Titlebook: Building a Roll-Off Roof or Dome Observatory; A Complete Guide for John Stephen Hicks Book 2016Latest edition Springer-Verlag New York 2016

炸壞

https://doi.org/10.1007/978-3-642-73341-3Before you begin construction, consult both Chaps. . and . sections on “Overall Site Requirements” and “Site Suitability”, to make sure you have selected the best site for your dome observatory. Also refer to Figs. ., ., ., and ..

Petechiae

Dorsal

Preparing the Footings and the Observatory FloorReferring to the following plans, you will notice that the thickness of the concrete slab increases under the walls around the perimeter of the observatory, and under each of the posts supporting the gantry section (Figs. 5.1 and 5.2).

自戀

Framing the Gantry SectionWhether you chose to install a full cement footing as an extension to the observatory floor, or you used sono tube piers, or a combination of the two, at this stage you will find it necessary to locate the gantry post supports precisely in their saddles.

空中

Final LuxuriesThe following photo illustrates a well-designed winch system for removal and closure of the roll-off roof, placed on the observatory floor against the north wall (Fig. 12.1).

Notorious

Commercial Models and KitsThe three main observatory designs presently in demand by amateur astronomers are: