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><channel><title>RetroMechanix.com</title> <atom:link href="http://retromechanix.com/feed/" rel="self" type="application/rss+xml" /><link>http://retromechanix.com</link> <description>Yesterday&#039;s Wings of Tomorrow</description> <lastBuildDate>Fri, 18 May 2012 04:07:03 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.2</generator> <xhtml:meta xmlns:xhtml="http://www.w3.org/1999/xhtml" name="robots" content="noindex" /> <item><title>Higgins-Bellanca Cargo Model 39-60 (1944)</title><link>http://retromechanix.com/article/transports/higgins-bellanca-cargo-model-39-60-1944/</link> <comments>http://retromechanix.com/article/transports/higgins-bellanca-cargo-model-39-60-1944/#comments</comments> <pubDate>Fri, 18 May 2012 04:07:03 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Transports]]></category> <category><![CDATA[Bellanca]]></category> <category><![CDATA[blended wing-body]]></category> <category><![CDATA[Burnelli]]></category> <category><![CDATA[cargo]]></category> <category><![CDATA[flying wing]]></category> <category><![CDATA[Higgins]]></category> <category><![CDATA[Model 39-60]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[pusher]]></category> <category><![CDATA[transport]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=4011</guid> <description><![CDATA[This article reproduces the original specification document for the Higgins-Bellanca Cargo Model 39-60 of 1944, an enormous transport aircraft designed for the USAAC which combined an elegant blended wing-fuselage with a twin boom tail assembly. According to various sources, this project began in 1941 and was also referred to as the &#8220;HC-57,&#8221; with the HC <a
href='http://retromechanix.com/article/transports/higgins-bellanca-cargo-model-39-60-1944/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/transports/higgins-bellanca-cargo-model-39-60-1944/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>USAAF Evaluation of Navy SWOD Mk 9 Bat Glide Bomb (1945)</title><link>http://retromechanix.com/article/missiles/usaaf-evaluation-of-navy-swod-mk-9-bat-glide-bomb-1945/</link> <comments>http://retromechanix.com/article/missiles/usaaf-evaluation-of-navy-swod-mk-9-bat-glide-bomb-1945/#comments</comments> <pubDate>Sun, 13 May 2012 03:09:21 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Missiles & Rockets]]></category> <category><![CDATA[Ordnance]]></category> <category><![CDATA[Bat]]></category> <category><![CDATA[evaluation]]></category> <category><![CDATA[glide bomb]]></category> <category><![CDATA[Navy]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[SWOD Mark 9]]></category> <category><![CDATA[testing]]></category> <category><![CDATA[USAAF]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3963</guid> <description><![CDATA[The U.S. Navy&#8217;s &#8220;Special Weapons Ordnance Device&#8221; (SWOD) Mark 9 &#8220;Bat&#8221; glide bomb was one of the world&#8217;s earliest fully-automatic, target-seeking &#8220;smart&#8221; weapon systems. The Bat was a development of the &#8220;Pelican&#8221; glide bomb, which was equipped with a Receiving Homing Beacon (RHB) that required a radar beacon to illuminate the target. The Bat had <a
href='http://retromechanix.com/article/missiles/usaaf-evaluation-of-navy-swod-mk-9-bat-glide-bomb-1945/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/missiles/usaaf-evaluation-of-navy-swod-mk-9-bat-glide-bomb-1945/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Convair Generalized Supersonic Bomber (GEBO) II Studies (1951)</title><link>http://retromechanix.com/article/bombers/convair-generalized-supersonic-bomber-gebo-ii-studies-1951/</link> <comments>http://retromechanix.com/article/bombers/convair-generalized-supersonic-bomber-gebo-ii-studies-1951/#comments</comments> <pubDate>Sat, 05 May 2012 21:55:40 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Bombers]]></category> <category><![CDATA[B-36]]></category> <category><![CDATA[B-58]]></category> <category><![CDATA[Consolidated-Vultee]]></category> <category><![CDATA[Convair]]></category> <category><![CDATA[GEBO]]></category> <category><![CDATA[Generalized Supersonic Bomber]]></category> <category><![CDATA[Hustler]]></category> <category><![CDATA[parasite]]></category> <category><![CDATA[premium]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3918</guid> <description><![CDATA[The Forth Worth Division of Consolidated Vultee (Convair) Aircraft Corporation initiated conceptual studies of a supersonic bomber for the USAAF in October 1946 under the Generalized Supersonic Bomber (GEBO) program. This was followed by GEBO II in March 1949, under which Convair further refined the concept. This article presents excerpts from Convair Report Nos. 3 <a
