Magnet strength measurements (results only)

The spinning discs that hold the magnets, and magnet issues

Magnet strength measurements (results only)

Postby windgat on Sun Feb 15, 2009 12:46 pm

This topic is for brief, summarised results of magnet strength measurement. Please see the topic "Magnet strength" for details of measuring and discussion.

Magnets: 50x25x12.5mm (2"x1"x0.5"), nickel coated, grade N35
Magnet distance apart: 23.1mm (two times +-11.5mm marine ply)
Total weight at separation: 2873g (bottom platform 63g, lower magnet 121g, added weight 2689g).

Magnet distance apart: 35mm (three times +-11.5mm marine ply)
Total weight at separation: 1236g (bottom platform 63g, lower magnet 121g, added weight 1055g).
Last edited by windgat on Sun Feb 15, 2009 1:10 pm, edited 1 time in total.
windgat
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Re: Magnet strength measurements (results only)

Postby windgat on Sun Feb 15, 2009 1:08 pm

Magnets: 50x25x12.5mm (2"x1"x0.5"), nickel coated, grade N42

Magnet distance apart: 23.1mm (two times +-11.5mm marine ply)
Total weight at separation: 3134g (bottom platform 63g, lower magnet 118g, added weight 2953g).

Magnet distance apart: 35mm (three times +-11.5mm marine ply)
Total weight at separation: 1376g (bottom platform 63g, lower magnet 118g, added weight 1195g).

Magnet distance apart: 42.1mm
Total weight at separation: 735g

Magnet distance apart: 53.5mm
Total weight at separation: 279g
windgat
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Posts: 558
Joined: Mon Apr 30, 2007 10:49 am
Location: Cape Town, South Africa


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