Today's Message Index:
----------------------
1. 02:47 AM - Re: Re: Fuselage Update (Jack)
2. 10:09 AM - Re: Re: Fuselage Update (Rick Holland)
3. 11:05 AM - Re: Re: Fuselage Update (Michael Perez)
4. 12:01 PM - Rudder cables (Ed G.)
5. 01:12 PM - gps speed (Douwe Blumberg)
6. 01:26 PM - Re: Rudder cables (TOM STINEMETZE)
7. 01:30 PM - Cloudcars prop: correcting myself (Jeff Boatright)
8. 02:34 PM - Re: gps speed (Tim Willis)
9. 02:37 PM - Re: gps speed (Cuy, Michael D. (GRC-RXD0)[ASRC Aerospace Corporation])
10. 02:37 PM - Re: Rudder cables (walt)
11. 02:42 PM - Re: gps speed (walt)
12. 02:45 PM - FAA issues warning about homebuilt Lancairs (Cuy, Michael D. (GRC-RXD0)[ASRC Aerospace Corporation])
13. 02:47 PM - Re: gps speed (Dan Yocum)
14. 02:56 PM - Re: Rudder cables (taildrags)
15. 03:00 PM - Re: FAA issues warning about homebuilt Lancairs (taildrags)
16. 03:06 PM - Re: gps speed (Michael Silvius)
17. 03:18 PM - Re: FAA issues warning about homebuilt Lancairs (Wayne Bressler)
18. 07:57 PM - Re: Re: Fuselage Update (Clif Dawson)
19. 07:57 PM - Re: Rudder cables (Pieti Lowell)
20. 09:38 PM - Re: Re: Fuselage Update (Michael Perez)
Message 1
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| Subject: | Re: Fuselage Update |
Oh yes Waldo was spotted, the tailless Piet was jut more remarkable...
Jack
DSM
Do not archive
Uh oh, by carelessly releasing this photo, it looks like I have
inadvertently let out my secret plans to incorporate an "improved" single
wheel landing gear design. Now that the idea is out there, it will likely
get picked up and completed by one of those faster builders who like
incorporating different details (without naming names like Mike Perez).
Yes Jack, that thing is my mock-up fuselage, built out of about $30 worth of
wood and carpenter's glue. It was a useful exercise, but now it's really
getting in the way. I'm debating whether to keep it or not. The dog stays,
though (good dog).
Glad you can appreciate the mess, Gary. Every once in a while I clean it all
up, and it doesn't look nearly so bad. Still only 18 ribs? If your workspace
is anything like my mess, you may have a few more ribs hidden somewhere.
BC
PS: Did you find Waldo?
Do Not Archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=291642#291642
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| Subject: | Re: Fuselage Update |
You secret is safe, your workshop is such a mess (like mine) that I
didn't even notice the mono-gear design.
rick
On Wed, Mar 24, 2010 at 9:12 PM, Bill Church <billspiet@sympatico.ca> wrote:
>
> Uh oh, by carelessly releasing this photo, it looks like I have inadvertently
let out my secret plans to incorporate an "improved" single wheel landing gear
design. Now that the idea is out there, it will likely get picked up and completed
by one of those faster builders who like incorporating different details
(without naming names like Mike Perez).
>
> Yes Jack, that thing is my mock-up fuselage, built out of about $30 worth of
wood and carpenter's glue. It was a useful exercise, but now it's really getting
in the way. I'm debating whether to keep it or not. The dog stays, though (good
dog).
>
> Glad you can appreciate the mess, Gary. Every once in a while I clean it all
up, and it doesn't look nearly so bad. Still only 18 ribs? If your workspace is
anything like my mess, you may have a few more ribs hidden somewhere.
>
> BC
>
> PS: Did you find Waldo?
>
> Do Not Archive
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=291642#291642
>
>
--
Rick Holland
Castle Rock, Colorado
"Logic is a wreath of pretty flowers, that smell bad"
Message 3
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| Subject: | Re: Fuselage Update |
But Bill, seeing how I like to change things AND NOT do what others do, I'l
l have to make my single wheel landing gear retractable, but no heavier the
n a single fixed! ( Now I have to machine a crank handle, gears, shafts...)
