You can read Funk and Wagnall's definition at
http://www.fwkc.com/encyclopedia/low/articles/h/h011001344f.html.
The definition implies, incorrectly, that the watt is exclusively an
electrical unit.
Bill Potts, CMS
San Jose, CA
http://metric1.org [SI Navigator]
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> Behalf Of Gregory Peterson
> Sent: March 13, 2001 13:31
> To: U.S. Metric Association
> Subject: [USMA:11580] Re: What is bhp
>
>
> And here I thought "bhp" was "boiler horsepower" = 9.80950 kW
>
> cf:
>
> hp = 0.745700 kW
> hp (electric) = 0.746 kW (exactly)
> hp (metric) = 0.735499 kW
> hp (water) = 0.746043 kW
>
> from the CRC Handbook of Chemistry and Physics.
>
> I routinely hear only the word "horsepower" given for in the
> automobile commercials and I multiply by 0,75 for kilowatts. Some
> of the automakers actually post kilowatts in the English-text
> specification web pages. Volkswagon is a good example, if you
> visit the Canadian site.
>
> btw... could anyone give me a definition for "metric" horsepower?
>
> greg
>
>
> >>> "James R. Frysinger" <[EMAIL PROTECTED]> 2001-03-13 08:17:32 >>>
> The term "bhp" refers to "braking horse power", which is also used in
> the U.S. I believe. As I recall, it refers to the ability of an engine
> to develop power under load. In all probability there is an industrial
> (SAE, ASTM, ASME ?) standard procedure to determine this value. Given
> the probalbe precision of the measurement, I would multiply this number
> by 3/4 to calculate power in kilowatts.
>
> After perusing some SAE pages I noticed that one has to be careful not
> to confuse this term with a similar term, "brake rating horsepower
> capability", which has to do with the capability of the braking system
> on a vehicle.
>
> There's a page that's kind of neat at
> http://members.home.net/rck/phor/06-Speed.html
> The author is obviously writing for amateur car enthusiasts and it is
> in ifp units (but he points out that things would be a lot simpler in
> metric!). If you can put up with the units involved, this is a neat
> discussion of the physics involved in overcoming drag.
>
> Apart from the above, I suggest that you type "braking horsepower" into
> the "open location" line of a browser and enjoy yourself while perusing
> the resulting search results.
>
> Jim
>
> On Tuesday 13 March 2001 0834, M R wrote:
> > Some countries like Britain, India, etc use the term
> > bhp to define the power of an automobile.
> > Can someone explain what is its equivalent in terms of
> > kilowatts.
> >
> > The last but one line in this webpage has reference to
> > bhp.
> > http://www.thetimes.co.uk/article/0,,2-97689,00.html
> >
> >
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> --
> James R. Frysinger University/College of Charleston
> 10 Captiva Row Dept. of Physics and Astronomy
> Charleston, SC 29407 66 George Street
> 843.225.0805 Charleston, SC 29424
> http://www.cofc.edu/~frysingj [EMAIL PROTECTED]
> Cert. Adv. Metrication Specialist 843.953.7644
>
>
