Today's Message Index:
----------------------
1. 04:33 AM - Re: Re: Hand Brake Pictures (H RULE)
2. 05:49 AM - Re: Gary & Shad's motor mount (shad bell)
3. 06:02 AM - Hand Brake Pictures (Oscar Zuniga)
4. 06:08 AM - Heel brake pedals (Oscar Zuniga)
5. 06:24 AM - Re: Re: OT Nonstandardization pre WWII Now Green planes (Dortch, Steven D MAJ NG NG NGB)
6. 06:33 AM - Re: Heel brake pedals (Dortch, Steven D MAJ NG NG NGB)
7. 07:34 AM - OT Austin area airports/hangers (Oscar Zuniga)
8. 09:35 AM - off topic (walt)
9. 10:02 AM - Re: off topic (TOM STINEMETZE)
10. 10:07 AM - Re: off topic (H RULE)
11. 10:45 AM - Re: off topic (walt)
12. 11:22 AM - Re: off topic (Dortch, Steven D MAJ NG NG NGB)
13. 11:47 AM - Re: off topic (H RULE)
14. 12:00 PM - Re: off topic (walt)
15. 02:11 PM - Re: Hand Brake Pictures (Don Emch)
16. 04:21 PM - Re: off topic (Gene & Tammy)
17. 06:57 PM - Re: Heel brake pedals (Dick N.)
18. 07:02 PM - weight of Poly-Fiber vs. latex (Oscar Zuniga)
19. 08:14 PM - Re: weight of Poly-Fiber vs. latex (jimd)
20. 08:43 PM - Re: Re: weight of Poly-Fiber vs. latex (Rick Holland)
21. 08:52 PM - Re: weight of Poly-Fiber vs. latex (Rick Holland)
Message 1
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| Subject: | Re: Hand Brake Pictures |
I like the brakes as either heal or toe so when I come in for a landing and
accidently activate them the plane comes to a stop sort of like one of tho
se short landing deals.Makes nice ruts in the field as well.Being serious f
or a moment and I know it's hard for me to do that;I really try hard to sta
y away from those things on landing knowing they can put me up on my nose a
nd then I just look silly!=0A=0A=0Ado not archive=0A=0A=0A=0A=0A___________
_____________________=0AFrom: Don Emch <EmchAir@aol.com>=0ATo: pietenpol-li
st@matronics.com=0ASent: Wednesday, February 11, 2009 10:49:07 PM=0ASubject
: Pietenpol-List: Re: Hand Brake Pictures=0A=0A--> Pietenpol-List message p
osted by: "Don Emch" <EmchAir@aol.com>=0A=0AHere is a shot of the drum brak
es...=0A=0ADon E.=0A=0A=0A=0A=0ARead this topic online here:=0A=0Ahttp://fo
rums.matronics.com/viewtopic.php?p=229918#229918=0A=0A=0A=0A=0AAttachment
s: =0A=0Ahttp://forums.matronics.com//files/dscn0864_438.jpg=0A=0A=0A=0A=0A
=============
Message 2
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| Subject: | Re: Gary & Shad's motor mount |
Ryan, I believe Dad made his somewhere in between a William Wynne tray type
and the Piet plans.- He had to weld up 2 of them because the 1st one had
a diagonal interfering with the intake we used.- If you are over 200 lbs
, I would recomend doing some math after the rest of your airplane is finni
shed, painted, and all ready to go minus the engine, then figure out how lo
ng to make the mount.- This will save you from needing any ballast.- I
am 30-40 lbs lighter than dad, and it is set up for him,- I need a little
(15-20 lbs) of ballast in the rear cockpit to go streight and level, hands
off.- Our wing is also slanted back (4 inches I believe) to keep it in C
/G limits.
-
Hope this helps,
Shad=0A=0A=0A
Message 3
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| Subject: | Hand Brake Pictures |
Don=3B looks like you cut your aileron cables a bit short=2C eh?
Oscar Zuniga
Air Camper NX41CC
San Antonio=2C TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 4
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| Subject: | Heel brake pedals |
The wheels and brakes on 41CC are 6.00x6s off an older Cessna 172
(I believe)=2C so I have pretty much all the stopping power I'll ever need
=2C
with only gentle to moderate toe pedal pressure. I like them very much
but I learned to fly in a Cub with expander tube heel brakes and was
taught not to depend on brakes for much so I don't.
Side note to Steve Dortch: I learned to fly=2C and flew my first solo=2C ou
t
of Tims Airpark north of Austin. The airplane rented=2C wet=2C for $8/hr.
