Re: [EVGRAY] Sweet spot

Body

Oh I was wondering what up! .that's cool! You know that bedini style 4 inch
rotor motor is interesting but I'd just do the first unit because .of
misinformation going around if it lives up to claims well that's different .

On Thursday, March 7, 2019, Warren Keillor [email protected]
[EVGRAY] <[email protected]> wrote:

>
>
> James
> The "Golden motor" is a Chinese made bicycle hub motor, Found in a yacht
> club bulk hopper, and given to me without the controller as there was none,
> by a fellow sailor, very interested in my experiments.
> Looking them up on Google, there is lots of material about them, and they
> seem popular.
> It is three phase and very much in the same camp as the Samsung which is
> waiting for me in Toronto.
> Cheers Warren
> Sent from Yahoo Mail on Android
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
> On Thu, 7 Mar 2019 at 12:43 PM, James Glinski [email protected]
> [EVGRAY]
> <[email protected]> wrote:
>
>
> Warren is the term Golden motor a term that just you use or is it that
> name in general ? Oh thinks for the 150 watt motor tip .
>
> On Thursday, March 7, 2019, Mick [email protected] [EVGRAY] <
> [email protected]> wrote:
>
>
>
> Warren,
>
> You may want to limit the voltage going to the variac with some GDT's and
> use the excess the charge caps as the spikes from the magneto effect can
> cause enough voltage to punch through the varnish on your variac autoformer.
> These devices are not designed for voltages above the dielectric breakdown
> which can be a couple thousand volts, not at all hard to reach specially if
> switching the little motor through fast speed changes or switching the
> output by shorting the coils.  Current capacity may have little to do with
> it as it does not sound as if you had a load beyond the ability of the
> first autoformer.
> On 3/6/2019 6:30 PM, Warren Keillor [email protected]
> [EVGRAY] wrote:
>
>
>
> Doug
> I hope you can see the simple apparatus and arrangement I put together to
> try to find that sweet spot on the rpm range on my other email.
> The rpm was quite high compared to any bicycle wheel speeds, one could
> ever reach.
> I may well of travelled through the correct speed ande not known it since
> I was just doing a machinery check out. In storage, snow had gotten into
> the golden motor and it was seized up, so I had to take it apart, clean it,
> lube it, and put it back together.
> I thought I better check it out today doing a full speed run using a
> little load, a 40 watt incandescent  light bulb, and see how fast it could
> go.
> The range is good but needs a bigger variac, like my 30 amp, that I never
> consider load with, until I have to carry it across the barn yard in the
> snow.
> I have learned my lesson not to be lazy.
> Cheers Warren
> Sent from Yahoo Mail on Android
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
> 
>