PSN-L Email List Message
Subject: Re: "C" Spring Seismometer
From: "Ed Ianni" edwianni1@...........
Date: Fri, 10 Sep 2010 02:20:57 +0000
I built one sometime ago. As I recall the 12" hacksaw blades worked =
well. Maybe you need to adjust the stabilizing blocks or grind the teeth =
off of the blades. Ed.
From: QUENTIN WAGENFIELD=20
Sent: Friday, September 10, 2010 1:49 AM
To: psnlist@.................
Subject: "C" Spring Seismometer
I am building the "C' Spring Seismometer but my 12" hacksaw blades do =
not raise the boom, even with the magnet and damper not mounted. Are =
special blades required, and if so, where can they be bought?
=20
Quentin Wagenfield
I built one sometime ago. As I recall the 12" =
hacksaw=20
blades worked well. Maybe you need to adjust the stabilizing blocks or =
grind the=20
teeth off of the blades. Ed.
Sent: Friday, September 10, 2010 1:49 AM
Subject: "C" Spring Seismometer
I am building the "C' Spring Seismometer but my 12" =
hacksaw=20
blades do not raise the boom, even with the magnet and damper not =
mounted.=20
Are special blades required, and if so, where can they be=20
bought?
Quentin Wagenfield
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