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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><table class="infobox" style="width:25.5em;border-spacing:2px;"> <tbody><tr> <th colspan="2" style="text-align: center; font-size: 125%;">GA-400R Gizmo </th></tr> <tr> <th>Role </th> <td>Light helicopter<div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Type of aircraft</div> </td></tr> <tr> <th><span class="nowrap">National origin</span> </th> <td><a href="/wiki/United_States_of_America" class="mw-redirect" title="United States of America">United States of America</a> </td></tr> <tr> <th>Manufacturer </th> <td><a href="/wiki/Goodyear_Aircraft_Company" class="mw-redirect" title="Goodyear Aircraft Company">Goodyear Aircraft Company</a> </td></tr> <tr> <th>Designer </th> <td>Paul Ziegler </td></tr> <tr> <th>First flight </th> <td>9 May 1954 </td></tr> <tr> <th>Introduction </th> <td>1954 </td></tr> </tbody></table> <p>The <b>Goodyear GA-400R Gizmo</b> is a one-man <a href="/wiki/Helicopter" title="Helicopter">helicopter</a> proposed in the 1950s for duties such as liaison and observation.<sup id="cite_ref-lambermont_1-0" class="reference"><a href="#cite_note-lambermont-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Design_and_development">Design and development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=1" title="Edit section: Design and development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Goodyear started developing light helicopters in 1954. The GA-400R was the third in the series. The helicopter was not put into production.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The one-man helicopter was designed to be lightweight and simple. The airframe is made of welded aluminum tubing. The rotor blades have wooden cores with fiberglass surfaces. The engine is a Johnson outboard marine engine. The transmission used rubber belts. The Gizmo has demonstrated low autorotation sink rates of 1200 ft/min. </p> <div class="mw-heading mw-heading2"><h2 id="Operational_history">Operational history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=2" title="Edit section: Operational history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>First test flights were performed at <a href="/wiki/Akron,_Ohio" title="Akron, Ohio">Akron, Ohio</a> in 1954.<sup id="cite_ref-Green_3-0" class="reference"><a href="#cite_note-Green-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The GA-400R was tested by the United States Navy in 1957 at <a href="/wiki/Naval_Air_Station_Patuxent_River" title="Naval Air Station Patuxent River">Patuxent River Naval Air Base</a> in <a href="/wiki/Aviation_in_Maryland" title="Aviation in Maryland">Maryland</a>. </p><p>In 1966, Goodyear donated the prototype to the <a href="/wiki/EAA_Airventure_Museum" class="mw-redirect" title="EAA Airventure Museum">EAA Airventure Museum</a> in <a href="/wiki/Oshkosh,_Wisconsin" title="Oshkosh, Wisconsin">Oshkosh, Wisconsin</a> and can now be found at the <a href="/wiki/Classic_Rotors_Museum" title="Classic Rotors Museum">Classic Rotors Museum</a>, <a href="/wiki/Ramona_Airport" title="Ramona Airport">Ramona Airport</a>.<sup id="cite_ref-Rod_4-0" class="reference"><a href="#cite_note-Rod-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Variants">Variants</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=3" title="Edit section: Variants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>GA-400R</dt> <dd>A 55 hp Mercury outboard powerplant.