Today's Message Index:
----------------------
1. 06:33 AM - Strut mounted Airspeed Indicator (Terry Hall)
2. 07:04 AM - new Texas Piet (Oscar Zuniga)
3. 07:07 AM - Pietenpol kids (Oscar Zuniga)
4. 07:13 AM - Re: tail gear collapse (Jeff Boatright)
5. 07:33 AM - Engine question (Oscar Zuniga)
6. 07:35 AM - Re: tail gear collapse (Bill Church)
7. 07:38 AM - Re: Engine question...... (MICHAEL SILVIUS)
8. 07:47 AM - Re: tail gear collapse (Rob Stapleton, Jr.)
9. 08:33 AM - welding (Douwe Blumberg)
10. 10:43 AM - Back at it. (Tom Winter)
11. 12:05 PM - Re: Engine question (Patrick Panzera)
12. 02:59 PM - Re: tail gear collapse (Barry Davis)
13. 04:08 PM - Re: Pietenpol kids (Rcaprd@aol.com)
14. 04:13 PM - Re: tail gear collapse (Jeff Boatright)
15. 04:40 PM - Re: Engine question...... (Ryan Michals)
16. 07:08 PM - Ron & Patricia Hollmer's Piet (Oscar Zuniga)
17. 09:53 PM - Re: Pietenpol kids (Tim Willis)
18. 11:47 PM - Re: Ron and Patricis Hollmer's Piet (Catdesigns)
Message 1
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| Subject: | Strut mounted Airspeed Indicator |
Hello everyone,
Here is a copy of the strut mounted airspeed indicator that was dicussed
over the weekend. I was able to obtain it last year from another
source. It appears that it is making the Internet rounds.
I have built one for my Sky Scout, and it does seem to work when I hold
it outside a car window.
Regards to all and happy building,
Terry Hall
Message 2
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I had an email from Ron and Patricia Hollmer in Corpus Christi, TX- they now
own Howard Henderson's Ford A-powered Piet and keep it at Rockport, TX. I
added them to the Frappr site.
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_________________________________________________________________
Share your special parenting moments!
http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us
Message 3
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I received a nice laminated photo of the "Piet kids" in the mail last week.
I think they sent out photos to everyone who contributed to their
restoration project and trip to Oshkosh. Very encouraging to see young
people carring the 75 year old design into the 21st century and beyond!
Who knows; there might be a daydreaming young student doodling in class
right now, working on a biodiesel Piet or a hydrogen Piet or something else
like that, even as we speak...
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
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Message 4
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| Subject: | tail gear collapse |
Peter,
Thanks for the reply. I finally had a chance to go through the list
archives. There is one posting that suggests using 0.049,
specifically stating that he found that 0.035 wasn't strong enough. I
think I may have just confirmed that! (Well, for MY bouncey landings,
anyway).
Jeff
At 12:28 PM +1000 9/4/07, Peter W Johnson wrote:
><vk3eka@bigpond.net.au>
>
>Jeff,
>
>5/8 inch 20 gauge (0.035")??. You will need about 34 inches.
>
>Cheers
>
>Peter
>Wonthaggi Australia
>http://www.cpc-world.com
>
>
>-----Original Message-----
>From: owner-pietenpol-list-server@matronics.com
>[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jeff
>Boatright
>Sent: Tuesday, 4 September 2007 12:18 PM
>To: pietenpol-list@matronics.com
>Subject: Re: Pietenpol-List: tail gear collapse
>
>
>Does anyone know the tubing specs for this application? The diameter
>of the tubes use previously is 5/8", but I can't tell what the
>thickness is.
>
>Thanks,
>
>Jeff
>
Message 5
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Indeed some aircraft test setups have been made using the Honda Goldwing
engine (not on a Piet) and it's a nice engine, very available, but the
thrust output shaft is not on the engine centerline. The writeup is in
Contact! magazine and is available from Contact!.
