{"product_id":"1950s-space-age-83-experimental-2-bladed-polished-helicopter-rotor-airplane-propeller","title":"1950's Space Age 83\" Experimental 2-Bladed Polished Helicopter Rotor Airplane Propeller","description":"\u003ch1\u003e1950's Space Age 83\" Experimental 2-Bladed Polished Helicopter Rotor Airplane Propeller\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  This extraordinary polished aluminum propeller is a true one-of-a-kind aviation artifact, originally acquired from the New England Air Museum in its unrestored condition. Believed to have been developed by one of the golden era's premier aerospace innovators - Pratt \u0026amp; Whitney, Sikorsky, Raytheon, or Kaman - this piece carries an authenticated experimental designation stamped directly into its brass hub: \"EXP USE ONLY.\" Dating to the 1940s-1950s Space Age, it represents a rare window into the experimental aviation programs that defined a generation of aerospace engineering.\n\u003c\/p\u003e\n\u003cp\u003e\n  After careful disassembly, cleaning, and hand-sanding, the propeller has been brought to a stunning high-mirror aluminum finish, crowned with a custom dome spinner cap for an unmistakably futuristic silhouette. Whether mounted in a loft, executive office, hangar, or aviation collection, this piece commands attention as both a museum-quality historical relic and a breathtaking work of industrial art.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthenticated Experimental Status:\u003c\/strong\u003e Hub bears the stamped marking \"EXP USE ONLY\" on the brass section, confirming its experimental aerospace origins.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew England Air Museum Provenance:\u003c\/strong\u003e Originally acquired directly from the New England Air Museum, sourced from donations by top aerospace firms including Pratt \u0026amp; Whitney, Sikorsky, Raytheon, and Kaman.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Mirror Aluminum Finish:\u003c\/strong\u003e Completely disassembled, cleaned, sanded, and polished to a brilliant mirror-like reflective finish - a full professional transformation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Dome Spinner Cap:\u003c\/strong\u003e A purpose-built dome spinner cap was added to complete the sleek, space-age aesthetic and enhance the futuristic profile.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e83\" Overall Length:\u003c\/strong\u003e An imposing display piece spanning 83 inches tip to tip, with 41-inch blades measuring 5.5 inches at their widest point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVintage FAFNIR Bearings:\u003c\/strong\u003e Era confirmed by original internal FAFNIR Company bearings and hand-stamped identification numbers, placing manufacture in the 1940s-1950s.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnique Hub \u0026amp; Blade Stampings:\u003c\/strong\u003e Multiple original stampings include A70708MP, B12, SK14446, SER# 8, MP70736, AF35704, and AF35728 - each a direct link to its experimental aerospace history.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall Mount Ready:\u003c\/strong\u003e Designed for wall mounting via the hub using a standard lag bolt - no special hardware required beyond basic installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-Aluminum Construction:\u003c\/strong\u003e Lightweight for its size at 38 lbs, with blades secured to the hub via set screws for a clean, stable display.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e38 lb Weight \/ 10.5\" Depth:\u003c\/strong\u003e Hub base to spinner top measures 10.5 inches, giving the piece impressive dimensional presence on any wall.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e83\" 2-Bladed Polished Experimental Helicopter Rotor \/ Airplane Propeller (hub and blades)\u003c\/li\u003e\n  \u003cli\u003eCustom dome spinner cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Display stand is NOT included.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  There are very few artifacts that bridge the worlds of aerospace history and contemporary art the way this propeller does. Its documented experimental origins, New England Air Museum provenance, and hand-stamped markings make it verifiably authentic - not a reproduction, not a decorative replica, but a genuine piece of mid-century aerospace engineering. The mirror-polished finish elevates it from relic to showpiece, catching light from across a room and drawing every eye to it instantly.\n\u003c\/p\u003e\n\u003cp\u003e\n  Collectors, aviation enthusiasts, architects, and design professionals will all find something compelling here - a conversation piece that carries real history. It's equally at home in an aviation museum, a high-end loft, a corporate lobby, or a dedicated collector's gallery. Pieces like this rarely surface on the open market, and with its one-of-a-kind experimental designation, this propeller represents an irreplaceable chapter in American aerospace innovation.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n\u003cth\u003eEra\u003c\/th\u003e\n\u003ctd\u003eCirca 1940s-1950s\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAll-aluminum construction, fully polished\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e83 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBlade Length\u003c\/th\u003e\n\u003ctd\u003e41 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBlade Width (widest)\u003c\/th\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDepth (hub base to spinner top)\u003c\/th\u003e\n\u003ctd\u003e10.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e38 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eHigh-mirror polished aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBlade Count\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eHub Material\u003c\/th\u003e\n\u003ctd\u003eAluminum with brass-stamped markings\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eWall mount via hub with lag bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBlade Retention\u003c\/th\u003e\n\u003ctd\u003eSet screws\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eInternal Components\u003c\/th\u003e\n\u003ctd\u003eRemoved (hub and blades only)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eProvenance\u003c\/th\u003e\n\u003ctd\u003eNew England Air Museum\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAssembly Required\u003c\/th\u003e\n\u003ctd\u003eNo - ships ready to mount\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eStand Included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is this propeller mounted on the wall?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe propeller is designed to mount directly to a wall via the hub using a standard lag bolt. It's important to mount into a wall stud or use appropriate heavy-duty anchors, as the piece weighs 38 lbs and spans 83 inches. We recommend consulting a professional installer if you're unsure about your wall's load capacity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs a display stand available or included?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eA display stand is NOT included with this propeller. The piece is specifically designed for wall mounting via its hub. If you require a freestanding display solution, you would need to source or commission a custom stand separately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow will this item be shipped?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eDue to its size (83 inches long, 38 lbs) and significant value, this propeller will require freight shipping on a pallet to ensure it arrives safely. Please contact us before ordering to confirm shipping logistics and rates to your location, as oversized freight items require special handling arrangements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an original piece or a reproduction?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThis is a 100% original, authentic experimental aerospace propeller - not a reproduction or decorative replica. Its experimental status is confirmed by stamped hub markings (\"EXP USE ONLY\"), vintage FAFNIR Company bearings, and its documented provenance from the New England Air Museum. The finish has been professionally restored, but the core piece - hub and blades - is entirely original.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich aerospace company made this propeller?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe exact manufacturer has not been definitively identified, but based on its provenance from the New England Air Museum - which regularly receives donations from Pratt \u0026amp; Whitney, Sikorsky, Raytheon, and Kaman - it is believed to originate from one of these major aerospace firms. The stamped codes on the hub and blades (including SK14446 and others) may assist further research by aviation historians.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the propeller blades be repositioned or adjusted?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe blades slide into the hub and are secured with set screws. All original internal mechanical components have been removed, so the blades are fixed in a display configuration and are not intended to be mechanically operated or repositioned as they would have been in their original experimental application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Aviation Art | Airplane Furniture | Pilot Gifts - Plane Pieces Inc","offers":[{"title":"Default Title","offer_id":57170799526193,"sku":"sku-50445182173465","price":12000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/experimental_space_age_modern_art_polished_airplane_rotor_propeller_20.jpg?v=1793215234","url":"https:\/\/omahasportsandgames.com\/products\/1950s-space-age-83-experimental-2-bladed-polished-helicopter-rotor-airplane-propeller","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}