Here are some clues. An electro magnet in the base is energised to REPELL the magnet on the bottom of the long arm, fed from a power transistor switched by a reed switch closed by another magnet set into the long arm as it passes.
Good luck if you are having a go, and be patient, you WILL work it out given enough time and patience.
come on man give us some more hints. You mentioned that you used transistors and coils. for what purpose did you use em. Did you made and electromagnet with that or something else. I would really love to build and see if i am able to make it work.
It is all about getting the balance right, you have to add weight to the top end until it is only slightly lighter than the bottom, that way it will swing much slower. Good luck!
You are correct about the magnets, repelling to give the small arm a kick as it passes, as for the weighting, many evenings of head scratching and tweaking till I got it working well.
is the thing in the middle, magnets? I guess it is a good idea doing it this way with the magnet and gravity to make it move forever. I was thinking the same way, but how did you know how much weights you should add? It seems it would take a very long time to tweek every little thing.
@thegreatbunsofstone Yes, no such thing as perpetual motion where I come from!
Jeeper585858 2 months ago
Just one question, is this one battery powered as well?
thegreatbunsofstone 2 months ago
Here are some clues. An electro magnet in the base is energised to REPELL the magnet on the bottom of the long arm, fed from a power transistor switched by a reed switch closed by another magnet set into the long arm as it passes.
Good luck if you are having a go, and be patient, you WILL work it out given enough time and patience.
Jeeper585858 3 months ago
come on man give us some more hints. You mentioned that you used transistors and coils. for what purpose did you use em. Did you made and electromagnet with that or something else. I would really love to build and see if i am able to make it work.
Anyways a job well done building it.
waqaranjum452 3 months ago
Can you make a video on how you made it. that would be Great
bennie18181 4 months ago
@bennie18181
Don't take this the wrong way, a video WOULD be Great wouldn't it, but I'm afraid you will have to guess how it's done, like I did :-)
Jeeper585858 4 months ago
Very nice.
TheWindGinProject 5 months ago
It is all about getting the balance right, you have to add weight to the top end until it is only slightly lighter than the bottom, that way it will swing much slower. Good luck!
Jeeper585858 7 months ago
im working on my own but mine spings sooo fast! plz help!
xXShadowRejectsXx 7 months ago
You are correct about the magnets, repelling to give the small arm a kick as it passes, as for the weighting, many evenings of head scratching and tweaking till I got it working well.
Jeeper585858 8 months ago
is the thing in the middle, magnets? I guess it is a good idea doing it this way with the magnet and gravity to make it move forever. I was thinking the same way, but how did you know how much weights you should add? It seems it would take a very long time to tweek every little thing.
y0l3itches 8 months ago
Wow this is really great, how did you do the joints?
pushan08 8 months ago
@pushan08 They pivot on ball bearing races from old printers, on 3mm shafts, so virtually friction free.
Jeeper585858 8 months ago