From: Phil Hobbs on 7 Aug 2010 15:16 On 8/6/2010 7:31 PM, Rich Grise, Plainclothes Hippie wrote: > I was just musing the other night about Tesla's AC and how it > revolutionized electric wiring, with the step-up transformers and > all. > > Well, if you start with, say, 100V, you need to carry 1 amp to power > a 100W light bulb. > > But if you step up the 100V to 1,000V, you only need wire that can carry > 100mA. > > And if you step it up to 1,000,000V, you only need 100 _micro_ amps. > > So, logically, if you could step up the voltage enough, you shouldn't > need any wires at all! > > Unfortunately, the darned electrons arc over to stuff before they get > to the destination transformer. )-; > > But, in fairness, those guys were just discovering electricity for the > first time, and NOBODY knew anything about how it might behave. > > Thanks, > Rich > Tesla had an excellent excuse, but the modern Tesla enthusiasts don't. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal ElectroOptical Innovations 55 Orchard Rd Briarcliff Manor NY 10510 845-480-2058 email: hobbs at electrooptical dot net http://electrooptical.net
From: krw on 7 Aug 2010 18:05 On Sat, 07 Aug 2010 15:16:33 -0400, Phil Hobbs <pcdhSpamMeSenseless(a)electrooptical.net> wrote: >On 8/6/2010 7:31 PM, Rich Grise, Plainclothes Hippie wrote: >> I was just musing the other night about Tesla's AC and how it >> revolutionized electric wiring, with the step-up transformers and >> all. >> >> Well, if you start with, say, 100V, you need to carry 1 amp to power >> a 100W light bulb. >> >> But if you step up the 100V to 1,000V, you only need wire that can carry >> 100mA. >> >> And if you step it up to 1,000,000V, you only need 100 _micro_ amps. >> >> So, logically, if you could step up the voltage enough, you shouldn't >> need any wires at all! >> >> Unfortunately, the darned electrons arc over to stuff before they get >> to the destination transformer. )-; >> >> But, in fairness, those guys were just discovering electricity for the >> first time, and NOBODY knew anything about how it might behave. >> >> Thanks, >> Rich >> > >Tesla had an excellent excuse, but the modern Tesla enthusiasts don't. Why? Both were/are mad. ;-)
From: Grant on 7 Aug 2010 18:09 On Sat, 07 Aug 2010 15:16:33 -0400, Phil Hobbs <pcdhSpamMeSenseless(a)electrooptical.net> wrote: >On 8/6/2010 7:31 PM, Rich Grise, Plainclothes Hippie wrote: >> I was just musing the other night about Tesla's AC and how it >> revolutionized electric wiring, with the step-up transformers and >> all. >> >> Well, if you start with, say, 100V, you need to carry 1 amp to power >> a 100W light bulb. >> >> But if you step up the 100V to 1,000V, you only need wire that can carry >> 100mA. >> >> And if you step it up to 1,000,000V, you only need 100 _micro_ amps. >> >> So, logically, if you could step up the voltage enough, you shouldn't >> need any wires at all! >> >> Unfortunately, the darned electrons arc over to stuff before they get >> to the destination transformer. )-; >> >> But, in fairness, those guys were just discovering electricity for the >> first time, and NOBODY knew anything about how it might behave. >> >> Thanks, >> Rich >> > >Tesla had an excellent excuse, but the modern Tesla enthusiasts don't. But they seem to take so much care in winding that tall secondary, they look quite pretty, that shiny enamelled wire cylinder. Quite useless, except for the Buzzt! factor long sparks ;) > >Cheers > >Phil Hobbs
From: Phil Hobbs on 8 Aug 2010 01:35 On 8/7/2010 6:09 PM, Grant wrote: > On Sat, 07 Aug 2010 15:16:33 -0400, Phil Hobbs<pcdhSpamMeSenseless(a)electrooptical.net> wrote: > >> On 8/6/2010 7:31 PM, Rich Grise, Plainclothes Hippie wrote: >>> I was just musing the other night about Tesla's AC and how it >>> revolutionized electric wiring, with the step-up transformers and >>> all. >>> >>> Well, if you start with, say, 100V, you need to carry 1 amp to power >>> a 100W light bulb. >>> >>> But if you step up the 100V to 1,000V, you only need wire that can carry >>> 100mA. >>> >>> And if you step it up to 1,000,000V, you only need 100 _micro_ amps. >>> >>> So, logically, if you could step up the voltage enough, you shouldn't >>> need any wires at all! >>> >>> Unfortunately, the darned electrons arc over to stuff before they get >>> to the destination transformer. )-; >>> >>> But, in fairness, those guys were just discovering electricity for the >>> first time, and NOBODY knew anything about how it might behave. >>> >>> Thanks, >>> Rich >>> >> >> Tesla had an excellent excuse, but the modern Tesla enthusiasts don't. > > But they seem to take so much care in winding that tall secondary, > they look quite pretty, that shiny enamelled wire cylinder. Quite > useless, except for the Buzzt! factor long sparks ;) >> I'm not talking about Tesla _coil_ enthusiasts. They're obviously doing worthwhile stuff--I mean, making 20-foot sparks is at least as useful as blowing up anthills with dynamite, for instance. Blowing up stuff is a logical consequence of having testosterone, it's fun, and it's occasionally a life saver. It's the wireless power transmission / over unity / extracting continuous power from permanent magnets / loony types I'm fed up with. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal ElectroOptical Innovations 55 Orchard Rd Briarcliff Manor NY 10510 845-480-2058 email: hobbs at electrooptical dot net http://electrooptical.net
From: m II on 8 Aug 2010 02:03
Phil Hobbs wrote: > I'm not talking about Tesla _coil_ enthusiasts. They're obviously doing > worthwhile stuff--I mean, making 20-foot sparks is at least as useful as > blowing up anthills with dynamite, for instance. Blowing up stuff is a > logical consequence of having testosterone, it's fun, and it's > occasionally a life saver. My personal favourite was stuffing CO2 cartridges with wooden match head scrapings. Not ONE of the launch attempts actually performed like a rocket. They all blew up and grossly disfigured the angle iron launching ramps. One 'trial' managed to uncurl a bit of decorative wrought iron railing that was holding the cylinder. On a Sunday morning, 8 AM. The echo from the blast came back from a large building a block away. We cleared out of there NOW! We were all lucky not to get killed or maimed by the shrapnel. There seemed to be a continent wide scourge of kids getting damaged by homemade rockets. The safe, commercially made model rockets were still years away. It must have all been a billion to one odds series of events, as we all know that testosterone has NEVER, EVER caused stupidity in male adolescents. mike |