Howard Johnson Replication Tube Claim

[hansvonlieven]

@ Bill,

Take that keeper off and see where that gets you after a while. (On a horseshoe magnet that is) That is why it is called a keeper. It keeps the magnetism intact.

Hans von Lieven

[Grimer]

@AbbaRue,

Interestingly, way back during the times of Steorn brouhaha we were discussing the quasi-one-pole reshaping of their field as the solution. There was this 5-magnet array whose name escapes me now which creates such quasi-one-pole magnetic field. If you go back in this thread I mentioned it to Stefan as a possibility here as well. Would be interesting if that’s the case here too.

Well done Omnibus. You're not just a pretty face then. You have put your finger on the spot. It is indeed the Halbach array in the case of both the Kinetica toy and the Mylow motor which is giving rise to the quasi-adiabatic legs on the Mylow Cycle.

It's all over then innit.  - bar the shouting.

Who's going to be the first to replicate Mylow's Motor?

[wattsup]

OK, I got my wheel done, and still need to buy small more neos.

I don't want to get into the glue. I am looking for a plastic trim edge to slip on the wheel rim and I will put the magnets in and use plastic spacers between the neos. This way I can simply move spacers around to change the "neospaces" and they won't fly out and hit me in the chin.

See pictures. The third picture is what I am thinking of using to secure any stator angle. Basically a microphone stand.

This wheel does not have the high inertia potential as all you guys. I turn it by hand hard and it turns for about 15-20 seconds. So I am not counting on wheel momentum. I will be concentrating on the fields. Also, keep in mind that a wheel does not have to be self-starting. Self starting means nothing. If without a stator my hand spin will last 15 seconds and with the stator it lasts hours, does that say something. Helloooooooooo. What we should also consider is some designs may require one to spin it and use the stator to keep it turning from that point on because until the wheel gets to a certain spin rate, it may not turn on its own and this is perfectly acceptable in any scientific point of view.

WHEEL - SPECIFICATIONS
Aluminum Pizza Pan 15.25"
Drill center 5/8" and bolts 1/4".
APP Bearing www.kml-bearing.com UCFL-201-08
http://www.kml-bearing.com/products/bearings/mounted_bearing_units_and_inserts_show.jsp?bearing_no=UCFL201-8&cat_id=11010501
Riser Shaft  1/2" SS Length can vary
Wheel Base - Any solid material with two 1/2" bearings in the center.
Neo magnets 1/2" dia. by 1/4" thick - poles through thickness.

I stuck some magnets together from over and under the pan and tried some "statoring" angles and it wants to turn but I need more magnets.

What has bugged me was Mylow tried with two stators and it did not work.
Then I realized his odd number of rotors and spacing makes it impossible because there is never a common point between the two stators. Their mutual timing will always change versus the other as the rotor turns.
Then I thought about this. Again the 3-6-9.
Set of three, pack of six, nine packs which gives 54 rotor magnets.
This will permit using at least 3 stators and this way multiple stators would have a common timing point.

So I will try 54 rotors, in three phase, 3 sets of 6 per phase.
Now to calculate my spacer widths. lol

Then I can play too...................

@Mylow

If you read this, please take one of your channel rotor magnets and lift as much iron as you can with it, then weigh the iron and please tell me how much it lifted. I need to know this before I decide what channel rotor magnets to test. I can make two pizza pans, one with neo magnet and one with channel magnet who cares. It's only Pizza. Too me it looks like your rotor could lift maybe 1 pound, but I really, well we really, need to know this. This will tell me what I need for my wheel based on that number. If you can do this, I will change the name of the wheel to any topping you desire. lol. We aim to please. If you can find some small iron washers and put them on a scale, see how much it is, then put your magnet and lift as many washers as possible and see the scale again. Example: 2-lb of washers. Lift washers with magnet. 1-lb of washers left on the scale means you lifted 1 pound. That's all I need to know. Then we all could use the same iron washer spec as a comparison. That's how we all can learn more. Thanks.

[carbonc_cc]

@wattsup:  Looks good man!

I'm pretty sure that the neo's will have issues.  I would just save some cash and go for just the channel magnets.

Is your microphone pole aluminum or some other magnetic metal?

[HiggsField]

I see that know body has rushed to build my Popsicle stick motor.A little unfair perhaps as my breakthrough announcement was made only some 10 hours ago.

I came to this forum via a news thread. Having read a good many of the postings in amongst the ranting of PL, it seems fairly clear than many folks here have little or no technical eduction (not being rude, just an observation). I have little doubt that Mylow was successful in achieving continuous rotation for a while, but the fact that his stator magnet depleted  tells us something quite important. From what I can gather H. Johnson had similar problems. Here is why I think this happens:

1. Magnets represent a source of stored magnetic potential energy.  You can demonstrate this quite simply. Secure a magnetic to a beam. Hang weights from it. You will reach a point were the magnetic can no longer hold the weights. The stored P.E. in the magnet will be mg (mass x gravity = weight) x height above the earth; i.e the P.E. stored in the weights balances out the   P.E. stored in the magnet. When the weights are removed the all the P.E. is returned to the magnet and it regains its strength. Important note, in this setup no WORK is being done, hence the weight hangs there for several eons.

2. It would seem logical that the stator magnet will deplete because in Mylow's setup he is asking the magnets to do WORK. … I take my hat off to Mylow for his efforts as he was able to do what Steorn could not do... In doing work (represented by bearing friction + windage + noise), he is extracting energy from the magnets. Hence, I would expect the magnetic potential energy to be used up and as a result become demagnetize.

3. My aim now is to build a new Popsicle motor, one I can be proud of and prove my thesis. Using iron magnets for the stator should mean that the the depletion effect will happen sooner, neos have much more stored magnetic P.E..

One final comment: there seems to be an interested push/pull effect happening that drives the rotor without cogging. And regarding the Aluminum disc, this is not I believe important to the motor, in fact it will likely contribute to the Work load via eddy current heating. Wood or plastic would I think be a better choice.