Back then=2C it was a sleepy little place with no traffic and a long way
from downtown. We'd fly over to Bird's Nest for some grass practice=2C
I think it was.
Oscar Zuniga
Air Camper NX41CC
San Antonio=2C TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 5
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| Subject: | Re: RE: OT Nonstandardization pre WWII Now Green planes |
I would figure that you bike nuts would have us all flying pedal powered non polluting Pietenpols by now. Pedal powered flight actually began in 1935. I know this for a fact because it is in Wikipedia http://en.wikipedia.org/wiki/Human-powered_aircraft
What is taking y'all so long. Of course I am realistic, I know that both occupants
would have to pedal, at least until you reduce power for cruse.
I know about the Electriflyer and the other electric planes and I have read about
alternative fuels (LPG, hydrogen, solar and nuclear.) They seem to be somewhat
marginal.
Does anyone on the list have any feel for the future of aircraft electric engines
for the next few years? Everyone seeks light weight, but how quickly could
an electric engine be reasonably put on a Piet?
The origional Ford A engine made 40 HP and was a boat anchor in weight. So 40HP
seems to be a minimum. What range is needed for a around the air patch flying?
Most Piet flights are under an hour. Of course you need a 30 min safety reserve.
Remember you have the weight taken out for the engine, accessories, fuel
system and fuel. What is the total weight of these systems that could be used
for engine/batteries? If you don't take people flying, the front passenger hole
is covered that area/weight (180LBs) could also be added to the total weight
of an electric system.
At my airport is a guy who builds electric cars. He even converts regular cars
to total electric. He has a Porshe 911 and a Jeep converted. Granted they are
only for around town (20-30 Mile range) but they are drivable and work. He has
built a really sporty trike with 2 front wheels, it is pretty quick and has better
range. All for about 1/5 the cost per mile of gas powered engines for electricity.
He has a kit built LSA (4stroke Rotax powered). I will ask him this
question if I see him.
Blue (or should I say Green) Skies
Steve D
PS I am not a hippie who is ready to wear hemp clothes and eat tofu. I just think
that we will be moving away from fossil fuels and wonder how soon it will be
practical. In other words, I am willing to go electric, but don't think you
can replace my 14 MPG 89 Suburban (I actually own two Suburbans, and two 30+MPG
Toyota cars.) with an electric Yugo. Give me a reasonable option.
----- Original Message -----
From: mike <bike.mike@comcast.net>
Subject: RE: Pietenpol-List: Heel brake pedals OT Nonstandardization pre WWII
>
> When I push with either foot on my bicycle, it goes forward.
>
> -----Original Message-----
> From: owner-pietenpol-list-server@matronics.com
> [mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Dortch,
> Steven D MAJ NG NG NGB
> Sent: Wednesday, February 11, 2009 6:38 PM
> To: pietenpol-list@matronics.com
> Subject: Re: Pietenpol-List: Heel brake pedals OT Nonstandardization pre
> WWII
>
> --> <
>
> Along with nonstandardization of brakes were several things we take for
> granted. IE
>
> Push with your right foot to go right, Push with the left to go left. Some
> planes were rigged like a Bicycle, push with your right to go left (steer
> left to go left) Etc
>
> Push throttle to go fast Vs Pull throttle to go fast ( Pre WWII French I
> think)
>
> Wing warping and using your hips to steer (Wright Brothers)
>
> I sure like some standardization
>
> Blue Skies
> Steve D
>
> [snip]
>
>
>
>
>
>
Message 6
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| Subject: | Re: Heel brake pedals |
Just a note. One popular modification on Stearmans was to replace the effective
brakes with brakes from a Willys jeep. You could lock the origional brakes and
put the plane on it's nose ruining a prop and engine. The jeep brakes were much
less effective and as a result reduced the chance to put the plane on it's
nose. Anyone who had had an older jeep will testify to the poor brakes.
Oscar, I have 4 months before I have to move. If I throw your name around Austin
will that help or hurt my efforts to find a hanger/airport home? For the forseeable
future I will stay at 8T8. I have a great hanger and it is about 2 hours
drive from Austin. That gives me the ability to find a good hanger/airport.
Having the A/C and heated office to sleep in helps.
