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aircraft</div> </td></tr> <tr> <th><span class="nowrap">National origin</span> </th> <td><a href="/wiki/United_States" title="United States">United States</a> </td></tr> <tr> <th>Manufacturer </th> <td><a href="/wiki/Aeromarine" title="Aeromarine">Aeromarine</a> </td></tr> <tr> <th>Designer </th> <td>Boris v. Korvin-Kroukovsky </td></tr> <tr> <th>Status </th> <td>Design stage only </td></tr> <tr> <th><span class="nowrap">Number built</span> </th> <td>none </td></tr> </tbody></table> <p>The <b>Aeromarine BM-1</b> was a new <a href="/wiki/Mail_plane" title="Mail plane">mail plane</a> design to meet a request for proposal by the <a href="/wiki/US_Postal_Service" class="mw-redirect" title="US Postal Service">US Postal Service</a> in the 1920s. </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=Aeromarine_BM-1&action=edit&section=1" title="Edit section: Design and development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Aeromarine developed the <a href="/wiki/Aeromarine_AM-1" title="Aeromarine AM-1">AM-1</a>, <a href="/wiki/Aeromarine_AM-2" class="mw-redirect" title="Aeromarine AM-2">AM-2</a>, and <a href="/wiki/Aeromarine_AM-3" class="mw-redirect" title="Aeromarine AM-3">AM-3</a> designs in 1923 for an earlier proposal. The BM-1 was a clean-sheet design for the new effort.<sup id="cite_ref-Skyway_1-0" class="reference"><a href="#cite_note-Skyway-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The BM-1 was a single place <a href="/wiki/Biplane" title="Biplane">biplane</a> with <a href="/wiki/Conventional_landing_gear" title="Conventional landing gear">conventional landing gear</a> and a steerable tail skid. The aircraft used a dropable main fuel tank between the main gear to meet <a href="/wiki/Crashworthiness" title="Crashworthiness">crashworthiness</a> requirements and a small header tank of 10 gallons in the upper wing. Control cables were designed not to use pulleys. The wings had optional metal or wood <a href="/wiki/Spar_(aviation)" class="mw-redirect" title="Spar (aviation)">spars</a> with <a href="/wiki/Aircraft_dope" title="Aircraft dope">doped</a> <a href="/wiki/Aircraft_fabric_covering" title="Aircraft fabric covering">aircraft fabric covering</a>. The <a href="/wiki/Fuselage" title="Fuselage">fuselage</a> used an all-metal <a href="/wiki/Aluminum" class="mw-redirect" title="Aluminum">aluminum</a> girder structure with aluminum covering. The <a href="/wiki/Horizontal_stabilizer" class="mw-redirect" title="Horizontal stabilizer">horizontal stabilizer</a> used a <a href="/wiki/Jack_screw" class="mw-redirect" title="Jack screw">jack screw</a> for trim adjustment. The engine featured a radiator mounted to the front with a pass-through for the propeller shaft.<sup id="cite_ref-Skyway_1-1" class="reference"><a href="#cite_note-Skyway-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The BM-1 did not progress beyond design phase. </p> <div class="mw-heading mw-heading2"><h2 id="Specifications_(Aeromarine_BM-1)"><span id="Specifications_.28Aeromarine_BM-1.29"></span>Specifications (Aeromarine BM-1)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Aeromarine_BM-1&action=edit&section=2" title="Edit section: Specifications (Aeromarine BM-1)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p style="font-size: 90%; margin:0;"><i>Data from</i> Skyways</p><p><span style="font-size:120%"><b>General characteristics</b></span> </p><ul><li><b>Crew:</b> 1</li> <li><b>Length:</b> 30 ft 6 in (9.30 m)</li> <li><b>Upper wingspan:</b> 47 ft (14 m)</li> <li><b>Lower wingspan:</b> 44 ft (13 m)</li> <li><b>Height:</b> 11 ft (3.4 m)</li> <li><b>Wing area:</b> 514 sq ft (47.8 m<sup>2</sup>)</li> <li><b><a href="/wiki/Airfoil" title="Airfoil">Airfoil</a>:</b> Aeromarine airfoil series 2a</li> <li><b>Empty weight:</b> 2,822 lb (1,280 kg)</li> <li><b>Gross weight:</b> 4,755 lb (2,157 