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  1. robopm

    Moving to Canada as Electrical Engineer - Entry Level

    If choosing universities for a masters, I wouldn't look to UBC unless you have some savings. It's rather expensive, and in my experience, most employers don't care which university you went to for your masters, so long as it was at a Canadian university, or is well known. I'm just finishing at...
  2. robopm

    Electromagnet sliding

    That's good to hear atleast. I know that a bigger/more powerful magnet will aid, as will reducing gap. Unfortunately sizing constraints and tolerances mean that there must be some amount of air gap. That said, one idea I have had is to have rollers beneath the magnet to contact and conduct. Has...
  3. robopm

    Electromagnet sliding

    We'll have a number of steel walls, but they will mostly be plain carbon steel, and about a quarter inch to a half thick. Also, we are using two electromagnets placed side by side (SN-NS configuration). The buggy has some magnetic wheels, but they are not particularly strong, and too strong...
  4. robopm

    Electromagnet sliding

    I should perhaps clarify, many of the walls which this buggy will be climbing will leave the buggy hanging inverted. The purpose of the magnet is to connect the buggy to the wall, but it is the buggy's wheels which will create friction and motion. The magnet is there only to counteract gravity...
  5. robopm

    Electromagnet sliding

    I have tested the air gap using cardboard already, which is how I know approximately the force I have to deal with now. IRstuff, do you have any suggestions for how to reduce friction between the magnet and the steel wall? If i can make that negligible, I would be able to achieve a near 0 gap.
  6. robopm

    Electromagnet sliding

    The electromagnet is off the shelf. It's a magnetechcorp PL-104013-24, rated for 200lbs, with a simple plain carbon steel shoe on it. The magnet will be positioned on a wall, however the wall's angle will depend on the specific job, as this is intended to be an all purpose piece. The buggy...
  7. robopm

    Electromagnet sliding

    Hi all, I'm trying to make a buggy that adheres to a steel wall using an electromagnet. The problem is that the buggy needs to move along some tracks. With an air gap, we're not getting enough force, and without one, the friction is too much and the buggy can't move. Anyone know a way to get...

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