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federico freschi
science forum beginner
Joined: 08 Jul 2005
Posts: 1
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 Posted: Fri Jul 08, 2005 6:30 pm Post subject:
power measure equivalence
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Is it true that an Horse Power (HP) isn't equal to an "italian" Cavallo
Vapore (CV)? |
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eromlignod
science forum addict
Joined: 02 May 2005
Posts: 68
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| Posted: Fri Jul 08, 2005 6:57 pm Post subject:
Re: power measure equivalence
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federico freschi wrote:
| Quote: | Is it true that an Horse Power (HP) isn't equal to an "italian" Cavallo
Vapore (CV)?
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It's close. A CV is about 735.5 watts and a standard horsepower is
about 745.7 watts (or exactly 746 W for an electrical hp). Horsepower
is based on the equivalent 550 ft-lb/s.
Don
Kansas City |
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Brian Whatcott
science forum Guru Wannabe
Joined: 09 May 2005
Posts: 267
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| Posted: Sat Jul 09, 2005 12:05 am Post subject:
Re: power measure equivalence
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On Fri, 08 Jul 2005 20:30:31 GMT, "federico freschi"
<frefede@libero.it> wrote:
| Quote: | Is it true that an Horse Power (HP) isn't equal to an "italian" Cavallo
Vapore (CV)?
|
Is it true that an Italian CV = 746 watts?
If yes, then no it is not true that a CV is unequal to an HP
However, if no, then yes its true that a CV is unequal to an HP
Brian double negative Whatcott |
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N:dlzc D:aol T:com (dlzc)
science forum Guru
Joined: 25 Mar 2005
Posts: 2835
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| Posted: Sat Jul 09, 2005 12:19 am Post subject:
Re: power measure equivalence
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Dear Brian Whatcott:
"Brian Whatcott" <betwys1@sbcglobal.net> wrote in message
news:42cuc19sjviafu8t4r9op3k01jrdjv0vhe@4ax.com...
| Quote: | On Fri, 08 Jul 2005 20:30:31 GMT, "federico freschi"
frefede@libero.it> wrote:
Is it true that an Horse Power (HP) isn't equal to an "italian"
Cavallo
Vapore (CV)?
Is it true that an Italian CV = 746 watts?
If yes, then no it is not true that a CV is unequal to an HP
However, if no, then yes its true that a CV is unequal to an HP
Brian double negative Whatcott
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Are you positively not unsure about that?
David A. Smith |
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Jonathan Barnes
science forum addict
Joined: 04 May 2005
Posts: 73
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| Posted: Sat Jul 09, 2005 8:13 am Post subject:
Re: power measure equivalence
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"N:dlzc D:aol T:com (dlzc)" <N: dlzc1 D:cox T:net@nospam.com> wrote in
message news:ruGze.16456$Qo.6036@fed1read01...
| Quote: | Dear Brian Whatcott:
"Brian Whatcott" <betwys1@sbcglobal.net> wrote in message
news:42cuc19sjviafu8t4r9op3k01jrdjv0vhe@4ax.com...
On Fri, 08 Jul 2005 20:30:31 GMT, "federico freschi"
frefede@libero.it> wrote:
Is it true that an Horse Power (HP) isn't equal to an "italian"
Cavallo
Vapore (CV)?
Is it true that an Italian CV = 746 watts?
If yes, then no it is not true that a CV is unequal to an HP
However, if no, then yes its true that a CV is unequal to an HP
Brian double negative Whatcott
Are you positively not unsure about that?
David A. Smith
UNITS ! |
Horse power actually has several different definitions.
Most common is 33,000 foot pounds / minuet = 0.745699871 kW
CH ( cheval ??? ) Is I think the same as PS, the metric horsepower
this is 7.500 kilogram force meters / second = 0.735498750 kW
The difference of 1.4% can usually be ignored.
Electrical horsepower is defined as 0.746 kW
Don't get me going on Barrels :-)
--
Jonathan
Barnes's theorem; for every foolproof device
there is a fool greater than the proof.
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