Today's Message Index:
----------------------
1. 02:03 AM - Re: Pitot tubing pressure (Benford2@aol.com)
2. 02:34 AM - Re: Pressure PSI for Pitot Tube... (Bryan Martin)
3. 05:07 AM - ch2000 (Dirk Andrepont)
4. 05:46 AM - Re: Roto Zip (daddybob)
5. 05:47 AM - Re: Local Builder? (david@davidwitt.com)
6. 06:04 AM - is there a searchable website of any kind (was Roto Zip) (Randall Stout)
7. 08:11 AM - Re: Pressure PSI for Pitot Tube... (HINDE,FRANK (HP-Corvallis,ex1))
8. 08:47 AM - Re: Local Builder? (Gary Gower)
9. 08:50 AM - Re: Roto-Zip to cut thin AL sheet? (Ihab Awad)
10. 04:24 PM - Generic aluminum welding question (ZSMITH3rd@aol.com)
11. 04:45 PM - Re: Generic aluminum welding question (Pinneo, George)
12. 06:32 PM - Re: Generic aluminum welding question (Larry C. McFarland)
13. 08:52 PM - Re: Local Builder? (Matthew Mucker)
14. 08:54 PM - Re: Local Builder? (Matthew Mucker)
Message 1
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| Subject: | Re: Pitot tubing pressure |
--> Zenith-List message posted by: Benford2@aol.com
In a message dated 3/6/2003 2:52:53 AM Mountain Standard Time,
zenith-list-digest@matronics.com writes:
>
>
> Time: 09:33:35 PM PST US
> Subject: Zenith-List: Pressure PSI for Pitot Tube...
> From: "Don Honabach" <don@pcperfect.com>
>
> --> Zenith-List message posted by: "Don Honabach" <don@pcperfect.com>
>
> Hey Everyone,
>
> I'm thinking about using some quick disconnect valves on the outboard
> wing section for the Pitot tube, but I'm not sure how well they'll hold
> up to the ram air pressure and was going to do a quick pressure test.
> Does any one know the typical PSI that the pitot tube is exposed to?
>
>
There are some charts floating around on the net showing pitot pressures for
givin airspeeds. It's something like .16 for 20 mph, .25 for 50 mph and 200
mph is less then 1 PSI. If I can find the site where this info is I will post
the link. Ben Haas.N801BH.
Message 2
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| Subject: | Re: Pressure PSI for Pitot Tube... |
--> Zenith-List message posted by: Bryan Martin <bryanmmartin@comcast.net>
> --> Zenith-List message posted by: "Don Honabach" <don@pcperfect.com>
>
> Hey Everyone,
>
> I'm thinking about using some quick disconnect valves on the outboard
> wing section for the Pitot tube, but I'm not sure how well they'll hold
> up to the ram air pressure and was going to do a quick pressure test.
> Does any one know the typical PSI that the pitot tube is exposed to?
>
The pitot pressure at 150mph is slightly less than 0.4psi. See:
http://www.rst-engr.com/rst/magazine/KP89JUL.pdf for an article on how to
calibrate an asi at home.
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
Airframe construction complete.
Working on instrument panel, electrical and interior.
do not archive.
Message 3
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--> Zenith-List message posted by: "Dirk Andrepont" <dandrepont@charter.net>
Phil,
The CH2000 is a great trainer isn't it?? I have not flown a 601 so do
not know how to compare, but I bought a ch2000 to put on leaseback with
a local Part 141 school. I had not flown in 6 months when I finally got
around to taking my checkride in it & greased the the landings.
Dirk Andrepont, RPh 801 builder
Opelousas, La
www.medicineshoppe.com
www.mosthigh.com
DO NOT ARCHIVE
Message 4
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--> Zenith-List message posted by: daddybob <daddybob52954@yahoo.com>
A Roto Zip type tool (there are other brands that are
better quality) can be used effectively to cut many
types of sheetmetal but only where no other tool will
either reach or yield the desired shape and flatness
of cut. It requires a lot of control, as someone has
already pointed out. Cutting metal with it bears
little resemblance to cutting sheetrock with it. The
bits are expensive and break easily. Buying expensive
carbide bits can be even more costly because they are
very brittle and break really easy. Carbide bits
require real concentration on control. These tools are
definitely nice to have around when nothing else will
work for a difficult cut, but they won't substitute
for more production oriented tools. My employees
usually groan at the thought of using it, and if I
want to shake good ideas out of them as to how to
handle a problem cutting situation, all I have to do
is say "use the roto-zip", then they will scramble to
come up with something else. DB
PS- is there a searchable website or any kind of
archive for this group? I've been lurking here for a
while now and you guys are putting out a wealth of
info that should not be lost.
http://taxes.yahoo.com/
Message 5
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--> Zenith-List message posted by: david@davidwitt.com
Matt,
I'd like to add myself to your builder list but since I am in Canada there is
now way to do this. Could you set it up so that we can optionally enter the LAT
and LONG. I'm sure most builders outside the USA could figure this out and it
would allow us to get into the database.
