{"id":497,"date":"2011-08-31T20:48:06","date_gmt":"2011-08-31T20:48:06","guid":{"rendered":"http:\/\/bollerandchivens.com\/?p=497"},"modified":"2014-05-29T13:24:29","modified_gmt":"2014-05-29T13:24:29","slug":"calibration-instrument-for-wind-tunnel-strain-gage-devices-naca-at-moffat-field-ca","status":"publish","type":"post","link":"https:\/\/bollerandchivens.com\/?p=497","title":{"rendered":"Calibration Instrument for Wind Tunnel Strain Gauge Devices NACA at Moffett Field, CA"},"content":{"rendered":"<p><a href=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/09\/BC.calibration.rig_.for_.strain.gage_.balances.300dpi.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-732\" title=\"B&amp;C.calibration.rig.for.strain.gage.balances.300dpi\" src=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/09\/BC.calibration.rig_.for_.strain.gage_.balances.300dpi-735x1024.jpg\" alt=\"\" width=\"584\" height=\"813\" srcset=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/09\/BC.calibration.rig_.for_.strain.gage_.balances.300dpi-735x1024.jpg 735w, https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/09\/BC.calibration.rig_.for_.strain.gage_.balances.300dpi-215x300.jpg 215w, https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/09\/BC.calibration.rig_.for_.strain.gage_.balances.300dpi.jpg 1957w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><\/p>\n<p>Strain Gauge Balance units that will measure the six different components forces in a wind tunnel that are installed into wind tunnel models are calibrated with the Calibration Rig assembly.<\/p>\n<p>The cabinet assembly is like a large six unit platform scale.\u00a0 One balance scale unit for each individual force.<\/p>\n<p>A Strain Gauge Balance unit is lowered vertically into the center of the Calibration Rig.<\/p>\n<p>A selection of calibrated weights are placed on each of the six round platforms creating a simulation of the six different wind force components into the Strain Gauge Balance unit being tested.<\/p>\n<p>Measured are the three forces for drag, lift, and side and the three of moments of pitch, roll and yaw.<\/p>\n<p>Boller and Chivens constructed the 9-ton instrument and installed it in one of the Moffett Field wind tunnel buildings. The assembled Calibration Rig was so large the front window Boller &amp; Chivens building had to be removed in order to put it on a truck and trailer unit.<\/p>\n<p style=\"text-align: left;\">The assembled Calibration Rig was installed at NASA Ames Research Center Moffett Field, California.<\/p>\n<p style=\"text-align: left;\">Don Winans of Boller and Chivens assembled the Calibration Instrument and he also supervised the installation and the initial testing of the Calibration Rig at Moffett Field in California.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/08\/C-3-Early-Years-42.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-158\" title=\"C #3 Early Years 42\" src=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/08\/C-3-Early-Years-42.jpg\" alt=\"\" width=\"528\" height=\"428\" srcset=\"https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/08\/C-3-Early-Years-42.jpg 528w, https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/08\/C-3-Early-Years-42-300x243.jpg 300w, https:\/\/bollerandchivens.com\/wp-content\/uploads\/2011\/08\/C-3-Early-Years-42-370x300.jpg 370w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/a>Calibration Instrument with front covers and counter top removed.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Strain Gauge Balance units that will measure the six different components forces in a wind tunnel that are installed into wind tunnel models are calibrated with the Calibration Rig assembly. The cabinet assembly is like a large six unit platform scale.\u00a0 One balance scale unit for each individual force. A Strain Gauge Balance unit is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-497","post","type-post","status-publish","format-standard","hentry","category-specialty-instruments"],"_links":{"self":[{"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/posts\/497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=497"}],"version-history":[{"count":12,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/posts\/497\/revisions"}],"predecessor-version":[{"id":2677,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=\/wp\/v2\/posts\/497\/revisions\/2677"}],"wp:attachment":[{"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bollerandchivens.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}