{"product_id":"webra-61-r-c-blackhead-10cc-vintage-model-aircraft-engine-second-hand-dameaged-timing-belt","title":"Webra T4-60 10cc Four-Stroke Glow R\/C Aircraft Engine – Vintage German – T4 Second Hand dameaged timing belt (Box 161)","description":"\u003cp dir=\"auto\" data-start=\"612\" data-end=\"699\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"612\" data-end=\"699\"\u003eVintage Webra T4-60 10cc four-stroke glow engine, manufactured in Germany by Webra.\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"701\" data-end=\"1069\"\u003eA particularly interesting and unusual vintage model aircraft engine from Webra's innovative T4 range. The T4 series was notable for its unconventional rotary-valve four-stroke design rather than using conventional overhead poppet valves. The T4-60 is the approximately 10cc version of the later T4 range and is identified by the \u003cstrong data-start=\"1031\" data-end=\"1043\"\u003eWEBRA-T4\u003c\/strong\u003e marking on the crankcase.\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"1071\" data-end=\"1457\"\u003eThe engine has a \u003cstrong data-start=\"1088\" data-end=\"1111\"\u003e9.95cc displacement\u003c\/strong\u003e, with a \u003cstrong data-start=\"1120\" data-end=\"1149\"\u003e24mm bore and 22mm stroke\u003c\/strong\u003e. Period Webra specifications give approximately \u003cstrong data-start=\"1198\" data-end=\"1209\"\u003e0.95 hp\u003c\/strong\u003e, with an operating range of approximately 2,000–11,000 rpm. The engine uses a cylindrical rotary valve driven mechanically by a \u003cstrong data-start=\"1338\" data-end=\"1354\"\u003etoothed belt\u003c\/strong\u003e, which is one of the most distinctive features of the T4 design. \u003cspan class=\"contents\" data-content-reference-start=\"1415\" data-content-reference-end=\"1447\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"1459\" data-end=\"1907\"\u003eThe toothed belt drive is visible on this particular engine because the \u003cstrong data-start=\"1531\" data-end=\"1581\"\u003eprotective belt cover has been damaged\/missing\u003c\/strong\u003e. This should be noted by any prospective buyer, as the exposed belt and valve-drive mechanism will require inspection before the engine is operated. Webra's original instructions specifically describe the toothed-belt drive and provide procedures for belt replacement and correct timing. \u003cspan class=\"contents\" data-content-reference-start=\"1860\" data-content-reference-end=\"1879\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"1909\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1928\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1930\" data-end=\"2429\"\u003e\n\u003cli data-section-id=\"1ygutza\" data-start=\"1930\" data-end=\"1951\"\u003eManufacturer: Webra\u003c\/li\u003e\n\u003cli data-section-id=\"2tjzp9\" data-start=\"1952\" data-end=\"1985\"\u003eCountry of manufacture: Germany\u003c\/li\u003e\n\u003cli data-section-id=\"1gl09li\" data-start=\"1986\" data-end=\"2000\"\u003eModel: T4-60\u003c\/li\u003e\n\u003cli data-section-id=\"1wwd3s9\" data-start=\"2001\" data-end=\"2020\"\u003eMarking: WEBRA-T4\u003c\/li\u003e\n\u003cli data-section-id=\"6fn000\" data-start=\"2021\" data-end=\"2052\"\u003eType: Four-stroke glow engine\u003c\/li\u003e\n\u003cli data-section-id=\"kqd830\" data-start=\"2053\" data-end=\"2101\"\u003eDisplacement: 9.95cc \/ approximately .61 cu in\u003c\/li\u003e\n\u003cli data-section-id=\"196ywa6\" data-start=\"2102\" data-end=\"2114\"\u003eBore: 24mm\u003c\/li\u003e\n\u003cli data-section-id=\"1fx0rja\" data-start=\"2115\" data-end=\"2129\"\u003eStroke: 22mm\u003c\/li\u003e\n\u003cli data-section-id=\"zrl21u\" data-start=\"2130\" data-end=\"2161\"\u003eRotary-valve induction system\u003c\/li\u003e\n\u003cli data-section-id=\"hdqsbb\" data-start=\"2162\" data-end=\"2188\"\u003eToothed-belt valve drive\u003c\/li\u003e\n\u003cli data-section-id=\"1grkuev\" data-start=\"2189\" data-end=\"2217\"\u003eApproximate power: 0.95 hp\u003c\/li\u003e\n\u003cli data-section-id=\"1adgvrc\" data-start=\"2218\" data-end=\"2277\"\u003ePractical operating range: approximately 2,000–11,000 rpm\u003c\/li\u003e\n\u003cli data-section-id=\"1yfm7qr\" data-start=\"2278\" data-end=\"2304\"\u003eApproximate weight: 600g\u003c\/li\u003e\n\u003cli data-section-id=\"1620v2d\" data-start=\"2305\" data-end=\"2337\"\u003eFuel: Methanol-based glow fuel\u003c\/li\u003e\n\u003cli data-section-id=\"1td1eqe\" data-start=\"2338\" data-end=\"2400\"\u003eTypical period propellers: approximately 14×6, 15×6 and 16×4\u003c\/li\u003e\n\u003cli data-section-id=\"plvdy1\" data-start=\"2401\" data-end=\"2429\"\u003eVintage German manufacture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" data-start=\"2431\" data-end=\"2604\"\u003eThe original Webra operating instructions specify propellers including \u003cstrong data-start=\"2502\" data-end=\"2525\"\u003e14×6, 15×6 and 16×4\u003c\/strong\u003e, and recommend methanol-based glow fuel. \u003cspan class=\"contents\" data-content-reference-start=\"2539\" data-content-reference-end=\"2558\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"2606\" data-end=\"3048\"\u003eThis is a \u003cstrong data-start=\"2616\" data-end=\"2639\"\u003eused vintage engine\u003c\/strong\u003e with visible age-related cosmetic wear and deterioration. The \u003cstrong data-start=\"2702\" data-end=\"2774\"\u003eprotective cover for the toothed valve-drive belt is damaged\/missing\u003c\/strong\u003e, leaving the belt mechanism exposed. The engine \u003cstrong data-start=\"2823\" data-end=\"2844\"\u003eturns over freely\u003c\/strong\u003e, but it has \u003cstrong data-start=\"2857\" data-end=\"2884\"\u003enot been tested running\u003c\/strong\u003e. The condition of the belt, rotary valve timing, bearings, carburettor and internal components should therefore be checked before attempting to operate the engine.\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"3050\" data-end=\"3373\"\u003eA particularly collectible and technically interesting Webra engine, suitable for a \u003cstrong data-start=\"3134\" data-end=\"3227\"\u003evintage R\/C aircraft project, restoration, engineering\/model-engine collection or display\u003c\/strong\u003e. The unusual rotary-valve and toothed-belt arrangement makes the T4-60 considerably more distinctive than a conventional four-stroke glow engine.\u003c\/p\u003e","brand":"webra","offers":[{"title":"Default Title","offer_id":57601993834876,"sku":"SMC-SH-WEBRA60","price":94.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0432\/8584\/0033\/files\/IMG_5704-3.jpg?v=1791381885","url":"https:\/\/sussex-model-centre.co.uk\/products\/webra-61-r-c-blackhead-10cc-vintage-model-aircraft-engine-second-hand-dameaged-timing-belt","provider":"Sussex Model Centre","version":"1.0","type":"link"}