-
I agree with the others as well Jack, very nice fuse. To me, it has been th
e most fun part to work on.
Message 4
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Hi Everyone out there in Pietland. Has anyone out there run their rudder c
ables directly to the rudder horn as per the plans? I drilled a couple litt
le holes in my seat back and ran some string and except for the asthetics o
f haveing the cable in the rear pit it seems to work out really nice and si
mple and Tony B. recommends it. AND those who have run them under the se
at.. I have seen pics of pulleys behind the seat to turn the cables up. do
they run directly to the rudder from there or is there another pulley or fa
irlead at the rear used to turn the cable angle back down?? Thanks in adva
nce Ed G.
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Potentially stupid question but...
Are GPS speeds ground speeds or do they have some way to figure out your
airspeed?
I'm assuming it can only track you against the ground, but who knows these
days.
Thanks
Douwe
Message 6
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| Subject: | Re: Rudder cables |
Ed:
I ran the cables from the rudder bar to a set of dual pulleys directly
behind the pilot's seat back. One pulley directs the cable up to the
rudder horn and the second directs a second cable down to the tail wheel
steering horn. There is a small wood fairlead installed on the rudder
cables at the point where the cables will exit the airplane. This
fairlead is not so much to change cable direction as it is to minimize the
size of the slot through the fabric covering material by holding cable
movement at that point to just in and out. Sorry, I don't have any photos
available at this time.
Tom Stinemetze
N328X (eventually)
>>I have seen pics of pulleys behind the seat to turn the cables up. do
they run directly to the rudder from there or is there another pulley or
fairlead at the rear used to turn the >>cable angle back down?? Thanks in
advance Ed G.
Message 7
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| Subject: | Cloudcars prop: correcting myself |
I stated yesterday that my Cloudcars prop is solid and not laminated.
Jay kindly corrected me - all of his props are laminated, it's just
that some have alternating woods that are distinctly different in
color. My prop is of the same wood stained so dark (my preference)
that I couldn't tell.
I was up yesterday evening flying. Super still air. It was a good
reminder of how much a difference this prop makes. Great climb and no
loss of speed at cruise or top rpm. In fact, I was playing around
flying loose formation with another guy from 2GA9. To catch up to him
I was running at 2500 rpm and approaching 100 mph. That is really
fast for our Piet! Once I caught up, we slow-flighted around for
about a half hour. I was running at 1850-1900 rpm, which gave level
flight at 55-60 mph. Boy, that was a lot of fun! I think I was right
at the peak of the power curve. Any slower and I would have had to
increase rpm to maintain level flight. Any more rpm, and I picked up
speed.
--
Jeff Boatright
"Now let's think about this..."
Message 8
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ground speeds
-----Original Message-----
>From: Douwe Blumberg <douweblumberg@earthlink.net>
>Sent: Mar 25, 2010 8:58 AM
>To: pietenpolgroup <pietenpol-list@matronics.com>
>Subject: Pietenpol-List: gps speed
>
>
>Potentially stupid question but...
>
>Are GPS speeds ground speeds or do they have some way to figure out your
>airspeed?
>
>I'm assuming it can only track you against the ground, but who knows these
>days.
>
>Thanks
>
>Douwe
>
>
Message 9
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Douwe,
GPS indicated your speed over the ground. It is really nice when you're coming
home from Wisconsin and sometimes it says 90 or 95 in a Pietenpol. Likewise
it is laborious westbound sometimes when it says horrible things like 50, 55....
Mike C.
Message 10
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| Subject: | Re: Rudder cables |
Ed,
I ran mine back to a pair of pullies basically one stage ahead of the
point of the pivot of the swingarm of the original tailwheel. Then to
the tailwheel, hooked to it with springs.
walt evans
NX140DL
----- Original Message -----
From: Ed G.
To: piet-list piet-list
Sent: Thursday, March 25, 2010 12:01 PM
Subject: Pietenpol-List: Rudder cables
Hi Everyone out there in Pietland. Has anyone out there run their
rudder cables directly to the rudder horn as per the plans? I drilled a
couple little holes in my seat back and ran some string and except for
the asthetics of haveing the cable in the rear pit it seems to work out
really nice and simple and Tony B. recommends it. AND those who have
run them under the seat.. I have seen pics of pulleys behind the seat to
turn the cables up. do they run directly to the rudder from there or is
there another pulley or fairlead at the rear used to turn the cable
angle back down?? Thanks in advance Ed G.
