Re: Weird ideas

From: 	Mark S Graalman[SMTP:wb8jkr-at-juno-dot-com]
Sent: 	Thursday, December 04, 1997 10:35 AM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: Weird ideas

   Actually, IMHO there *really* is no such thing as 
efficiency in a machine that draws power yet does
no actual work or provides no tangible benefits.
 It really is work/fun input, fun output. 

Mark Graalman

On Thu, 4 Dec 1997 08:07:30 -0600 Tesla List <tesla-at-pupman-dot-com> writes:
>From: 	John H. Couture[SMTP:couturejh-at-worldnet.att-dot-net]
>Sent: 	Thursday, December 04, 1997 12:43 AM
>To: 	Tesla List
>Subject: 	Re: Weird ideas
>At 05:36 AM 12/3/97 +0000, you wrote:
>>From: 	Edward V. Phillips[SMTP:ed-at-alumni.caltech.edu]
>>Sent: 	Monday, December 01, 1997 1:14 PM
>>To: 	tesla-at-pupman-dot-com
>>Subject: 	Re: Weird ideas
>>""  BTW, why bother with tubes? Frankly, I found that they are so 
>>inefficient, think about this for a moment: First, you have to put 
>>energy to "boil" enough electrons. Then, you are applying electric 
>>(energy) to constantly accelerate the electrons, not only did the 
>>did not slow down as they approach the anode, they travel at full 
>speed. At
>>last, you stop the electrons and most of its energy become heat. Heat 
>>generated in both the "boiling" and "stopping" process, it sounds to 
>me like
>>a electron welder."
>>        Some of the big tube-type broadcast band transmitters ran
>>at an OVERALL efficiency (power delivered to antenna divided by
>>power from the AC mains) exceeding 90%.  It's no trick at all to
>>design and build a Class C tube amplifier with 75% efficiency, and
>>the filament/heater needn't use more than a few percent of the plate
>>input power.
>  Ed -
>  What are the wallplug efficiencies including filament losses and 
>as Tesla coils. How would these systems compare with Tesla coils with 
>same wallplug input ?
>  John Couture