Today's Message Index:
----------------------
1. 05:17 AM - Re: Re: Transponder 'air switch' (Gilles Tatry)
2. 06:57 AM - (no subject) (JTORTHO@aol.com)
3. 07:22 AM - Re: (no subject) (Ken)
4. 07:44 AM - Old Analog types Tubes, etc (Ed Anderson)
5. 08:01 AM - Re: Beginner circuits (Dave Morris \)
6. 08:48 AM - Re: Beginner circuits (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: Transponder 'air switch' |
--> AeroElectric-List message posted by: Gilles Tatry <gilles.tatry@wanadoo.fr>
As liners pilots, we:
- Turn the rotating beacon on before starting engines, off after engine shutdown,
- Turn the taxi lights on when the aircraft is about to move, off when the aircraft
is stopped,
- Turn both strobe lights and take-off lights on when entering the active runway,
off when leaving the runway.
This is worldwide common use, night and day conditions.
Regards,
Gilles
> Message du 23/08/05 20:07
> De : "Craig P. Steffen"
> A : aeroelectric-list@matronics.com
> Copie =C3=A0 :
> Objet : Re: AeroElectric-List: Re: Transponder 'air switch'
>
> --> AeroElectric-List message posted by: "Craig P. Steffen"
>
> On Tue, Aug 23, 2005 at 12:55:20PM -0400, Speedy11@aol.com wrote:
> > --> AeroElectric-List message posted by: Speedy11@aol.com
> >
> > I teach pilots to never turn on the strobes until taking the active runway
> > for takeoff - especially in low light or night conditions.
> > Stan Sutterfield
> >
> >
> > In a message dated 8/23/2005 3:00:05 AM Eastern Standard Time,
> > aeroelectric-list-digest@matronics.com writes:
> > I like strobes flashing on the ground.. Maybe (especially?) before engine
> > start.
> >
> >
> > Regards,
> >
> > Matt-
>
> The relevant FAR (in part):
>
> ************
>
> FAR 91.209 Aircraft lights.
>
> No person may:
> ...
> (b) Operate an aircraft that is equipped with an anticollision light
> system, unless it has lighted anticollision lights. However, the
> anticollision lights need not be lighted when the pilot-in-command
> determines that, because of operating conditions, it would be in the
> interest of safety to turn the lights off.
>
> ************
>
> It just occured to me to wonder; when they say "Operate an aircraft",
> do they mean in the air, or at all?
>
> I'm pretty sure that airliners always have their rotating lights
> running whenever their engines are on.
>
> Craig Steffen
>
> --
> craig@craigsteffen.net
> public key available at http://www.craigsteffen.net/GPG/
> current goal: use a CueCat scanner to inventory my books
> career goal: be the first Vorlon Time Lord
>
>
> --
> Ce message ne contient pas de virus connu.
> neoDomaine Postmaster - http://www.neodomaine.com/
>
>
Message 2
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--> AeroElectric-List message posted by: JTORTHO@aol.com
Currently building a Searey, but must admit the mail is interesting enough to
cut into garage time.
Printing the labels on a computer is a great idea, and have l already started
labeling wires with labels, followed by clear heat shrink, another wonderful
idea. For the panel, what is the best clear coat? A polyurethane in semi --
gloss or a clear acrylic?
Not much metal in the center wing for the ELT antenna. Is the 1 meter
separation from the COM a regulation or a suggestion? Is there a regulation against
putting the ELT in side the fiberglass tail section? IT would be "upside
down" but still vertically oriented, with a wire/copper ribbon groundplane.
Finally, my background is a bit mixed. I was a ham, and a builder back when
you used tubes, or the transistors came one at a time. Even took some
electronic design course many years ago in engineering. (I was an ME/BioMed)
I
wanted to make a small timing circuit for a gear warning application. Could
someone recommend a book/source for a begginer/novice/has-been to catch up?
Jim Timoney
Message 3
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| Subject: | Re: (no subject) |
--> AeroElectric-List message posted by: Ken <klehman@albedo.net>
Hi Jim
For timing circuitry, Radio Shack has a little paper back booklet on 555
timers for a couple of dollars that I'd recommend to anyone interested.
That is by far the most versatile, popular, chip out there I believe.
The chips are well under $1. in most places.
Ken
>snip
>
> I
>wanted to make a small timing circuit for a gear warning application. Could
>someone recommend a book/source for a begginer/novice/has-been to catch up?