There are so many nice little inline water-cooled fours available out of
cars these days, but as Tim mentioned... you'd be blazing new trails every
time you adapt a new one. And most (all?) would require a redrive to put
the power in the right RPM range for our props and speeds.
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_________________________________________________________________
Gear up for Halo 3 with free downloads and an exclusive offer.
http://gethalo3gear.com?ocid=SeptemberWLHalo3_MSNHMTxt_1
Message 6
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| Subject: | tail gear collapse |
Jeff,
I haven't built my tail gear yet (I would first need a fuselage to mount
it on), but one thing that I remember reading regarding tailgear
construction was the following:
http://www.mykitplane.com/Planes/photoDisplay.cfm?PhotoName=Mvc-001s.jpg
&PhotoID=93
Ken Perkins builds and sells these really nice tailgear assemblies (at
least the one on his Air Camper looks really nice). Don't know what the
price is, or if it would fit your application as-is. Note that Ken says
he uses .049" wall thickness to construct his gear, as he found that
.035" as shown in the plans is too light for use with a tailwheel. (It's
probably adequate for a tailskid, though).
Bill C.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jeff
Boatright
Sent: Monday, September 03, 2007 10:31 PM
Subject: Re: Pietenpol-List: tail gear collapse
Does anyone know the tubing specs for this application? The diameter of
the tubes use previously is 5/8", but I can't tell what the thickness
is.
Thanks,
Jeff
Message 7
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| Subject: | Re: Engine question...... |
Some of the fellows in the rotary world have been working on a 1/2 Mazda 13B
engine to fit LSA category AC. That is a single rotor Wankel made out of a
Mazda RX7 13B rotary. Estimated power at 100 hp and complete weight under
200lbs. Don't know if any have flown yet but it looks promising as you can
use the more inexpensive Hirth redirve instead of the more costly RWS unit.
Off the shelf components such as shortened E-shaft (crank) Peripheral port
rotor housing and aluminum end housing are available from the rotary racing
suppliers. The fellow in the attached pictures cooked up his own single
rotor Wankel out of junkyard parts. Should make for a nice set up for an
Aircamper.
michael in maine
Message 8
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| Subject: | tail gear collapse |
Speaking of tail assembly I have the same type "V" and a solid rubber wheel,
is there a modification to make this castoring wheel stearable? I haven't
installed it yet and am looking at how to rig this up?
Rob
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Bill Church
Sent: Tuesday, September 04, 2007 6:36 AM
Subject: RE: Pietenpol-List: tail gear collapse
Jeff,
I haven't built my tail gear yet (I would first need a fuselage to mount
it on), but one thing that I remember reading regarding tailgear
construction was the following:
http://www.mykitplane.com/Planes/photoDisplay.cfm?PhotoName=Mvc-001s.jpg
&PhotoID=93
Ken Perkins builds and sells these really nice tailgear assemblies (at
least the one on his Air Camper looks really nice). Don't know what the
price is, or if it would fit your application as-is. Note that Ken says
he uses .049" wall thickness to construct his gear, as he found that
.035" as shown in the plans is too light for use with a tailwheel. (It's
probably adequate for a tailskid, though).
Bill C.
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Jeff
Boatright
Sent: Monday, September 03, 2007 10:31 PM
Subject: Re: Pietenpol-List: tail gear collapse
Does anyone know the tubing specs for this application? The diameter of
the tubes use previously is 5/8", but I can't tell what the thickness
is.
Thanks,
Jeff
Message 9
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Guys,
In our efforts to become better welders, this might help. I've read
about it, and have been using it when I TIG, especially metals that are
very sensative to contamination (aluminum for example) but it should
help with gas welding too.
In the interest of keeping contamination to your rod minimal, keep the
rod tip in the gas envelope between "dabs", or until the end isn't red
anymore. Many of us do this naturally, but many of us also probably
pull it completely out and forget about it until we need it again.