href='http://retromechanix.com/article/bombers/convair-generalized-supersonic-bomber-gebo-ii-studies-1951/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/bombers/convair-generalized-supersonic-bomber-gebo-ii-studies-1951/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Martin 246 Naval Attack Aircraft Proposal (1949)</title><link>http://retromechanix.com/article/attack/martin-246-naval-attack-aircraft-proposal-1949/</link> <comments>http://retromechanix.com/article/attack/martin-246-naval-attack-aircraft-proposal-1949/#comments</comments> <pubDate>Fri, 27 Apr 2012 04:07:56 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Attack]]></category> <category><![CDATA[attack]]></category> <category><![CDATA[inverted gull wing]]></category> <category><![CDATA[Martin]]></category> <category><![CDATA[Model 246]]></category> <category><![CDATA[Navy]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[T-tail]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3885</guid> <description><![CDATA[The aircraft shown in the brochure at left is the Martin 246, a jet attack aircraft submitted to the US Navy Bureau of Aeronautics (BuAer) on an unsolicited basis in 1949. Its chief characteristics were its inverted gull wing and T-tail, the latter being a popular design choice at Martin in this period. According to <a
href='http://retromechanix.com/article/attack/martin-246-naval-attack-aircraft-proposal-1949/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/attack/martin-246-naval-attack-aircraft-proposal-1949/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Stroop &#8220;X-Wing&#8221; Convertible Speed Planes (1935-9)</title><link>http://retromechanix.com/article/fighters/stroop-x-wing-convertible-speed-planes-1935-9/</link> <comments>http://retromechanix.com/article/fighters/stroop-x-wing-convertible-speed-planes-1935-9/#comments</comments> <pubDate>Fri, 20 Apr 2012 02:26:47 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Fighters]]></category> <category><![CDATA[Research]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[SP-6]]></category> <category><![CDATA[SP-7]]></category> <category><![CDATA[Speed Plane]]></category> <category><![CDATA[Stroop]]></category> <category><![CDATA[variable geometry]]></category> <category><![CDATA[X-Wing]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3863</guid> <description><![CDATA[Robert C. Stroop is one of the many obscure Depression-era aeronautical inventors who created innovative if somewhat impractical designs that, for various reasons, never saw their full potential. The author has unable to uncover much about the background of Mr. Stroop apart from a few interesting facts. In surviving correspondence with the Army Air Corps, <a
href='http://retromechanix.com/article/fighters/stroop-x-wing-convertible-speed-planes-1935-9/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/fighters/stroop-x-wing-convertible-speed-planes-1935-9/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Bell XF-109 VTOL Fighter Brochure and Mock-up Inspection Program (1959)</title><link>http://retromechanix.com/article/fighters/bell-xf-109-vtol-fighter-brochure-and-mock-up-inspection-program-1959/</link> <comments>http://retromechanix.com/article/fighters/bell-xf-109-vtol-fighter-brochure-and-mock-up-inspection-program-1959/#comments</comments> <pubDate>Sat, 14 Apr 2012 08:17:13 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Categories]]></category> <category><![CDATA[Fighters]]></category> <category><![CDATA[VTOL]]></category> <category><![CDATA[Bell]]></category> <category><![CDATA[D188A]]></category> <category><![CDATA[fighter]]></category> <category><![CDATA[Model 2000]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[proposal]]></category> <category><![CDATA[VSTOL]]></category> <category><![CDATA[XF-109]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3834</guid> <description><![CDATA[In our final article in a series* on the Bell D188A/Model 2000 (a.k.a. XF-109 / XF3L—both spurious designations invented by the Bell marketing department) supersonic VTOL fighter of the late 1950s, we present a brochure and mock-up inspection guide dating from February 1959. A preview of the brochure is shown to the left; it is remarkable for <a
