an idea on shipping, what about a rental moving van/truck? there are some that should be large enough to handle the load. -Travis >From: "Charles R. Patton"
>Reply-To: psn-l@.............. >To: PSN-L Mailing List >Subject: Re: The KS36000 posthole seismometers >Date: Sun, 29 Apr 2001 11:33:11 -0700 >MIME-Version: 1.0 >Received: from [188.8.131.52] by hotmail.com (3.2) with ESMTP id >MHotMailBCB5ABDE008A400438D6D864E0820A820; Sun Apr 29 11:43:47 2001 >Received: from mail2.pe.net (unverified [184.108.40.206]) by >sys5.webtronics.com (Rockliffe SMTPRA 4.5.4) with ESMTP id > for ; Sun, 29 Apr >2001 11:34:06 -0700 >Received: from ieee.org (IP-87-175.tem.pe.net [220.127.116.11])by >mail2.pe.net (8.11.3/8.11.3) with ESMTP id f3TIW8Y16750for > ; Sun, 29 Apr 2001 11:32:08 -0700 (PDT) >From larry_cochrane@.............. Sun Apr 29 11:44:39 2001 >Message-ID: <3AEC5E67.8BB94661@........> >X-Mailer: Mozilla 4.7 [en] (WinNT; U) >X-Accept-Language: en,pdf >Sender: psn-l-request@.............. > >Several points: > >1)Storage: If someone will drive them to Chino, CA, I have space in my >plane hangar that we could store and disassemble -- no cost and no hurry >to tear the units apart. The down side is the driving/truck trip. I >don't have a truck, only a small trailer towable with my car >occasionally. 40 units x 150# is 6000#. The trailer is rated for a >1000# -- just a bit of overload! I'm not conversant with truck ratings, >but probably the do-it-yourself truck rentals are in the ton to ton and >half range. That is still shy of the requirement. It would take a >tractor/trailer type to haul that 3 ton load and then you'd be back in >the crating and shipping business. Such trucks require a different >drivers license and are probably out of our league. Any truckers on >this list that could tailgate the load? > >2) A thought just occurred to me for packing for trucking if you have >enclosed sides. Put down a layer of seismo units, take cans of spray >foam (as used for house insulation and such) spray between the units and >the sides. That would lock them in and prevent shifting. Add layers >and continue in a similar manner. > >2) Re: testing for noisy units. I doubt this is possible. If the noise >is due to thermal fluctuations of the gas, we would not be able to get a >stable enough physical (read that as a no vibration) mounting in a >storage unit to get to that noise floor level. I think one just has to >take their chances in this area. My guess is that the seismo units >proper were evacuated and always under vacuum, then the containment >vessel holding the three seismo units was back filled under pressure >with helium for uniform temperature control, corrosion control and to >try and keep moisture from infiltrating. > >Charles R. Patton >__________________________________________________________ > >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. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>