Dave
Quoting Matthew Mucker <matthew@mucker.net>:
> --> Zenith-List message posted by: "Matthew Mucker"
> <matthew@mucker.net>
>
> Why, Thomas, that's an EXCELLENT use for my homebuilder's directory!
>
> Everyone head over and sign yourself in, so that when Thomas goes to
> http://www.matthewmucker.com/builder_directory.asp
>
> There are currently 113 builders registered. Are YOU one of them? If
> not, go
> sign up RIGHT NOW!
>
>
> -Matt
>
> > -----Original Message-----
> > From: owner-zenith-list-server@matronics.com
> > [mailto:owner-zenith-list-server@matronics.com]On Behalf Of thomas
> > hobbes
> > Sent: Wednesday, March 05, 2003 8:35 PM
> > To: zenith-list@matronics.com
> > Subject: Zenith-List: Local Builder?
> >
> >
> > --> Zenith-List message posted by: thomas hobbes
> > <doublecheckvalve@yahoo.com>
> >
> > Any builders near Ft. Rucker, Alabama? Ok, well
> > then, who's the nearEST builder, and I'll just
> > have to make a weekend of it?
>
>
>
>
>
>
>
Message 6
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| Subject: | is there a searchable website of any kind (was Roto Zip) |
--> Zenith-List message posted by: "Randall Stout" <r5t0ut@earthlink.net>
Yes there is. Scroll down to the bottom of any message from this list
(including this one and the one you just sent). It has links to :
UN/SUBSCRIBE
FAQ
Search Engine
7-Day Browse
Browse Digests
Archives
Photo Share
Other Lists
Contributions
Randy Stout - San Antonio TX
CH601HD N282RS
r5t0ut@earthlink.net
http://www.geocities.com/r5t0ut21
do not archive
----- Original Message -----
From: "daddybob" <daddybob52954@yahoo.com>
Subject: Zenith-List: Re: Roto Zip
> PS- is there a searchable website or any kind of
> archive for this group? I've been lurking here for a
> while now and you guys are putting out a wealth of
> info that should not be lost.
>
> http://taxes.yahoo.com/
Message 7
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| Subject: | Pressure PSI for Pitot Tube... |
--> Zenith-List message posted by: "HINDE,FRANK (HP-Corvallis,ex1)" <frank.hinde@hp.com>
Don't bother Don,
Just use a push on soft pvc tube or similar. Pressure is almost nothing,
which I why they tell you not to blow down the end of the ASI 'cos you'll
wreck the instrument.
Frank
-----Original Message-----
From: Don Honabach [mailto:don@pcperfect.com]
Subject: Zenith-List: Pressure PSI for Pitot Tube...
--> Zenith-List message posted by: "Don Honabach" <don@pcperfect.com>
Hey Everyone,
I'm thinking about using some quick disconnect valves on the outboard wing
section for the Pitot tube, but I'm not sure how well they'll hold up to the
ram air pressure and was going to do a quick pressure test. Does any one
know the typical PSI that the pitot tube is exposed to?
Thanks!
Don Honabach
Tempe, AZ
601HDS
http://zodiac.pcperfect.com
advertising on the Matronics Forums.
Share: Share photos & files with other List members.
Message 8
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--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
Hello Matt,
I dont know anything about web pages, but for all of us, foreign
builders, I thing a second page with a list by country will do the job
until something "automatic" is available.
Could be linked with a "mouse sensitive" note to your actual directory
page.
Thank you for all your work.
Saludos
Gary Gower
701 912S
Guadalajara, Jalisco, Mexico
--- david@davidwitt.com wrote:
> --> Zenith-List message posted by: david@davidwitt.com
>
> Matt,
>
> I'd like to add myself to your builder list but since I am in Canada
> there is
> now way to do this. Could you set it up so that we can optionally
> enter the LAT
> and LONG. I'm sure most builders outside the USA could figure this
> out and it
> would allow us to get into the database.
>
> Dave
>
> Quoting Matthew Mucker <matthew@mucker.net>:
>
> > --> Zenith-List message posted by: "Matthew Mucker"
> > <matthew@mucker.net>
> >
> > Why, Thomas, that's an EXCELLENT use for my homebuilder's
> directory!
> >
> > Everyone head over and sign yourself in, so that when Thomas goes
> to
> > http://www.matthewmucker.com/builder_directory.asp
> >
> > There are currently 113 builders registered. Are YOU one of them?
> If
> > not, go
> > sign up RIGHT NOW!