Douwe
Message 10
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Yesterday I took a strip of wood five and one half foot long strip,
1/4'x1/2', and nails and used the strip for a french curve, along
the points I'd already measured out for the wing rib. Like
modeling!! Pine board instead of homosote, nails instead of pins,
spruce instead of balsa! If my spruce "french curve" did not hit ALL
the points spot-on, I didn't worry: the original curve followed the
way a strip of wood could be bent, so I figgered the wood knew more
about it than my measured points. Cut out the full size paper rib,
and spray-painted around it on the board. Two sessions and I've
nearly got the rib jig. Much more relaxing than wrenching on the
engines. (Hammer and billet on kerosene-soaked pistons!)
Message 11
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> There are so many nice little inline water-cooled fours available out of
> cars these days, but as Tim mentioned... you'd be blazing new trails every
> time you adapt a new one. And most (all?) would require a redrive to put
> the power in the right RPM range for our props and speeds.
On paper a Corvair needs a redrive to extract its full potential, but the
beauty of it is that when you elect to leave some HP on the table and accept
a lower output by going direct drive and limiting the revs accordingly, you
add simplicity and longevity.
I'm sure there are any number of lightweight import (water-cooled, DOHC, 16V
etc.) four bangers that make 125-145+ ponies at 6K RPM, that probably could
make 85HP+ @ 3250 RPM direct drive and power a Piet nicely.
BUT!!! as mentioned, the builder would be a pioneer.
Pat
Message 12
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| Subject: | Re: tail gear collapse |
You could bring it to the Big Piet Factory next Monday night . I'm sure it
can be fixed.
Barry
----- Original Message -----
From: "Jeff Boatright" <jboatri@emory.edu>
Sent: Monday, September 03, 2007 6:19 PM
Subject: Pietenpol-List: tail gear collapse
> Gang,
>
> I broke the Piet's tail gear this afternoon - broke at the welds of
> the "V", just ahead of the vertical spring. The 30 year old welds
> couldn't take the pounding that occurs with one of my multi-hop
> landings.
>
> Does anyone know of a gear that can be bought? The current gear uses
> the two steel tubes in a V as per the later plans (I think) with a
> spring running vertically at the point of the "V". What we have now
> is probably not repairable. I've attached photos prior to the
> collapse. They're not very good; I'll try to upload better ones later.
>
> We have four fly-ins starting 10 days from now that I'd really like
> to make if at all possible. One of them my Dad is coming into town
> specifically to ride in the Piet to. I'm open to any suggestions
> about how to beg, borrow, or buy a complete "V". Note that the
> tailwheel and hardware is fine; it's just the "V" that is knackered.
> In the mean time, I'm ordering tubing from AS&S to make a new one.
>
> Thanks,
>
> Jeff
Message 13
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| Subject: | Re: Pietenpol kids |
Hey !! I received that picture of the 'Pietenpol Kids' too !! You're right
on Oscar, about our next generation of Pietenpol Builders. There is also a
good article about them in the Sport Aviation that I got today. No doubt these
kids are much more confident about any endeavor they choose in their life, and
I would bet a dollar to a doughnut that several of them will someday build a
Pietenpol of their own !!
>From Trees & Rags
to
Stick & Rudder
Pietenpols are Forever !!
http://discover.aol.com/memed/aolcom30tour
Message 14
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| Subject: | Re: tail gear collapse |
Barry,
Much, much thanks for the kind offer. My hangar mate (who was in the
front cockpit when I took the Piet on Mr. Toad's Wild Ride) is going
to take a crack it first. If we can't figure it out by next Monday,
you might just see me pull up with busted gear in hand and tail
between my legs!
Jeff
At 5:58 PM -0400 9/4/07, Barry Davis wrote:
>
>You could bring it to the Big Piet Factory next Monday night . I'm
>sure it can be fixed.
