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Konvas 17EP-16 APK motor runs fine, but stutters while stopping

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I recently tested a Konvas crystal motor I acquired with a 1M. I do not have a connector for it, so I ran it off a 12V 4.5A power supply, using two pins in the connector. It runs well, and measured with a tachometer does not drift.

However, when the motor is stopped, it stutters. It stops, restarts, stops, and starts again - about 2 to 4 times. Rarely, if I release the button softly, it might stop at once.

What can be causing this? Does it need more max current capacity that requires a battery?

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Sounds like a parking issue, not battery related. I’m not sure how a Konvas parks, but if it uses a motor encoder, I’d start there.

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Posted (edited)

It seems like in Olex’s videos, the motor also has the same stutter while stopping. It may just be normal behavior for these old Soviet motors?


Edited by Geffen Avraham
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