> >
> >
> > -Matt
> >
> > > -----Original Message-----
> > > From: owner-zenith-list-server@matronics.com
> > > [mailto:owner-zenith-list-server@matronics.com]On Behalf Of
> thomas
> > > hobbes
> > > Sent: Wednesday, March 05, 2003 8:35 PM
> > > To: zenith-list@matronics.com
> > > Subject: Zenith-List: Local Builder?
> > >
> > >
> > > --> Zenith-List message posted by: thomas hobbes
> > > <doublecheckvalve@yahoo.com>
> > >
> > > Any builders near Ft. Rucker, Alabama? Ok, well
> > > then, who's the nearEST builder, and I'll just
> > > have to make a weekend of it?
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
>
>
>
>
http://taxes.yahoo.com/
Message 9
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| Subject: | Re: Roto-Zip to cut thin AL sheet? |
--> Zenith-List message posted by: Ihab Awad <ihab@ahc.umn.edu>
Thanks to all who answered. The concensus seems to be that Roto-Zips are
useful, but are not to be considered a low-cost alternative to the excellent
line of Industrial Light Sabers sold by Jedi Tool and Die. };-> Peace, -- I
DO NOT ARCHIVE
Message 10
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| Subject: | Generic aluminum welding question |
--> Zenith-List message posted by: ZSMITH3rd@aol.com
Okay, Gentlemen, who wants to jump on this: Recently I read in some
aircraft-related publication ( can't find it now ) an article about welding
aluminum. The author mentioned some specific welding equipment and
processes. There also was the mention of the TYPICAL amount of current
required per each 0.010" thickness of the aluminum sheet when fabricating
fuel tanks and the like. As I recall, the amperage values were very small as
compared to those used welding steel, naturally the electrodes were of a
small diameter, and without the missing publication I am, hat in hand, at
your mercy.
I'm told aluminum is easy to weld, but that without proper equipment I'd just
be wasting my time trying to learn.
Anyone want to offer a suggestion as to what is the "best" TIG/MIG rig for
aircraft-quality work?
Thanks
Zed Smith
701/R912 Northeast Texas
do not archive
Message 11
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| Subject: | Generic aluminum welding question |
--> Zenith-List message posted by: "Pinneo, George" <George.Pinneo@trw.com>
I'd want to Heli-arc weld it as I did on my 601 HDS. It takes more heat to weld
aluminum because it's so conductive the heat runs away from the source. Steels
hold heat nicely. Learning to weld aluminum is a lot tougher than steel or
stainless steel!!
GGP
Message 12
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| Subject: | Re: Generic aluminum welding question |
--> Zenith-List message posted by: "Larry C. McFarland" <larrymc@qconline.com>
Subject: Zenith-List: Generic aluminum welding question
> --> Zenith-List message posted by: ZSMITH3rd@aol.com
>
> Okay, Gentlemen, who wants to jump on this: Recently I read in some
> aircraft-related publication ( can't find it now ) an article about
welding
> aluminum. The author mentioned some specific welding equipment and
> processes. There also was the mention of the TYPICAL amount of current
> required per each 0.010" thickness of the aluminum sheet when fabricating
> fuel tanks and the like. As I recall, the amperage values were very small
as
> compared to those used welding steel, naturally the electrodes were of a
> small diameter, and without the missing publication I am, hat in hand, at
> your mercy.
> I'm told aluminum is easy to weld, but that without proper equipment I'd
just
> be wasting my time trying to learn.
> Anyone want to offer a suggestion as to what is the "best" TIG/MIG rig
for
> aircraft-quality work?
>
> Thanks
> Zed Smith
> 701/R912 Northeast Texas
> do not archive
Zed,
Welding aluminum is a lot of fun after you get into TIG and practice. If
you're
going to make tanks, I'd recommend .040 to .050 minimum 5052-H32, 50-60 amps
on a Miller with a TIG built into it. I spent about $1300 in all, but that
was 5 years
ago. Smaller units have been offered since. Argon and a foot feed are
necessary
and there are lots of books on the subject to get the rest of the guidance.
Too much to elaborate on here, but my journal has the process and what I
learned
the long way to both wing tanks and later the header tank. Photos show some
of the
forms etc.
Good luck
Larry C. McFarland - 601hds @ http://www.macsmachine.com
Message 13
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--> Zenith-List message posted by: "Matthew Mucker" <matthew@mucker.net>
David,
That's a good question.
I'll have to review the code for the web page and the design of the
database. Despite the fact that I wrote the stuff only a couple months ago,
I'm not sure right now.
I have midterms next week so I won't be able to do anything until next
Friday at the earliest, and I think my girlfriend is going to demand that I
spend time with her before I update the website.
But still, a very good question. Remind me in a week or so!
