PSN-L Email List Message

Subject: Re: Magnetic Damping
From: Barry Lotz barry_lotz@.............
Date: Sun, 12 Nov 2006 08:56:25 -0800 (PST)


McMaster Carr    http://www.mcmaster.com/
  

ChrisAtUpw@....... wrote:
  In a message dated 2006/11/11, gpayton880@....... writes:

  Would you please identify the part number your use from the www.amazingmagnets.com website?

Correct me if I am wrong, but I believe that you are in the UK.  Cu plate or sheets "might" be a challenge finding.  Any sources for that to suggest?

Hi Jerry,

       I use the P250DH size 1" x 1/2" x 1/4" which is more than adequate with a 1 kg mass.

       What mass are you using?  

       You will find that Alnico U magnets are quite expensive as well as having a much lower field.

       Yes, I am in the UK. I have a Metals Supermarket about 5 m away!    

       www.ksmetals.com stock 1/16" Al and 1/32" Cu. Model shops carry their products. They are not cheap, but you don't need much
       Can you use your phone directory to look for non ferrous metal stockists? How about Home Depot and similar places which sell hardware / plumbing / building supplies? They stock the bright mild steel strip and zinc plated mild steel set screws.
       You do have a huge online hardware supplier, but I can't remember the name. Steve Hammond might remember? Sean Morrissey used them a lot. I think that it began with M? Sorry, but my other computer is 'down'. Check http://www.webstersonline.com/ ?

       Regards,

       Chris Chapman 
McMaster Carr    http://www.mcmaster.com/


ChrisAtUpw@....... wrote:
In a message dated 2006/11/11, gpayton880@....... writes:

Would you please identify the part number your use from the www.amazingmagnets.com website?

Correct me if I am wrong, but I believe that you are in the UK.  Cu plate or sheets "might" be a challenge finding.  Any sources for that to suggest?


Hi Jerry,

       I use the P250DH size 1" x 1/2" x 1/4" which is more than adequate with a 1 kg mass.

       What mass are you using? 

       You will find that Alnico U magnets are quite expensive as well as having a much lower field.

       Yes, I am in the UK. I have a Metals Supermarket about 5 m away!   

       www.ksmetals.com stock 1/16" Al and 1/32" Cu. Model shops carry their products. They are not cheap, but you don't need much
       Can you use your phone directory to look for non ferrous metal stockists? How about Home Depot and similar places which sell hardware / plumbing / building supplies? They stock the bright

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