>Barry
>
--
_____________________________________________________________
Jeffrey H. Boatright, PhD
Associate Professor, Emory Eye Center, Atlanta, GA, USA
Senior Editor, Molecular Vision, http://www.molvis.org/molvis
mailto:jboatri@emory.edu
Message 15
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| Subject: | Re: Engine question...... |
One of the attractive features of the Piet for me was the fact that it uses a low
revving engine. The sound of an old Ford or Continental puttin' along adds
to the whole experiance, rather than somthin' on the nose screeming like it may
blow apart at any moment (no offense ultralight guys).
Ryan
---------------------------------
Choose the right car based on your needs. Check out Yahoo! Autos new Car Finder
tool.
Message 16
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| Subject: | Ron & Patricia Hollmer's Piet |
I've sent a picture of Ron & Patricia's Piet to Chris Tracy for uploading to
his excellent photo archive site and I'm sure he'll let us know when he has
a chance to upload it. It's a beauty. Very classic lines... Ford Model A
engine that appears to run the conversion just as Messrs. Pietenpol and
Hoopman's drawings show. It has jury struts (vertical) but no horizontal
stiffener between them. It has X-brace wires in the passenger side cabane
bay, no cabane struts. V-type tailwheel with the spring per plans but with
a tailwheel added rather than a skid. Center section fuel tank per plans.
A very nice laminated semi-scimitar or paddle type prop, obviously
hand-carved or at least made to order.
The photo seems to show that there is either no cover on the section of the
top boot cowl where the instruments go, or else it is hinged down in the
picture because the rear of the instruments can be seen. The tail surfaces
have bendable (fixed) aluminum trim tabs on both rudder and elevator and
both are deflected, indicating that there were some trim issues.
Classic wooden main gear legs, solid axle with bungee suspension, and looks
like no brakes of any kind.
He reports that he was surprised at how well it performs with the Ford A
engine (but admittedly he's located at sea level and there are no forests
there than I know of!), has about 15 hours in it and everybody he gives
rides to loves it, but it flies a bit heavy on the right wing and apparently
does not have threaded fork clevises on the wing strut ends to allow
adjusting the wing incidence to wash it out a bit to take out the heaviness.
He's looking into that.
I've got to go visit these folks...
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_________________________________________________________________
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Message 17
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| Subject: | Re: Pietenpol kids |
I got my pic tonight. I am impressed by the way the kids look, their enthusiasm
and readiness, and by the plane. It's great that they are getting attention,
sponsorship, and personal development. I am glad we are a part of that. Thanks
to all involved in MT.
Tim in central TX
-----Original Message-----
>From: Rcaprd@aol.com
>Sent: Sep 4, 2007 6:07 PM
>To: pietenpol-list@matronics.com
>Subject: Re: Pietenpol-List: Pietenpol kids
>
>Hey !! I received that picture of the 'Pietenpol Kids' too !! You're right
>on Oscar, about our next generation of Pietenpol Builders. There is also a
>good article about them in the Sport Aviation that I got today. No doubt these
>kids are much more confident about any endeavor they choose in their life, and
>I would bet a dollar to a doughnut that several of them will someday build a
>Pietenpol of their own !!
>
>>From Trees & Rags
> to
>Stick & Rudder
>
>Pietenpols are Forever !!
>
>
>http://discover.aol.com/memed/aolcom30tour
Message 18
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| Subject: | RE: Ron and Patricis Hollmer's Piet |
Oscar and All,
The picture can be found at
http://westcoastpiet.com/howard_henderson_444hh.htm it's the one on the very
bottom.
Oscar, I see brakes. They look to be small, perhaps 4-inch, drum brakes.
If you look closely I think he has pins on the axel like Mike Cuy.
Grant MacLaren has a great write-up on this plane at
http://users.aol.com/bpabpabpa/n444mh1.html
Chris Tracy
Sacramento, Ca
Website at http://www.Westcoastpiet.com
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