Working Magnetic Motor on you tube??

[Craigy]

a 8 mm sheet , 500 x 1000 is 30 euros here..

[vipond50]

----- Original Message -----
From: Sterling D. Allan
To: Overconfident
Sent: Friday, January 11, 2008 8:58 AM
Subject: Re: I didn't ignore you

....
After this initial open sourcing phase of showing people exactly how to build one of these things, I would encourage those who are able to work on improvements which they can then patent and take to market.  Doug will likely be one who will do that.  I anticipate that Doug will also help us in the initial phase of characterizing what is going on: testing such things as magnet size, distance, position, etc.
...
> Sterling

Hi sterlinga,

Just curious, shouldn't this whole thing be open sourced and fully transparent all the way? None of the replications would be taking place if OC and Al were to keep their ideas and prototypes to themselves.
OC and AL led the way with fairly good transparency and open source spirit.

What would be the scope of patenting any further developments/improvements?

Thanks

ps: maybe a thread is needed to discuss opensourse vs patent? so not to take this too much of topic.

Shit  (sorry) There's always some SOB that has to capitalizes on some one else's work. If this device  obtains multiple reps then lookout the poo is going to hit the fan.
I thought it was open source 

B.

[MeggerMan]

Hi Sean,
There is a place not far from me in Cannock where I can get sheets of plastics material over the counter, so saving on postage:
http://www.holbourne.co.uk/
They have a minimum order of 20GBP which is not a problem.
The website looks posh but when you get there, like most places its just a big tin warehouse with shelves full of sheets of materials.
They have a couple of big table saws to chop the stuff up with.

I will find out next week what price they can do HDPE for because I think its the postage that will spoil the good price.
Certainly directplasticonline looks to be cheaper than Holborne.
http://www.directplasticsonline.co.uk
[edit] Just checked the directplasticsonline website and the postage is only 5.95GBP for orders under 45GBP and free if its over so that will be hard to beat! [end of edit]

I don't know if you want to go halfs on some different materials?

Also I have some white chopping boards I bought from Tesco quite a while ago that could be used for the rotor. Not sure what material, but it has a very waxy feel to it when you drill into it.
The other materials I have are 10mm A4 sheet of natural nylon, 10mm A4 of ebonite (really expensive) its a sorted of baked hard rubber.
Ebonite stinks when you cut it and is used to make freshwater fishing reels and musical instrument mouth pieces as I remember.

Regards
Rob

[CLaNZeR]

I don't know if you want to go halfs on some different materials?

Hi Rob

Thanks for the kind offer, but I have already ordered a sheet of the HDPE as only ?22.00 for a 500*500 sheet and I will probably use it again for other projects.
I have a lot of left over different size polycarbonate and Plexiglass from the various projects over time that I have played with, not to mention magnets and bearings LOL.
I would hate too add it all up, I would probably have a heart attack at the money wasted chasing this FE stuff.

Cheers

Sean.

[mikestocks2006]

Hi Sean,

I was just gonna tell you about using HDPE to be close to the original. Mine is HDPE, as Jason has it as well in his drawings. However, now that you have it why don't you try it with the plexiglass as well.

Will be trying it with exisiting Rotors and will cut a new HDPE, to try as well.

At first like many others I was hoping the weird effect that AL is seeing came from just the magnets interaction, but now it is surfacing of Static or something that is part of the effect and hence the materials become more important.
Hope we dun't have to make weird Tin Foil hats and where Reef Sandles as well hehe 

Hi CLaNZeR, other replicators:
May I suggest to anneal HDPE prior final machining to relieve any bulk manufacturing induced residual stresses, (surface cooling gradients, non uniform crystallizations etc) by getting it up to 85-90 deg C for about 30 min to 1 hour (immerse in water etc) and slow cool.

For UHMW it takes somewhat higher temperatures over 100 deg C to 150 C and again slow cooling etc.

This should enable to achieve better dimensional stability and accuracy, especially if any temperature cycling tests are be performed in the future.

I hope this helps
Thanks