| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5K40.00 | Motors and Generators | | |
| 5K40.10 | DC motor | PIRA 1000 | |
| 5K40.10 | DC motor | 5K40.10 | A coil is mounted between two magnetron magnets. |
| 5K40.10 | DC motor | Ei-19 | A large open coil is mounted between the poles of magnetron magnets to make a DC motor. |
| 5K40.10 | DC motor | E-147 | A circular loop of heavy wire between two solenoids with iron cores. |
| 5K40.10 | DC motor | E-146 | A coil in a "U" shaped magnet with a simple commutator. |
| 5K40.10 | DC motor | Disc 20-09 | A large model DC motor. |
| 5K40.12 | DC motor and lamp | Eq-5 | A DC motor
has a light bulb in series with the armature to indicate current flow as
the motor starts, comes up to speed, and is under load. |
| 5K40.13 | DC series and parallel motors | Eq-6 | A DC motor on a board allowing armature and field to be connected in series or parallel. |
| 5K40.15 | Faraday motor | PIRA 1000 | |
| 5K40.15 | Faraday motor | AJP 31(1),42 | Apparatus
Drawings Project No.33: A rod magnet sticks up through a pool on mercury
and a parallel conducting copper wire is free to move in a circle around
the magnet. |
| 5K40.15 | Faraday motor | E-7e | A model of the first electric motor developed by Faraday. |
| 5K40.15 | Faraday disc | Disc 20-14 | Spin a copper
disc between the poles of a horseshoe magnet with brushes at the center and
edge of the disc connected to a galvanometer. |
| 5K40.18 | simple motor | E-8c | A two coil, two magnet assembly illustrates simple generator principles. |
| 5K40.19 | simple speed control for DC motor | E-232 | A circuit to change speed and direction of a small DC motor. |
| 5K40.20 | DC & AC generators on galvanometer | PIRA 500 | |
| 5K40.20 | DC & AC generators on galvanometer | 5K40.20 | A coil mounted between two magnetron magnets is equipped with both commutator and slip rings. |
| 5K40.21 | motor waveform | E-228 | The armature
of a generator is rotated 10 degrees at a time to a ballistic galvanometer
and the result of 36 observations are plotted. |
| 5K40.25 | DC & AC generators on scope | PIRA 500 | |
| 5K40.25 | DC & AC generators on scope | 5K40.25 | The waveforms from the DC/AC generator are displayed on an oscilloscope. |
| 5K40.26 | ac and dc dynamo demonstration | AJP 49(7),701 | Abstract from the 1981 apparatus competition. |
| 5K40.27 | model generator | 31-2.15 | A generator built with small motor spun rotor in a large open solenoid shows operation of an ac generator. |
| 5K40.28 | light the bulb with a coil | 31-2.10 | A coil connected to a light bulb is mounted on a disk rotating between the poles of an electromagnet. Picture. |
| 5K40.29 | generator on the overhead | 31-2.14 | A hand crank generator designed for use on the overhead projector. |
| 5K40.40 | motor/generator | PIRA 200 | A large AC/DC motor/generator has both slip and split rings. |
| 5K40.40 | motor/generator | 5K40.40 | |
| 5K40.40 | motor generator | Eq-4 | An armature
with both slip rings and a commutator allows operation of a coil between
two magnets as either a AC or DC motor or generator. |
| 5K40.40 | motor/generator | 31-2.13 | A coil mounted between the poles of an electromagnet is rotated by hand as a generator or powered by a battery as a motor. |
| 5K40.40 | AC and DC generators | E-229 | Directions for making a large demonstration motor/generator. Picture. |
| 5K40.40 | ac/dc generator | Disc 20-15 | A large AC/DC generator with slip and split rings. |
| 5K40.45 | coupled motor/generator | PIRA 1000 | |
| 5K40.45 | coupled motor/generators | 31-2.16 | Two small permanent magnet dc motors are coupled so when one is driven mechanically, the other will spin. Picture. |
| 5K40.50 | simple induction motor | 31-2.17 | Bring a coffee can on an axle near two coils mounted at 90 degrees carrying ac with a capacitor in one line. |
| 5K40.53 | induction motor model | AJP 33(12),1082 | Suspend
a closed copper loop by a thread in the gap of a rotating magnetron magnet
and it will remain aligned with the rotating field. |
| 5K40.55 | synchronous motor | E-233 | Run an AC dynamo as a synchronous motor by supplying AC to the armature coils. |
| 5K40.56 | synchronous and induction motors | 31-2.20 | Three
pairs of coils in a circle produce a rotating magnetic field for use with
a permanent magnet or aluminum rotor. Picture, Construction details in appendix,
p. 1329. |
| 5K40.60 | three phase | E-250 | Directions for winding three coils of a three phase rotator. |
| 5K40.60 | three phase | E-248 | Directions for making a three phase winding and things to spin in it. |
| 5K40.61 | three phase | E-249 | Remove the rotor from a three phase induction motor and place a steel ball inside. |
| 5K40.64 | modified Rowland ring | 31-2.21 | An aluminum ring spins in the center of a three phase horizontal toroid. Picture. |
| 5K40.65 | two phase rotator | E-251 | How to make a two phase rotator get two phase from either three phase or two phase. Diagram. |
| 5K40.70 | counter EMF in a motor | E-230 | A lamp in series with a motor does not glow unless a load is placed on the motor slowing it down. |
| 5K40.71 | counter EMF in a motor | E-231 | Suddenly switch the armature of a shunt wound DC motor to a voltmeter while it is running. |
| 5K40.72 | back EMF in a motor | 30-2.10 | The circuit
that shows the effect of back EMF on current drawn by a motor under various
load conditions and after it is turned off. Diagram. |
| 5K40.73 | speed of AC motors under load | E-247 | Slip speed and phase shift are shown stroboscopically as the load is increased on induction and synchronous motors. |
| 5K40.75 | motor debunking | 31-1.12 | A copper
conductor in an iron tube in a magnetic field shows forces in most motors
are not caused by magnetic fields set up in the conductors. |
| 5K40.80 | hand crank generator | PIRA 200 | Use a hand cranked generator to light an ordinary light bulb. |
| 5K40.80 | hand crank generator | 1L50.30 | Light a bulb with a hand crank generator. |
| 5K40.80 | hand crank generator | 5K40.80 | A hand crank generator made with a 120 V DC generator is used with light bulbs. |
| 5K40.80 | hand crank generator | Mv-4 | A hand cranked generator is used to light an ordinary light bulb. |
| 5K40.80 | hand cranked generator | Eq-7 | Students light a bulb with a hand crank generator. |
| 5K40.80 | telephone generator | E-8b | An AC generator from an early telephone lights a 110 v lamp. Also- a single loop model and another generator. |
| 5K40.80 | hand cranked generator | Disc 03-16 | A hand cranked generator slows down in five seconds from internal friction or in one second while lighting a lamp. |
| 5K40.82 | AC and DC generator | E-7f | A small open hand crank generator. |
| 5K40.83 | bicycle generator | PIRA 1000 | |
| 5K40.83 | bicycle generator | 5K40.83 | A 2KW generator mounted on a bicycle is used with big lamps. |
| 5K40.85 | generator slowed by load | PIRA 1000 | |
| 5K40.85 | generator driven by falling weight | Disc 03-17 | A
weight on a string wrapped around the shaft of a generator falls more slowly
when there is an electrical load on the generator. |
| 5K40.99 | MHD power generator | AJP 41(2),203 | Discharge a toy rocket motor between the poles of a magnet and attach copper electrodes placed in the gas jet to a voltmeter. |