Oops, make that the reported "0.5 to 1.0 MegaCoulombs excess negative charge of the earth".
I gather it's split between the surface and the positive charge of the ionosphere. Fred > [Original Message] > From: Frederick Sparber <[EMAIL PROTECTED]> > To: <[email protected]> > Date: 1/27/2007 8:17:14 AM > Subject: RE: [Vo]: Re: Re Van de Graaf Antics > > Michel Jullian wrote. > > > > Nice experiment Fred! Wrt the weight changes, it behaves qualitatively as > expected doesn't it? > > > Thanks. Yes the "leakage" around the room and ion wind is pronounced too. > > > > Did the discharge hurt a lot? > > > No, just startles you. > I'm practicing with it so I can see if the VDG can pump charge between > an inner chamber and an outer shell of a "lifter/spacecraft" with > putatively no > net charge wrt earth ground, to see if it will exert a force on the reported > "0.5 to 1.0 megajoule excess negative charge of the earth". > > Fred > > > > > Michel > > > > ----- Original Message ----- > > From: "Frederick Sparber" <[EMAIL PROTECTED]> > > To: <[email protected]> > > Sent: Saturday, January 27, 2007 1:29 PM > > Subject: [Vo]: Re Van de Graaf Antics > > > > > > >A recently acquired Acculab VIC 10KG digital scale (10,100 grams) > > > with +/- 1.0 gram resolution and a Science First > > > model 10-060 (200 KV) Van de Graaff generator which specifies > > > a "Positively Charged Sphere", with a how it works explanation, > > > makes for some interesting endeavors. > > > > > > Setting the VDG on the scale (sitting on a throw rug on a carpeted > floor) > > > shows a weight of 1509 grams. > > > When the VDG is running the weight increases to 1512 grams, and when > > > a ~ 2 ft square aluminum sheet is held flat about 4 inches above the > globe > > > the reading drops to 1490 grams until it sparks through me and goes > back up > > > to 1511 grams. It seems like the whole room is electrified along with > > > the smell of ozone. > > > > > > I had planned set it on the scale with it sitting atop an aluminum foil > sheet laying > > > on a 3 inch thick Styrofoam plank and using a bank of D batteries > > > feeding an inverter feeding the scale and VDG > > > so it can "pump" electrons between the globe and the > > > foil so that there wouldn't' be any net charge on the setup wrt ground, > > > and watching for weight change when a grounded sheet of > > > aluminum foil is held above the globe. However... suggestions??? > > > > > > Fred > >
