http://www.powerstream.com/Wire_Size.htm

http://en.wikipedia.org/wiki/American_wire_gauge

These site may help also.

Regards,
Jerry


----- Original Message ----- 
From: Geoff 
To: psn-l@.............. 
Sent: Thursday, November 01, 2007 6:33 PM
Subject: Re: Mass deflection weight test


CRC handbook from the library or possibly arrl.

----- Original Message ----- 
From: "John Lahr" 
To: 
Sent: Thursday, November 01, 2007 12:49 PM
Subject: Re: Mass deflection weight test


> That's a good idea.  Is there a good wire table on line that can be used?
> 
> John
> 
> At 12:03 PM 11/1/2007, you wrote:
>>In a message dated 01/11/2007, johnjan@........ writes:
>>There are two issues involved.  One is the absolute deflection due to
>>adding a weight and the other is the electronic response, once some
>>motion sensor has been applied.
>>
>>Hi John,
>>
>>     I find it easier to cut a measured length of Copper wire and 
>> bend it so that it gives a three point contact - a small U loop and 
>> a larger U loop at right angles to it. You can look up the weight 
>> either in wire tables or by the diameter for that gauge and the 
>> density of Copper.
>>
>>     Regards,
>>
>>     Chris
> 
> 
> __________________________________________________________
> 
> Public Seismic Network Mailing List (PSN-L)
> 
> To leave this list email PSN-L-REQUEST@.............. with 
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.
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__________________________________________________________

Public Seismic Network Mailing List (PSN-L)








http://www.powerstream.=
com/Wire_Size.htm
 
http://en.wikip=
edia.org/wiki/American_wire_gauge
 
These site may help also.
 
Regards,
Jerry
 
 
----- Original Message -----=20
From: Geoff 
To: psn-l@.............. 
Sent: Thursday, November 01, 2007 6:33 PM
Subject: Re: Mass deflection weight test

CRC handbook from the library or possibly =
arrl.

-----=20
Original Message ----- 
From: "John Lahr" <johnjan@........>
To: <psn-l@..............>
Sent=
:=20
Thursday, November 01, 2007 12:49 PM
Subject: Re: Mass deflection =
weight=20
test


> That's a good idea.  Is there a good wire =
table on=20
line that can be used?
> 
> John
> 
> At 12:03 =
PM=20
11/1/2007, you wrote:
>>In a message dated 01/11/2007, johnjan@........ =
writes:
>>There are=20
two issues involved.  One is the absolute deflection due=20
to
>>adding a weight and the other is the electronic response, =
once=20
some
>>motion sensor has been =
applied.
>>
>>Hi=20
John,
>>
>>     I find it easier =
to cut a=20
measured length of Copper wire and 
>> bend it so that it gives =
a three=20
point contact - a small U loop and 
>> a larger U loop at right =
angles=20
to it. You can look up the weight 
>> either in wire tables or =
by the=20
diameter for that gauge and the 
>> density of=20
Copper.
>>
>>    =20
Regards,
>>
>>     Chris
> =

>=20

> =
__________________________________________________________
>=20

> Public Seismic Network Mailing List (PSN-L)
> 
> To =
leave=20
this list email PSN-L-REQUEST@...............
 with=20

> the body of the message (first line only): unsubscribe
> =
See http://www.seismicnet.co=
m/maillist.html=20
for more=20
information.
>
_________________________________________________=
_________

Public=20
Seismic Network Mailing List (PSN-L)

To leave this list email PSN-L-REQUEST@...............
 with=20

the body of the message (first line only): unsubscribe
See http://www.seismicnet.co=
m/maillist.html=20
for more information.