Blue Skies,
Steve D
----- Original Message -----
From: Oscar Zuniga <taildrags@hotmail.com>
Subject: Pietenpol-List: Heel brake pedals
>
> The wheels and brakes on 41CC are 6.00x6s off an older Cessna 172
>
> (I believe), so I have pretty much all the stopping power I'll
> ever need,
>
> with only gentle to moderate toe pedal pressure. I like them very
> much
> but I learned to fly in a Cub with expander tube heel brakes and was
>
> taught not to depend on brakes for much so I don't.
>
>
>
> Side note to Steve Dortch: I learned to fly, and flew my first
> solo, out
>
> of Tims Airpark north of Austin. The airplane rented, wet, for $8/hr.
>
> Back then, it was a sleepy little place with no traffic and a long way
>
> from downtown. We'd fly over to Bird's Nest for some grass practice,
>
> I think it was.
>
>
>
> Oscar Zuniga
>
> Air Camper NX41CC
>
> San Antonio, TX
>
> mailto: taildrags@hotmail.com
>
> website at http://www.flysquirrel.net
>
>
Message 7
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| Subject: | OT Austin area airports/hangers |
Steve=3B
If you throw my name around the Austin area and include fifty cents=2C
you'll be able to buy a cup of coffee. Cream and sugar will be extra thoug
h.
My name is pretty much meaningless in Austin=2C and only marginally better
anywhere else=2C including around my house =3Bo) However=2C there is a guy
name of Eric Overton in Austin=2C who is building a WWI biplane replica
with Corvair power and he might be of some help to you.
contact@overtonphoto.com
Oscar Zuniga
Air Camper NX41CC
San Antonio=2C TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 8
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A friend sent me this link.
1909 film of the Wright Bros flying. Even "in flight" film.
I never saw it before. Very interesting.
If you don't want to watch it,,,delete this.
http://www.europafilmtreasures.eu/PY/322/see-the-film-wilbur_wright_and_h
is_flying_machine
do not archive
walt evans
NX140DL
Message 9
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> http://www.europafilmtreasures.eu/PY/322/see-the-film-wilbur_wright_and_h
is_flying_machine
> walt evans
> NX140DL
Walt:
What a great bit of historic film. I don't believe that I've ever seen
that before either.
Can you imagine what the camara and mount must have looked like (and
weighed?) No digital
DVR cameras back then.
Tom Stinemetze
McPherson, KS.
do not archive
Message 10
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That's excellent footage;I remember when looking through the youtube flight
s of the Wright plane I saw one of their flights where they had covered the
surfaces of the plane with foil.Really weard watching the plane fade in an
d out.Somewhat of an early cloaking method.What they they were trying to do
was enjoy their flight without anybody seeing their contraption as it was
called back then.They were trying to keep it a secret.The flights were made
in Ohio.If you browse through them you may come across it.=0A=0Ado not arc
hive=0A=0A=0A=0A=0A________________________________=0AFrom: walt <waltdak@v
erizon.net>=0ATo: pietenpol-list@matronics.com; Fishnet@topica.com=0ASent:
Thursday, February 12, 2009 12:32:43 PM=0ASubject: Pietenpol-List: off topi
c=0A=0A=0AA friend sent me this link.=0A1909 film of the Wright Bros flying
. Even "in flight" film.=0AI never saw it before. Very interesting.=0A-
=0AIf you don't want to watch it,,,delete this.=0A-=0Ahttp://www.europafi
lmtreasures.eu/PY/322/see-the-film-wilbur_wright_and_his_flying_machine=0A
-=0A-=0A-=0Ado not archive=0A-=0A-=0A-=0Awalt evans=0ANX140DL
======================
Message 11
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Tom,
Just before the flight, you can see the camera and Photographer in the
plane
walt evans
NX140DL
----- Original Message -----
From: TOM STINEMETZE
To: pietenpol-list@matronics.com
Sent: Thursday, February 12, 2009 12:56 PM
Subject: Re: Pietenpol-List: off topic
>
http://www.europafilmtreasures.eu/PY/322/see-the-film-wilbur_wright_and_h
is_flying_machine
> walt evans
> NX140DL
Walt:
What a great bit of historic film. I don't believe that I've ever
seen that before either.
Can you imagine what the camara and mount must have looked like (and
weighed?) No digital
DVR cameras back then.
Tom Stinemetze
McPherson, KS.
do not archive
Message 12
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Great footage. Do you think the string in the middle of his elevator was for slip?
Steve D
----- Original Message -----
From: walt <waltdak@verizon.net>
Subject: Pietenpol-List: off topic
> A friend sent me this link.
