Re: Tesla Coils in Practical Applications

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>

Tesla list wrote:

> Original poster: "BunnyKiller by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <bigfoo39-at-telocity-dot-com>
 
> Tesla list wrote:
 
> > Original poster: "CJ Moore by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <wizard1234-at-home-dot-com>

> > I know that while there has been a great deal of research in Tesla Coils,
> > has anyone found any real practical application for these devices? (besides
> > testing aircraft)

	In the 1930s they were examined as a means of powering 'atom
	smashers'.  van de Graff & Co tried Tesla Coils first, moved on to
	belt machines later.  (I can dig out a scholarly reference.  Or
	you could....)

> > The reason that I ask is I have done Science Fair (school project type
deals
> > for those who don't know) projects in the past with tesla coils, 1st
one was
> > something really stupid and I don't remember what it was about. The second
> > one was a little better, I tested to see if the magnetic field around the
> > coil decreased proportionally to the distance from a given point. (I used a
> > multimeter and a search coil, which is a like a small secondary).

> > This year I don't have any ideas and need one fast.
> > If anyone could help me with an idea I would be very grateful.

> > I need something which is constant, and then a variable to test.
> > IE: which flower lives longest 1) NaCL solution 2) sucrose solution 3)
> > pepper solution 4) aspirin solution 5) pure H2O (constant) * The flowers,
> > amount of water, sunlight, etc. would remain constant but the substance
> > changes.

> > So I need something like that but in the TC field.

> > One idea that I had was to create one coil and then the 3 different
types of
> > primaries to see which one worked best with the given system, but I don't
> > know how well that would work out.

> > Thanks,
> > CJ
 
> Hi Cj...

> Since tesla coils were intentionally designed to be able to
> transmit power to the world and then be able to "recieve" this
> power via a second "secondary" to power the home etc.

	[whether they would have is another matter...  8)>>]
	
> why not try making 3 different sized secondaries and use the
> coil to transmit to them

	Or three different sized receiver coils, and proceed as
	above.

> and see which of the 3 secondaries "receive" the best
> (use a volt meter to see the differences between the various
> secondaries or use some low voltage lite bulbs to "see" the
> difference).

	Ah.  Excellent.  (I missed the light bulb on first reading)
	May need a 'secondary' (LV) on the receiver to run the light
	bulb.  Might be enough power to run a small electric motor,
	used with a diode, or bridge.  (An advantage Tesla lacked...)
	Try same receive coil at varying distances.
	Try tuning the receive coil.

	Measure voltage and current in 'load' and calculate efficiency
	from input power.

	(I'd guess any One or two of these would serve... just
	throwing out ideas....)

	best
	dwp