take
some load off the brackets, bolted to the fuselage.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
_____
From: <mailto:owner-pietenpol-list-server@matronics.com>
owner-pietenpol-list-server@matronics.com [
<mailto:owner-pietenpol-list-server@matronics.com?>
mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of santiago
morete
Sent: Saturday, February 27, 2010 10:40 AM
Subject: Pietenpol-List: Tailwheel & shimmy
Hi Gary,
That's beautiful! I can see you beefed up the tubes at the end, but, have
you considered adding a tube between the two arms? like an "A", to help with
the torsional loads. I'm not flying yet, but I can see that most people
with this setup and a steerable tail wheel had to do that.
Dan H. maybe you should to consider doing the same thing, now that you have
an steerable tail wheel.
I would like to know the opinion of more experienced people.
Saludos
Santiago
_____
Encontra las mejores recetas con Yahoo! Cocina.
<http://ar.mujer.yahoo.com/cocina/> http://ar.mujer.yahoo.com/cocina/
<http://www.matronics.com/Navigator?Pietenpol-List>
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<http://forums.matronics.com/> http://forums.matronics.com
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===================================
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===================================
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Message 19
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| Subject: | Re: Tailwheel & shimmy |
Oh ALLRIGHT! Now I have to add more weight way back there! UGH! Who asked
you to chime in anyway?
Dan Helsper
Poplar Grove, IL.
-----Original Message-----
From: Bill Church <billspiet@sympatico.ca>
Sent: Sat, Feb 27, 2010 3:19 pm
Subject: Pietenpol-List: Re: Tailwheel & shimmy
a>
Keep wishing, Dan!
Oh, all right... I'll "chime in".
I can see how one could think that such a cross member wouldn't be necessa
ry,
ince the forward arms are connected to the fuselage - but those connection
s at
he fuselage can't really resist twisting. And the tailwheel assembly will
efinitely be imparting twisting forces on the fuselage brackets. The geome
try
f a tailwheel is different from the skid, in that it's contact point with
the
round is several inches away from the steel frame, whereas the skid is
mmediately below the frame. This arrangement provides what is called a mom
ent
rm (engineering term), and the result is that when the tail of the plane
is
ubjected to side loads, the tailwheel will try to twist the steel frame.
If the
ubes are not tied together (other than back where the tailwheel is attache
d),
he individual tubes will twist. By welding a crossmember between the two
arms,
he arms are no longer able to twist individually, and the twisting forces
will
e transferred directly to the fuselage rather tha!
n those tubes and the mounting brackets. Attached is a shot I found that
shows
he assembly that Ken Perkins makes, and the cross member can clearly be se
en.
his cross member won't eliminate the twisting of the steel frame, since it
's
asically only two dimensional, but it will definitely be better than not
having
he cross member.
Hope this helps.
Bill C. (engineering type)
ead this topic online here:
http://forums.matronics.com/viewtopic.php?p=288532#288532
ttachments:
http://forums.matronics.com//files/kp_tailwheel_111.jpg
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Message 20
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|
I will ask the builder what his all-up weight is for him and plane.
BTW, he's not getting the static rpm that he should be getting.
>I own both a GN-1 Aircamper and an N3Pup but the pup is not very
>good with the 1/2 VW in it at only 28hp so I'm switching the engine
>back to the 503 rotax at 52 hp with reduction drive.The only thing I
>can get out of the pup right now is a good fast taxi and on a good
>day just get airborn.Kinda scary actually.If I had one of those
>Scott Cassler 45hp on it that would make all the difference in the
>world but can't afford one at this time.I was ablr to pick up a 503
>at $1800 US but the 45hp 1/2 VW comes in at $6000 CND to my door.I
>don't know what the guy in the video is using but it sounds stronger
>than mine.I am sitting at 210 lbs right now.If I was at the 145lbs I
>should be at then the 1/2VW I have now would probably be OK.I know,I
>know,it would be cheaper to loose the weight than change the
>engine.Very hard to loose it at 63 years old.
