Re: gEDA-user: [OFF] high current amplifier

[Gene Heskett <gene.heskett@xxxxxxxxxxx>]

On Wednesday 20 May 2009, der Mouse wrote:
>>> A ton of cooling is 12 Kbtu, about the heat of crystallization of
>>> one ton of water, per hour.
>>>
>>>> Why do engineers use so many whacky units?
>>>
>>> [...], tradition and convenience.
>>
>> Good excuses for the masses.  Not so good for engineering, which
>> depends on precise communication.
>
>Which measuring air conditioning capacities in tons provides.  Just
>because it's disorienting to those who are acquainted with only other
>meanings of the word doesn't make it any less precise.  It's not even
>ambiguous, since air conditioning capacity doesn't have units of
>weight.  You might as well ask why motor power is measured in
>horsepower - that's another historical unit that's cryptic and baffling
>to the uninitiated, but is perfectly good to those in the industry.

And the unit called a horsepower is a complete unit also, as I believe its 
defined as lifting 550 pounds 1 foot in 1 second.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
The NRA is offering FREE Associate memberships to anyone who wants them.
<https://www.nrahq.org/nrabonus/accept-membership.asp>

Now KEN and BARBIE are PERMANENTLY ADDICTED to MIND-ALTERING DRUGS ...



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