{"product_id":"dle-40-twin-40cc-petrol-engine","title":"DLE 40 Twin Gas Engine – Smooth, Powerful 40cc Opposed Twin","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe \u003cb\u003eDLE 40 Twin\u003c\/b\u003e is a smooth-running, high-performance \u003cb\u003e40cc opposed-twin petrol engine\u003c\/b\u003e engineered for pilots who want exceptional reliability, low vibration and outstanding value. Delivering \u003cb\u003e4.8 horsepower\u003c\/b\u003e with a compact, lightweight twin-cylinder layout, the DLE 40 Twin offers silky-smooth operation that protects both the airframe and electronics while still providing serious power for aerobatic, scale and sport aircraft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eDLE has equipped this engine with a wide range of premium features as standard, including \u003cb\u003eelectronic ignition\u003c\/b\u003e, \u003cb\u003etwo mufflers\u003c\/b\u003e, \u003cb\u003epaired spark plugs\u003c\/b\u003e, \u003cb\u003ecomposite backplate mount\u003c\/b\u003e, \u003cb\u003epumper carburettor\u003c\/b\u003e, and \u003cb\u003eCNC-machined components\u003c\/b\u003e for maximum durability and precision. The engine benefits from \u003cb\u003esealed crankshaft bearings\u003c\/b\u003e, an \u003cb\u003eoptimised carburettor\u003c\/b\u003e, and a \u003cb\u003ephenolic heat-insulated intake\u003c\/b\u003e to ensure consistent performance in all conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIf you're looking for a compact opposed-twin that delivers premium performance without the premium price tag, the \u003cb\u003eDLE 40 Twin\u003c\/b\u003e is one of the best engines in its class.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003ePowerful and smooth \u003cb\u003e40cc opposed-twin\u003c\/b\u003e petrol engine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eLightweight piston design for fast throttle response \u0026amp; low vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCNC-machined parts\u003c\/b\u003e for strength and long service life\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eElectronic ignition\u003c\/b\u003e included as standard\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eUpdated twin mufflers\u003c\/b\u003e for reduced noise and improved performance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eOptimised pumper carburettor\u003c\/b\u003e for consistent fuel delivery\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSealed crankshaft bearings\u003c\/b\u003e for enhanced durability\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePhenolic carb isolator\u003c\/b\u003e reduces heat transfer for stable tuning\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eComposite backplate mount for strength and reduced weight\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eOpposed cylinder layout dramatically reduces airframe vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePerfect For\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e30–50cc scale aircraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eTwin-engine effect without twin-engine complexity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eHigh-detail warbirds, Cubs, biplanes \u0026amp; golden-age models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e3D\/sport aircraft requiring smooth, consistent torque\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003ePilots seeking lower vibration than single-cylinder engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eProduct Summary\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eA smooth, efficient and powerful \u003cb\u003e40cc opposed-twin\u003c\/b\u003e petrol engine offering exceptional value and reduced vibration. Includes electronic ignition, twin mufflers and installation hardware, making it a complete and ready-to-fit solution for 30–50cc class aircraft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eEngine Specs\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDisplacement:\u003c\/b\u003e 40.0 cc (2.45 cu in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBore (x2):\u003c\/b\u003e 32 mm (1.26 in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eStroke (x2):\u003c\/b\u003e 25 mm (0.98 in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRPM Range:\u003c\/b\u003e 1500–8500\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eOutput:\u003c\/b\u003e 4.8 hp @ 8500 rpm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTotal Weight:\u003c\/b\u003e 1.5 kg (3.3 lb)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTechnical Data\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eIgnition Battery:\u003c\/b\u003e 4.8–8.4 V NiCd\/NiMH, 6.6 V LiFe, or 2S LiPo\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eGas\/Oil Mix:\u003c\/b\u003e 30:1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eReplacement Spark Plug:\u003c\/b\u003e DLEG4026\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eStatic Thrust:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cul class=\"ul2\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e20.9 lb (9.5 kg) @ 328 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e18.7 lb (8.5 kg) @ 1,800 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWeight Breakdown\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eEngine: 1170 g (2.58 lb)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eMufflers (x2): 102 g (3.6 oz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eIgnition Module: 149 g (5.3 oz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eStandoffs: 19 g (0.7 oz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eMisc Hardware: 56 g (2 oz)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSuggested Propellers\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e19 × 8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e19 × 10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e20 × 8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e20 × 10\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eIncluded\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eElectronic ignition module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e2 × mufflers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e2 × spark plugs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eStandoffs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eSpiral wire wrap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eConnector safety clips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eInstruction manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRequires\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eIgnition battery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003eSuitable propeller\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eWhy Buy From ProBuild Aircraft Ltd\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e✅ \u003cb\u003eOfficial UK DLE Stockist – 100% Genuine Engines\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e✅ \u003cb\u003eTrusted by Top International RC Pilots Worldwide\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e✅ \u003cb\u003eFast UK Shipping \u0026amp; Secure, Protective Packaging\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e✅ \u003cb\u003eExpert Petrol Engine Support \u0026amp; Setup Advice\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s1\"\u003e✅ \u003cb\u003eTrusted by Pilots Since 1993\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DLE Engines","offers":[{"title":"Default Title","offer_id":55850820600194,"sku":"DLE40T","price":475.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/dle-40-WEB-2025.jpg?v=1760993083","url":"https:\/\/www.probuild-uk.co.uk\/products\/dle-40-twin-40cc-petrol-engine","provider":"Probuild Aircraft Ltd","version":"1.0","type":"link"}