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OS:MYLOW:Plans:Version 2.0:Instructional Videos

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Page first featured May 10, 2009

Mylow's How-To Instructional Videos for his All-Magnet Motor Version 2.0

Instructional videos by Mylow for building a magnet motor patterned after his Version 2.0 design as part of the Mylow Magnet Motor open source project.

This is to augment the Version 2.0 plans, also available in a less organized manner on this open source portion of the website. See OS:MYLOW:Plans:Version 2.0

Even though the HS-90 stator magnets are bigger proportional to the CB-65 rotor magnets compared to the ratio in Mylow's version 2.0 motor, the reason we went with them by way of recommendation is that in an earlier video, Mylow said that he got his bar-magnet version to run using the HS-90 he had on hand. It was “really wobbly,” but that was before Mylow had begun using the off-set stator arrangement, which appears to eliminate the wobble. Also, Mylow thinks that by backing the HS-90 magnets up higher, putting more distance between the rotor and stator magnets, that this will also be likely to reduce the wobble.


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Category > Mylow

Mylow is posting his videos at his YouTube channel: We're embedding them below, along with explanations.

He got his rotor and stator assembly from "Bob" from Utah County.


Instructional Videos

Video 1a: Magnets to be Used

Here Mylow shows the magnets that he got from Sterling D. Allan, which are available off-the-shelf, and which many of the replicators have as part of the plans also prepared by Sterling.

For magnet sources, see OS:MYLOW:Plans:Version_2.0#ROTOR: Bar Magnets for the CB-65 bar magnets, and OS:MYLOW:Plans:Version_2.0#STATOR: Horseshoe Magnets for the HS-90 rotor magnets.

Video 1b: Magnets Used

Mylow shows more of the magnets that he got from Sterling D. Allan, which are available off-the-shelf, as well as some of the other magnets he's had kicking around.

Video 1c: Rotor dimensions

Here, Mylow uses a caliper to measure his old rotor and bearing assembly (which isn't the one from Bob that he's using later in the instructional video series, but is the one he's had for years, and which he shows in earlier demo videos).

His rotor disc has a thickness of 5.15 mm. The bearing assembly shaft has a diameter of 51.03 mm. The opening for the bearing has a diameter of 35.02 mm. The length of the shaft to where the hub is that attaches to the rotor disc is 60.09 mm. The base that holds bearing has a diameter of 76.21 mm. It is 15.59 mm thick. The shaft protruding from the base has a diameter of 14.86 mm. It's length is approximately 18.5 mm

I should mention that I talked to Mylow's brother on May 6. He said that the bearing assembly portion was made from a 2" square aluminum rod, which he lathed to its cylindrical shape. The stock material is used for making high speed turbo pumps. He bore out the aluminum with a vertical drill press, to make way for the bearing and base shaft.

He said the aluminum disc is more shiny than the bearing assembly.

He said the rotor disc was made from a sheet of aluminum alloy (95%?) that is used for making gaskets. It is higher grade aluminum than what is used to make engine blocks, and has a higher tensil strength. -- Sterling

Video 2a: New Rotor-Stator Assembly from Bob

Mylow shows the rotor and stator assembly he got from "Bob" from Utah County. Bob didn't have time to remove his rotor magnets before shipping this to Mylow. They are not spaced properly to work with the HS-90 stator magnet, so Mylow will be removing them.

Video 2b: Holding Stator Magnets by Hand

Mylow holds his stator magnet (that he pulled from a 15-year-old electric motor) above both his motor then Bob's and they both rotate. (This isn't a definitive thing since he is holding it by hand, but it is nevertheless interesting.) Then he holds the HS-90 over both rotors and they both cog.

Video 3a: Clearing the Rotor Disc -- Knocking the Magnets Off

Mylow knocks off the rotor magnets that Bob put on the rotor. He uses the back of a screwdriver to prevent breaking the brittle ceramic magnets.

Video 3b: Clearing the Rotor Disc -- Razor Blade

Mylow scrapes the crazy glue residue off the aluminum disc. He suggests scraping with protected razor blade toward the edge of the disc, rather than along the perimeter.

  • M2U00188 – instructional video #3 part 2 removing old glue be careful use a scraper holder. (YouTube by magneticmotor1; May 10, 2000)
  • Back-up by PES Network, Inc.

