Today's Message Index:
----------------------
1. 04:51 AM - Re: knobby tires (John McNarry)
2. 05:30 AM - panel builder (Oscar Zuniga)
3. 05:42 AM - Re: panel builder (Ken Rickards)
4. 06:29 AM - Colorado Piets (Oscar Zuniga)
5. 10:02 AM - Split axel landing gear (cat_designs@juno.com)
6. 11:07 AM - Re: panel builder (Jon Botsford)
7. 01:40 PM - Fw: knobby tires (Lauritz Larsen)
8. 02:38 PM - Landing gear (lshutks@webtv.net (Leon Stefan))
9. 03:41 PM - Re: Sentimental Journey (Malcolm Morrison)
10. 05:04 PM - split axle landing gear (D. Engelkenjohn)
Message 1
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--> Pietenpol-List message posted by: "John McNarry" <jmcnarry@escape.ca>
Yet another thought:
I don't remember where I first saw or read about shaving the knobs off of
knobby tires for that vintage look.
But here are some points I discovered while experimenting with old 21"
knobbys to get the technique down pat.
The tire carcass for knobbies is much heavier than the same size street
tire. The reason, I assume, is to get the stability required when driving on
the outer knobs. I also sectioned though two old tires to see the ply
structure. Knobbies definitely have more plys.
The shaved and sanded tire weighed about the same as a street tire. I
haven't recorded the weights but I did weight the amputated knobs and both
tire types.
I cut the lugs off with a sharp utility knife wetted with dish soap.
Followed by 24 grit disks in a large hand held angle grinder. (Stinks, lots
of rubber dust) I let the tire rotate on the wheel during this operation.
Someone else, perhaps in an EAA publication, polished the sanded tire by
doing "burnouts" on grass with the tire while it was mounted on a
motorcycle. This is not an option for me as 21" tires are not used on the
rear of bikes.
On a Piet the difference may not be much but the shaved smooth look might
reduce drag?
John Mc
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of Lauritz
Larsen
Subject: Re: Pietenpol-List: knobby tires
--> Pietenpol-List message posted by: "Lauritz Larsen"
<pietlars@earthlink.net>
Another thought:
I remember reading an article which was probably one of Bob Whittier's re
smooth tires. It was noted that in addition to the sliding on grass aspect
which was thrown off at speed splattering the wings and tail feathers.
Lou Larsen
----- Original Message -----
From: "Carl Loar" <skycarl@megsinet.net>
Subject: Pietenpol-List: knobby tires
> --> Pietenpol-List message posted by: "Carl Loar" <skycarl@megsinet.net>
>
> There seems to be a concern about the knobby motorcycle tires I have on my
> piet.
> I know most aircraft have smooth tires and it lets you slide on the grass.
> But those same
> smooth tires don't slide much on asphalt runways. Maybe later I will opt
for
> smoothys but
> I think that there shouldn't be a problem with the ones I have now. I
don't
> plan on doing a
> lot of heavy cross wind landings for a while. My early flights will be in
> calm weather. And if
> I do get a cross wind, I'll land like it was asphalt. I thought I would
> throw this out and get a
> feel for the groups opinions. Thanks as always.
> Carl
> check out my webpage at http://members.core.com/skycarl
>
>
Message 2
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--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
Ken wrote-
>Just went on line yesterday to epanelbuilder.com. This site was in
>Sport Aviation, June edition.
>All panels are to scale as are the instruments.
Hmmm... this raises a question. As it turns out, there was no Pietenpol
panel available on the site this time last year so I drew one up to scale in
CAD and forwarded it to the site owner, and he put it up for our use. My
question is, since the panel on the epanelbuilder site is for a Pietenpol,
how different is the panel on a GN-1?
Side note: I'll be hitting the road tomorrow morning headed up to Boulder,
CO to pick up my daughter. On the way, I plan to stop in Salida to see John
Dilatush's Subaru-powered Piet up in that rarefied mountain-high air.
Pictures next week, if the side trip works out...
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 3
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--> Pietenpol-List message posted by: Ken Rickards <krickards@cvci.com>
Good question... Not having the dimensions of the Piet panel, I assumed
that the GN1 panel would be the same size! I am making my fuse 2" wider
than plans so the panel will not be per plans. Would be interesting to hear
from anyone that has seen both panels!