href='http://retromechanix.com/article/fighters/bell-xf-109-vtol-fighter-brochure-and-mock-up-inspection-program-1959/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/fighters/bell-xf-109-vtol-fighter-brochure-and-mock-up-inspection-program-1959/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Doblhoff Wnf 342 V4 Helicopter—Evaluation by General Electric (1948)</title><link>http://retromechanix.com/article/rotary-wing/doblhoff-wnf-342-v4-evaluation-by-general-electric-1948/</link> <comments>http://retromechanix.com/article/rotary-wing/doblhoff-wnf-342-v4-evaluation-by-general-electric-1948/#comments</comments> <pubDate>Sat, 07 Apr 2012 03:55:23 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Rotary Wing]]></category> <category><![CDATA[Doblhoff]]></category> <category><![CDATA[General Electric]]></category> <category><![CDATA[helicopter]]></category> <category><![CDATA[igor bensen]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[Wnf 342]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3765</guid> <description><![CDATA[The photos to the left depict the Doblhoff Wnf 342 V4, an experimental German helicopter which employed tip jets to drive the rotor. It was built by a group of Austrian engineers at the Wiener Neustädter Flugzeugwerke headed by Friedrich von Doblhoff and was originally designed to fulfill a German Navy requirement for an observation platform <a
href='http://retromechanix.com/article/rotary-wing/doblhoff-wnf-342-v4-evaluation-by-general-electric-1948/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/rotary-wing/doblhoff-wnf-342-v4-evaluation-by-general-electric-1948/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Scherrer Jet Propulsion Airplane Proposal (1943)</title><link>http://retromechanix.com/article/research/scherrer-jet-propulsion-airplane-proposal-1943/</link> <comments>http://retromechanix.com/article/research/scherrer-jet-propulsion-airplane-proposal-1943/#comments</comments> <pubDate>Fri, 30 Mar 2012 20:45:15 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Research]]></category> <category><![CDATA[1943]]></category> <category><![CDATA[Ames]]></category> <category><![CDATA[jet]]></category> <category><![CDATA[NACA]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[proposal]]></category> <category><![CDATA[Scherrer]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3683</guid> <description><![CDATA[Avid students of the history of jet propulsion may be aware of &#8220;Jake&#8217;s Jeep,&#8221; a ducted-fan engine similar to the Campini design that was developed at NACA Langley by Eastman Jacobs and Albert E. Sherman from 1941 to 1943 before being abandoned in favor of superior turbojet technology imported from England. Even a dedicated research <a
href='http://retromechanix.com/article/research/scherrer-jet-propulsion-airplane-proposal-1943/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/research/scherrer-jet-propulsion-airplane-proposal-1943/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Bell D188A/Model 2000 VTOL Fighter Mock-up Report—February 1959</title><link>http://retromechanix.com/article/fighters/bell-d188amodel-2000-vtol-fighter-mock-up-report-february-1959/</link> <comments>http://retromechanix.com/article/fighters/bell-d188amodel-2000-vtol-fighter-mock-up-report-february-1959/#comments</comments> <pubDate>Sat, 24 Mar 2012 04:24:15 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Fighters]]></category> <category><![CDATA[VTOL]]></category> <category><![CDATA[Bell]]></category> <category><![CDATA[D188A]]></category> <category><![CDATA[fighter]]></category> <category><![CDATA[Mock-up]]></category> <category><![CDATA[Model 2000]]></category> <category><![CDATA[premium]]></category> <category><![CDATA[proposal]]></category> <category><![CDATA[XF-109]]></category> <category><![CDATA[XF3L]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3487</guid> <description><![CDATA[In our latest article in a series on the Bell D188A/Model 2000 (a.k.a. XF-109 / XF3L—both spurious designations invented by the Bell marketing department) supersonic VTOL fighter of the late 1950s, we present this huge, heavily illustrated mock-up report dating from February 6, 1959. By this time, the Air Force had become a significant partner in the program, <a
