MTB Switchmotor

Re: MTB Switchmotor

Postby krokodil » Sun Sep 21, 2014 2:12 am

CN-TT wrote:
krokodil wrote:...The internal motor is running always in the same direction...

That is really cool, but how do you know?

Bjoern


I have got the circuit diagram. :-) , and I know that this drive principle was published first time about 40 years ago - also in Czech Republic, ( I build based on this design many motorized switches in late 80-ies!). I am wondering why nobody else spent any attention to this simple and well working design.
Here is my design from 1988. :-)

image.jpg
Switchmotor1

Or
image.jpg
Switchmotor2
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Re: MTB Switchmotor

Postby CN-TT » Sun Sep 21, 2014 11:07 am

krokodil wrote: I build based on this design many motorized switches in late 80-ies!).


That is some serious 80s model railroad engineering! :thumbup: :thumbup: :thumbup: Love it!

At this point, I can't see any disadvantages of the MTB motor. Only two question marks: 1. durability and 2. price
A durability test would be easy. Let the motor run for 24 hours this equals 86400 movements or even more. Enough for me!!!

Bjoern
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Re: MTB Switchmotor

Postby krokodil » Sun Sep 21, 2014 11:42 am

I am waiting also for such information ( mainly the price is critical).
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Re: MTB Switchmotor

Postby MacG » Sun Sep 21, 2014 4:03 pm

With the right travel distance it is a good alternative for our exhibition layout. We have some trouble with the copy of the Hoffmann-switch motor. At the video it is the one in grey color. We use it in combination with a H0fine turnout drive with a 90° rotation mechanism for switch stands.
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Re: MTB Switchmotor

Postby krokodil » Sun Sep 21, 2014 4:22 pm

MacG wrote:With the right travel distance it is a good alternative for our exhibition layout. We have some trouble with the copy of the Hoffmann-switch motor. At the video it is the one in grey color. We use it in combination with a H0fine turnout drive with a 90° rotation mechanism for switch stands.



The grey switch motor is from Conrad ( it is extremely simplified against the original Hoffmann motor). The internal gear is very coarse, the reduction ratio is very small ( around 1:3) this is the problem of this kind of switch motor.
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Re: MTB Switchmotor

Postby MacG » Sun Sep 21, 2014 4:34 pm

I have no problems with the Conrad switch motor. It works very well at my father's layout. We have the problem because of the different travel distances between Conrad and H0fine. And of course, you can set the Conrad only two times. It is a cheap one.
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Re: MTB Switchmotor

Postby krokodil » Sun Sep 21, 2014 5:13 pm

My son has a few Conrad motors (about 15) one of them is somehow not working always perfect. It has a tendency not to reverse from one position ( this is a dissadvantage of the motors with reversing movement. It is enough a very little irregularity in the gears and the motor will stop always on the same position).
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Re: MTB Switchmotor

Postby CN-TT » Sun Sep 21, 2014 6:59 pm

krokodil wrote: It has a tendency not to reverse from one position ( this is a dissadvantage of the motors with reversing movement. It is enough a very little irregularity in the gears and the motor will stop always on the same position).


This is exactly what I experienced!
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Re: MTB Switchmotor

Postby rdikken » Fri Sep 26, 2014 12:13 pm

I discussed this switch motor with MTB, last week I visit them. MTB will not make it in large quantities. But I will get a few of these, but I do not know when.
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Re: MTB Switchmotor

Postby Arseny » Fri Sep 26, 2014 12:58 pm

I have some Tillig 86112 switchmotors. Do these MTB's ones have any advantages?
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