> 1909 film of the Wright Bros flying. Even "in flight" film.
> I never saw it before. Very interesting.
>
> If you don't want to watch it,,,delete this.
>
> http://www.europafilmtreasures.eu/PY/322/see-the-film-
> wilbur_wright_and_his_flying_machine
>
>
> do not archive
>
>
>
> walt evans
> NX140DL
>
Message 13
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|
yes,that's exactly what it was for;they knew of such things even from their
gliding days.=0A=0A=0A=0A=0A________________________________=0AFrom: "Dort
ch, Steven D MAJ NG NG NGB" <steven.d.dortch@us.army.mil>=0ATo: pietenpol-l
ist@matronics.com=0ASent: Thursday, February 12, 2009 2:22:12 PM=0ASubject:
Dortch, Steven D MAJ NG NG NGB" <steven.d.dortch@us.army.mil>=0A=0AGreat fo
otage. Do you think the string in the middle of his elevator was for slip?
=0A=0ASteve D=0A=0A=0A----- Original Message -----=0AFrom: walt <waltdak@ve
rizon.net>=0ADate: Thursday, February 12, 2009 11:52=0ASubject: Pietenpol-L
ist: off topic=0ATo: pietenpol-list@matronics.com, Fishnet@topica.com=0A=0A
=0A> A friend sent me this link.=0A> 1909 film of the Wright Bros flying. E
ven "in flight" film.=0A> I never saw it before. Very interesting.=0A> =0A>
If you don't want to watch it,,,delete this.=0A> =0A> http://www.europafil
mtreasures.eu/PY/322/see-the-film-=0A> wilbur_wright_and_his_flying_machine
=0A> =0A> =0A> do not archive=0A> =0A> =0A> =0A> walt evans=0A> NX140DL=0A>
================
Message 14
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Yeah, it looks that way
walt evans
NX140DL
----- Original Message -----
From: "Dortch, Steven D MAJ NG NG NGB" <steven.d.dortch@us.army.mil>
Sent: Thursday, February 12, 2009 2:22 PM
Subject: Re: Pietenpol-List: off topic
> <steven.d.dortch@us.army.mil>
>
> Great footage. Do you think the string in the middle of his elevator was
> for slip?
>
> Steve D
>
>
> ----- Original Message -----
> From: walt <waltdak@verizon.net>
> Date: Thursday, February 12, 2009 11:52
> Subject: Pietenpol-List: off topic
> To: pietenpol-list@matronics.com, Fishnet@topica.com
>
>
>> A friend sent me this link.
>> 1909 film of the Wright Bros flying. Even "in flight" film.
>> I never saw it before. Very interesting.
>>
>> If you don't want to watch it,,,delete this.
>>
>> http://www.europafilmtreasures.eu/PY/322/see-the-film-
>> wilbur_wright_and_his_flying_machine
>>
>>
>> do not archive
>>
>>
>>
>> walt evans
>> NX140DL
>>
>
>
>
Message 15
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| Subject: | Re: Hand Brake Pictures |
Good eye Oscar!
No, It's a really long story but I had a hangar collapse on the plane so I had
to pull the wings off and take it home and do some rebuilding. When I did that,
in order to pull the cables through the center section they couldn't have the
turnbuckle ends on them so I cut the cables. When it came time to put the
wings back on the simple answer was to just thread them back through the center
section and add a little length to the cable from where I cut them. Someday
I'll make new cables but since I love to talk Pietenpols it's kinda fun to leave
it that way so people ask about it and strike up some Piet conversation!
Come to think of it, Oscar you know a little about rebuilding these things too!
Don Emch
NX899DE
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=230020#230020
Message 16
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Thanks Walt. Couldn't have been better timing. I'm just finishing up
"The First to Fly" Aviation's Pioneer Days, by Sherwood Harris. An
outstanding book made better with the film.
Gene
----- Original Message -----
From: walt
To: pietenpol-list@matronics.com ; Fishnet@topica.com
Sent: Thursday, February 12, 2009 11:32 AM
Subject: Pietenpol-List: off topic
A friend sent me this link.
1909 film of the Wright Bros flying. Even "in flight" film.
I never saw it before. Very interesting.
If you don't want to watch it,,,delete this.
http://www.europafilmtreasures.eu/PY/322/see-the-film-wilbur_wright_and_h
is_flying_machine
do not archive
walt evans
NX140DL
-------------------------------------------------------------------------
-----
Checked by AVG.