href='http://retromechanix.com/article/fighters/bell-d188amodel-2000-vtol-fighter-mock-up-report-february-1959/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/fighters/bell-d188amodel-2000-vtol-fighter-mock-up-report-february-1959/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Douglas El Segundo Project 9 Tailless Bomber—Wind Tunnel Tests (1938)</title><link>http://retromechanix.com/article/bombers/douglas-el-segundo-project-9-tailless-bomber/</link> <comments>http://retromechanix.com/article/bombers/douglas-el-segundo-project-9-tailless-bomber/#comments</comments> <pubDate>Tue, 13 Mar 2012 15:49:49 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Bombers]]></category> <category><![CDATA[Bomber]]></category> <category><![CDATA[Douglas]]></category> <category><![CDATA[El Segundo]]></category> <category><![CDATA[flying wing]]></category> <category><![CDATA[GALCIT]]></category> <category><![CDATA[Northrop]]></category> <category><![CDATA[Project 9]]></category> <category><![CDATA[R.G. Smith]]></category> <category><![CDATA[study]]></category> <category><![CDATA[Tailless]]></category> <category><![CDATA[wind tunnel test]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3439</guid> <description><![CDATA[&#160; The Douglas El Segundo Division Project 9 was a study for a twin engine tailless bomber dating from 1938. It was likely designed (or heavily influenced) by Jack Northrop, who would leave Douglas the following year to form his own independent company. The report presented in the gallery above describes the results of wind <a
href='http://retromechanix.com/article/bombers/douglas-el-segundo-project-9-tailless-bomber/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/bombers/douglas-el-segundo-project-9-tailless-bomber/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Curtiss-Wright XF-87 Turboprop Fighter-Bomber Proposal (1949)</title><link>http://retromechanix.com/article/fighters/curtiss-wright-xf-87-turboprop-fighter-bomber-proposal-1949/</link> <comments>http://retromechanix.com/article/fighters/curtiss-wright-xf-87-turboprop-fighter-bomber-proposal-1949/#comments</comments> <pubDate>Wed, 07 Mar 2012 04:41:41 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Attack]]></category> <category><![CDATA[Fighters]]></category> <category><![CDATA[Blackhawk]]></category> <category><![CDATA[Curtiss-Wright]]></category> <category><![CDATA[fighter-bomber]]></category> <category><![CDATA[ground attack]]></category> <category><![CDATA[proposal]]></category> <category><![CDATA[turboprop]]></category> <category><![CDATA[XF-87]]></category> <category><![CDATA[XP-87]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3422</guid> <description><![CDATA[The Curtiss-Wright XF-87 Blackhawk was a prototype all-weather jet interceptor designed as a replacement for the Northrop P-61 Black Widow night fighter. It was a large mid-wing aircraft with four Westinghouse XJ34-WE-7 turbojets paired in underwing pods, with a mid-mounted tailplane and tricycle undercarriage. Two crew members sat side-by-side under a spacious single canopy. The <a
href='http://retromechanix.com/article/fighters/curtiss-wright-xf-87-turboprop-fighter-bomber-proposal-1949/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/fighters/curtiss-wright-xf-87-turboprop-fighter-bomber-proposal-1949/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Proposal for Improved Bell XP-77 (1944)</title><link>http://retromechanix.com/article/fighters/proposal-for-improved-bell-xp-77-1944/</link> <comments>http://retromechanix.com/article/fighters/proposal-for-improved-bell-xp-77-1944/#comments</comments> <pubDate>Wed, 29 Feb 2012 04:59:56 +0000</pubDate> <dc:creator>editor</dc:creator> <category><![CDATA[Fighters]]></category> <category><![CDATA[Air Force]]></category> <category><![CDATA[Bell]]></category> <category><![CDATA[lightweight fighter]]></category> <category><![CDATA[proposal]]></category> <category><![CDATA[Ranger engine]]></category> <category><![CDATA[wooden construction]]></category> <category><![CDATA[XP-77]]></category><guid
isPermaLink="false">http://retromechanix.com/?p=3274</guid> <description><![CDATA[The gallery above reproduces &#8220;The XP-77 Airplane,&#8221; a report by Bell Aircraft Corporation dating from around June 1944 found in US Army Air Force (USAAF) files held in National Archives II in College Park, Maryland. The report is both a review of the development work done on the Bell XP-77 wooden light weight fighter and <a
href='http://retromechanix.com/article/fighters/proposal-for-improved-bell-xp-77-1944/' class='excerpt-more'>[...]</a>]]></description> <wfw:commentRss>http://retromechanix.com/article/fighters/proposal-for-improved-bell-xp-77-1944/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
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