Antenna materials
 

Antennas usually are made of aluminum as copper is somewhat heavier
and silver and gold is to expensive. Since lead is now banned in a lot
of places especially with solder you can now buy solder that is doped
with Bismuth !
Now you can't coat your elements with it but if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?

Antenna materials
 

On 10/4/2010 7:31 PM, Art Unwin wrote:
Antennas usually are made of aluminum as copper is somewhat heavier
and silver and gold is to expensive. Since lead is now banned in a lot
of places especially with solder you can now buy solder that is doped
with Bismuth !
Now you can't coat your elements with it but if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?

What do I think? I think I'd rather have a platinum antenna! Sure, it
would be a lot heavier than aluminum, or even copper. Sure, I'd have to
keep it in a bank ... but, I'd still like it!

Regards,
JS

Antenna materials
 

On Mon, 04 Oct 2010 19:31:38 -0700, Art Unwin rearranged some electrons to
say:

Antennas usually are made of aluminum as copper is somewhat heavier and
silver and gold is to expensive. Since lead is now banned in a lot of
places especially with solder you can now buy solder that is doped with
Bismuth !
Now you can't coat your elements with it but if you have a solder bath
you can run copper wire thru it. The bismuth is brittle but with the
underlying copper it is stiff enough to stick it on the antenna
elements. I am assuming that the applied current would travel along the
bismuth coating instead of the aluminum and therefore should increase
gain for antennas that use coupling methods such as the Yagi tho
bandwidth may well suffer some what. What do you think?

Lead free solder is still mostly tin.

Antenna materials
 

On 10/5/2010 8:06 AM, Jim Higgins wrote:

...
I think the RF current flowing thru the crystallized bismuth will
result in the Peltier occurring and will cause the outer ends of the
elements to become very cold and the inner ends to become very hot and
that the heat will soften the inner portions and the cold will cause
heavy icing on the outer portions weighing them down considerably, the
combination resulting in the elements bending and destroying the
antenna.

You guys are just nuts to consider messing around with a device capable
of emitting Orgone Radiation!

I mean, you may doom yourself to a life of having to use medical
marijuana to alleviate the migraine headaches and pain! Not even
getting into the heavy genetic damage which is likely to occur!

Regards,
JS

Antenna materials
 

I think I will stick with good ole lightweight and relatively cheap Al
You Miny Um.

Antenna materials
 

On 10/5/2010 9:46 AM, R.Scott wrote:
I think I will stick with good ole lightweight and relatively cheap Al
You Miny Um.


Aye! Beer and aluminum! That is the way to go ... grin

Regards,
JS

Antenna materials
 

Art Unwin wrote in news:1b9f0821-e110-4722-852a-
:

Antennas usually are made of aluminum as copper is somewhat heavier
and silver and gold is to expensive. Since lead is now banned in a lot
of places especially with solder you can now buy solder that is doped
with Bismuth !
Now you can't coat your elements with it but if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?


I am not sure whether you are considering coating the elements with
solder, tin, or bismuth... but they *all* degrade the RF resistance of an
aluminium element.

Nevertheless, hams are suckers for snake oil salesmen. Just look at the
products sold for antenna wire, open wire feed line and whips... so you
might have an opportunity there Art.

Owen

Antenna materials
 

On Oct 5, 2:12*pm, Owen Duffy wrote:
Art Unwin wrote in

Now you can't coat your elements with it but *if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?

I am not sure whether you are considering coating the elements with
solder, tin, or bismuth... but they *all* degrade the RF resistance of an
aluminium element.

Nevertheless, hams are suckers for snake oil salesmen. Just look at the
products sold for antenna wire, open wire feed line and whips... so you
might have an opportunity there Art.