>
>
>From: Jeff Boatright <jboatri@emory.edu>
>To: pietenpol-list@matronics.com
>Sent: Sat, February 27, 2010 6:52:13 AM
>Subject: Pietenpol-List: Piet-N-Pup
>
>-===========================
--
---
Jeffrey H. Boatright, Ph.D.
Associate Professor of Ophthalmology
Emory University School of Medicine
Editor-in-Chief
Molecular Vision
Message 21
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| Subject: | Re: anybody near Portland? |
Here are a couple Clif.
1) A self-portrait with a rental 150 that I took while on my long
student pilot solo cross-country.
2) Panorama (from 7 individual photos) taken during EAA Chapter's Poker
Run. My rental 150 is on the left of the 13 aircraft parked outside the
blimp hangar.
Clif Dawson wrote:
> This thing is incredible! I have a photo somewhere of my Cherokee in
> front of the
> doors. The cherokee is just a tiny blip at the bottom of the photo!
>
> Clif
>
> *Subject:* RE: Pietenpol-List: anybody near Portland?
>
> There is also a great air museum in Tillamook Oregon. That is just
> over to the coast from Portland. It is in an old WW2 blip hanger.
> I nice museum not too far from Portland.
>
> vic groah NX414MV
>
>
> *
>
>
> *
Message 22
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| Subject: | Re: engine run up |
Douwe. A few teaspoons of Marvel, or as I do, try 2 cycle synthetic in the fuel
for the first 5 hours, I use it all the time
Go Snow, some where to help the warming problem!
Pieti Lowell
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288548#288548
Message 23
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| Subject: | Tailwheel & shimmy |
Yes Dan, twisting, sorry if I'm not using the right words.- I guess you a
re thinking, at this point,-that a tailskid would be nice, simple, light
and you already have one! :-)
Saludos
-
Santiago=0A=0A=0A Yahoo! Cocina=0A=0AEncontra las mejores recetas con
Yahoo! Cocina.=0A=0A=0Ahttp://ar.mujer.yahoo.com/cocina/
Message 24
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|
| Subject: | Re: Tailwheel & shimmy |
Hey! It's still lighter than a leafspring arrangement. I originally used a
Scott Tailwheel with a leafspring and then went with an Aircraft Spruce
"Homebuilder's Special" tailwheel with the A arm and save nearly 4 pounds.
Leaf springs are HEAVY.
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of
helspersew@aol.com
Sent: Saturday, February 27, 2010 5:27 PM
Subject: Re: Pietenpol-List: Re: Tailwheel & shimmy
Oh ALLRIGHT! Now I have to add more weight way back there! UGH! Who asked
you to chime in anyway?
Dan Helsper
Poplar Grove, IL.
Message 25
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| Subject: | Re: Sky Scout..."Glue"question? |
There were two glue articles.
Here is the first one.
Greg Cardinal
----- Original Message -----
From: "Oscar Zuniga" <taildrags@hotmail.com>
Sent: Friday, February 26, 2010 9:41 AM
Subject: Pietenpol-List: Sky Scout..."Glue"question?
>
>
> If anyone is a member or subscriber to "Fine Woodworking",
> they ran a glue comparison in August of 2007 on six
> of the common wood glues, here:
>
> http://www.finewoodworking.com/Materials/MaterialsPDF.aspx?id=28897
>
> I'm not a member so I can't access the article but I
> think I remember the results and Gorilla Glue didn't
> place too well in the tests. My own experience with
> it has NOT been on airplane stuff but what I've found
> is that even with the air squeezed out of the container
> and the container tightly capped, the stuff will set
> up on the shelf and be useless so there's no point in
> buying more than you can readily use. It also foams
> out of the joint considerably, if you care about that.
>
> It's T88 for me...
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
>
>
Message 26
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| Subject: | Re: Sky Scout..."Glue"question? |
And the second one....
Greg
----- Original Message -----
From: "Oscar Zuniga" <taildrags@hotmail.com>
Sent: Friday, February 26, 2010 9:41 AM
Subject: Pietenpol-List: Sky Scout..."Glue"question?
