Today's Message Index:
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1. 05:41 AM - Re: trying to fix spam messages (Thom Riddle)
2. 11:50 AM - Guy in Akron, Ohio with the MarkIII (FIRESTARII)
3. 02:54 PM - Re: Kolb-List Digest: 17 Msgs - 01/24/12 (George Bearden)
4. 07:40 PM - Re: Re: Kolb-List Digest: 17 Msgs - 01/24/12 (Richard Girard)
5. 11:01 PM - Re: Key West Regulator (henry.voris)
Message 1
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Subject: | Re: trying to fix spam messages |
Mike,
I use a Mac but do not use the Mac's email (postage stamp) mail. I use Google's
Gmail and from my experience, it has the best spam filter. My Gmail account did
receive two spam messages with your name on it which had links to some pill
sales websites but it did not corrupt anything.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Truth is what stands the test of experience.
- Albert Einstein
Read this topic online here:
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Message 2
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Subject: | Guy in Akron, Ohio with the MarkIII |
In December a fellow Kolber called me to help with his TW sign off and to help
him fly off his Phase I hours.
I apologize to him as I have looked relentlessly for his contact information and
simply cannot find it any where :(
I you are reading the posts please give me a call or shoot me an email so I can
get in touch with you again.
Thanks Seth A. Miller
Seville, Ohio
Fly Safe and have fun!
--------
Low and Slow FireStar II
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Message 3
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Subject: | RE: Kolb-List Digest: 17 Msgs - 01/24/12 |
> Ground is ground is ground, to paraphrase Gertrude Stein.
Welll.. Gertrude Stein is not always right.
This concept may have aircraft application but I run into it with ground
vehicles mostly...
At high frequencies, radio frequencies, electrical current begins to flow
along the surfaces of conductors more and more, and less in the interior.
When using a ground strap or cable to connect surfaces which are part of a
ground-plane for a radio antenna one should consider using a braided copper
strap. This has a greatly increased surface area over a solid conductor.
When I install a CB on a 4x4 the antenna is typically a ground-plane type.
The hood, tailgate and top of the vehicle or the entire vehicle is
effectively part of the antenna. If done properly the hood needs to be
grounded by a braided strap to the rest of the vehicle. In cases where the
antenna is mounted on the tailgate EXTRA care must be made to insure that it
has a quality ground to the vehicle body.
I think our aircraft frequencies are high enough that our wave length is
short enough that our ground planes are small enough that the entire vehicle
is not involved... just maybe a metallic disk under the antenna (or an array
of copper radials). In those cases no braided strap is necessary.
Message 4
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Subject: | Re: RE: Kolb-List Digest: 17 Msgs - 01/24/12 |
Reading and comprehension, George, reading and comprehension.
The discussion was about the brown ground wire in the wiring harness, or as
Rotax calls it (at least by translation) the mass cable, brown, and to what
it can be connected. There was no mention of radios, it was about
connecting the Key West regulator.
Rick
On Wed, Jan 25, 2012 at 4:51 PM, George Bearden <gab16@sbcglobal.net> wrote:
>
> > Ground is ground is ground, to paraphrase Gertrude Stein.
>
> Welll.. Gertrude Stein is not always right.
>
> This concept may have aircraft application but I run into it with ground
> vehicles mostly...
>
> At high frequencies, radio frequencies, electrical current begins to flow
> along the surfaces of conductors more and more, and less in the interior.
> When using a ground strap or cable to connect surfaces which are part of a
> ground-plane for a radio antenna one should consider using a braided copper
> strap. This has a greatly increased surface area over a solid conductor.
>
> When I install a CB on a 4x4 the antenna is typically a ground-plane type.
> The hood, tailgate and top of the vehicle or the entire vehicle is
> effectively part of the antenna. If done properly the hood needs to be
> grounded by a braided strap to the rest of the vehicle. In cases where the
> antenna is mounted on the tailgate EXTRA care must be made to insure that
> it
> has a quality ground to the vehicle body.
>
> I think our aircraft frequencies are high enough that our wave length is
> short enough that our ground planes are small enough that the entire
> vehicle
> is not involved... just maybe a metallic disk under the antenna (or an
> array
> of copper radials). In those cases no braided strap is necessary.
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 5
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Subject: | Re: Key West Regulator |
Ed,
You said... " I am planning to attach one end of the brown wire to the engine and
the other end to a connector that allows the same brown wire to continue and
attach to a screw on the airframe which seems to me like it will work the same
as a ground strap." Yup, sounds like that is a dandy groundstrap, it ties the
engine to the airframe just fine... And as our pal Rick so rightly pointed
out that "a ground is a ground" and connecting the brown wire to the NEG DC terminal
of your regulator would do the same (as long as the NEG DC circuit of the
regulator grounds to the airframe somewhere...).
My brown wire is not a groundstrap... My brown wire carries current from the killswitch
to the point where it grounds to the case of the engine. My brown wire
connects to the case at the right hand bolt that attaches the coil to the case.
If your brown wire connects to the case at that same point... it might be
a good idea to check out your killswitch circuit. Make sure your wires aren't
crossed. Killswitch is a good thing to have... flight critical.
Good Luck,
--------
Henry
Firefly Five-Charlie-Bravo
Do Not Archive
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