Howard Johnson Replication Tube Claim

[i_ron]

@i_ron

I was also thinking about a two piece but I am sure the one piece will be better and not risk any stray fields from exiting between a two piece design. I will start a cad drawing of both tonight and send it to my CNC guy. I will also have a bolt thread under each rotor and will design the disk to have some sliding opening that will make for easy spacing adjustments from inter 3-set spacing to all equal spacing. The gluing seems too permanent. Also, I will only use only three sets and not include the fourth to ensure SYMMETRIC DESIGN. lol

I am also thinking of putting a lever to adjust the angle of the stator magnet to see if it will turn any faster.
snip

wattsup,

I am all gung ho for this so don't want to sound too negative, but, I am still favoring the three piece.
For example how would you get a neo to slide into a pocket? you would have to allow vertical
clearance, then you would have an airgap. I see your point on stray fields but a sheet metal shield
in the cut out would keep that in check.

The lever idea is good. I was even thinking of having tipping control over the stator.

Edit: also if you position the neo off center, like towards the north pole you can control the
relative field strength of the stator, making the north pole stronger in relationship to the south pole.

I have a 3/16th x 16 inch aluminum disc, (left over from another project) so will be watching
your build closely, lol

Ron

[PaulLowrance]

If he posts a 10min video on youtube without speaking in the background (or perhaps 60min on google video, preferably) we can time it precisely and determine whether or not there's wind down. No need for a tach. Do you remember the similar measurements we did using the 40min videos of Finsrud's device? There was no winding down there.

And also a digital clock displaying seconds in the viewing screen would help in case his personal handheld video camera's timing sways a bit over 10 minutes period.

PL

[CLaNZeR]

@CLaNZeR,

If he posts a 10min video on youtube without speaking in the background (or perhaps 60min on google video, preferably) we can time it precisely and determine whether or not there's wind down. No need for a tach. Do you remember the similar measurements we did using the 40min videos of Finsrud's device? There was no winding down there.

Hi Omnibus

Totaly agree if the Video is shot correctly then we can get alot of information out of it.
But I know if I ever got a self runner or any of the replications I attempt self run. I will use everything at my disposal to get the measurements out there.

I actually think Mylo has been fantastic and has posted more information than we usually get.

Also I feel this is a huge learning curve for him.

As pointed out he has missed out one simple thing with all the videos and that is doing a distant shot as he moves the Stator/Armature in and the initial startup.

Cheers

Sean.

[CLaNZeR]

It could be a double row bearing
e.g.
http://www.supbearing.com/double_row_angular_contact_ball_bearings.htm
it would also explain the vertical alignment/stability if only one bearing is used.
The outer race total thickness is much wider too, as opposed to single row similar bearings.

Hey Mike, good to see you mate

Agree it would help to stabalise it, but also add friction.

Some people will say that the friction could be helping with the effect as it is holding the Rotor back from getting carried away.
My answer to that is that the Air Gap between the Stator/Armature magnet could be reduced with less friction and then maybe allow the Stator/Armature magnet to last longer.

All guess work till we replicate I suppose, but as usual good fun

Cheers

Sean.

[lostcauses10x]

http://www.youtube.com/watch?v=Q7GrHCqobYk
Interesting results on this testing.