>
>
> If anyone is a member or subscriber to "Fine Woodworking",
> they ran a glue comparison in August of 2007 on six
> of the common wood glues, here:
>
> http://www.finewoodworking.com/Materials/MaterialsPDF.aspx?id=28897
>
> I'm not a member so I can't access the article but I
> think I remember the results and Gorilla Glue didn't
> place too well in the tests. My own experience with
> it has NOT been on airplane stuff but what I've found
> is that even with the air squeezed out of the container
> and the container tightly capped, the stuff will set
> up on the shelf and be useless so there's no point in
> buying more than you can readily use. It also foams
> out of the joint considerably, if you care about that.
>
> It's T88 for me...
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
>
>
Message 27
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| Subject: | Re: anybody near Portland? |
Thanks Ken,
My mother did not have any pictures of Tillamook, so now I have some
idea of what it was like when she was there in 1944-45.
Kip Gardner
On Feb 27, 2010, at 6:26 PM, Ken Howe wrote:
> Here are a couple Clif.
>
> 1) A self-portrait with a rental 150 that I took while on my long
> student pilot solo cross-country.
>
> 2) Panorama (from 7 individual photos) taken during EAA Chapter's
> Poker
> Run. My rental 150 is on the left of the 13 aircraft parked outside
> the
> blimp hangar.
>
> Clif Dawson wrote:
>> This thing is incredible! I have a photo somewhere of my Cherokee
>> in front of the
>> doors. The cherokee is just a tiny blip at the bottom of the photo!
>> Clif
>> *Subject:* RE: Pietenpol-List: anybody near Portland?
>> There is also a great air museum in Tillamook Oregon. That is
>> just
>> over to the coast from Portland. It is in an old WW2 blip
>> hanger. I nice museum not too far from Portland. vic
>> groah NX414MV *
>> *
>
> <Solo-XC_20060422_0003.jpg><PokerRun2006at S47 [1280x245].jpg>
Message 28
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| Subject: | Re: Tailwheel & shimmy |
Hey guys: on your "A" frame tail wheel assembly what do you use for a
spring.
is this something that acs carries or something you had to find
somewhere else
I'm thinking the coil spring from the front end of a motorcycle, or is
that to stiff,
this is getting to me so any ideas would be appreciated.
wayne
waterloo on.
Message 29
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| Subject: | Re: Tailwheel & shimmy |
John Deere. I can dig up the part # tomorrow.
Gary Boothe
Cool, Ca.
Pietenpol
WW Corvair Conversion, mounted
Tail done, Fuselage on gear
(18 ribs down.)
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of wayne &
Cathy Boniface
Sent: Saturday, February 27, 2010 6:48 PM
Subject: Re: Pietenpol-List: Re: Tailwheel & shimmy
Hey guys: on your "A" frame tail wheel assembly what do you use for a
spring.
is this something that acs carries or something you had to find somewhere
else
I'm thinking the coil spring from the front end of a motorcycle, or is that
to stiff,
this is getting to me so any ideas would be appreciated.
wayne
waterloo on.
Message 30
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| Subject: | Re: Tailwheel & shimmy |
Here is a repeat of a post from 1997.....
"John Deere sells a spring that's a perfect match for the specs;
its part number is
T 143444, and it costs about $9.00. Its outer dia. is 1.5
in.; full length
( no load ) is 6.73" ; the coil itself is .191" thick. I've
tested its compresed
load, and it almost gets totally compressed under my weight (c.
210 lbs.). I
don't know what the spring is used for in a John Deere, but
Ken Perkins tells
me that the spring for a 1929 JD rake is a perfect match.
Maybe "that's what
it's for."
This is the spring I used and I think it cost me $19 a couple of years ago
Rick Schreiber
Valparaiso, IN
----- Original Message -----
From: wayne & Cathy Boniface
Sent: 2/27/2010 8:51:21 PM
Subject: Re: Pietenpol-List: Re: Tailwheel & shimmy
Hey guys: on your "A" frame tail wheel assembly what do you use for a spring.
is this something that acs carries or something you had to find somewhere else
I'm thinking the coil spring from the front end of a motorcycle, or is that to
stiff,
this is getting to me so any ideas would be appreciated.
wayne
waterloo on.
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