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Dann McCreary's Replication of the MXLO Magnetic MotorHalf-scale variant of MXLO design.
posted in reverse chronological sequence Fiddling Around: Pulsing the Rotor
From: "creatr" <creator@flyinghouse.com>
To: <pes_mxlo@yahoogroups.com>
Sent: Sunday, March 14, 2004 1:37 AM
Subject: [pes_mxlo] Comments and fiddling around....
A few comments about recent postings: I find the pictures and reports very helpful and even encouraging; thanks to all for sharing! Thanks for passing along answers from MXLO central. The "galaxy" pictures, although not MXLO, I found very interesting. Tero's implementation is also very nicely done, but I think, Tero, that you may have to cut the screws short inside your stator -- see comments below. This afternoon I spent a fair amount of time fooling around with my 1/2 scale implementation, just trying to develop a better "feel" for the fields and for possible variations on stator placement. What follows includes a good deal of speculation, so some of you may wish to "tune out" here.... :) One experiment that I did was to "drive" the rotor from above with a hand-held magnet -- although I've never done it, I think that it may have been kind of like stroking a Minato wheel. I could make it spin quite vigorously by moving the handheld magnet in various patterns. Of course, I was imparting the energy to make it move; but I was also getting a bit more of a "feel" for the motion and field interactions. Another thing I tried was to stick extra magnets on my rotor. I put some ceramic magnets on, both above and below the rotor. I wanted some below the rotor so that they would get better "engagement" with the aluminum strip. By the way, it is quite fascinating to place a long aluminum strip at a very steep angle (50-80 degrees) and let a neo magnet slide along it downward. You can keep it from slipping off the edge by tilting the strip left or right as it slides down. Experiencing that will give you a real sense of just how "real" the interaction of the rotor and the aluminum must be. One interesting (and I suspect important) aspect of the ceramic magnets on the rotor is that they mass more than Neos for an equivalent amount of magnetic force. Someone here has mentioned the possible importance of mass in the rotor for a "flywheel" effect. While I realize that all reports from MXLO indicate that the rotor should start and move on its own, I have still found it useful to move the rotor through its circuit with my finger in order to feel the forces involved. With the added ceramic magnets on my rotor, I could feel a smoother rotation. I could also feel more of the interaction between the magnets, the aluminum, and either locking up or gliding past the "sticky spots", depending on the various ways that I positioned the stator. All in all, today I got more of a sense that this device might really function if I get all these things playing together correctly. Trying to feel and visualize its operation, I have a sense that there could be an interesting dynamic interchange of angular momentum from a suitably heavy spinning rotor, EMF kickback from the aluminum plate, and a rippling perturbation of the spiraling torroidal stator field. I can almost picture the two rotor vanes "surfing" along a wave created by the wake of the rotor field as it intersects the aluminum and induces a fluctuation into the torroid. [...] Well, I know this has been rather long-winded and very speculative; but if you've read this far, perhaps you've caught a bit of the sense of what I've experienced playing with this thing today. Best regards, -Dann Tried following 'Timing' Instructions
From: "creator" <creator@flyinghouse.com>
To: "'Sterling D. Allan'" <sterlingda@pureenergysystems.com>
Cc: <KenH2K@aol.com>
Sent: Tuesday, March 09, 2004 2:13 AM
Subject: Re: Role of PES and role of MXLO
[...] > MXLO wishes to focus on a faithful replication of their plans, > giving first priority to their paying customers. Clearly understood. I realize that I'm not (yet :) a paying customer and don't expect Thomas to treat me as such. Furthermore, I also realize (and have tried to be very clear in my group postings) that I'm not really replicating, but just experimenting right at the moment; and not understanding the theory behind any of this, I'm sort of whistling into the wind... :) > That said, I do not wish to discourage the posting now of reports > of modified replication attempts. Just be sure to note clearly > that what you are posting is a modification. I certainly hope to continue experimenting (as time permits) and posting, and intend to make my postings as clear as possible; I even expect to buy parts for a faithful replication myself, especially if I see or hear that one is running. I have appreciated your postings from Thomas of comments on timing and tuning, but must confess to being somewhat mystified by some of his descriptions. Based on his comments, I've done some more "playing" with my unit, sitting there and moving my stator up, down, left, right, rotating it relative to the base, just trying to "feel" what's happening. I've even seen the rotor turn once or twice completely around, but not yet in a way to persuade me that I've hit the "zero point" (not being entirely sure as to what Thomas means by that. Also, his description of marking the base and not repeating areas is mysterious... Best regards, -Dann Magnets Were Backwards; Still no Rotation
From: "creatr" <creator@flyinghouse.com>
To: <pes_mxlo@yahoogroups.com>
Sent: Monday, March 08, 2004 12:55 AM
Subject: [pes_mxlo] Half-Size Build Modifications
I've uploaded some new pictures to my half-size build attempt folder.
I've tried several modifications: [also in message: Free
ems Software for CAD files] Photos & Observations from 1/2-size Build Attempt; Flux Lines Photos
From: "creatr" <creator@flyinghouse.com>
To: <pes_mxlo@yahoogroups.com>
Sent: Saturday, March 06, 2004 9:02 PM
Subject: [pes_mxlo] Builder Report
I've uploaded some photos of my first 1/2 size build attempt. You can see them in the "Files" section, "creator" folder and "Half-Size Build Attempt" subfolder. http://groups.yahoo.com/group/pes_mxlo/files/creator/Half-Size%20Build%20Attempt/ [click for enlarged view] Before you ask, No Joy yet... :) :( :)
Also after playing/meditating some more, I'm sure I'll have more observations
later... :) About Dann
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Page posted by SDA
March 4, 2004 |
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