Permanent Magnet Brushed Electric Motors. Some features explained in detail.
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- Chum444Silver
Permanent Magnet Brushed Electric Motors. Some features explained in detail.
... in addition to the previous message which is much more interesting than this one, I would add another small detail:
MECHANICAL REDUCERS, GEARBOX (TOOTHED GEARBOX)
A gear reducer of this type, increases the torque.
In short, a motor without a gear reducer may not be able to lift a certain weight. The same motor powered at the same voltage could be able to lift that weight if equipped with a mechanical gear reducer.
Some time ago someone did not seem very convinced of this but I think it is exactly like that.
MECHANICAL REDUCERS, GEARBOX (TOOTHED GEARBOX)
A gear reducer of this type, increases the torque.
In short, a motor without a gear reducer may not be able to lift a certain weight. The same motor powered at the same voltage could be able to lift that weight if equipped with a mechanical gear reducer.
Some time ago someone did not seem very convinced of this but I think it is exactly like that.
Permanent Magnet Brushed Electric Motors. Some features explained in detail.
Good morning everyone,
I attach a very interesting video.
It confirms but, above all, makes clear the point (2a) "Number of turns", of the article called: "Permanent magnet brushed electric motors. Main features. Basic elements of distinction..." (see the link at the end of the text).
""""""""""""""""""All other things being equal, the number of turns (in the MabuchiMotors document it is indicated as “Number of turns of armature winding per slot”) affects both the torque (because more turns means more conductors generating magnetic force) and the maximum speed (which tends to decrease as the number of turns increases, because the resistance and inductance of the winding increase).""""""""""""""""""""""""""""""""""""""""
Let's remember (it's better not to take anything for granted) that, by Ohm's second law, a longer and thinner wire offers greater electrical resistance than a shorter and thicker wire.
I hope it will be of interest both to enthusiasts of electric motors and electronics and to all modellers.
https://model-boats.com/wiki/147457
I attach a very interesting video.
It confirms but, above all, makes clear the point (2a) "Number of turns", of the article called: "Permanent magnet brushed electric motors. Main features. Basic elements of distinction..." (see the link at the end of the text).
""""""""""""""""""All other things being equal, the number of turns (in the MabuchiMotors document it is indicated as “Number of turns of armature winding per slot”) affects both the torque (because more turns means more conductors generating magnetic force) and the maximum speed (which tends to decrease as the number of turns increases, because the resistance and inductance of the winding increase).""""""""""""""""""""""""""""""""""""""""
Let's remember (it's better not to take anything for granted) that, by Ohm's second law, a longer and thinner wire offers greater electrical resistance than a shorter and thicker wire.
I hope it will be of interest both to enthusiasts of electric motors and electronics and to all modellers.
https://model-boats.com/wiki/147457
Permanent Magnet Brushed Electric Motors. Some features explained in detail.
Permanent Magnet Brushed Electric Motors.
Some features explained in detail.
This topic is a sort of spin-off of the Jumpugly topic entitled: "American Scout C-2 Freighter" that I invite everyone to see in the forum section because it is very beautiful and interesting.
The idea is to resume and expand (for those who want) the discussion on permanent magnet brushed motors without clogging up the original Jumpugly topic.
I thank again Toradog, Chum444, Roycv, CommodoreH and Jumpugly for their comments.
I repeat here what has already been written:
""""""""""""""""""""""""Hi Jumpugly, I finally finished what I promised in my message number 68 of this topic. Sorry for the delay.
The manufacturers' instructions are very useful but you have to know how to interpret them. I hope to do you a favor by inserting some indications.
If errors are reported to me (including translation errors), after a careful examination, I will be able to re-edit the message with the appropriate corrections.
In this way, a small guide could be useful to everyone even after some time. In fact, I have noticed that many interesting and informative discussions have been lost in the forum or in build blogs where it is very difficult to search for old topics.
I'll give you an example:
Some time ago Roy attached a very useful link (in message no. 45 of this topic) in which the manufacturer "MabuchiMotors" inserted a lot of detailed and well-explained information on electric motors.
The problem is that if I wanted to look for it in a few weeks, months or years it will be increasingly difficult. In fact, if I wanted to look for it, I would certainly remember that it concerns electric motors. However, by entering the word “motor” (or similar) in the search field I would not find it at all (because the search is only related to the title of the topics and not to the internal contents); certainly after some time I would not remember that this important message is in the topic entitled “American Scout C-2 Freighter”.
Therefore the message will fall into oblivion.
For this reason I wrote everything on the page “How to articles” with a specific title that facilitates the text search: “Permanent magnet brushed electric motors. Main features. Basic elements of distinction. How to evalu...” """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
In the sixth revision of the text I added the Roycv method to check some parameters (such as voltage and current) of a motor whose data are unknown. It is all reported in full (copy/paste) in paragraph 5a).
Here is the link:
Do not be afraid of the length of the text because in reality it is written to be understandable by anyone (especially if you help yourself with images and animations).
The second link is the one roycv posted in the Jumpugly topic.
https://model-boats.com/wiki/147457
https://www.mabuchi-motor.com/product/knowledge/classification/designations.html
Some features explained in detail.
This topic is a sort of spin-off of the Jumpugly topic entitled: "American Scout C-2 Freighter" that I invite everyone to see in the forum section because it is very beautiful and interesting.
The idea is to resume and expand (for those who want) the discussion on permanent magnet brushed motors without clogging up the original Jumpugly topic.
I thank again Toradog, Chum444, Roycv, CommodoreH and Jumpugly for their comments.
I repeat here what has already been written:
""""""""""""""""""""""""Hi Jumpugly, I finally finished what I promised in my message number 68 of this topic. Sorry for the delay.
The manufacturers' instructions are very useful but you have to know how to interpret them. I hope to do you a favor by inserting some indications.
If errors are reported to me (including translation errors), after a careful examination, I will be able to re-edit the message with the appropriate corrections.
In this way, a small guide could be useful to everyone even after some time. In fact, I have noticed that many interesting and informative discussions have been lost in the forum or in build blogs where it is very difficult to search for old topics.
I'll give you an example:
Some time ago Roy attached a very useful link (in message no. 45 of this topic) in which the manufacturer "MabuchiMotors" inserted a lot of detailed and well-explained information on electric motors.
The problem is that if I wanted to look for it in a few weeks, months or years it will be increasingly difficult. In fact, if I wanted to look for it, I would certainly remember that it concerns electric motors. However, by entering the word “motor” (or similar) in the search field I would not find it at all (because the search is only related to the title of the topics and not to the internal contents); certainly after some time I would not remember that this important message is in the topic entitled “American Scout C-2 Freighter”.
Therefore the message will fall into oblivion.
For this reason I wrote everything on the page “How to articles” with a specific title that facilitates the text search: “Permanent magnet brushed electric motors. Main features. Basic elements of distinction. How to evalu...” """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
In the sixth revision of the text I added the Roycv method to check some parameters (such as voltage and current) of a motor whose data are unknown. It is all reported in full (copy/paste) in paragraph 5a).
Here is the link:
Do not be afraid of the length of the text because in reality it is written to be understandable by anyone (especially if you help yourself with images and animations).
The second link is the one roycv posted in the Jumpugly topic.
https://model-boats.com/wiki/147457
https://www.mabuchi-motor.com/product/knowledge/classification/designations.html
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