Hi EIS'ers, All Electronics 1-800-826-5432, has a pulse width modulator for small motors. Input is 3 to 6 volts. Works fantastic. I have used many. Part #EM-114 and sells for $3.50. They have neat 1 1/2 v dc motors 2 or $1.00 part #DCM-202
"Ole Bob" Ode Coyote wrote: > The simplest way to control that motor is to use a single D cell to run > it and a heafty pot to control the speed. [wire wound?] > Dropping 27 volts down to about .5 volts so the motor will run slow > enough dissipates a lot of heat and will kill your nines off in a hurry for > no reason and toast most potentiometers. Flat wide motors have more torque > at the lower speeds. Grab one out of an old CD rom drive. > You'll want to run it very slowly to prevent silver/hydrogen bubble > deposit buildups [the dread grey fuzzies] and the formation of 'chunks and > sparklies'. > The best way is to get a $$$ pulse width modulation device. Where? I > dunno. > Ode > -- The silver-list is a moderated forum for discussion of colloidal silver. Instructions for unsubscribing may be found at: http://silverlist.org To post, address your message to: [email protected] Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <[email protected]>

