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> Open Sourcing Projects > Magnetic
Motors > Bowman
> Instructions > How Motor Works
How the Bowman Magnetic Motor Works
How it Works
Here are some sketches Mann pulled together using a rudimentary drawing
program. Sizes and shapes are not precise. The purpose is to
illustrate the field interaction during rotation.
Douglas A. Mann's Sketches
Front face view
Net resistance is zero without actuator in place.
(Target [after tuning]) Rotors spin freely as if no magnets exist.
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| Introduction of Actuator magnet begins rotors in motion.
Mann says some of the lines of magnetic force are drawn to the actuator,
freeing up the lines of force from other magnets in vicinity, allowing
magnets in QA1 to do work. |
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Note: When the Actuator is placed in the QA2 region, the
rotation direction reverses.
Note: The optimal position for power output is for the actuator
to be in the QR2 region in an attracting mode. |
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Top view
Note labeling of the "Attracting rotor" and "Repulse Rotor"
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| Actuator magnet must be placed equally repelling North, and attracting
South poles of the power rotor magnets, so there is no load on the power
rotor from the Actuator magnet fields. The effect of the Actuator will
take up most of the flux from the passing power rotor magnets. This will
reduce the force QR2 in figure 1. Then the force QA1 in figure 1 will
cause rotation. |
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Important note relevant to strength of magnets and diameter of rotors:
If the magnets are too strong, the fields will overlap and interfere. If
they are too weak, the device will not self-start when the actuator is put in
position.
Where Next
Page composed by Sterling
D. Allan, Dec. 14, 2003
Last updated November 06, 2004
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Bowman
Magnet Motor Open Sourcing Project
