Art wrote:
"It is not physical size that is important with respect to a dish it is
the wavelength between two objects that counts. A simple helix antenna
can use a reflector in place of a ground plane not used as an optical
ray reflector."

Yes, but, size matters even when you are told it doesn`t. A dish usually
makes the path length equal between its frontal plane and focal point
for all rays by the parabolic curvature of its reflector. Everything
stays in phase by virtue of traveling the same distance through the same
medium. The bigger the dish, the higher the gain.

On the helix antenna invented by Kraus, Terman writes on page 909 of his
1955 opus:
"The directive gain is appreciable, a six-turn helix having a diameter
of 0.30 lambda sith a spacing of 0.30 lambda between turns developing a
gain of 45 when provided with a reflecting screen at the input and that
is normal to the helix axis. A helical antenna is relatively broadband
in its characteristics."

Best regards, Richard Harrison, KB5WZI

Gentlemen.

It is now over two weeks since Art made his offer to Denny to supply a
model of his new antenna for testing, ( and should by now have been
delivered ), which gives all the naysayers a last chance to nail their
colours to the mast.
For my part it is my belief that Art's antenna will be a major
advance in the design of antenna's of the future, so, what say you
gentlemen, do you agree, or disagree?.

Just to make things even, it is my belief that someone, who has the
respect of most ham's in this group,( including the indomitable
Richard) has a finger in this pie.


Derek.

On Mar 4, 5:52 am, Derek wrote:
Gentlemen.

It is now over two weeks since Art made his offer to Denny to supply a
model of his new antenna for testing, ( and should by now have been
delivered ), which gives all the naysayers a last chance to nail their
colours to the mast.
For my part it is my belief that Art's antenna will be a major
advance in the design of antenna's of the future, so, what say you
gentlemen, do you agree, or disagree?.

Sorry, I don't believe in the tooth fairy, free lunches, or dummy
loads on sticks. Or should I say dummy loads on towers...

Just to make things even, it is my belief that someone, who has the
respect of most ham's in this group,( including the indomitable
Richard) has a finger in this pie.

Well, Yoda is pretty good at what he does. But I doubt if
even the force® can save this project.
Like I have said, if I thought it was possible to achieve full
size performance from a shoe box sized jumble of several
hundred feet of thin 22 gauge wire, I would have already built one.
But unfortunately, I have no such delusions of RF grandeur.
BTW, if even both of the Richards, "I'm not sure which one
you consider indomitable", had a finger in the pie, but
the rest of the world refused to stick their finger in the pie,
how would that make things even?
Myself, I have trouble seeing either one of them falling for
this fairy tale of full size antenna performance from a
mini sized dummy load on a stick. Even if it is air cooled.
Does this help clarify my stance on this small sized subject?
I try to avoid any gray areas that might give the impression
that I think this device even has a remote chance of it's
claimed full sized success as a radiator of RF.
But in case some still get confused by what I say, let me
rephrase in a manner that most all will understand.
What a load of horse manure says I...
MK

On Mar 5, 3:23 am, wrote
..
Does this help clarify my stance on this small sized subject?
I try to avoid any gray areas that might give the impression
that I think this device even has a remote chance of it's
claimed full sized success as a radiator of RF.
But in case some still get confused by what I say, let me
rephrase in a manner that most all will understand.
What a load of horse manure says I...
MK


Spoken like a true neanderthal, they also refused to embrace new ways
of doing things and look what happened to them.
You are living in the past, keep on digging.

Derek

On Mar 6, 4:49 pm, Derek wrote:


Spoken like a true neanderthal, they also refused to embrace new ways
of doing things and look what happened to them.
You are living in the past, keep on digging.

Derek

Well, where is the beef? Do you have any actual data to support
these magic claims? Hummm.. Thought not..
I'm using actual experience with antennas to support
my disbelief. If what he says is true, I'd likely already
be using one.. I'm not against a dinky 160m antenna
with full size performance. But until I actually see
one work... Well, you might get it, or you might not..

