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OS:CD Motor old egroup replications

Lasted edited by Andrew Munsey, updated on June 14, 2016 at 9:38 pm.

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OS:CD Motor

Image:CD Motor Harwood 95x95.jpg

OS:CD Motor

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OS:CD Motor FAQ

OS:CD Motor Construction

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OS:CD Motor old egroup replications

Discussion List

- Directory:CD Motor

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- PowerPedia:Adams Motor

Category:CD Motor

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Replications

'Old egroup replications of the CD Motor as describe in the OS:CD Motor.'

Old egroup replications of the CD Motor

As prepared by Tim Harwood, March, 2006.

Anonymous Motor

Image:Cdmotorcodrut.jpg

This was the first oscilloscope shot taken. While the commutation was transistor based, the back-emf was stil clearly 80% of input, and the motor and circuitry reportedly ran stone cold. The experimenter was somewhat shocked by his results. The scope shot proved the back-emf of properly constructed Adams motors has a genuine current component i.e. it not just a voltage spike.

Brian's Replication

Image:Cdmotorbrian.jpg

Brain's motor used bolts and 555 circuitry. It ran quite nicely once the pulse width was adjusted down.

Adeonkonade Replication

Image:Cdmotoradeonkonade.jpg

This motor exhibited a genuine temperature drop in operation - as validated by a digital temperature probe. 24 awg wire at about 3 ohms. Thanks go to Adeonkonade for that work.

General comments

The replications that worked best tended to be the ones that followed the instructions.

The effect occurs within a relatively narrow rotor / stator geometry window.

This ground breaking experiment, really did put "cold energy" in the hands of home experimenters.

The replications proved it.

See also

- OS:CD Motor - main page

- OS

- Main Page

Comments