{"product_id":"enya-46-4c-7-5cc-four-stroke-glow-r-c-aircraft-engine-japan-second-hand-good-condition","title":"Enya 46-4C 7.5cc Four-Stroke Glow R\/C Aircraft Engine – Japan SECOND HAND - manifold welded to cylinder head valves stuck (Box 161)","description":"\u003cp dir=\"auto\" data-start=\"240\" data-end=\"639\" class=\"PDq2pG_selectionAnchorContainer\"\u003eVintage \u003cstrong data-start=\"248\" data-end=\"262\"\u003eEnya 46-4C\u003c\/strong\u003e four-stroke glow engine, manufactured in Japan by Enya Metal Products Co. Ltd. This is the classic single-cylinder 7.5cc (.46 cu in) pushrod-operated OHV four-stroke, introduced in \u003cstrong data-start=\"444\" data-end=\"452\"\u003e1984\u003c\/strong\u003e and tested in Model Aircraft News in November of that year. It was regarded as a particularly high-performance four-stroke for its size at the time. \u003cspan class=\"contents\" data-content-reference-start=\"602\" data-content-reference-end=\"634\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"641\" data-end=\"978\"\u003eThe engine uses a \u003cstrong data-start=\"659\" data-end=\"797\"\u003esingle cylinder, pushrod-operated overhead-valve layout, twin camshafts supported in bronze bearings and a two-ball-bearing crankshaft\u003c\/strong\u003e. Displacement is \u003cstrong data-start=\"815\" data-end=\"841\"\u003e7.499cc (0.4576 cu in)\u003c\/strong\u003e, with a \u003cstrong data-start=\"850\" data-end=\"883\"\u003e22.3mm bore and 19.2mm stroke\u003c\/strong\u003e and a measured compression ratio of approximately 7.8:1. \u003cspan class=\"contents\" data-content-reference-start=\"936\" data-content-reference-end=\"955\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"980\" data-end=\"1317\"\u003ePeriod testing recorded a net output of approximately \u003cstrong data-start=\"1034\" data-end=\"1060\"\u003e0.72 bhp at 13,200 rpm\u003c\/strong\u003e, with 65 oz-in of net torque at 9,000 rpm. With the standard muffler, documented propeller combinations included \u003cstrong data-start=\"1174\" data-end=\"1209\"\u003e12×6, 12×5, 11×6, 10×7 and 10×6\u003c\/strong\u003e, with the smaller propellers allowing the engine to reach higher rpm. \u003cspan class=\"contents\" data-content-reference-start=\"1257\" data-content-reference-end=\"1276\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"1319\" data-end=\"1702\"\u003eThe 46-4C was an important Enya design of the mid-1980s, featuring enclosed valve gear, a more sophisticated carburettor incorporating a choke control and its own muffler. A later Mk.II version was subsequently produced with a strengthened front end; this example is being identified as the original \u003cstrong data-start=\"1619\" data-end=\"1628\"\u003e46-4C\u003c\/strong\u003e rather than assuming it is a Mk.II. \u003cspan class=\"contents\" data-content-reference-start=\"1624\" data-content-reference-end=\"1643\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"1704\" data-end=\"1723\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1723\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1724\" data-end=\"2248\"\u003e\n\u003cli data-section-id=\"12w3xmf\" data-start=\"1724\" data-end=\"1775\"\u003eManufacturer: Enya Metal Products Co. Ltd., Japan\u003c\/li\u003e\n\u003cli data-section-id=\"1557l4m\" data-start=\"1776\" data-end=\"1795\"\u003eModel: Enya 46-4C\u003c\/li\u003e\n\u003cli data-section-id=\"qil0sb\" data-start=\"1796\" data-end=\"1836\"\u003eType: Single-cylinder four-stroke glow\u003c\/li\u003e\n\u003cli data-section-id=\"k2gf14\" data-start=\"1837\" data-end=\"1874\"\u003eDisplacement: 7.499cc \/ .4576 cu in\u003c\/li\u003e\n\u003cli data-section-id=\"1qcxbzp\" data-start=\"1875\" data-end=\"1889\"\u003eBore: 22.3mm\u003c\/li\u003e\n\u003cli data-section-id=\"ko05u\" data-start=\"1890\" data-end=\"1906\"\u003eStroke: 19.2mm\u003c\/li\u003e\n\u003cli data-section-id=\"fhnxdg\" data-start=\"1907\" data-end=\"1935\"\u003eConfiguration: Pushrod OHV\u003c\/li\u003e\n\u003cli data-section-id=\"1mcpftk\" data-start=\"1936\" data-end=\"1952\"\u003eTwin camshafts\u003c\/li\u003e\n\u003cli data-section-id=\"1qzkdf\" data-start=\"1953\" data-end=\"1982\"\u003eTwo ball-bearing crankshaft\u003c\/li\u003e\n\u003cli data-section-id=\"lhuo2a\" data-start=\"1983\" data-end=\"2023\"\u003eCompression ratio: approximately 7.8:1\u003c\/li\u003e\n\u003cli data-section-id=\"1ecl419\" data-start=\"2024\" data-end=\"2068\"\u003ePeriod tested power: 0.72 bhp @ 13,200 rpm\u003c\/li\u003e\n\u003cli data-section-id=\"x96l2s\" data-start=\"2069\" data-end=\"2115\"\u003eApproximate period weight: 410g with muffler\u003c\/li\u003e\n\u003cli data-section-id=\"ulgbwo\" data-start=\"2116\" data-end=\"2164\"\u003eTypical propellers: approximately 10×6 to 12×6\u003c\/li\u003e\n\u003cli data-section-id=\"1620v2d\" data-start=\"2165\" data-end=\"2197\"\u003eFuel: Methanol-based glow fuel\u003c\/li\u003e\n\u003cli data-section-id=\"1328k2q\" data-start=\"2198\" data-end=\"2229\"\u003eCountry of manufacture: Japan\u003c\/li\u003e\n\u003cli data-section-id=\"frdqln\" data-start=\"2230\" data-end=\"2248\"\u003eIntroduced: 1984\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" data-start=\"2250\" data-end=\"2672\"\u003eThis is a \u003cstrong data-start=\"2260\" data-end=\"2283\"\u003eused vintage engine\u003c\/strong\u003e showing age-related cosmetic wear, manifold welded to cylinder head, valves are stuck staining and surface oxidation consistent with its age. The engine \u003cstrong data-start=\"2386\" data-end=\"2407\"\u003eturns over freely\u003c\/strong\u003e. It has \u003cstrong data-start=\"2416\" data-end=\"2443\"\u003enot been tested running\u003c\/strong\u003e, so the condition of the compression, bearings, carburettor and valve train under operating conditions cannot be guaranteed. The fuel system, glow plug and general mechanical condition should be checked before attempting to run.\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"2674\" data-end=\"2818\"\u003eA desirable vintage Enya four-stroke suitable for a period R\/C aircraft, restoration project, engine collection or vintage model-engine display.\u003c\/p\u003e","brand":"Enya","offers":[{"title":"Default Title","offer_id":57605382996348,"sku":"SMC-E-ENYA-46-4C-Manifold-Welded","price":84.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0432\/8584\/0033\/files\/IMG_5796-2.jpg?v=1791394223","url":"https:\/\/sussex-model-centre.co.uk\/products\/enya-46-4c-7-5cc-four-stroke-glow-r-c-aircraft-engine-japan-second-hand-good-condition","provider":"Sussex Model Centre","version":"1.0","type":"link"}