PSN-L Email List Message

Subject: Re: "P" ky "Slinky"
From: tchannel1@............
Date: Thu, 26 Jul 2007 17:39:37 -0600


Hi Bob,  The spring did stretch over about a month. 3/4"?  Like a music =
string.......... It may have stopped now, I can eyeball it thru the =
window, and it seem to now be stable.

  The room ranges from about 65 to 75?
A room in my finished basement, and I see no temperature effect.   I =
places a heater in the room to see if I could, but saw nothing change.=20

  I don't have a lot of weight on the spring, so I am hoping it does not =
deform. much..

Ted
  ----- Original Message -----=20
  From: Bob Hancock=20
  To: psn-l@.................
  Sent: Thursday, July 26, 2007 4:30 PM
  Subject: RE: "P" ky "Slinky"


  Ted -

  =20

  Interesting, very interesting - from a non-engineer, how do you plan =
to compensate for creep and eventual deformation in the metal slinky, =
and how close is your temperature control, plus or minus what number?

  =20

  Bob

  =20







Hi Bob,  The spring did stretch = over about a=20 month. 3/4"?  Like a music string.......... It may have = stopped=20 now, I can eyeball it thru the window, and it seem to now be=20 stable.
 
  The room ranges from about 65 to = 75?
A room in my finished basement, = and I see no=20 temperature effect.   I places a heater in the room to see if = I could,=20 but saw nothing change. 
 
  I don't have a lot of weight on = the spring,=20 so I am hoping it does not deform. much..
 
Ted
----- Original Message -----
From:=20 Bob=20 Hancock
To: psn-l@..............
Sent: Thursday, July 26, 2007 = 4:30=20 PM
Subject: RE: "P" ky = "Slinky"

Ted=20 =96

 

Interesting, very=20 interesting =96 from a non-engineer, how do you plan to compensate for = creep and=20 eventual deformation in the metal slinky, and how close is your = temperature=20 control, plus or minus what number?

 

Bob

 


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