REPP logo banner adsolstice ad
site map
Main    Discussion Archives register comment
home
repp
energy and environment
discussion groups
calendar
gem
about us
employment
 
REPP-CREST
1612 K Street, NW
Suite 202
Washington, DC 20006
contact us
discussion groups
efficiency efficiency miropower micropower solar solar wind wind geothermal geo bioenergy bioenergy hydro hydro
Ev Archive for January 2002
1762 messages, last added Wed Jan 30 10:47:15 2002

[Date Index][Thread Index]

RE: e-tek speed ratings




> -----Original Message-----
> From: owner-ev@listproc.sjsu.edu 
> [mailto:owner-ev@listproc.sjsu.edu] On Behalf Of Douglas Hartley
> Sent: January 30, 2002 5:06 AM
> To: ev@listproc.sjsu.edu
> Subject: Re: e-tek speed ratings
> 
> 
> The 3200 RPM minimum rating should be what you can expect (or slightly
> better) at a specific torque load (160 LBin) and at the rated voltage
> (50V)

The "nonload" qualifier accompanying the 3200RPM spec suggests that the
specific torque load is 0 (external to the motor's own internal drag
losses).  What makes you believe that the "nonload" RPM is measured with
a specific external load applied, and how do you arrive at the specific
value of 160 lb-in?

Cheers,

Roger.