Don't blab it about, Carleton. How about we hook it up to an efficient
wind-turbine, driving a generator and sell this self-sustaining,
energy-producing power plant?
Jim
[EMAIL PROTECTED] wrote:
>
> I recently bought a Shop Vac 6000. It works quite well but I have a question
> about the specification "6.0 peak horsepower".
>
> The vacuum indicates that it uses 11.0 amperes. At a nominal 120 volts this
> would mean 11x120 = 1320 watts.
>
> The "horsepower", a non-SI unit, is defined as being exactly 746 watts (an SI
> unit). A watt is a watt is a watt, of course, so it would seem to me that
> 1320/746 or approximately 1.77 hp is more accurate. (I have no idea what a
> "peak" horsepower is. The watt is the standard unit of power; the horsepower
> is an outmoded unit used only in the USA.) This assumes no losses within the
> motor itself, of course; actual "hp" of output would be lower due to this.
>
> A 6.0 hp motor would be huge, and would likely require a dedicated 240 volt,
> 30 ampere circuit. Further, due to the inefficiencies of single-phase motors
> in large sizes, it would probably be polyphase.
>
> Any explanation would be welcome, and interesting.
>
> Carleton MacDonald
> Gaithersburg, Maryland
--
Metric Methods(SM) "Don't be late to metricate!"
James R. Frysinger, CAMS http://www.metricmethods.com/
10 Captiva Row e-mail: [EMAIL PROTECTED]
Charleston, SC 29407 phone/FAX: 843.225.6789