kg)</li> <li><b>Fuel capacity:</b> 100 U.S. gallons (380 L; 83 imp gal)</li> <li><b>Powerplant:</b> 1 × <a href="/wiki/Liberty_12" class="mw-redirect" title="Liberty 12">Liberty 12</a> , 420 hp (310 kW)</li></ul> <p><span style="font-size:120%"><b>Performance</b></span> </p> <ul><li><b>Maximum speed:</b> 109 kn (125 mph, 201 km/h)</li> <li><b>Stall speed:</b> 43 kn (50 mph, 80 km/h)</li> <li><b>Service ceiling:</b> 17,000 ft (5,200 m)</li> <li><b>Rate of climb:</b> 850 ft/min (4.3 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=Aeromarine_BM-1&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p> <b>Related development</b> </p> <ul><li><a href="/wiki/Aeromarine_AM-1" title="Aeromarine AM-1">Aeromarine AM-1</a></li></ul> <p class="mw-empty-elt"> </p> <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=Aeromarine_BM-1&action=edit&section=4" 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-Skyway-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Skyway_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Skyway_1-1"><sup><i><b>b</b></i></sup></a></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 class="citation journal cs1"><i>Skyways</i>. January 1999.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Skyways&rft.date=1999-01&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAeromarine+BM-1" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: untitled periodical (<a href="/wiki/Category:CS1_maint:_untitled_periodical" title="Category:CS1 maint: untitled periodical">link</a>)</span></span> </li> </ol></div></div> <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 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href="/wiki/Template_talk:Aeromarine_aircraft" title="Template talk:Aeromarine aircraft"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Aeromarine_aircraft" title="Special:EditPage/Template:Aeromarine aircraft"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Aeromarine_aircraft" style="font-size:114%;margin:0 4em"><a href="/wiki/Aeromarine" title="Aeromarine">Aeromarine</a> aircraft</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Aircraft</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Aeromarine_1909_Flying_Boat&action=edit&redlink=1" class="new" title="Aeromarine 1909 Flying Boat (page does not exist)">1909 Flying Boat</a></li> <li><a href="/wiki/Boland_1912_Tailless_Biplane" title="Boland 1912 Tailless Biplane">Model B</a></li> <li><a href="/wiki/Aeromarine_39" title="Aeromarine 39">39</a></li> <li><a href="/wiki/Aeromarine_40" title="Aeromarine 40">40</a></li> <li><a href="/wiki/Aeromarine_50" title="Aeromarine 50">50</a></li> <li><a href="/w/index.php?title=Aeromarine_52&action=edit&redlink=1" class="new" title="Aeromarine 52 (page does not exist)">52</a></li> <li><a href="/w/index.php?title=Aeromarine_55&action=edit&redlink=1" class="new" title="Aeromarine 55 (page does not exist)">55</a></li> <li><a href="/wiki/Aeromarine_Model_60" title="Aeromarine Model 60">60</a></li> <li><a href="/wiki/Felixstowe_F5L" title="Felixstowe F5L">75</a></li> <li><a href="/wiki/Curtiss_HS" title="Curtiss HS">80</a></li> <li><a href="/wiki/Curtiss_HS" title="Curtiss HS">85</a></li> <li><a href="/wiki/Aeromarine_700" title="Aeromarine 700">700</a></li> <li><a href="/wiki/Aeromarine_AM-1" title="Aeromarine AM-1">AM-1</a></li> <li><a href="/wiki/Aeromarine_AM-1" title="Aeromarine AM-1">AM-2</a></li> <li><a href="/wiki/Aeromarine_AM-1" title="Aeromarine AM-1">AM-3</a></li> <li><a href="/wiki/Aeromarine_AMC" title="Aeromarine AMC">AMC</a></li> <li><a href="/wiki/Aeromarine_AS" title="Aeromarine AS">AS</a></li> <li><a class="mw-selflink selflink">BM-1</a></li> <li><a href="/w/index.php?title=Aeromarine_CO-L&action=edit&redlink=1" class="new" title="Aeromarine CO-L (page does not exist)">CO-L</a></li> <li><a href="/wiki/Airco_DH.4" title="Airco DH.4">DH-4B</a></li> <li><a