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Author Topic: Ermola Andrei  (Read 25968 times)

rstergar

  • Newbie
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  • Posts: 43
Re: Ermola Andrei
« Reply #15 on: April 16, 2018, 05:50:04 PM »
Still no progress on replicating ermola gear...

Now I simplified this gear if someone can help me?

Need mechanism which will push blue gear from green circle only on outer half where orange dot is...

Watch simulation when I add spring you can see it is possible... but when it get on inner side of the blue gear I get reverse rotation...

https://youtu.be/NHcStpmHRVI

If someone have idea how to do it please share it... I believe we can do it together ;)

Thank you
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Low-Q

  • Hero Member
  • *****
  • Posts: 2847
Re: Ermola Andrei
« Reply #16 on: April 16, 2018, 06:23:57 PM »
Quote from: rstergar on April 16, 2018, 05:50:04 PM
Still no progress on replicating ermola gear...

Now I simplified this gear if someone can help me?

Need mechanism which will push blue gear from green circle only on outer half where orange dot is...

Watch simulation when I add spring you can see it is possible... but when it get on inner side of the blue gear I get reverse rotation...

https://youtu.be/NHcStpmHRVI

If someone have idea how to do it please share it... I believe we can do it together ;)

Thank you
One question: Will a spring add energy into the system? You stretch it, release it. No magic happens.


Vidar
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rstergar

  • Newbie
  • *
  • Posts: 43
Re: Ermola Andrei
« Reply #17 on: April 11, 2019, 10:07:09 PM »
After some time I get new idea about this motor...

https://youtu.be/0NGstpB5NzI

In practice, the yellow circle should be pushed to try rotate it which will then rotate silver gear and silver gear will push red gear to rotate around own axis and red gear will push on fixed green gear and then blue circle will rotate around own axis because red gear is attached to blue circle with bearings... my theory :) what do you think?
because silver and fixed green gear have the same number of teeths the yellow circle doesnt rotate...

i will try to build this model and test it...

you can try algodoo file to simulate it

thank you
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rstergar

  • Newbie
  • *
  • Posts: 43
Re: Ermola Andrei
« Reply #18 on: September 11, 2021, 05:10:34 PM »
Finally some good news  ;D

https://www.youtube.com/watch?v=GJBW_gebmms

Thank you Andrey  ;)
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