-------------------------------------------------------------------------
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Message 11
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ground speed
walt evans
NX140DL
----- Original Message -----
From: Douwe Blumberg
To: pietenpolgroup
Sent: Thursday, March 25, 2010 9:58 AM
Subject: Pietenpol-List: gps speed
<douweblumberg@earthlink.net>
Potentially stupid question but...
Are GPS speeds ground speeds or do they have some way to figure out
your
airspeed?
I'm assuming it can only track you against the ground, but who knows
these
days.
Thanks
Douwe
Message 12
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| Subject: | FAA issues warning about homebuilt Lancairs |
FAA Issues Safety Warning for Homemade Planes
AP
The Federal Aviation Administration warned pilots that the Lancair, which i
s built from kits, and others like it are apt to stall at speeds higher tha
t 61 mph.
*
print<http://www.foxnews.com/us/2010/03/25/faa-issues-safety-warning-homema
de-planes/>
* email<javascript:void(0);>
* share<javascript:void(0);>
* <http://www.foxnews.com/us/2010/03/25/faa-issues-safety-warning-hom
emade-planes/> <http://www.foxnews.com/us/2010/03/25/faa-issues-safety-war
ning-homemade-planes/> recommend (0)
<http://www.foxnews.com/us/2010/03/25/faa-issues-safety-warning-homemade-p
lanes/> <http://www.foxnews.com/us/2010/03/25/faa-issues-safety-warning-h
omemade-planes/>
WASHINGTON -- Federal officials say high-performance homemade planes like t
he one that killed a beach jogger last week in South Carolina are likely to
stall at higher speeds and have been involved in a disproportionately larg
e number of fatal accidents.
The Federal Aviation Administration warned pilots on Thursday that the Lanc
air, which is built from kits, and others like it are apt to stall at speed
s higher that 61 mph. The agency also cautioned that since the planes are b
uilt by amateurs, there can be differences in performance, including at wha
t speed they might stall.
Lancair kits are made by Lancair International Inc. of Redmond, Ore.
Pharmaceutical salesman Robert Gary Jones was killed on a Hilton Head Islan
d beach as the pilot of a Lancair tried to land the plane.
Message 13
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Hi Douwe,
On 03/25/2010 08:58 AM, Douwe Blumberg wrote:
> --> Pietenpol-List message posted by: "Douwe Blumberg"<douweblumberg@earthlink.net>
>
> Potentially stupid question but...
>
> Are GPS speeds ground speeds or do they have some way to figure out your
> airspeed?
>
> I'm assuming it can only track you against the ground, but who knows these
> days.
Not unless there's an ASI hooked up to your GPS unit will it show actual
airspeed - it only shows ground speed.
The hangliding/soaring community has some spiffy handheld
GPS/ASI/barometric devices. They come with a little fan that you stick
out into the slipstream.
Since I'm assuming you're wondering about calibrating your ASI, use this
method to determine the real vs. displayed air speeds.
Get a winds aloft report to determine the direction of the wind, then
fly into the wind for a minute to get an accurate reading. Then using
the same power setting, turn around and fly with the wind for a minute.
Average the 2 speeds and voila! there you have it. You should do it
for at least 3 power settings to see if the difference between real and
indicated is linear or some strange exponential curve.
Cheers,
Dan
--
Dan Yocum
Fermilab 630.840.6509
yocum@fnal.gov, http://fermigrid.fnal.gov
"I fly because it releases my mind from the tyranny of petty things."
Message 14
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| Subject: | Re: Rudder cables |
The cables on 41CC are run in parallel from the rudder bar back to the tail. I
don't remember exactly what happens under the seat but it's pretty simple...
fairleads, I think, and after passing under the seat they diverge with the rudder
cables shooting straight on back to the rudder horns but the tailwheel steering
cables following the lower longerons to those hard molded plastic fairleads
a couple of stations forward of the tailpost, where they dive out the sides
to the steering horns on the tailwheel.
