BPS and 1800 RPM Sync Motor

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Daniel McCauley by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>


Okay thanks.  I forgot to convert 1800 RPM to Rev/seconds which is 30.
Therefore a rotor with 4 electrodes would be 120 BPS.

Dan




> Hi Dan,
>
> See the post at:
>
> http://www.pupman-dot-com/listarchives/2000/August/msg01085.html
>
> For sync gap LTR coils, the BPS rate is always twice the line frequency at
> 100 or 120 BPS.  It is critical that these BPS rates are used.
>
> No worries about small differences in primary cap value.  +-10% is fine.
>
> Cheers,
>
> Terry
>
>
> At 09:40 PM 7/21/2002 -0400, you wrote:
> >So looking at the Geek Group MMC chart, the value of my MMC for a SRSG
for a
> >15/60 NST should be 0.0277 uF.
> >
> >Does this value depend on the actual BPS of the spark gap, or is it a
fixed
> >value?  I know i read something on it that it is designed to a max which
> >occurs at 120BPS.
> >
> >Also, is there any harm in using a MMC that has a value of 0.022uF as
> >opposed to 0.0227uF???
> >
> >Thanks again
> >
> >Dan
> >
> >
> >
>
>
>
>