</dd> <dt>GA-400R-2</dt> <dd></dd> <dt>GA-400R-3</dt> <dd>38 hp (28 kW) Johnson two stroke powerplant</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Specifications_(GA-400R)"><span id="Specifications_.28GA-400R.29"></span>Specifications (GA-400R)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=4" title="Edit section: Specifications (GA-400R)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p style="font-size: 90%; margin:0;"><i>Data from</i> Jane's All the World's Aircraft 1958-59<sup id="cite_ref-JAWA1958-59_5-0" class="reference"><a href="#cite_note-JAWA1958-59-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></p><p><span style="font-size:120%"><b>General characteristics</b></span> </p><ul><li><b>Capacity:</b> 1</li> <li><b>Length:</b> 21 ft 0 in (6.40 m)</li> <li><b>Empty weight:</b> 290 lb (132 kg)</li> <li><b>Gross weight:</b> 490 lb (222 kg)</li> <li><b>Max takeoff weight:</b> 520 lb (236 kg)</li> <li><b>Fuel capacity:</b> 4 US gal (3 imp gal; 15 L)</li> <li><b>Powerplant:</b> 1 × <a href="/wiki/Johnson_Outboards" title="Johnson Outboards">Johnson Outboard</a> Marine & Mfg. Model RDHE 2-stroke piston engine, 38 hp (28 kW)</li> <li><b>Main rotor diameter:</b> 20 ft 0 in (6.10 m)</li> <li><b>Main rotor area:</b> 314.2 sq ft (29.19 m<sup>2</sup>)</li></ul> <p><span style="font-size:120%"><b>Performance</b></span> </p> <ul><li><b>Maximum speed:</b> 65 mph (105 km/h, 56 kn)</li> <li><b>Cruise speed:</b> 50 mph (80 km/h, 43 kn)</li> <li><b>Range:</b> 50 mi (80 km, 43 nmi) with maximum payload</li> <li><b>Service ceiling:</b> 12,000 ft (3,700 m) <br /></li> <li><b>Hover ceiling:</b> 6,000 ft (1,829 m)</li> <li><b>Rate of climb:</b> 500 ft/min (2.5 m/s)</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_single_seat_helicopters" title="List of single seat helicopters">List of single seat helicopters</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Goodyear_GA-400R_Gizmo&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-lambermont-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-lambermont_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFLambermontPirie1970" class="citation book cs1">Lambermont, Paul Marcel; Pirie, Anthony (1970). <i>Helicopters and autogyros of the world</i>. Cassell. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0304933907" title="Special:BookSources/978-0304933907"><bdi>978-0304933907</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Helicopters+and+autogyros+of+the+world&rft.pub=Cassell&rft.date=1970&rft.isbn=978-0304933907&rft.aulast=Lambermont&rft.aufirst=Paul+Marcel&rft.au=Pirie%2C+Anthony&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoodyear+GA-400R+Gizmo" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation journal cs1">"unknown". <i>Sport Aviation</i>. April 1958.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sport+Aviation&rft.atitle=unknown&rft.date=1958-04&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoodyear+GA-400R+Gizmo" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: </span><span class="cs1-visible-error citation-comment">Cite uses generic title (<a href="/wiki/Help:CS1_errors#generic_title" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-Green-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-Green_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGreenPollinger" class="citation book cs1">Green, William; Pollinger, Gerald John. <i>The Aircraft of the World</i> (new, revised and enlarged ed.). London: MacDonald. p. 196.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Aircraft+of+the+World&rft.place=London&rft.pages=196&rft.edition=new%2C+revised+and+enlarged&rft.pub=MacDonald&rft.aulast=Green&rft.aufirst=William&rft.au=Pollinger%2C+Gerald+John&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoodyear+GA-400R+Gizmo" class="Z3988"></span></span> </li> <li id="cite_note-Rod-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Rod_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.rodbearden.com/California%202019/Classic%20Rotors%20Museum/Goodyear%20GA-400R-3%20Gizmo%20N69N%204.html">"Goodyear GA-400R-3 Gizmo N69N 4"</a>. <i>Rod's Aviation Photos: California Tour 2019: Classic Rotors Museum, Ramona Airport</i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 June</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Rod%27s+Aviation+Photos%3A+California+Tour+2019%3A+Classic+Rotors+Museum%2C+Ramona+Airport&rft.atitle=Goodyear+GA-400R-3+Gizmo+N69N+4&rft_id=http%3A%2F%2Fwww.rodbearden.com%2FCalifornia%25202019%2FClassic%2520Rotors%2520Museum%2FGoodyear%2520GA-400R-3%2520Gizmo%2520N69N%25204.