Video 3c: Clearing the Rotor Disc -- Acetone

Mylow used finger nail polish remover (acetone) to remove the rest of the crazy clue residue.

Video 4a: Stator Magnets Prep

Here Mylow discusses the gap that should be between the two off-set stator magnets, and its relation to the gap between the rotor magnets. He plans to use the HS811N magnets from , which is the same as #07270 from (Ask for Felix at AllMagnetics and mention the "PES" promotion code for a discount.) This is the same magnets he used in his earlier Stonehenge design (version 1.1).

  • M2U00201 – video # 4 part 1. stator setup please pay attention to the way i set this up. (YouTube by magneticmotor1; May 12, 2000)
  • Back-up by PES Network, Inc.

Video 4b: Attaching Stator Magnets

Mylow glues the two HS811N stator magnets to the stator magnet support, using a couple of tiny drops of Krazy Glue. Make sure the polarity of the two stator magnets is oriented in the same direction.

Video 5a: Placement of First Two Rotor Magnets

Here, Mylow attaches the first two CB-65 rotor magnets (from, ask for Felix). He emphasizes that the gap nearest the perimeter between the rotor magnets should not exceed the gap between the two stator magnets. He shows the rotor magnets oscillating back and forth underneath the stator magnets.

Video 5b: Runs with Six Magnets

Mylow has his twin brother, Tony, with him, who is an engineer. After pushing the rotor magnets past an initial cog, they show the rotor pulling past the stator magnets with enough force to spin around and push through again, then again, picking up speed with each turn, before reaching an equilibrium speed.

The twins show themselves together in front of the running motor.

  • M2U00207 – video # 4 part 5. 6 bar magnet configuration (working smot device ) ???? next video will show all magnets on the rotor disk remember gaps are not the same on the rotor magnets. (YouTube by magneticmotor1; May 13, 2000)
  • Back-up by PES Network, Inc.

Video 5c: Spacing of Rotor and Stator Gaps

Mylow describes the spacing between rotor magnets compared to the spacing between stator magnets. Tears into for their perpetual skepticism.

Video 5d: Vertical Spacing of Stator

Mylow shows the vertical adjustement mechanism that Bob sent him. A ~3" washer threaded on the support screw enables a gradual movement up or down. Complains about the rude comments over at

Video 5e: Caliper Measurements Between Magnets

Mylow takes caliper readings of dimension between magnets.

  • M2U00210 - caliper readings of rotor magnets take notes there is no even thing here. (YouTube by magneticmotor1; May 14, 2000)
  • Back-up by PES Network, Inc.

Here's a recap:

NOTE: 3 new rotor magnets were added to the visual right of the original 5 (noted below)

Gaps of 9 rotor mags - from Right to Left

mag# outer inner
------------------------ 3 new mags
10.00mm 4.39mm
9.67mm 6.15mm
8.71mm 4.87mm
- - - original 5 below: - - -
8.95mm 5.38mm
9.39mm 6.48mm
9.11mm 6.50mm
9.96mm 5.45mm
9.43mm 5.90mm

(Note: inner gaps are not exact, he used other side of caliper)

Stator Gap: (parallel gap between horseshoe mags)
(7.12 was shown - after some caliper movement...)
(verbally stated off cam originally: 7.39mm & 7.31mm)

Stator Thin Overlap Gap:
(gap between overlap of horseshoe poles)
13.16mm minus thickness of horseshoe pole
(he measured inside of one gap, and then the outside of a horseshoe pole - so that thickness needs to be subtracted)

(minus about 8mm - don't have my digital caliper here)
equals about 5.16mm for Stator Thin Overlap Gap

Video 6a: Message to EnergyMaker100

Here, Mylow emphasizes that all magnets do not have the same magnetic strength, even though they might come from the same batch from the same manufacturer. The cutting of the magnets introduces differences. Hence, it isn't possible to just copy the spacing of magnets on his rotor.

Video 6b: Message to Andy Graham

Here, Mylow speaks to Andy Graham who has built a very nice-looking replication apratus. Mylow talks about various nuances of magnetic interplay and placement in these motors.

See also

- Other Open Source Projects
- PESWiki home page

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