torque ? by student [RE-wrenches]
David Blittersdorf
davidb at nrgsystems.com
Sun Apr 22 08:29:55 PDT 2001
Dave,
Manuel has the right formula and right answer. All he has to do is believe the
calculation. Many people think torque = power but it does not. A torque
without a RPM is a useless number in determining power or horsepower. His
generator will require T (torque) if it needs 1 HP at 1800 RPM. T=5250 x
HP/RPM. T=5250 x 1/1800 = 2.92 foot-pounds of torque.
Hope this helps,
David Blittersdorf
On 22 Apr 01, at 9:12, David Palumbo, Independent Power & Light wrote:
> I do not have an answer for Manuel. Anybody who can?
>
> "Dear Mr. David Palumbo
>
> My name is Manuel Padua and I live in San Juan Puerto
> Rico. At this moment, I'm working in my final project
> so I am looking for information at the internet when
> I found your web page. My projet consist in the design
> of a Power Generator. I need to know how I can
> calculate the Torque that requires the generator at
> full load. I saw many catalogs of Power Generator's
> and they only show me the horse power that requires a
> specific generator. I can calculate the torque based
> in this horse power with the formula
> T =((5252)*HP)/n ; where T = torque, HP = horse power,
> n = RPM. Now how I know that this torque is the
> maximum torque that I need to rotate the generator at
> the full load. I will appreciate anya help that you
> can bring me.
>
> Sincerely,
> Manuel Padua
> Student of Mechanical Engineering"
>
> Thanks for your time,
> Dave
>
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David Blittersdorf
NRG Systems, Inc.
110 Commerce Street
Hinesburg, VT 05461 USA
Tel: 802-482-2255
Fax: 802-482-2272
email: davidb at nrgsystems.com
Web:http://www.nrgsystems.com
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