href="/wiki/Aeromarine_EO" title="Aeromarine EO">EO</a></li> <li><a href="/wiki/Curtiss_HS" title="Curtiss HS">HS</a></li> <li><a href="/wiki/Aeromarine_M-1" title="Aeromarine M-1">M-1</a></li> <li><a href="/wiki/Martin_NBS-1" title="Martin NBS-1">NBS-1</a></li> <li><a href="/wiki/Aeromarine_PG-1" title="Aeromarine PG-1">PG-1</a></li> <li><a href="/w/index.php?title=Aeromarine_WM&action=edit&redlink=1" class="new" title="Aeromarine WM (page does not exist)">WM</a></li> <li><a href="/w/index.php?title=Aeromarine_Navy_Flying_Cruiser&action=edit&redlink=1" class="new" title="Aeromarine Navy Flying Cruiser (page does not exist)">Navy Flying Cruiser</a></li> <li><a href="/w/index.php?title=Aeromarine_Messenger&action=edit&redlink=1" class="new" title="Aeromarine Messenger (page does not exist)">Messenger</a></li> <li><a href="/w/index.php?title=Aeromarine_Sea_Scout&action=edit&redlink=1" class="new" title="Aeromarine Sea Scout (page does not exist)">Sea Scout</a></li> <li><a href="/w/index.php?title=Aeromarine_Seaplane&action=edit&redlink=1" class="new" title="Aeromarine Seaplane (page does not exist)">Seaplane</a></li> <li><a href="/w/index.php?title=Aeromarine_Sportsman&action=edit&redlink=1" class="new" title="Aeromarine Sportsman (page does not exist)">Sportsman</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Aero engines</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Aeromarine_85hp&action=edit&redlink=1" class="new" title="Aeromarine 85hp (page does not exist)">85 hp</a></li> <li><a href="/w/index.php?title=Aeromarine_AR-3&action=edit&redlink=1" class="new" title="Aeromarine AR-3 (page does not exist)">AR-3</a></li> <li><a href="/w/index.php?title=Aeromarine_AR-3-40&action=edit&redlink=1" class="new" title="Aeromarine AR-3-40 (page does not exist)">AR-3-4</a></li> <li><a href="/w/index.php?title=Aeromarine_AR-5&action=edit&redlink=1" class="new" title="Aeromarine AR-5 (page does not exist)">AR-5</a></li> <li><a href="/wiki/Aeromarine_B-45" title="Aeromarine B-45">B-45</a></li> <li><a href="/wiki/Aeromarine_B-90" title="Aeromarine B-90">B-90</a></li> <li><a href="/w/index.php?title=Aeromarine_D-12&action=edit&redlink=1" class="new" title="Aeromarine D-12 (page does not exist)">D-12</a></li> <li><a href="/wiki/Aeromarine_K-6" title="Aeromarine K-6">K-6</a></li> <li><a href="/w/index.php?title=Aeromarine_L-6-D&action=edit&redlink=1" class="new" title="Aeromarine L-6-D (page does not exist)">L-6-D</a></li> <li><a href="/w/index.php?title=Aeromarine_L-6-G&action=edit&redlink=1" class="new" title="Aeromarine L-6-G (page does not exist)">L-6-G</a></li> <li><a href="/w/index.php?title=Aeromarine_L-8&action=edit&redlink=1" class="new" title="Aeromarine L-8 (page does not exist)">L8</a></li> <li><a href="/w/index.php?title=Aeromarine_RAD&action=edit&redlink=1" class="new" title="Aeromarine RAD (page does not exist)">RAD</a></li> <li><a href="/w/index.php?title=Aeromarine_T-6&action=edit&redlink=1" class="new" title="Aeromarine T-6 (page does not exist)">T-6</a></li> <li><a href="/w/index.php?title=Aeromarine_U-6&action=edit&redlink=1" class="new" title="Aeromarine U-6 (page does not exist)">U-6</a></li> <li><a href="/w/index.php?title=Aeromarine_U-8D&action=edit&redlink=1" class="new" title="Aeromarine U-8D (page does not exist)">U8D</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" 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=Aeromarine_BM-1&oldid=1149760467">https://en.wikipedia.org/w/index.php?title=Aeromarine_BM-1&oldid=1149760467</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 href="/wiki/Category:Single-engined_tractor_aircraft" title="Category:Single-engined tractor aircraft">Single-engined tractor aircraft</a></li><li><a href="/wiki/Category:Biplanes" title="Category:Biplanes">Biplanes</a></li><li><a href="/wiki/Category:Aeromarine_aircraft" title="Category:Aeromarine 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