-Matt
do not archive
> -----Original Message-----
> From: owner-zenith-list-server@matronics.com
> [mailto:owner-zenith-list-server@matronics.com]On Behalf Of
> david@davidwitt.com
> Sent: Thursday, March 06, 2003 7:47 AM
> To: zenith-list@matronics.com
> Subject: RE: Zenith-List: Local Builder?
>
>
> --> Zenith-List message posted by: david@davidwitt.com
>
> Matt,
>
> I'd like to add myself to your builder list but since I am in
> Canada there is
> now way to do this. Could you set it up so that we can
> optionally enter the LAT
> and LONG. I'm sure most builders outside the USA could figure
> this out and it
> would allow us to get into the database.
>
> Dave
>
> Quoting Matthew Mucker <matthew@mucker.net>:
>
> > --> Zenith-List message posted by: "Matthew Mucker"
> > <matthew@mucker.net>
> >
> > Why, Thomas, that's an EXCELLENT use for my homebuilder's directory!
> >
> > Everyone head over and sign yourself in, so that when Thomas goes to
> > http://www.matthewmucker.com/builder_directory.asp
> >
> > There are currently 113 builders registered. Are YOU one of them? If
> > not, go
> > sign up RIGHT NOW!
> >
> >
> > -Matt
> >
> > > -----Original Message-----
> > > From: owner-zenith-list-server@matronics.com
> > > [mailto:owner-zenith-list-server@matronics.com]On Behalf Of thomas
> > > hobbes
> > > Sent: Wednesday, March 05, 2003 8:35 PM
> > > To: zenith-list@matronics.com
> > > Subject: Zenith-List: Local Builder?
> > >
> > >
> > > --> Zenith-List message posted by: thomas hobbes
> > > <doublecheckvalve@yahoo.com>
> > >
> > > Any builders near Ft. Rucker, Alabama? Ok, well
> > > then, who's the nearEST builder, and I'll just
> > > have to make a weekend of it?
> >
> >
> >
> >
> >
> >
> >
>
>
Message 14
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--> Zenith-List message posted by: "Matthew Mucker" <matthew@mucker.net>
Another good suggestion!
And one that must also wait until next week's exams are over.
-Matt
do not archive
> -----Original Message-----
> From: owner-zenith-list-server@matronics.com
> [mailto:owner-zenith-list-server@matronics.com]On Behalf Of Gary Gower
> Sent: Thursday, March 06, 2003 10:47 AM
> To: zenith-list@matronics.com
> Subject: RE: Zenith-List: Local Builder?
>
>
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> Hello Matt,
>
> I dont know anything about web pages, but for all of us, foreign
> builders, I thing a second page with a list by country will do the job
> until something "automatic" is available.
>
> Could be linked with a "mouse sensitive" note to your actual directory
> page.
>
> Thank you for all your work.
>
> Saludos
> Gary Gower
> 701 912S
> Guadalajara, Jalisco, Mexico
>
> --- david@davidwitt.com wrote:
> > --> Zenith-List message posted by: david@davidwitt.com
> >
> > Matt,
> >
> > I'd like to add myself to your builder list but since I am in Canada
> > there is
> > now way to do this. Could you set it up so that we can optionally
> > enter the LAT
> > and LONG. I'm sure most builders outside the USA could figure this
> > out and it
> > would allow us to get into the database.
> >
> > Dave
> >
> > Quoting Matthew Mucker <matthew@mucker.net>:
> >
> > > --> Zenith-List message posted by: "Matthew Mucker"
> > > <matthew@mucker.net>
> > >
> > > Why, Thomas, that's an EXCELLENT use for my homebuilder's
> > directory!
> > >
> > > Everyone head over and sign yourself in, so that when Thomas goes
> > to
> > > http://www.matthewmucker.com/builder_directory.asp
> > >
> > > There are currently 113 builders registered. Are YOU one of them?
> > If
> > > not, go
> > > sign up RIGHT NOW!
> > >
> > >
> > > -Matt
> > >
> > > > -----Original Message-----
> > > > From: owner-zenith-list-server@matronics.com
> > > > [mailto:owner-zenith-list-server@matronics.com]On Behalf Of
> > thomas
> > > > hobbes
> > > > Sent: Wednesday, March 05, 2003 8:35 PM
> > > > To: zenith-list@matronics.com
> > > > Subject: Zenith-List: Local Builder?
> > > >
> > > >
> > > > --> Zenith-List message posted by: thomas hobbes
> > > > <doublecheckvalve@yahoo.com>
> > > >
> > > > Any builders near Ft. Rucker, Alabama? Ok, well
> > > > then, who's the nearEST builder, and I'll just
> > > > have to make a weekend of it?
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
> http://taxes.yahoo.com/
>
>
>
>
>
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