Ken
-----Original Message-----
From: Oscar Zuniga [mailto:taildrags@hotmail.com]
Subject: Pietenpol-List: panel builder
--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
Ken wrote-
>Just went on line yesterday to epanelbuilder.com. This site was in
>Sport Aviation, June edition.
>All panels are to scale as are the instruments.
Hmmm... this raises a question. As it turns out, there was no Pietenpol
panel available on the site this time last year so I drew one up to scale in
CAD and forwarded it to the site owner, and he put it up for our use. My
question is, since the panel on the epanelbuilder site is for a Pietenpol,
how different is the panel on a GN-1?
Side note: I'll be hitting the road tomorrow morning headed up to Boulder,
CO to pick up my daughter. On the way, I plan to stop in Salida to see John
Dilatush's Subaru-powered Piet up in that rarefied mountain-high air.
Pictures next week, if the side trip works out...
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_
Message 4
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--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
For that matter, are there any Piet owners/builders/pilots in or around the
Jefferson County Airport in the Boulder/Broomfield area? I'll be staying
the night in Boulder and would be glad to buy a round...
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 5
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Subject: | Split axel landing gear |
--> Pietenpol-List message posted by: cat_designs@juno.com
The time for a decision on what type of landing gear I am going to build is drawing
near. I am hoping by the end of summer to finally have my fuselage on the
gear. I always thought I was going to build the wood strait axel gear but so
many of you are building it I figured I might want to be different and build
the steel split axel gear. Last night as I was looking at the 1933 plans for
the split axel gear, I noticed that the drawings are different then the gear used
on the Last Original Air Camper built by BHP. The plans show that the shock
struts cross and the shock cords are near the top. On the modified gear the
shock struts come together at a metal fitting about halfway up and the springs
(no shock cords used) are below this fitting. I think this is similar to
the Piper Cub gear. I also noticed a lot of the split axel geared Piets are using
this setup. Anyone know how or better yet have the plans on how to build
this gear? Take a look at this picture to see what I am talking about.
www.mykitplane.com/Planes/photoDisplay.cfm?PhotoName=piet-lastoriginal.jpg&PhotoID=521
Also, on the plans it shows a List of Material required to build the split axel
gear. Does anyone know where the 15 x 1x 1/2 strip steel is used? I cant seem
to find where it is used on the plans.
I hate trying to decide things like this. I think I should be building two planes
so I can have both.
Thanks
Chris
Sacramento, CA
The best thing to hit the internet in years - Juno SpeedBand!
Surf the web up to FIVE TIMES FASTER!
Message 6
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Subject: | Re: panel builder |
--> Pietenpol-List message posted by: "Jon Botsford" <botsford7@hot.rr.com>
----- Original Message -----
From: "Ken Rickards" <krickards@cvci.com>
Subject: Pietenpol-List: panel builder
--> Pietenpol-List message posted by: Ken Rickards <krickards@cvci.com>
Just went on line yesterday to epanelbuilder.com. This site was in Sport
Aviation, June edition. For those of us that are currently building, this
is a great tool. All panels are to scale as are the instruments. It gives
you a really good idea of how your panel will look.
I updated my web site with the panel I want for my GN1. I would appreciate
any comments on the layout that I have chosen, link below is my web site.
Ken
GN1 2992
Canada
http://home.cogeco.ca/%7Epietbuilder/index.htm
Message 7
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--> Pietenpol-List message posted by: "Lauritz Larsen" <pietlars@earthlink.net>
----- Original Message -----
From: "Lauritz Larsen" <pietlars@earthlink.net>
Subject: Re: Pietenpol-List: knobby tires
> Another thought:
>
> I remember reading an article which was probably one of Bob Whittier's re
> smooth tires. It was noted that in addition to the sliding on grass
aspect
> , another attribute was reducing the accumulation of mud/crud on the tires
> which was thrown off at speed splattering the wings and tail feathers.
>
> Lou Larsen
> ----- Original Message -----
> From: "Carl Loar" <skycarl@megsinet.net>
> To: <pietenpol-list@matronics.com>
> Sent: Saturday, June 07, 2003 11:43 AM
> Subject: Pietenpol-List: knobby tires
>
>
> > --> Pietenpol-List message posted by: "Carl Loar" <skycarl@megsinet.net>
> >
> > There seems to be a concern about the knobby motorcycle tires I have on
my
> > piet.
