<\/a>Anne closes the wrap on one telescope <\/div>
<\/div><\/div>
<\/a>
<\/a>Ed works on another <\/div>
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<\/a>
<\/a>Optics truss <\/div>
Installed on top of an unwrapped telescope<\/div><\/div><\/div>
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<\/a>Bottom section of telescope <\/div>
(Similar to the last post)<\/div><\/div>
<\/a>
<\/a>Cables and getter <\/div>
The white\/black slab is very high surface area adsorber, which we bake until just before installation<\/div><\/div>
<\/a>
<\/a>Power outage <\/div>
While the generators are reconfigured<\/div><\/div><\/div>
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<\/a>Highbay in the dark <\/div>
<\/div><\/div>
<\/a>
<\/a>SPIDER dance party <\/div>
I plug some lights into a UPS supply<\/div><\/div>
<\/a>
<\/a>Purge <\/div>
Each covered\/sealed telescope if purged with nitrogen, to keep water vapour out<\/div><\/div><\/div>
<\/a>
<\/a>The septapus <\/div>
For purging<\/div><\/div>
<\/a>
<\/a>The bottom of Theo <\/div>
Ready for telescope insertion<\/div><\/div>
<\/a>
<\/a>Telescope #1 ready to go <\/div>
<\/div><\/div><\/div>
<\/a>
<\/a>Insert insertion <\/div>
<\/div><\/div>
<\/a>
<\/a>Insert inserted <\/div>
<\/div><\/div>
<\/a>
<\/a>Meeting <\/div>
These things happen, even to good people<\/div><\/div><\/div>
<\/a>
<\/a>Sean prepares half-wave plates <\/div>
Large sheets of sapphire that we use to modulate our telescope's signal<\/div><\/div>
<\/a>
<\/a>Half-wave plate rotation mechanisms <\/div>
Stackable<\/div><\/div>
<\/a>
<\/a>Another insert <\/div>
<\/div><\/div><\/div>
<\/a>
<\/a>Jon wrestles with the failed gondola insert <\/div>
<\/div><\/div>
<\/a>
<\/a>Pull test <\/div>
Using the crane to pull the tube, weighed down by our cherry picker lift<\/div><\/div>
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<\/a>
<\/a>
<\/a>
<\/a>![\"Another](\"https:\/\/farm6.staticflickr.com\/5602\/15599040420_527d7beabd_n.jpg\")
(Backlog from 5-6 November) With the detector focal planes completed, the telescope inserts are ready to be reassembled. This happens in parallel on all six, with the lenses being reinstalled, some cables reconnected, the whole thing wrapped and sealed. The following morning, they are ready for insertion. We discovered a failure on another type of insert: an aluminum piece glued inside the gondola’s carbon fibre tubes. One was discovered partially pulled out. We pulled it the rest of the way out, and started scrambling to make a replacement. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17,8],"tags":[],"_links":{"self":[{"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/posts\/6413"}],"collection":[{"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/droppingballast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6413"}],"version-history":[{"count":2,"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/posts\/6413\/revisions"}],"predecessor-version":[{"id":6415,"href":"http:\/\/droppingballast.com\/index.php?rest_route=\/wp\/v2\/posts\/6413\/revisions\/6415"}],"wp:attachment":[{"href":"http:\/\/droppingballast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/droppingballast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6413"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/droppingballast.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}