{"id":126,"date":"2018-07-01T18:27:51","date_gmt":"2018-07-02T01:27:51","guid":{"rendered":"http:\/\/shmalex.com\/?p=126"},"modified":"2018-07-01T20:41:45","modified_gmt":"2018-07-02T03:41:45","slug":"restoring-a-radial-engine-for-the-living-room","status":"publish","type":"post","link":"https:\/\/electronsandxploits.com\/?p=126","title":{"rendered":"Restoring a radial engine for a new purpose."},"content":{"rendered":"<p>Discovered a Jacobs L5MB radial power plant that was destined for the scrap yard. This engine was found in a damp basement and was no longer airworthy. After a bit of work it was restored for the living room as a coffee table.<\/p>\n<p><strong>Disassembly and cleaning stage:<\/strong><\/p>\n<p>Engine was sitting in a basement for decades and needed to be completely disassembled and cleaned.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-138 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-1.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-140 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-4.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-141 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-5.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-142 size-full\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-6.jpg\" alt=\"\" width=\"720\" height=\"960\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-6.jpg 720w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-6-225x300.jpg 225w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-6-600x800.jpg 600w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-143 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-7.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-144 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-8.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-146 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-10.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p><strong>Media Blasting and Painting stage:<\/strong><\/p>\n<p>All parts were were media blasted, painted and clear coated.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-135 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-1400x1050.jpg 1400w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-9-600x450.jpg 600w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-147 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-11.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-148 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12-1024x768.jpg\" alt=\"\" width=\"736\" height=\"552\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12-1024x768.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12-300x225.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12-768x576.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12-600x450.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-12.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p><strong>Machining Process:<\/strong><\/p>\n<p>In order for the engine to support a glass top aluminum tubes were made to thread onto the spark plug threads.\u00a0 \u00a0The threads allowed each supporting tube to adjust to specific heights eliminating any potential wobble of the glass top.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-149 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13-1024x680.jpg\" alt=\"\" width=\"736\" height=\"489\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13-1024x680.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13-300x199.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13-768x510.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13-600x398.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-13.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-150 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14-1024x680.jpg\" alt=\"\" width=\"736\" height=\"489\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14-1024x680.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14-300x199.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14-768x510.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14-600x398.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-14.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-151 size-large\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15-1024x680.jpg\" alt=\"\" width=\"736\" height=\"489\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15-1024x680.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15-300x199.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15-768x510.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15-600x398.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-15.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-152\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16-1024x680.jpg\" alt=\"\" width=\"736\" height=\"489\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16-1024x680.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16-300x199.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16-768x510.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16-600x398.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-16.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>Assembly:<\/p>\n<p>Assembled the engine with new hardware and used the valves on the end of the adjustable tubes as supports for the table top.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-153\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-17.jpg\" alt=\"\" width=\"720\" height=\"960\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-17.jpg 720w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-17-225x300.jpg 225w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-17-600x800.jpg 600w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-154\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-18.jpg\" alt=\"\" width=\"720\" height=\"960\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-18.jpg 720w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-18-225x300.jpg 225w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-18-600x800.jpg 600w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-155\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19-1024x576.jpg\" alt=\"\" width=\"736\" height=\"414\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19-1024x576.jpg 1024w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19-300x169.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19-768x432.jpg 768w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19-600x338.jpg 600w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Engine-19.jpg 1080w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>A little history behind this Jacobs power plant.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-196\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/jacobs-engines.jpg\" alt=\"\" width=\"437\" height=\"612\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/jacobs-engines.jpg 437w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/jacobs-engines-214x300.jpg 214w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/p>\n<p>The L5MB model made in 1935 and installed in about 6 different aircraft of its time. \u00a0Below is a photo of a Beechcraft Staggerwing one of the types of aircraft it was made for.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-195\" src=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Beechcraft_Staggerwing_production_line.jpg\" alt=\"\" width=\"750\" height=\"600\" srcset=\"https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Beechcraft_Staggerwing_production_line.jpg 750w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Beechcraft_Staggerwing_production_line-300x240.jpg 300w, https:\/\/electronsandxploits.com\/wp-content\/uploads\/2018\/07\/Beechcraft_Staggerwing_production_line-600x480.jpg 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>This 7 cylinder, air cooled radial engine produced approximately 285HP @ 2,000 rpm at sea level with a compression ratio of 6.0:1.\u00a0 It used a Stromberg NA-R7A carburetor with a minimum octane level of 73. Its dry weight is about 234 kg (this coffee table obviously less to reduce weight)<\/p>\n<p>Aircraft application:<\/p>\n<ul>\n<li>Beechcraft Model 18<\/li>\n<li>Beechcraft Staggerwing<\/li>\n<li>Fleet 50<\/li>\n<li>Fleetwings Sea Bird<\/li>\n<li>Howard DGA-8<\/li>\n<li>Waco S Series<\/li>\n<\/ul>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Jacobs_R-830\">https:\/\/en.wikipedia.org\/wiki\/Jacobs_R-830<\/a><\/p>\n<p>Type Certificate Data Sheet<\/p>\n<p><a href=\"http:\/\/rgl.faa.gov\/Regulatory_and_Guidance_library\/rgMakeModel.nsf\/0\/4a68bef3caaa7c6186256bcf0041c9b1\/%24FILE\/E-156.pdf\">http:\/\/rgl.faa.gov\/Regulatory_and_Guidance_library\/rgMakeModel.nsf\/0\/4a68bef3caaa7c6186256bcf0041c9b1\/%24FILE\/E-156.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discovered a Jacobs L5MB radial power plant that was destined for the scrap yard. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-126","post","type-post","status-publish","format-gallery","hentry","category-projects","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/posts\/126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=126"}],"version-history":[{"count":18,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/posts\/126\/revisions"}],"predecessor-version":[{"id":201,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=\/wp\/v2\/posts\/126\/revisions\/201"}],"wp:attachment":[{"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/electronsandxploits.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}