How can I live in the past? I can only remember the past.
And *nowhere* in the past have I ever seen such a
device actually work as claimed.
So put up the data, or you get to digging...
You kind of remind me of that "Bret" dude who calls himself
John Smith, or whatever... :/
I'd rather be a slopehead than believe in the tooth fairy,
free lunches, and antennas that don't follow the rules
of science.
I have no doubt his antenna may radiate some..
But then again, most dummy loads do also..
Tales of QSO's using light bulb dummy loads used to be
quite common back in the past, which I can still remember
going back to the time of swatting at colorful plastic butterflies
hanging above my head in my baby crib.
MK

Derek wrote:
On Mar 5, 3:23 am, wrote
.
Does this help clarify my stance on this small sized subject?
I try to avoid any gray areas that might give the impression
that I think this device even has a remote chance of it's
claimed full sized success as a radiator of RF.
But in case some still get confused by what I say, let me
rephrase in a manner that most all will understand.
What a load of horse manure says I...
MK


Spoken like a true neanderthal, they also refused to embrace new ways
of doing things and look what happened to them.
You are living in the past, keep on digging.


Are we required to suspend disbelief for every new idea that comes
along? That would be chaos.


- 73 de Mike N3LI -

Derek wrote:
Gentlemen.

It is now over two weeks since Art made his offer to Denny to supply a
model of his new antenna for testing, ( and should by now have been
delivered ), which gives all the naysayers a last chance to nail their
colours to the mast.
For my part it is my belief that Art's antenna will be a major
advance in the design of antenna's of the future, so, what say you
gentlemen, do you agree, or disagree?.

Just to make things even, it is my belief that someone, who has the
respect of most ham's in this group,( including the indomitable
Richard) has a finger in this pie.


Derek.

There are people who will happily believe most anything without any
credible evidence. Examples abound - believers in homeopathy, astrology,
and alien abductions to name just a very few. Believers in Art's antenna
claims are in this category. I'm not.

Roy Lewallen, W7EL

Roy Lewallen wrote:
There are people who will happily believe most anything without any
credible evidence. Examples abound - believers in homeopathy, astrology,
and alien abductions to name just a very few. Believers in Art's antenna
claims are in this category. I'm not.

However, you and W8JI seem to believe that the delay through
a 75m bugcatcher loading coil can be 3 ns. Compared to that
belief, astrology seems pretty logical.
--
73, Cecil http://www.w5dxp.com

"Roy Lewallen" wrote in message
...
Derek wrote:
Gentlemen.

It is now over two weeks since Art made his offer to Denny to supply a
model of his new antenna for testing, ( and should by now have been
delivered ), which gives all the naysayers a last chance to nail their
colours to the mast.
For my part it is my belief that Art's antenna will be a major
advance in the design of antenna's of the future, so, what say you
gentlemen, do you agree, or disagree?.

Just to make things even, it is my belief that someone, who has the
respect of most ham's in this group,( including the indomitable
Richard) has a finger in this pie.


Derek.

There are people who will happily believe most anything without any
credible evidence. Examples abound - believers in homeopathy, astrology,
and alien abductions to name just a very few. Believers in Art's antenna
claims are in this category. I'm not.

Roy Lewallen, W7EL


Don't forget the Audiophools!

John, KD5YI

Art did ship me one of his antennas a week or two back... I have it in
my shop...
I will indeed put this interesting antenna to an objective and
thorough testing with a full report here... I am always excited to
learn something new...

It is 19F outside this morning and blowing hard, with wind and snow
forecast through the week and into the weekend, and I am unlikely to
climb the big tower in this...
I will attempt within a week to put it on a small 50' tower I have
attached to my shop and get some baseline impedence and field strength
measurements... Then as soon as the weather allows I will move it to
the big tower for a good test against my full size antennas...


I am sorry to have to put this off a bit, but given the weather and
that my family is hurting at the moment my free time is limited...

denny / k8do