[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: ARSG-BPS required with 2 MOTs? (fwd)



Original poster: List moderator <mod1@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Mon, 14 May 2007 21:01:39 +0000
From: nancylavoie@xxxxxxxxxxx
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: ARSG-BPS required with 2 MOTs? (fwd)

I'll have to try this once I upgrade the panel in my garage.Thanks. Wyatt

-------------- Original message -------------- 
From: "Tesla list" <tesla@xxxxxxxxxx> 

> Original poster: List moderator 
> 
> 
> 
> ---------- Forwarded message ---------- 
> Date: Mon, 14 May 2007 13:33:39 +0100 
> From: Paul Benham 
> To: Tesla list 
> Subject: Re: ARSG-BPS required with 2 MOTs? (fwd) 
> 
> Hi Wyatt, 
> 
> I now have four MOT's in the power supply. Two are in series and another 
> two are in parallel with these. I have two current balancing transformers, 
> one for each pair of paralleled MOT's. They are made using 125VA toroidal 
> cores with 55+55 turns on them. All the transformers have the shunts 
> removed. 
> 
> I use 2.5uF on each of the four inputs to the full wave doublers and a 0.5uF 
> output filter capacitor which is going to be increased soon. 
> 
> I do not have a website. 
> 
> Best regards, 
> 
> Paul 
> 
> P Benham 
> R&D Engineer 
> 
> Wood & Douglas Ltd 
> Lattice House 
> Baughurst 
> Tadley 
> Hants RG26 5LP 
> United Kingdom 
> 
> Tel : +44 (0) 118 981 1444 
> Fax: +44 (0) 118 981 1567 
> www.woodanddouglas.co.uk 
> www.cofdm.com 
> 
> This e-mail and any attachments are confidential and may contain information 
> that is legally privileged. If you are not the named recipient, or 
> responsible for delivering the message to the named recipient, you must not 
> disclose, distribute, forward, copy, store or use this e-mail or its 
> attachments in any form. If you have received this communication in error, 
> please accept our apologies and promptly inform the sender by e-mail or by 
> telephoning the number above. You are also requested to delete this message 
> and any attachments from your systems immediately. Although this e-mail and 
> its attachments have been checked by an up-to-date virus-checking program 
> before transmission, Wood & Douglas Ltd cannot accept liability for any 
> damage sustained as a result of software viruses that maybe present. 
> 
> Registered Office: Lattice House, Baughurst, Hants, RG26 5LP 
> Registration No: 2844692 
> ----- Original Message ----- 
> From: "Tesla list" 
> To: 
> Sent: Saturday, May 12, 2007 7:01 PM 
> Subject: Re: ARSG-BPS required with 2 MOTs? (fwd) 
> 
> 
> > Original poster: List moderator 
> > 
> > 
> > 
> > ---------- Forwarded message ---------- 
> > Date: Fri, 11 May 2007 01:49:32 +0000 
> > From: nancylavoie@xxxxxxxxxxx 
> > To: Tesla list 
> > Subject: Re: ARSG-BPS required with 2 MOTs? 
> > 
> > Thanks for the input.Are you pulling this off with only two MOTs?If so do 
> you have a site I could check out for a better idea of what you're doing? 
> Thanks again. Wyatt 
> > 
> > -------------- Original message -------------- 
> > From: "Tesla list" 
> > 
> > > Original poster: "Paul Benham" 
> > > 
> > > Hi Wyatt, 
> > > 
> > > You will find that the voltage output drops as you increase the BPS 
> unless 
> > > you have an awfully large capacitance in your power supply. Capacitive 
> > > multipliers only charge the output capacitor on every other half cycle 
> > > unless you run full wave doublers in which case it is every half cycle 
> which 
> > > is still only 100/120Hz. I run from 100-300BPS because of this using an 
> > > ARSG. I also use inductive charging on the output with a de-quing diode 
> to 
> > > double the voltage again. Currently I get 8.5' arcs to ground. I have 4 
> > > electrodes on the rotary which goes up to 5000rpm. 
> > > 
> > > Best regards, 
> > > 
> > > Paul 
> > > 
> > > P Benham 
> > > R&D Engineer 
> > > 
> > > Wood & Douglas Ltd 
> > > Lattice House 
> > > Baughurst 
> > > Tadley 
> > > Hants RG26 5LP 
> > > United Kingdom 
> > > 
> > > Tel : +44 (0) 118 981 1444 
> > > Fax: +44 (0) 118 981 1567 
> > > www.woodanddouglas.co.uk 
> > > www.cofdm.com 
> > > 
> > > This e-mail and any attachments are confidential and may contain 
> information 
> > > that is legally privileged. If you are not the named recipient, or 
> > > responsible for delivering the message to the named recipient, you must 
> not 
> > > disclose, distribute, forward, copy, store or use this e-mail or its 
> > > attachments in any form. If you have received this communication in 
> error, 
> > > please accept our apologies and promptly inform the sender by e-mail or 
> by 
> > > telephoning the number above. You are also requested to delete this 
> message 
> > > and any attachments from your systems immediately. Although this e-mail 
> and 
> > > its attachments have been checked by an up-to-date virus-checking 
> program 
> > > before transmission, Wood & Douglas Ltd cannot accept liability for any 
> > > damage sustained as a result of software viruses that maybe present. 
> > > 
> > > Registered Office: Lattice House, Baughurst, Hants, RG26 5LP 
> > > Registration No: 2844692 
> > > ----- Original Message ----- 
> > > From: "Tesla list" 
> > > To: 
> > > Sent: Friday, May 04, 2007 5:54 AM 
> > > Subject: ARSG-BPS required with 2 MOTs? 
> > > 
> > > 
> > > > Original poster: nancylavoie@xxxxxxxxxxx 
> > > > 
> > > > I've recently built a 2 MOT power supply complete with a voltage 
> > > > doubling set up and capacitive current limiting deal per Greg Hunters 
> > > > awesome site.Want to try it out on both of my already built coils 
> > > > (ones a 4" and the other is a 6" secondary).Its pretty obvious to me 
> > > > that the old static gap and vacuum motor I was using with my neons 
> > > > isn't going to cut it anymore.What I want to know is how exactly do I 
> > > > calculate the ideal BPS for such a set-up and how do I achieve this 
> > > > with an asynchronous motor turning 1725 RPM? Thanks in advance! Wyatt 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > This message has been scanned for viruses by MailController - 
> > > www.MailController.altohiway.com 
> > > > 
> > > 
> > > 
> > 
> > 
> > 
> 
> 
>