PSN-L Email List Message
Subject: Re: TELEDYNE GEOTECH HELICORDER'S RV-301B
From: FRANK COOPER fxc@...........
Date: Fri, 11 Nov 2005 19:15:36 -0800 (PST)
I would like one if there is one left.
--- "JAMES C. ALLEN" wrote:
> I just bid on and won three Teledyne Geotech
> Helicorder's model RV-301B, for
> which I am going to keep one and am willing to give
> the other two away.
> These units will require repair. However, if you
> want one go to the EBay
> listing for item # 6223171283 which closed yesterday
> select either one or
> both of the two on the right side of your screen and
> let me know. I will
> inform the company to release it (them) to you. You
> just have to pay
> shipping which will run (in the USA) about $35.00
> per unit.
> James Allen
> ----- Original Message -----
> From: "Wayne"
> Sent: Monday, November 07, 2005 8:57 AM
> Subject: Re: low friction hinge discusson
> > Subject: Re: low friction hinge discusson
> >> Oh yes, one other point (pun intended) about
> points on surfaces, it would
> >> seem to me that mixing material is a good idea.
> I belive I've heard that
> >> generally sliding surface bearings are better if
> the materials are
> >> different.
> > Regarding this, I had heard that in addition to
> choosing materials with
> > low sliding friction, a second bearing material
> was often used for ease of
> > subsequent maintenance. That is, if the same
> bearing material were used
> > for both surfaces, both bearing parts would wear
> away at pretty much the
> > same rate. With differing materials having
> different wear rates, only one
> > half of of the bearing would need to be replaced.
> This could be useful in
> > those circumstances where "half" of the bearing is
> more readily accesible,
> > but the other "half" is not. Don't know if this
> wear/replacement business
> > has any bearing (pun intended) on seismo hinges,
> > 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.
> Public Seismic Network Mailing List (PSN-L)
> To leave this list email
> PSN-L-REQUEST@.............. with
> the body of the message (first line only):
> See http://www.seismicnet.com/maillist.html for more
Public Seismic Network Mailing List (PSN-L)
[ Top ]
[ Back ]
[ Home Page ]