In my opinion one should fill the pipe with concrete. This makes for a sturdier base and should alleviate any vibrations since the pipe is also isolated from the pad. Chuck Earth/Space Scientific Research Institute, Inc. ----- Original Message ----- From: "Paul Schmidtke" <PAUL.SCHMIDTKE@xxxxxxx> To: <AZ-OBSERVING@xxxxxxxxxxxxx> Sent: Friday, October 11, 2002 11:18 AM Subject: [AZ-Observing] telescope piers > Hi Everyone! > > As part an expanded astronomy lab space at the ASU West campus, we will be > installing some permanent telescope piers to use with our C-8's. I seem to > recall that this space had a discussion some time ago on the practical aspects > of building a good pier. Can anyone summarize the concensus of that exchange? > > We will have 6-inch pipe, isolated from from a concrete pad. My main concern > was whether the pipe should be left hollow, filled with concrete, etc.? > > Thanks in advance for your comments. We only get to do this once! > > -- Paul Schmidtke > ASU West > -- > See message header for info on list archives or unsubscribing, and please > send personal replies to the author, not the list. > -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.