Terry Blanton wrote, > > Howdy, Richard, > > We have a new magnetic motor under construction with Paul Sprain. The > new electromagnet weighs almost fifty pounds. The whole assembly will > probably be 1/4 ton when we finish. > > Although we have a high magnetic gradient in the spiral, we are > finding that our maximum RPM is limited by the inductance of the > electromagnet. The same will likely be the case with your experiment. > > From Sparber's favorite site: > > http://hyperphysics.phy-astr.gsu.edu/hbase/electric/indtra.html > > the current in the inductor reaches roughly 2/3rds it's maximum value > at L/R seconds. The hard part is determining the value of L. This > will tell you whether what you want to do is even possible. > Easy to figure L, Terry, go 2 L and divide by 2. :-)
Fred > Terry > > On 12/17/06, RC Macaulay <[EMAIL PROTECTED]> wrote: > > > > Howdy Vorts, > > > > Been in discussion with some making suggestions for our next series of > > experiments for water vortex studies. One suggestion was to use the > > discharge of a high voltage Tesla coil and fire that voltage across spiral > > wound springs ( 1/2" gap), one of iron and one of aluminum ( a sparkplug if > > you may). The springs would be mounted inside a clear PVC 4" pipe shrouding > > the water vortex and the spiral springs configured to approach the shape of > > the water vortex upward flow. The idea would be to increase the frequency of > > bursts to the resonant frequency of water. If this would be possible it may > > supplant the need for an ultrasonic horn configuration and transponder. > > Hmmm.. > > > > Electronic wizards??? can an electronic firing circuit be made that is > > capable of this number of bursts? My ole model A spark coil, condensor and > > points don't seem vigorous enough. > > > > Richard > > > > >