--------
Oscar Zuniga
San Antonio, TX
Air Camper NX41CC
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=291737#291737
Message 15
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| Subject: | Re: FAA issues warning about homebuilt Lancairs |
Thanks for the warning. Should I mark the airspeed indicator with the lower end
of the green arc at 61 MPH now? That's just below cruise speed ;o)
Pretty soon the bureaucrats will be trying to regulate, dictate, mandate, and obfuscate
everything except what their REAL business is and we'll have so many
safety labels, warnings, placards, operating instructions, limitations, decals,
permits, certificates, and other junk all over the airplane that we won't need
any paint on them at all (latex or otherwise).
--------
Oscar Zuniga
San Antonio, TX
Air Camper NX41CC
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=291738#291738
Message 16
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Well if you have a 30 thousand $ stack like this one and know how to fiddle
with all the knobs it will even give you airspeed calibrated for altitude
but on your regular handhelds, no.
Michael in Maine
----- Original Message -----
From: "Douwe Blumberg" <douweblumberg@earthlink.net>
> Are GPS speeds ground speeds or do they have some way to figure out your
> airspeed?
>
> I'm assuming it can only track you against the ground, but who knows these
> days.
Message 17
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| Subject: | Re: FAA issues warning about homebuilt Lancairs |
What does any of this have to do with the incident on the beach?
The AP reported this? Sheesh...
Wayne Bressler Jr.
Taildraggers, Inc.
taildraggersinc.com
On Mar 25, 2010, at 5:33 PM, "Cuy, Michael D. (GRC-RXD0)[ASRC
Aerospace Corporation]" <michael.d.cuy@nasa.gov> wrote:
>
> FAA Issues Safety Warning for Homemade Planes
> AP
> The Federal Aviation Administration warned pilots that the Lancair,
> which is built from kits, and others like it are apt to stall at
> speeds higher that 61 mph.
> print
> email
> share
> <Picture (Device Independent Bitmap) 1.jpg> recommend (0)
> <Picture (Device Independent Bitmap) 2.jpg> <Picture (Device
> Independent Bitmap) 3.jpg> <Picture (Device Independent Bitmap) 4.jpg>
> WASHINGTON -- Federal officials say high-performance homemade planes
> like the one that killed a beach jogger last week in South Carolina
> are likely to stall at higher speeds and have been involved in a
> disproportionately large number of fatal accidents.
> The Federal Aviation Administration warned pilots on Thursday that
> the Lancair, which is built from kits, and others like it are apt to
> stall at speeds higher that 61 mph. The agency also cautioned that
> since the planes are built by amateurs, there can be differences in
> performance, including at what speed they might stall.
> Lancair kits are made by Lancair International Inc. of Redmond, Ore.
> Pharmaceutical salesman Robert Gary Jones was killed on a Hilton
> Head Island beach as the pilot of a Lancair tried to land the plane.
>
>
> <Picture (Device Independent Bitmap) 1.jpg>
> <Picture (Device Independent Bitmap) 2.jpg>
> <Picture (Device Independent Bitmap) 3.jpg>
> <Picture (Device Independent Bitmap) 4.jpg>
Message 18
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| Subject: | Re: Fuselage Update |
So exactly where is this wheel retracted to?
It seems to me it could get pretty funky retracted
to the rear. New meaning to the expression
" crotch rocket" . He! he!
Clif
"There are many tunes still to be written in the Key of C."
Arnold Schoenberg
But Bill, seeing how I like to change things AND NOT do what
others do, I'll have to make my single wheel landing gear retractable,
but no heavier then a single fixed! ( Now I have to machine a crank
handle, gears, shafts...)
.M Perez
Message 19
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| Subject: | Re: Rudder cables |
The important thing is, the tail wheel control arms, at the rudder, must rotate
the same degree as the rudder, IE. same lengths on each arm or you will experience
a very serious problem of tail end control.
Pieti Lowell
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=291767#291767
Message 20
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| Subject: | Re: Fuselage Update |
I was thinking more like it would swing forward and rotate 90 deg. to come
up flush with the fuselage bottom. MAN! You guys have no imagination!
-
Do not archive
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