{"product_id":"five-cylinder-radial-engine","title":"Five-Cylinder Radial Engine","description":"\u003cp\u003eA 1\/6 scale radial aircraft engine, built by you. More than 250 aluminum alloy and stainless steel parts come together around an electric motor, so the five cylinders actually turn.\u003c\/p\u003e\u003ch3\u003eAbout this kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e250+ aluminum alloy and stainless steel parts, anodized finish\u003c\/li\u003e\n\u003cli\u003eElectric motor turns the five cylinders\u003c\/li\u003e\n\u003cli\u003eFinished size 7.8 x 7.8 x 4.5 in (about 19.8 x 19.8 x 11.4 cm), about 4.2 lb (1.9 kg)\u003c\/li\u003e\n\u003cli\u003e3.7V 450mAh battery, 30+ minutes per charge, auto shut-off\u003c\/li\u003e\n\u003cli\u003eMetal gift box, tools and English manual included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe real thing\u003c\/h3\u003e\u003cp\u003eIn a radial engine the cylinders radiate outward from a central crankcase like the spokes of a wheel. Four-stroke radials use an odd number of cylinders per row so the firing order stays even; a five-cylinder engine fires 1, 3, 5, 2, 4. Radials powered aircraft from the Spirit of St. Louis (Wright Whirlwind) to the Corsair, Hellcat and Thunderbolt (Pratt \u0026amp; Whitney Double Wasp).\u003c\/p\u003e\u003ch3\u003eWhat to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAbout 4 hours to assemble; ages 12+\u003c\/li\u003e\n\u003cli\u003eTools are included\u003c\/li\u003e\n\u003cli\u003eMade to order: ships from our specialty supplier in about 2-3 weeks. US shipping.\u003c\/li\u003e\n\u003cli\u003eContains a rechargeable battery: charge as directed and supervise younger builders\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Metal Time Workshop","offers":[{"title":"Default Title","offer_id":50549519745186,"sku":"DM116","price":412.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/1875\/4210\/files\/7-2026-03-03T141614.418_ac204dda-898e-4f36-93c4-3d2364fb001a.jpg?v=1790731421","url":"https:\/\/shoptinkertown.com\/products\/five-cylinder-radial-engine","provider":"TinkerTown","version":"1.0","type":"link"}