2/12/2009 11:34 AM
Message 17
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| Subject: | Re: Heel brake pedals |
I am running Harley wheels and brakes on both Piet's. The new one has
Harley calipers also. I can hold brakes to full run up power. I have a
single brake grip on the stick. I just have to remember not to apply
brakes to hard at fast taxi. I'm afraid it might give me a nose over.
I fully agree with Mike's post, lots of caution to stay out of those
dangerous situations
Dick N.
----- Original Message -----
From: Phillips, Jack
To: pietenpol-list@matronics.com
Sent: Wednesday, February 11, 2009 8:11 AM
Subject: RE: Pietenpol-List: Heel brake pedals
Did you ever notice historically that airplanes quit using big spoked
wheels at about the same time they started using brakes? It takes A LOT
of braking torque to stop a big wheel. I've got 8" Cleveland hydraulic
brakes on my Pietenpol, with 21" wheels. The brakes are adequate to
hold it for a run-up, but won't quite hold it still at full power. If I
get on the brakes HARD right after touchdown, it still takes a couple
hundred feet to stop the airplane. I don't know that you would find
much difference between mechanical or hydraulic brakes. I've flown Mike
Cuy's Pietenpol, and he has 19" wheels with mechanical brakes, with
about the same effectiveness as mine. They are useful for a run-up and
for taxiing and turning tight corners. Really, they are perfectly
adequate, but nothing like you get with small wheels.
Whatever you use, drum or disc, use the biggest drum or disc you can
find. Look at the size of the disc on a Harley. I'll bet those discs
are 12" in diameter, and they get excellent stopping power on a vehicle
that weighs about what a Pietenpol does (or less)
Jack Phillips
NX899JP
-------------------------------------------------------------------------
-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Oscar
Zuniga
Sent: Wednesday, February 11, 2009 8:58 AM
To: Pietenpol List
Subject: Pietenpol-List: Heel brake pedals
Is my reasoning going soft, or will different types of brakes
work differently with spoked motorcycle-style wheels as
opposed to smaller wheels and tires? It would seem like a
mechanical drum brake would work well with motorcycle
style wheels.
Oscar Zuniga
Air Camper NX41CC
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
http://www.matronics.com/Navigator?Pietenpol-Listhttp://forums.matronics.
comhttp://www.matronics.com/contribution
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Message 18
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| Subject: | weight of Poly-Fiber vs. latex |
Pieters=3B
I have conducted a test to determine the relative weights
of conventional Poly-Fiber finishes as compared with latex
house paint. The complete test methodology=2C data=2C photos=2C
and conclusions are posted on my website at
http://www.flysquirrel.net/piets/paint/paint.html
but here are the highlights:
1. Finishing an Air Camper through silver will add about
17 lbs. to the airplane as compared to bare fabric.
2. Finishing an Air Camper through color coats with Poly-Tone
will add about 27 lbs. to the airplane as compared to bare fabric.
3. Finishing an Air Camper using latex house paint to the
thickness recommended on the paint can will add about 15 lbs.
to the airplane as compared to bare fabric ***BUT*** if you
apply it to the thickness that I recommend for proper UV
protection=2C it will be about the same weight as Poly-Fiber
finishes through color coat.
I was quite surprised at how soft and pliable the latex-painted
fabric ended up compared with the Poly-Fiber finishes=2C and if
you like your fabric to be nice and drum-tight=2C you won't get it
with latex. However=2C it should be just as strong and have just
as long a life (the underlying fabric is exactly the same)... at
lower cost and with little or no fumes or cleanup mess.
Let the flaming begin.
Oscar Zuniga
Air Camper NX41CC
San Antonio=2C TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 19
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| Subject: | Re: weight of Poly-Fiber vs. latex |
Hi Oscar,
Don't have anything to flame you about, I also am using Valspar latex. It complements
Stewart Systems EkoBond fabric cement very well. You have to kind of push
the latex through the fabric though to be sure and get it really bonded.
Stewart Systems uses a latex based stuff they call EkoFill (as a base for their
waterborne polyurethane), which has something like carbon black in it to block
UV. However the Valspar works well, and most the Latex paints have had far more
testing than any other type of paint, as there is such a huge market for house
paint.
My project came with a few gallons of each of the Stits Polyfiber paint supplies,
but I didn't have the wings ready to use them and they have about a two year
expiration date on them and some of mine were twice that when I got them and
old enough now not to trust them at all.
