Hi, I need a 2 way electric motor which can wind a string which needs 40N (with a minimum reserve). Generally it is to be used to wind/unwind two cords tied to fairly heavy curtains and led to it by a couple of rotating blocks. What motor should I use? Will any of these suffice for my purposes: ...

These motors from the page you provided are too weak. I recommend this motor. One has 60 rpm, the other 120 rpm. Both will do the job, you just need to find out which speed you like better.

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Raspberry Pi: slow 2-way electric motor for winding curtains at 40 N?

Raspberry Pi: slow 2-way electric motor for winding curtains at 40 N?

Dublerq 1677 1

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#1 14317192 11 Jan 2015 10:10

Dublerq Dublerq

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Post #1
14317192 11 Jan 2015 10:10

Hi, I need a 2 way electric motor which can wind a string which needs 40N (with a minimum reserve). Generally it is to be used to wind/unwind two cords tied to fairly heavy curtains and led to it by a couple of rotating blocks. What motor should I use?

Will any of these suffice for my purposes:
http://botland.com.pl/391-silniki-dc-z-przekladnia-dagu
or should I look for something more powerful?
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#2 14318245 11 Jan 2015 14:27

Anonymous Anonymous

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Post #2
14318245 11 Jan 2015 14:27

These motors from the page you provided are too weak.

I recommend this motor.

http://www.conrad.pl/?websale8=conrad&pi=...eocl=1&rdetpl=productpage&rdebox=box1

http://www.conrad.pl/?websale8=conrad&pi=...eocl=1&rdetpl=productpage&rdebox=box1

One has 60 rpm, the other 120 rpm. Both will do the job, you just need to find out which speed you like better.
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Raspberry Pi: slow 2-way electric motor for winding curtains at 40 N?

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