Owen

Hmmmm!
Isn't the idea to get current to flow on the surface
without the skin depth problem? For instance, when you make a Meander
antenna distributed loads are not existent as they cancel out. This
also means that skin depth is non existant as there is no magnetic
field. Thus there is nothing to prevent the current going beyond where
the skin depth is usually situated where it can continue on to flow on
the surface the path of least resistance.
Now the element resistance is of no concern as it is not now part of
the radiation circuit! Instead of two resistances we only have the
one which pertains to radiation, the sole object of a radiator.
Capacitance and inductance does nothing to advance radiation, tho it
is quite useful to have in other areas of science so why fool with it?
Magnetism and polarization only comes into the picture after
propagation is initiated when particles/electrons are ejected with
helical spin and acceleration which generates various movements,
fields etc after the fact.
Remember, for both transmission and receive the only object that can
break up the parts of electrical and magnetic fields together with
time varying current is the Faraday cage, so it is useful to start
with the cage function to get a true story of radiation. A radiator is
only efficient when you can present a flow path for applied current
where the
source becomes totally resistive.
I threw Bismuth in since it is part and parcel of the superconductor
scenario. grin." Super" has many pleasant conoctations for a salesman
to use.

Antenna materials
 

On Oct 5, 8:16*pm, Art Unwin wrote:
On Oct 5, 2:12*pm, Owen Duffy wrote:



Art Unwin wrote in
Now you can't coat your elements with it but *if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?

I am not sure whether you are considering coating the elements with
solder, tin, or bismuth... but they *all* degrade the RF resistance of an
aluminium element.

Nevertheless, hams are suckers for snake oil salesmen. Just look at the
products sold for antenna wire, open wire feed line and whips... so you
might have an opportunity there Art.

Owen

Hmmmm!
Isn't the idea to get current to flow on the surface
without the skin depth problem? For instance, when you make a Meander
antenna distributed loads are not existent as they cancel out. This
also means that skin depth is non existant as there is no magnetic
field. Thus there is nothing to prevent the current going beyond where
the skin depth is usually situated where it can continue on to flow on
the surface the path of least resistance.
Now the element resistance is of no concern as it is not now part of
the radiation circuit! * Instead of two resistances we only have the
one which pertains to radiation, the sole object of a radiator.
Capacitance and inductance does nothing to advance radiation, tho it
is quite useful to have in other areas of science so why fool with it?
Magnetism and polarization only comes into the picture after
propagation is initiated when particles/electrons are ejected with
helical spin and acceleration which generates various movements,
fields etc after the fact.
Remember, for both transmission and receive the only object that can
break up the parts of electrical and magnetic fields together with
time varying current is the Faraday cage, so it is useful to start
with the cage function to get a true story of radiation. A radiator is
only efficient when you can present a flow path for applied current
where the
source becomes totally resistive.
I threw Bismuth in since it is part and parcel of the superconductor
scenario. grin." Super" has many pleasant conoctations for a salesman
to use.

you see art, they just don't understand how the magical levitating
solar neutrinos will jump from the diamagnetic bismuth much more
efficiently than from aluminum... and they never will understand until
you can explain how my ferromagnetic vertical antennas that obviously
can't support a coating of your magical levitating solar neutrinos
could possibly work at all.

Antenna materials
 

On 10/5/2010 10:06 AM, Jim Higgins wrote:
On Mon, 4 Oct 2010 19:31:38 -0700 (PDT), Art Unwin
wrote:

Antennas usually are made of aluminum as copper is somewhat heavier
and silver and gold is to expensive. Since lead is now banned in a lot
of places especially with solder you can now buy solder that is doped
with Bismuth !
Now you can't coat your elements with it but if you have a solder
bath you can run copper wire thru it. The bismuth is brittle
but with the underlying copper it is stiff enough to stick it on the
antenna elements. I am assuming that the applied current would travel
along the bismuth coating instead of the aluminum and therefore should
increase gain for antennas that use coupling methods such as the Yagi
tho bandwidth may well suffer some what.
What do you think?

As we all know, you are CLUELESS! And you never check underlying facts.
Never. Ever.



I think the RF current flowing thru the crystallized bismuth will
result in the Peltier occurring and will cause the outer ends of the
elements to become very cold and the inner ends to become very hot and
that the heat will soften the inner portions and the cold will cause
heavy icing on the outer portions weighing them down considerably, the
combination resulting in the elements bending and destroying the
antenna.
`
As the Brothers Guinness said in their famous television ads - "BRILLIANT!!"

tom
K0TAR