The fabric cement is not that expensive (about $130 a gallon, think one will do
my biplane wings). Had fabric already and other supplies, but when I ran the
numbers for getting new Stits materials, or new Stewart Systems or doing a mix
of it with Latex it came out about $2500 for Stits, about $1800-2000 for Stewart
Systems, or I could use EkoBond and Latex for about $400. The suprising thing
to me about it the costs was that so much of it was for the pinked fabric
tape, that stuff is expensive and you need it in a number of sizes.
Anyway, keep at it, I will be doing some experimenting well before I put most the
paint on my plane. I have been finishing it through primer and then moving
on so far. Can't leave it with the Ekobond and fabric as it is just tacky enough
to gather dust from everywhere, but the primer doesn't attract dust very much.
Jim
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=230052#230052
Message 20
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| Subject: | Re: weight of Poly-Fiber vs. latex |
I am going to do the same, Stuart fabric cement and latex paint. May even
try painting my aluminum cowling and turtle deck parts with the stuff (the
guy at Sherwin Williams said it should work).
Rick
On Thu, Feb 12, 2009 at 9:14 PM, jimd <jlducey@hotmail.com> wrote:
>
> Hi Oscar,
>
> Don't have anything to flame you about, I also am using Valspar latex. It
> complements Stewart Systems EkoBond fabric cement very well. You have to
> kind of push the latex through the fabric though to be sure and get it
> really bonded.
>
> Stewart Systems uses a latex based stuff they call EkoFill (as a base for
> their waterborne polyurethane), which has something like carbon black in it
> to block UV. However the Valspar works well, and most the Latex paints have
> had far more testing than any other type of paint, as there is such a huge
> market for house paint.
>
> My project came with a few gallons of each of the Stits Polyfiber paint
> supplies, but I didn't have the wings ready to use them and they have about
> a two year expiration date on them and some of mine were twice that when I
> got them and old enough now not to trust them at all.
>
> The fabric cement is not that expensive (about $130 a gallon, think one
> will do my biplane wings). Had fabric already and other supplies, but when I
> ran the numbers for getting new Stits materials, or new Stewart Systems or
> doing a mix of it with Latex it came out about $2500 for Stits, about
> $1800-2000 for Stewart Systems, or I could use EkoBond and Latex for about
> $400. The suprising thing to me about it the costs was that so much of it
> was for the pinked fabric tape, that stuff is expensive and you need it in a
> number of sizes.
>
> Anyway, keep at it, I will be doing some experimenting well before I put
> most the paint on my plane. I have been finishing it through primer and then
> moving on so far. Can't leave it with the Ekobond and fabric as it is just
> tacky enough to gather dust from everywhere, but the primer doesn't attract
> dust very much.
>
> Jim
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=230052#230052
>
>
--
Rick Holland
Castle Rock, Colorado
Message 21
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| Subject: | Re: weight of Poly-Fiber vs. latex |
Nice work Oscar. I wanted to do this exact comparison test but was always
too cheap to buy all five or six of the polyfiber components just to cover a
two square foot test frame. Your results came out about where I would have
guessed.
Rick
On Thu, Feb 12, 2009 at 8:00 PM, Oscar Zuniga <taildrags@hotmail.com> wrote:
> Pieters;
>
> I have conducted a test to determine the relative weights
> of conventional Poly-Fiber finishes as compared with latex
> house paint. The complete test methodology, data, photos,
> and conclusions are posted on my website at
> http://www.flysquirrel.net/piets/paint/paint.html
> but here are the highlights:
>
> 1. Finishing an Air Camper through silver will add about
> 17 lbs. to the airplane as compared to bare fabric.
>
> 2. Finishing an Air Camper through color coats with Poly-Tone
> will add about 27 lbs. to the airplane as compared to bare fabric.
>
> 3. Finishing an Air Camper using latex house paint to the
> thickness recommended on the paint can will add about 15 lbs.
> to the airplane as compared to bare fabric ***BUT*** if you
> apply it to the thickness that I recommend for proper UV
> protection, it will be about the same weight as Poly-Fiber
> finishes through color coat.
>
> I was quite surprised at how soft and pliable the latex-painted
> fabric ended up compared with the Poly-Fiber finishes, and if
> you like your fabric to be nice and drum-tight, you won't get it
> with latex. However, it should be just as strong and have just
> as long a life (the underlying fabric is exactly the same)... at
> lower cost and with little or no fumes or cleanup mess.
>
> Let the flaming begin.
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
> *
>
> *
>
>
--
Rick Holland
Castle Rock, Colorado
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