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoodyear+GA-400R+Gizmo" class="Z3988"></span></span> </li> <li id="cite_note-JAWA1958-59-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-JAWA1958-59_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBridgman1958" class="citation book cs1">Bridgman, Leonard, ed. (1958). <i>Jane's All the World's Aircraft 1958-59</i>. London: Jane's All the World's Aircraft Publishing Co. Ltd. pp. 305–306.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Jane%27s+All+the+World%27s+Aircraft+1958-59&rft.place=London&rft.pages=305-306&rft.pub=Jane%27s+All+the+World%27s+Aircraft+Publishing+Co.+Ltd.&rft.date=1958&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoodyear+GA-400R+Gizmo" class="Z3988"></span></span> </li> </ol></div></div> <p><br /> </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist 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href="/wiki/B-class_blimp" title="B-class blimp">Type FA</a></li> <li><a href="/wiki/E-class_blimp" title="E-class blimp">Type FB</a></li> <li><a href="/wiki/F-class_blimp" title="F-class blimp">Type FC</a></li> <li><a href="/w/index.php?title=Goodyear_Type_FD&action=edit&redlink=1" class="new" title="Goodyear Type FD (page does not exist)">Type FD</a></li> <li><a href="/w/index.php?title=Goodyear_Type_TZ&action=edit&redlink=1" class="new" title="Goodyear Type TZ (page does not exist)">Type TZ</a></li> <li><a href="/wiki/C-class_blimp" title="C-class blimp">Type U</a></li> <li><a href="/w/index.php?title=Goodyear_GZ-19&action=edit&redlink=1" class="new" title="Goodyear GZ-19 (page does not exist)">GZ-19</a></li> <li><a href="/wiki/Goodyear_GZ-20" title="Goodyear GZ-20">GZ-20</a></li> <li><a href="/wiki/Loral_GZ-22" title="Loral GZ-22">GZ-22</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">U.S. Navy designations</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/E-class_blimp" title="E-class blimp">E class</a></li> <li><a href="/wiki/F-class_blimp" title="F-class blimp">F class</a></li> <li><a href="/wiki/G-class_blimp" title="G-class blimp">G class</a></li> <li><a href="/wiki/H-class_blimp" title="H-class blimp">H class</a></li> <li><a href="/wiki/J-class_blimp" title="J-class blimp">J class</a></li> <li><a href="/wiki/K-class_blimp" title="K-class blimp">K class</a></li> <li><a href="/wiki/L-class_blimp" title="L-class blimp">L class</a></li> <li><a href="/wiki/M-class_blimp" title="M-class blimp">M class</a></li> <li><a href="/wiki/N-class_blimp" title="N-class blimp">N class</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Heavier-than-air</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Military types</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Goodyear_Inflatoplane" title="Goodyear Inflatoplane">AO-2 Inflatoplane</a></li> <li><a href="/wiki/Goodyear_Inflatoplane" title="Goodyear Inflatoplane">AO-3 Inflatoplane</a></li> <li><a href="/wiki/Vought_F4U_Corsair" title="Vought F4U Corsair">FG Corsair</a></li> <li><a href="/wiki/Goodyear_F2G_Corsair" title="Goodyear F2G Corsair">F2G Super Corsair</a></li> <li><a class="mw-selflink selflink">GA-400R Gizmo</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Civilian types</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Goodyear_Duck" title="Goodyear Duck">Duck</a></li> <li><a href="/wiki/Goodyear_Duck" title="Goodyear Duck">Drake</a></li> <li><a href="/wiki/Goodyear_Inflatoplane" title="Goodyear Inflatoplane">Inflatoplane</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Goodyear_GA-400R_Gizmo&oldid=1259945983">https://en.wikipedia.org/w/index.php?title=Goodyear_GA-400R_Gizmo&oldid=1259945983</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a 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