*To*: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>*Subject*: Re: [TCML] Dual identical FRANCE neon sign transformers (15000v60mAeach) in parallel*From*: "Dave Halliday" <dh@xxxxxxxxxxxxxx>*Date*: Sun, 22 Feb 2015 20:06:43 -0800*Delivered-to*: teslaarchive@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*In-reply-to*: <6D72C87C-5A8E-44E5-AC0F-A84375577926@gmail.com>*List-archive*: <http://www.pupman.com/pipermail/tesla/>*List-help*: <mailto:tesla-request@pupman.com?subject=help>*List-id*: Tesla Coil Mailing List <tesla.pupman.com>*List-post*: <mailto:tesla@pupman.com>*List-subscribe*: <http://www.pupman.com/mailman/listinfo/tesla>, <mailto:tesla-request@pupman.com?subject=subscribe>*List-unsubscribe*: <http://www.pupman.com/mailman/options/tesla>, <mailto:tesla-request@pupman.com?subject=unsubscribe>*References*: <5ocy7mahwhk4d854j46j951e.1424533364914@email.android.com><CAL4hW5+NT2Bc8jY2YuwfVrSdyOwNDYqLcZQZkrZaV1KYQmoZfg@mail.gmail.com><8D21C3394218942-1BC0-A05E8@webmail-vm036.sysops.aol.com><3F5688F2-46A9-4A9D-A216-5E6A0AC1561F@gmail.com><247E313A191C49089FCDFE866AD61E8C@photo> <6D72C87C-5A8E-44E5-AC0F-A84375577926@gmail.com>*Reply-to*: Tesla Coil Mailing List <tesla@xxxxxxxxxx>*Sender*: "Tesla" <tesla-bounces@xxxxxxxxxx>*Thread-index*: AdBO+9MmiPtLle6CSda7Gt54v25ikQAIfyag

Hi Tim Now would be the time to play around with any of the tesla design programs out there. Run the numbers first. Dave > -----Original Message----- > From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Tim Gilmore > Sent: Sunday, February 22, 2015 15:30 > To: Tesla Coil Mailing List > Subject: Re: [TCML] Dual identical FRANCE neon sign > transformers (15000v60mAeach) in parallel > > Dave, > > We do have a Granger and a Menards (like Home Depot) but a > bit further away. For now I'd like to know if the 2 foot > length (6 inch diameter) is worth using or try to find > something at Grangers in 6" a bit longer. Or go with the 2 > foot (4 inch diameter) one? > > Thanks, Tim > > > On Feb 22, 2015, at 4:27 PM, Dave Halliday > <dh@xxxxxxxxxxxxxx> wrote: > > > > If your neighborhood is large enough to support both a > Lowe's and HD, it > > should be large enough to have a commercial plumbing company. > > > > Go to them and see if they could sell you a length of 8" > PVC tube. Explain > > what you are doing and if they are interested enough, they > might give it to > > you. > > > > Be prepared to pay though - Grainger's has a 10' length of > 8" schedule 40 > > (thin wall) for $138.60 > > > > > http://www.grainger.com/product/HARVEL-Pipe-22FR49?functionCod e=P2IDP2PCP > > > > > >> -----Original Message----- > >> From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of > Tim Gilmore > >> Sent: Sunday, February 22, 2015 11:45 > >> To: Futuret; Tesla Coil Mailing List > >> Subject: Re: [TCML] Dual identical FRANCE neon sign > >> transformers (15000v60mA each) in parallel > >> > >> I went to Lowes and found a greenish 6" pvc? Tube BUT it's > >> only 24" and the only 6" pipe they carry. Also went to Home > >> Depot and bought a 4" standard pvc whitish tube but only 24". > >> They do carry longer 4" pipe but it would need to be cut from > >> a 5' length. > >> > >> Since I'm using 2 15000v 60mA NST I'm thinking I will need to > >> use the 6" pipe but for 1200 turns Ill need 26 gauge for 22" > >> but leaves me with a 3.5:1 ratio. Is this good enough not > >> being at 4:1 or 5:1 ratios - or is it better to just use the > >> more common 4" pipe (2' or buy a taller one) with the 2 NSTs? > >> > >> Thanks, Tim > >> > >>>> On Feb 21, 2015, at 3:22 PM, Futuret via Tesla > >>> <tesla@xxxxxxxxxx> wrote: > >>> > >>> > >>> Tim, > >>> > >>> The secondary does not need to be as tall as the spark is > >> long. For example > >>> my TT-42 coil has an 18" tall secondary and gives 42" > >> sparks. However sparks > >>> are more likely to arc down from the toroid and strike the > >> primary if the secondary > >>> is too short. I often place a smaller toroid below the > >> main toroid to raise up > >>> the main toroid some to keep sparks away from the primary. > >> The length > >>> of the sparks has a lot to do with the current in the arc > >> and the growth > >>> of sparks over successive gap firings. It seems to me that > > > > _______________________________________________ > > Tesla mailing list > > Tesla@xxxxxxxxxx > > http://www.pupman.com/mailman/listinfo/tesla > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxx > http://www.pupman.com/mailman/listinfo/tesla _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla

**References**:**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v 60mA each) in parallel***From:*David Rieben

**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v 60mA each) in parallel***From:*Timothy Gilmore

**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v 60mA each) in parallel***From:*Futuret via Tesla

**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v 60mA each) in parallel***From:*Tim Gilmore

**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v60mA each) in parallel***From:*Dave Halliday

**Re: [TCML] Dual identical FRANCE neon sign transformers (15000v60mA each) in parallel***From:*Tim Gilmore

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