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Forum > General stuff

Picking things back up

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webby2:
I have 2 builds that I am working with right now, I have the mini-build and I have my "other build".

The other build is kind of modular, that is I have made it so that I can take it apart and re-assemble it in a few different configurations which is nice in that it only takes me a few minutes to take it apart and put it back together again.  I had to make a compromise with this build, not wanting to spend the money for some parts to do it better until I could see if it would be worth the expense.  I have been playing with it while waiting for parts to show up for the mini-build and it has been interesting and it appears like I can use it to end up with a flywheel mass on an arm being accelerated without a net influence to the arm,, but due to the compromise I made I can not say for sure but what I see is enough to warrant spending the money,, more wait time for those parts to show up.

The mini-build is getting close, I have this pesky gear to get printed and then I move on with the other parts.  I am not building this one with all of the controls in place, that is above my pay grade, but I am going to try and just balance forces the best I can.  It will work in a sort of DC offset AC pattern kind of way with a small hint of my simple mechanical rectifier at work.  My first test-bed for this one showed a lot of promise but the compromise I made for that one precludes it from showing anything absolute except that the forces are in the general place and direction I thought they would be,, just not able to rule out any other forces that I have not thought of or seen.

webby2:
Interesting but most likely not useful,,

My other build is very modular, meaning that I can easily take it apart and then re-assemble with the parts in a different configuration so that I can change the path all the forces take to get to the same end point.

I have it together in one orientation and did not have any external mechanical connections made and was checking on the internal added force stuff,, well I fired up the internal added force and the system started to do its thing and then I noticed that being free to spin about its axle the whole system started to rotate and the mass of the system was also rotating and it was rotating in the direction of rotation of the whole system.  The rotation of the whole system seems to settled down at the same rate of the internal rotation.

I reversed the polarity of the internal source and the rotation also reversed.  It takes a little bit of time for the whole thing to stabilize but once it gets itself organized it settles down quickly to the stable RPM.

I think it is interesting reaction.

webby2:
my modular build is not as modular as I would like,, normal stuff there,, but while I was working out some other parts I would like I think I ran across an interesting situation.

I think I have a twofer,, for those that do not understand that word it is short for " two for one".

It is elctro-mechanical in design and I made a few parts to put a quick test-bed together to see if what I thought could be there is there, in some form or another.  That crude play time seemed to support what I think I can do so I am now making and designing some parts to do a comparison test since the electrical stuff I am using is not very efficient I can only compare these significantly less than 50% efficient devices input costs against the same load without my system and going through my system.

I am doomed to fail of-course,, but it is fun and exciting anyway.

webby2:
I am using motors like these, as an fyi,,

https://www.amazon.com/Cylewet-Motor-Shaft-Arduino-CYT1037/dp/B01N9MS3UZ

They suck as far as efficiency goes :)  They do work great for building motorized toys,, a few cars and tanks and well I had them lying around so I used them.

webby2:
While I am contemplating the next step and changes to twofer I am working on 2 other test-beds that I am using to try and look closer at some of the relationships I am using in twofer.

I am planning on changing the drive system for twofer, I am going to move it external of the system to make it easier.
I also need to balance the system, this seems to have a very large impact on the draw of the input motor.

I am NOT planning on actually pulling twofer completely apart, but instead will try and use add-on parts only,, keeping the first test-bed intact could be a good thing.

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