Subject:
|
Re: Magnetic field activated switch
|
Newsgroups:
|
lugnet.trains
|
Date:
|
Sun, 1 Apr 2001 19:03:46 GMT
|
Viewed:
|
496 times
|
| |
|
|
In lugnet.trains, Manfred Moolhuysen writes:
> In lugnet.trains, Sam Hastings writes:
> > I want to make a magnetic field activated switch for my level crossing, that
> > will activate when some sort of rolling stock comes [snip]
>
> Is it possible that the magnetic field generated from flux in the track
> current caused by the running train might trigger some false detections ?
Exactly what part of a _plastic_ train are we hoping to detect here anyway?
Are these things sensitive enough to detect the wheels and sparse metallic
components of a train motor, encased in ABS, as it goes past?
Jason J Railton
|
|
Message has 1 Reply:
 | | Re: Magnetic field activated switch
|
| Jason J. Railton wrote in message ... (...) How about the magnetic coupler on the front of the loco and between the wagons. I have found that the coupler going past has enough strength to attract a magnet under the track. Allan J Smith (24 years ago, 1-Apr-01, to lugnet.trains)
|
Message is in Reply To:
| | Re: Magnetic field activated switch
|
| (...) Is it possible that the magnetic field generated from flux in the track current caused by the running train might trigger some false detections ? In lugnet.trains, Jason J. Railton writes: (...) I've been thinking of making a pneumatic weight (...) (24 years ago, 31-Mar-01, to lugnet.trains)
|
7 Messages in This Thread:
  
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