>
>Jim Timoney
>
>
Message 4
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| Subject: | Old Analog types Tubes, etc |
--> AeroElectric-List message posted by: "Ed Anderson" <eanderson@carolina.rr.com>
Hi Jim,
Being an old analog type myself (and Ham radio operator), I recently made
the somewhat painful transition (at least the beginning) from tubes to
microchips. I've learned to program the Microchip PIC microcontroller
(actually a small computer +) and have produced a EFI Fuel Monitoring system
programmed using Pascal (higher order (almost English) programming
language). It took me about 1 1/2 years to learn this new stuff and I
certainly have only broken the ice. However, the digital approach gives you
so much capability and flexibility in a system design that I think it was
worth learning.
There are hundreds (thousands?) of good books out there, but you have to
decide what area you are interested in and how much time/effort you want to
invest. For example the timing circuit you mention could be easily designed
using the 555 timer chip (amazingly useful device) or you could approach it
(overkill) using a microchip (learning to program it and design with it).
To many other factors to mention. The problem I found (since everything was
interesting) was trying to decide what I wanted invest in. I decided that
investing in the knowledge to design and make neat things for my
experimental was the focal point.
Here are a couple of photos that shows one of my projects both the old
analog design and the new digital design
I can only suggest that you surf the internet looking for projects that may
interest you and explore from there. A good basic? book that I used (and
still reference) is "The Art of Electronics" by Hayes & Howard. You might
even be able to find it in a good local book store and can certainly get it
on line.
Good luck
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
----- Original Message -----
From: <JTORTHO@aol.com>
Subject: AeroElectric-List: (no subject)
> --> AeroElectric-List message posted by: JTORTHO@aol.com
>
> Currently building a Searey, but must admit the mail is interesting enough
> to
> cut into garage time.
>
> Printing the labels on a computer is a great idea, and have l already
> started
> labeling wires with labels, followed by clear heat shrink, another
> wonderful
> idea. For the panel, what is the best clear coat? A polyurethane in
> semi --
> gloss or a clear acrylic?
>
> Not much metal in the center wing for the ELT antenna. Is the 1 meter
> separation from the COM a regulation or a suggestion? Is there a
> regulation against
> putting the ELT in side the fiberglass tail section? IT would be "upside
> down" but still vertically oriented, with a wire/copper ribbon
> groundplane.
>
> Finally, my background is a bit mixed. I was a ham, and a builder back
> when
> you used tubes, or the transistors came one at a time. Even took some
> electronic design course many years ago in engineering. (I was an
> ME/BioMed) I
> wanted to make a small timing circuit for a gear warning application.
> Could
> someone recommend a book/source for a begginer/novice/has-been to catch
> up?
>
> Jim Timoney
>
>
>
Message 5
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| Subject: | Re: Beginner circuits |
--> AeroElectric-List message posted by: "Dave Morris \"BigD\"" <BigD@DaveMorris.com>
The little "notebooks" they have at Radio Shack are a tremendous source of
schematics. I don't remember if Forrest Mims still authors all of them,
but I have an old yellow "Engineer's Notebook" he wrote decades ago, and
believe it or not, most of the schematics are still the state of the art
for this kind of simple stuff. There's one specifically on 555 timer
circuits. Go to your local Radio Shack and see if they have them. If your
circuit is generic enough and you don't want to reinvent the wheel, look at
some of the stuff QKits.com has.
Dave Morris
At 08:55 AM 8/28/2005, you wrote:
>--> AeroElectric-List message posted by: JTORTHO@aol.com
>
> I
>wanted to make a small timing circuit for a gear warning application. Could
>someone recommend a book/source for a begginer/novice/has-been to catch up?
>
>Jim Timoney
Message 6
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| Subject: | Re: Beginner circuits |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckollsr@cox.net>
Goto
http://www.abebooks.com/?cm_ven=ggl&cm_cat=us-search&cm_pla=usedbooks&cm_ite=used%20books&afsrc=1
and search on Author: Floyd and Title: Electronics Fundamentals
You'll see a variety of listings for these Merrill publications edited
by T. L. Floyd. 6th edition is current for over $100. ANY prior edition
is worth the $ and you can get 2-4th editions for well under $10.
These are well illustrated, well organized texts for anyone interested
in starting a new discipline or honing an old one. I keep copies around
to hand out to budding experimenters.
Bob . . .
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