Randall,   Please,Where are the pictures posted?  Thanks,=20
Ted
  ----- Original Message -----=20
  From: meredith lamb=20
  To: psn-l@.................
  Sent: Friday, November 09, 2007 4:00 PM
  Subject: Re: the design isn't fatally flawed


  Hi Randall,

  Yes...I admitted earlier in a email that it could work...I was wrong.  =
Good deal on
  getting a model working!  It will be interesting to keep informed of =
this one.

  Meredith Lamb


  On Nov 9, 2007 3:51 PM, Randall Peters  wrote:

    Meredith,
      I'm sorry to disagree with your claim that the idea I posted is =
fatally flawed..
    I just assembled a prototype that does work.  Pictures have been =
posted on the same site previously referenced..=20
    The 'edge' is not the hard tungsten carbide that Charles =
recommended; I used an ordinary razor blade.
    The Q is not great, but you can see there are steel shavings still =
on the magnets.  Also the lever arm needs to be=20
    longer than what I've used (part extending down from the magnets) to =
get a longer period with a bigger mass.  At present, trying to lengthen =
substantially beyond  about 1/2 s pulls the blade off the magnets.
      The reason the mass doesn't 'go down' to a non-operational state =
as you expected is because of the magnets' force on the blade; i.e., it =
is not resting at the center of the magnets.
     Randall










Randall,   Please,Where are =
the pictures=20
posted?  Thanks, 
Ted

  
----- Original Message ----- 
  From:=20
  meredith lamb 
  
To: psn-l@.............. 
  
Sent: Friday, November 09, 2007 =
4:00=20
  PM
  
Subject: Re: the design isn't =
fatally=20
  flawed
  


  
Hi Randall,
  
 
  
Yes...I admitted earlier in a email that it could work...I was=20
  wrong.  Good deal on
  
getting a model working!  It will be interesting to=20
  keep informed of this one.
  
 
  
Meredith Lamb


  
On Nov 9, 2007 3:51 PM, Randall Peters <PETERS_RD@..........> =
wrote:

  
Meredith,
 =20
    I'm sorry to disagree with your claim that the idea I posted is =
fatally=20
    flawed..
I just assembled a prototype that does work. =
 Pictures have=20
    been posted on the same site previously referenced.. 
The 'edge' =
is not=20
    the hard tungsten carbide that Charles recommended; I used an =
ordinary razor=20
    blade.
The Q is not great, but you can see there are steel =
shavings still=20
    on the magnets.  Also the lever arm needs to be 
longer than =
what=20
    I've used (part extending down from the magnets) to get a longer =
period with=20
    a bigger mass.  At present, trying to lengthen substantially =
beyond=20
     about 1/2 s pulls the blade off the magnets.
  The =
reason the=20
    mass doesn't 'go down' to a non-operational state as you expected is =
because=20
    of the magnets' force on the blade; i.e., it is not resting at the =
center of=20
    the magnets.
 Randall