{"id":3261,"date":"2016-11-18T09:43:38","date_gmt":"2016-11-18T13:43:38","guid":{"rendered":"https:\/\/amablog.modelaircraft.org\/amamuseum\/?p=3261"},"modified":"2016-11-18T10:44:58","modified_gmt":"2016-11-18T14:44:58","slug":"carl-goldbergs-prototype-zipper","status":"publish","type":"post","link":"https:\/\/amablog.modelaircraft.org\/amamuseum\/2016\/11\/18\/carl-goldbergs-prototype-zipper\/","title":{"rendered":"Carl Goldberg&#8217;s Prototype Zipper"},"content":{"rendered":"<p>Free Flight was forever changed after the introduction of Carl Goldberg\u2019s Zipper model at the 1938 Nats.\u00a0 The model, with its raised pylon, undercambered airfoil and polyhedral wing is unmistakable and iconic.<\/p>\n<figure id=\"attachment_3262\" aria-describedby=\"caption-attachment-3262\" style=\"width: 618px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-360viewN2-04-2016.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3262\" src=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-360viewN2-04-2016.jpg\" alt=\"Carl Goldberg's Prototype Zipper is covered in a buff tissue  We are unsure what the original color was.\" width=\"618\" height=\"600\" srcset=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-360viewN2-04-2016.jpg 618w, https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-360viewN2-04-2016-300x291.jpg 300w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><\/a><figcaption id=\"caption-attachment-3262\" class=\"wp-caption-text\">Carl Goldberg&#8217;s Prototype Zipper Model Airplane, National Model Aviation Museum Permanent Collection, donated by Beth Goldberg, 2000.49.01.<\/figcaption><\/figure>\n<p>Want to know why the Zipper is so famous?\u00a0 <a href=\"https:\/\/youtu.be\/ZY6VcougrT4?list=PLYA5FHbSdqouetEBNC8IQHh2Bw6O-QHEd\">Watch this Fly-By<\/a>!<\/p>\n<p>The Zipper in the museum\u2019s collection is one of the original 1938 prototypes with a diamond-shape fuselage.\u00a0 It was donated to the museum by Carl\u2019s wife, Beth Goldberg.\u00a0 <a href=\"https:\/\/youtu.be\/y6rrgRuglyo?t=2m2s\">We&#8217;re working on making it available in a 360 rotational view &#8211; this will be available soon!<\/a><\/p>\n<p><strong>Fun Fact:<\/strong><br \/>\nIn the Spring of 1938, the Chicago Gas Model Aeronauts held a contest for model airplanes with a wingspan of 4 foot or less.\u00a0 The thought was that this meant the models would be forced to use smaller engines.\u00a0 However, they did not specify the size of engine required.<\/p>\n<p>Carl disagreed and pushed to have the engine size limited.\u00a0 No one else thought it was necessary.\u00a0 This lead to a bet between Bob Forster and Carl.\u00a0 Carl would be able to keep one of Bob\u2019s Forster .99 engines if he could fly it with model limited to a four foot wingspan.\u00a0 If he couldn\u2019t, well, no engine.\u00a0 Carl quickly built a 4 \u00bd foot wing, modified one of his Clipper fuselages and put the two together.\u00a0 He then proceeded to win the contest \u2013 and keep the engine.<\/p>\n<figure id=\"attachment_3263\" aria-describedby=\"caption-attachment-3263\" style=\"width: 533px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-17-16_10_19-label-org.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3263\" src=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-17-16_10_19-label-org.jpg\" alt=\"The paper of the ID label is turning brown and the handwriting faded, but it clearly states taht this model belongs to Carl Goldberg at a Chicago address.\" width=\"533\" height=\"800\" srcset=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-17-16_10_19-label-org.jpg 533w, https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-17-16_10_19-label-org-200x300.jpg 200w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/a><figcaption id=\"caption-attachment-3263\" class=\"wp-caption-text\">Carl Goldberg&#8217;s original ID label on the Prototype Zipper. Hidden on top of the pylon under the wing it is only visible when the model is not assembled.<\/figcaption><\/figure>\n<figure id=\"attachment_3264\" aria-describedby=\"caption-attachment-3264\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-22-16_10_19-interior-shot-org.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3264\" src=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-22-16_10_19-interior-shot-org.jpg\" alt=\"Longerons are angled in an alternating right and left pattern to support the Prototype  Zipper's diamond fuselage.\" width=\"800\" height=\"533\" srcset=\"https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-22-16_10_19-interior-shot-org.jpg 800w, https:\/\/amablog-modelaircraft-org.s3.us-east-2.amazonaws.com\/wp-content\/uploads\/sites\/6\/2016\/11\/2000.49.01-22-16_10_19-interior-shot-org-300x200.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-3264\" class=\"wp-caption-text\">An interior view of the prototype&#8217;s Zipper&#8217;s diamond-shaped fuselage.<\/figcaption><\/figure>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\nFor more information on the National Model Aviation Museum, including our location, hours and admission fees visit: <a href=\"https:\/\/www.modelaircraft.org\/museum\">www.modelaircraft.org\/museum<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Free Flight was forever changed after the introduction of Carl Goldberg\u2019s Zipper model at the 1938 Nats.\u00a0 The model, with its raised pylon, undercambered airfoil and polyhedral wing is unmistakable and iconic. Want to know why the Zipper is so famous?\u00a0 Watch this Fly-By! The Zipper in the museum\u2019s collection [&#8230;]<\/p>\n","protected":false},"author":10,"featured_media":3264,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wds_primary_category":0,"footnotes":""},"categories":[201,46,203,54,47],"tags":[56,213,246,214],"class_list":["post-3261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-360-views","category-early-model-aviation","category-fly-by","category-free-flight","category-museum","tag-artifact","tag-carl-goldberg","tag-free-flight","tag-prototype-zipper"],"_links":{"self":[{"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/posts\/3261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/comments?post=3261"}],"version-history":[{"count":4,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/posts\/3261\/revisions"}],"predecessor-version":[{"id":3272,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/posts\/3261\/revisions\/3272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/media\/3264"}],"wp:attachment":[{"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/media?parent=3261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/categories?post=3261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/amablog.modelaircraft.org\/amamuseum\/wp-json\/wp\/v2\/tags?post=3261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}