{"id":1138,"date":"2019-12-09T22:16:03","date_gmt":"2019-12-10T05:16:03","guid":{"rendered":"http:\/\/pimaair.wpengine.com\/?post_type=museum_aircraft&#038;p=1138"},"modified":"2019-12-30T09:11:40","modified_gmt":"2019-12-30T16:11:40","slug":"pentecost-hoppicopter","status":"publish","type":"museum_aircraft","link":"https:\/\/pimaair.org\/museum-aircraft\/pentecost-hoppicopter\/","title":{"rendered":"Pentecost Hoppicopter"},"content":{"rendered":"<h1>Pentecost E-III Hoppicopter<\/h1>\n<p><a href=\"wp-content\/uploads\/2019\/11\/Pentecost-Hoppicopter.jpg\"><img decoding=\"async\" src=\"wp-content\/uploads\/2019\/11\/Pentecost-Hoppicopter.jpg\" alt=\"A picture of the Pentecost E-III Hoppicopter\"><\/a><\/p>\n<table>\n<tbody>\n<tr>\n<td>Wingspan<\/td>\n<td>12 ft<\/td>\n<td>\n<p><strong><span style=\"color: #2387c3;\">Rotor Diameter<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>88 lbs<\/td>\n<td>\n<p><span style=\"color: #2387c3;\"><strong>Weight<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Engines<\/td>\n<td>One 2-cylinder piston engine with 20 horsepower<\/td>\n<td>\n<p><span style=\"color: #2387c3;\"><strong>Engine<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Crew<\/td>\n<td>1<\/td>\n<td>\n<p><span style=\"color: #2387c3;\"><strong>Crew<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<div>\n<p><span style=\"color: #2387c3;\"><strong>Manufacturer<\/strong><\/span><br \/>Pentecost<\/p>\n<p><span style=\"color: #2387c3;\"><strong>Markings<\/strong><\/span><br \/>Horace Pentecost, 1945<\/p>\n<p><span style=\"color: #2387c3;\"><strong>Designation<\/strong><\/span><br \/>E-III<\/p>\n<\/div>\n<div>\n<p><span style=\"color: #2387c3;\"><strong>Serial Number<\/strong><\/span><br \/>1<\/p>\n<\/div>\n<div>\n<p>The Hoppicopter is a part of the long quest for a truly low-cost personal flying machine.\u00a0 It was designed by Horace Pentecost of Seattle, Washington during World War II.\u00a0 He marketed it to the U.S. military as a replacement for the parachutes used by paratroops.\u00a0 The design consists of a small 20 horsepower motor powering two counter-rotating sets of rotor blades, strapped to the back of the pilot.\u00a0 The greatest weakness of the design was its use of the pilot\u2019s legs as landing gear.\u00a0 If he stumbled during landing or take-off the blades would quickly turn into thousands of potentially lethal splinters as they pounded themselves to bits on the ground.\u00a0 This was, quite correctly, seen as ridiculously hazardous and the idea was quickly abandoned.<\/p>\n<\/div>\n<p><!-- {\"name\":\"Aircraft Layout - 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E-III 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picture of the Pentecost E-III Hoppicopter\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"table\",\"props\":{\"show_title\":false,\"show_meta\":true,\"show_content\":true,\"show_image\":true,\"show_link\":true,\"table_order\":\"3\",\"table_responsive\":\"responsive\",\"table_width_title\":\"shrink\",\"table_width_meta\":\"\",\"meta_style\":\"\",\"image_svg_color\":\"emphasis\",\"link_text\":\"Read 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#2387c3;\\\"><strong>Weight<\\\/strong><\\\/span><\\\/p>\",\"title\":\"Weight\",\"meta\":\"88 lbs\"}},{\"type\":\"table_item\",\"props\":{\"content\":\"\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Engine<\\\/strong><\\\/span><\\\/p>\",\"title\":\"Engines\",\"meta\":\"One 2-cylinder piston engine with 20 horsepower\"}},{\"type\":\"table_item\",\"props\":{\"content\":\"\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Crew<\\\/strong><\\\/span><\\\/p>\",\"title\":\"Crew\",\"meta\":\"1\"}}]},{\"type\":\"divider\",\"props\":{\"divider_element\":\"hr\",\"divider_style\":\"\",\"divider_align\":\"\",\"divider_align_breakpoint\":\"\",\"divider_align_fallback\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"}},{\"type\":\"text\",\"props\":{\"margin\":\"default\",\"column_breakpoint\":\"m\",\"text_style\":\"\",\"text_color\":\"\",\"text_size\":\"\",\"column\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Manufacturer<\\\/strong><\\\/span><br \\\/>Pentecost<\\\/p>\\n\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Markings<\\\/strong><\\\/span><br \\\/>Horace Pentecost, 1945<\\\/p>\\n\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Designation<\\\/strong><\\\/span><br \\\/>E-III<\\\/p>\"}},{\"type\":\"text\",\"props\":{\"margin\":\"default\",\"column_breakpoint\":\"m\",\"text_style\":\"\",\"text_color\":\"\",\"text_size\":\"\",\"column\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p><span style=\\\"color: #2387c3;\\\"><strong>Serial Number<\\\/strong><\\\/span><br \\\/>1<\\\/p>\"}}]}]},{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\",\"margin_remove_top\":true},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"text\",\"props\":{\"margin\":\"default\",\"column_breakpoint\":\"m\",\"text_style\":\"\",\"text_color\":\"\",\"text_size\":\"\",\"column\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p>The Hoppicopter is a part of the long quest for a truly low-cost personal flying machine.\\u00a0 It was designed by Horace Pentecost of Seattle, Washington during World War II.\\u00a0 He marketed it to the U.S. military as a replacement for the parachutes used by paratroops.\\u00a0 The design consists of a small 20 horsepower motor powering two counter-rotating sets of rotor blades, strapped to the back of the pilot.\\u00a0 The greatest weakness of the design was its use of the pilot\\u2019s legs as landing gear.\\u00a0 If he stumbled during landing or take-off the blades would quickly turn into thousands of potentially lethal splinters as they pounded themselves to bits on the ground.\\u00a0 This was, quite correctly, seen as ridiculously hazardous and the idea was quickly abandoned.<\\\/p>\"}}]}]}]}],\"version\":\"1.22.2\",\"props\":[]} 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