Hello Cap,
You write, "the wild claims you guys have made that are not in keeping =
with what others have said over the years on the PSN."  I am not aware =
of codified PSN doctrine.  Should we heretics kneel in humble submission =
and admit our sins and ask for forgiveness?  I vote for the scientific =
method.=20

And you write, "You say, My only suggestion is to try it --- you might =
like it and become "one of these people". Well, I would, Frank, if I =
thought it would work but I already have a frictionless pivot that is =
better than John Cole's and no way can I set my Lehman's period at >20 =
seconds and have it stay there. I am not convinced the ball bearings =
will do what you say they will. I am not one to buy snake oil :-)"   I =
thought your attitude died with the middle ages.  Most of us accept =
evidence over "I am convinced."

And you write, "But good as they are, they are not as good as John =
Lahr's modified Sprengnether pivot that has no friction at all and can't =
slither and is simpler and easy to make. "  I do not have any experience =
with John Lahr's modified Sprengnether pivot and therefore withhold =
judgment. I have a lot of respect for John Lahr and I think he would =
have been the first to withhold judgment about the ball bearing method =
until he had all the facts which you lack.

Regards,
Frank


  ----- Original Message -----=20
  From: CapAAVSO@..........
  To: psn-l@.................
  Sent: Friday, November 22, 2002 3:54 PM
  Subject: Re: Another horizontal boom/mast pivot to consider


  In a message dated 11/22/02 7:49:11 PM GMT Standard Time, fxc@....... =
writes:



    OK Cap as a member of the "these people" or the "they" ball bearing =
party, I'll bite,
    I'll respond even though I think your purpose is to have a little =
fun and stir the pot a bit.


  Well, yes, Frank. As a matter of fact I did mean to maybe "have some =
fun" as you say, stirring the pot a bit and hopefully get some =
discussion going concerning some the wild claims you guys have made that =
are not in keeping with what others have said over the years on the PSN. =
First of all I'm sure most will agree John Cole's ball bearings have =
less friction than a simple point-in-a-dimple pivot. But good as they =
are, they are not as good as John Lahr's modified Sprengnether pivot =
that has no friction at all and can't slither and is simpler and easy to =
make. And what does pivot friction have to do with long term stability =
anyway? Recent postings have been about the pier and the soil it's on =
and how soil moisture and temperature and nearby traffic affect =
stability of the period. Nobody even mentioned the pivots until you guys =
came along claiming to solve all these problems with ball bearings. It =
amazes me that you critize a method with which you have no experience? =
What are the mechanical principles and engineering evidence that pivot =
friction is the reason Lehmans are unstable? You say: "My only =
suggestion is to try it --- you might like it and become "one of these =
people". Well, I would, Frank, if I thought it would work but I already =
have a frictionless pivot that is better than John Cole's and no way can =
I set my Lehman's period at >20 seconds and have it stay there. I am not =
conviced the ball bearings will do what you say they will. I am not one =
to buy snake oil :-)

  Best regards,
  Cap








Hello Cap,
You write, "the wild claims you guys have made =
that are=20
not in keeping with what others have said over the years on the =
PSN."  I am=20
not aware of codified PSN doctrine.  Should we heretics =
kneel in=20
humble submission and admit our sins and ask for =
forgiveness?  I=20
vote for the scientific method. 
 
And you write, "You say, My only suggestion is =
to try it=20
--- you might like it and become "one of these people". Well, I would, =
Frank, if=20
I thought it would work but I already have a frictionless pivot that is =
better=20
than John Cole's and no way can I set my Lehman's period at >20 =
seconds and=20
have it stay there. I am not convinced the ball bearings will do what =
you say=20
they will. I am not one to buy snake oil :-)"   I thought your =

attitude died with the middle ages.  Most of us accept evidence =
over "I am=20
convinced."

And you write, =
"But good as=20
they are, they are not as good as John Lahr's modified Sprengnether =
pivot that=20
has no friction at all and can't slither and is simpler and easy to =
make.=20
"  I do not have any experience with John Lahr's modified =
Sprengnether=20
pivot and therefore withhold judgment. I have a lot of respect for =
John=20
Lahr and I think he would have been the first to withhold judgment about =
the=20
ball bearing method until he had all the facts which =
you lack.
 
Regards,
Frank



  
----- Original Message ----- 
  From:=20
  CapAAVSO@.......=20
  
  
To: psn-l@.............. 
  
Sent: Friday, November 22, 2002 =
3:54=20
  PM
  
Subject: Re: Another horizontal =
boom/mast=20
  pivot to consider
  

In a message dated 11/22/02 7:49:11 PM GMT =
Standard Time,=20
  fxc@....... writes:



  OK Cap as a member of the "these people" or the "they" =
ball=20
    bearing party, I'll bite,
I'll respond even though I think your purpose =
is to have=20
    a little fun and stir the pot a bit.

Well,=20
  yes, Frank. As a matter of fact I did mean to maybe "have some fun" as =
you=20
  say, stirring the pot a bit and hopefully get some discussion going =
concerning=20
  some the wild claims you guys have made that are not in keeping with =
what=20
  others have said over the years on the PSN. First of all I'm sure most =
will=20
  agree John Cole's ball bearings have less friction than a simple=20
  point-in-a-dimple pivot. But good as they are, they are not as good as =
John=20
  Lahr's modified Sprengnether pivot that has no friction at all and =
can't=20
  slither and is simpler and easy to make. And what does pivot friction =
have to=20
  do with long term stability anyway? Recent postings have been about =
the pier=20
  and the soil it's on and how soil moisture and temperature and nearby =
traffic=20
  affect stability of the period. Nobody even mentioned the pivots until =
you=20
  guys came along claiming to solve all these problems with ball =
bearings. It=20
  amazes me that you critize a method with which you have no experience? =
What=20
  are the mechanical principles and engineering evidence that pivot =
friction is=20
  the reason Lehmans are unstable? You say: "My only suggestion is to =
try it ---=20
  you might like it and become "one of these people". Well, I would, =
Frank, if I=20
  thought it would work but I already have a frictionless pivot that is =
better=20
  than John Cole's and no way can I set my Lehman's period at >20 =
seconds and=20
  have it stay there. I am not conviced the ball bearings will do what =
you say=20
  they will. I am not one to buy snake oil :-)

Best=20
  regards,
Cap