> > I know most aircraft have smooth tires and it lets you slide on the
grass.
> > But those same
> > smooth tires don't slide much on asphalt runways. Maybe later I will opt
> for
> > smoothys but
> > I think that there shouldn't be a problem with the ones I have now. I
> don't
> > plan on doing a
> > lot of heavy cross wind landings for a while. My early flights will be
in
> > calm weather. And if
> > I do get a cross wind, I'll land like it was asphalt. I thought I would
> > throw this out and get a
> > feel for the groups opinions. Thanks as always.
> > Carl
> > check out my webpage at http://members.core.com/skycarl
> >
> >
> >
> >
> >
> >
> >
>
Message 8
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--> Pietenpol-List message posted by: lshutks@webtv.net (Leon Stefan)
Hello Chris: I built the plans gear with the cross shock struts and
bungees at the top. After building the the shock struts the second time
it dawned on me that I could have made the chore of installing the
bungees so much easier by building these struts J-3 style--turning the
lower 1 1/4" cross tube 90 degree to the top one, then welding it at the
same distance from the top cross tube as the J-3 Cub. Then you can use
off the shelf J-3 bungee cord rings and install them in seconds with a
home made tool, rater than mess with the single 6' piece cord.
Installing that 6' cord has been discussed on the list before, and it
sounds like a real pain. I thought this was an original idea I came up
with, but I've seen several Piets at Brodhead with shock struts built
this way. On building the gear, I built a cradle fixture the same with
and shape as my fus. bottom. This allowed me to build the gear "on the
fuselage" without actually building it on the fuselage, I tack welded it
together, than had a friend mig weld it. ( The wood kind of takes a
beating ) When finished, I moved it to the fus. for fitting. You will
need to move one gear leg foreward 1/16", and the other back 1/16" to
give you 1/8 gap where the shock tubes cross each other, other wise they
will hit and rub on each other. Then drill your holes. Getting your
fuselage on the gear is a real physiological boost and a major turning
point in your building. You didn't ask for all of this, but you got it
any way. Good luck. See you at Brodhead. Leon S. Soon to move into a
house with a real garage!
Message 9
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Subject: | Re: Sentimental Journey |
--> Pietenpol-List message posted by: "Malcolm Morrison" <morrisons5@adelphia.net>
Gene
I'll be up there Friday evening. I live just 20 minutes away.
Malcolm Morrison
----- Original Message -----
From: "Gene Rambo" <rambog@erols.com>
Subject: Re: Pietenpol-List: Sentimental Journey
> --> Pietenpol-List message posted by: "Gene Rambo" <rambog@erols.com>
>
> Is anyone else on here planning on going to Sentimental Journey in Lock
> Haven?? I am planning, last minute, to go up in my Travel Air, it looks
> like the weather might be nice for the first time this
>
year!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !!!!!!!!!!!!!!!!!!!!!!!!
>
> I'd like to see/meet whoever is going . . .
>
> Gene
>
>
Message 10
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Subject: | split axle landing gear |
--> Pietenpol-List message posted by: "D. Engelkenjohn" <wingding@usmo.com>
I saw "the last original" last saturday at the SAA flyin at
Champaign/Urbana, Ill. It was bought from Andrew Pietenpol by Bill
Knight of Brodhead, Wisc. He may have an e-mail address, but I don't
have it. Also there was Tom Brown of Unity, Wisc. who flew down with
Bill. I was in Piet heaven!
Both planes used that type of landing gear, but the last original
used streamline tubing, although it doesn't look like it in the photo. I
believe the 15" of 1 1/2" material is cut up and part is used at the
junction where the springs attach and part is used down where the other
end is attached at the axle as a gusset to give more strength. The
streamline tubine is mashed flat and bent at the fuselage and a bolt
goes through the landing gear fitting up through the ash 1 X 2 also.
Why this gear isn't in the plans is beyond me. I too would like to
know what the benefit if any there is to this setup. I took some
pictures of the details of the two Piets, but they should both be at
Brodhead this summer so people can look at the details they are
interested in themselves.
Dennis Engelkenjohn
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