{"product_id":"retrol-okmo-n01-1-5-scale-hit-and-miss-four-stroke-stationary-cement-mixer-gasoline-engine-model","title":"RETROL \u0026 OKMO N01 1\/5 Scale Hit and Miss  Four-Stroke Stationary Cement Mixer Gasoline Engine  Model RTR Version","description":"\u003cp\u003e\u003cstrong\u003eProduct Information:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal + Wood\u003cbr\u003e\u003cstrong\u003eColor: \u003c\/strong\u003eRed\/Green\/Blue\u003cbr\u003e\u003cstrong\u003eModel No.\u003c\/strong\u003e: N01\u003cbr\u003e\u003cstrong\u003eProduct Name: \u003c\/strong\u003eStationary Mixer Engine Model\u003cbr\u003e\u003cstrong\u003eDimensions: \u003c\/strong\u003e12 x 11.5 x 17 cm (engine) \/ 13.5 x 11.5 x 19.5 cm (including base)\u003cbr\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003eApprox. 1.5 kg\u003cbr\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e RTR (Ready-to-Run)\u003cbr\u003e\u003cstrong\u003eEngine Type: \u003c\/strong\u003eHit-and-Miss Gasoline Internal Combustion Engine\u003cbr\u003e\u003cstrong\u003eCylinder: \u003c\/strong\u003eVertical Single-Cylinder\u003cbr\u003e\u003cstrong\u003eStroke: \u003c\/strong\u003e4-Stroke\u003cbr\u003e\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 3.6cc\u003cbr\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e 16.0 mm\u003cbr\u003e\u003cstrong\u003eStroke Length: \u003c\/strong\u003e19.0 mm\u003cbr\u003e\u003cstrong\u003eStarting Method: \u003c\/strong\u003eManual \/ Electric Drill Start\u003cbr\u003e\u003cstrong\u003eCooling System:\u003c\/strong\u003e Evaporative Water Cooling\u003cbr\u003e\u003cstrong\u003eIgnition System:\u003c\/strong\u003e Mechanical Trigger-Controlled Igniter (Included)\u003cbr\u003e\u003cstrong\u003eStarting Power:\u003c\/strong\u003e 1.5V Battery (Not included; AA battery recommended)\u003cbr\u003e\u003cstrong\u003eSpark Plug:\u003c\/strong\u003e Imperial Thread 3\/16-40 (Included)\u003cbr\u003e\u003cstrong\u003eLubrication:\u003c\/strong\u003e Splash Lubrication (Oil-Fuel Mix)\u003cbr\u003e\u003cstrong\u003eLubrication Ratio:\u003c\/strong\u003e Gasoline\/Oil Ratio 25:1 to 30:1\u003cbr\u003e\u003cstrong\u003eFuel:\u003c\/strong\u003e Gasoline (Not included; 92# or higher recommended)\u003cbr\u003e\u003cstrong\u003eOil:\u003c\/strong\u003e Engine Oil (Not included; 2T\/4T 10W50 recommended)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Introduction:\u003c\/strong\u003e\u003cbr\u003eDating back to the 1920s—an industrial era devoid of electronic chips or plastic components—the US-manufactured \"Hit-and-Miss\" internal combustion engine served as the core power source for cement mixers at major construction sites. With its rugged, pure steel-and-brass construction and stable, reliable performance, it became an industrial icon that defined the era, embodying the unique, raw romance and rhythmic mechanical pulse of vintage machinery. The RETROL \u0026amp; OKMO team has collaborated to meticulously recreate this classic, crafting a 3.6cc vertical 4-stroke desktop miniature engine at an approximate 1:5 scale. The unit is crafted from cast brass with precision CNC machining. Its all-metal body faithfully reproduces four authentic systems: evaporative water cooling, mechanical fuel delivery, visible drip-feed lubrication, and mechanical contact-point ignition. Featuring exposed piston-connecting rod assemblies and visible oil circuit structures, it authentically replicates the signature \"Hit \u0026amp; Miss\" intermittent firing rhythm and rich mechanical sound. Supplied as a Ready-to-Run (RTR) model on a solid wood base, it is available in three classic colors—Industrial Red, Farm Machinery Green, and Navy Blue. Combining collectible, educational, and aesthetic value, it encapsulates the spirit of century-old American industrial power—the \"soul of the mortar mixer\"—within a compact desktop footprint.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003cbr\u003e1. Classic Tribute \u0026amp; Replica: Modeled after early 20th-century American \"Hit \u0026amp; Miss\" engines, this unit features a 3.6cc vertical four-stroke configuration. It faithfully recreates the appearance and operation of vintage power machinery, authentically capturing the iconic intermittent firing rhythm and mechanical charm.\u003cbr\u003e2. All-Metal Mechanical Structure: The body is constructed from cast brass with precision CNC finishing. It is equipped with a full suite of functional components, including mechanical fuel delivery, visible drip-feed lubrication, evaporative water cooling, and mechanical contact-point ignition. Exposed piston and connecting rod assemblies provide a clear view of the internal combustion engine's complete operating logic.\u003cbr\u003e3. RTR Collector-Grade Model: More than just a model that runs like a full-sized engine, this is a collectible piece that embodies American industrial civilization and the history of mechanical evolution, allowing enthusiasts to experience the allure of century-old industrial power equipment up close.\u003cbr\u003e4. Solid Wood Base \u0026amp; Three Color Options: Comes with a vintage-style solid wood base and is available in three classic retro colors—Industrial Red, Farm Machinery Green, and Navy Blue—to suit various collection themes and decor styles. Its compact, robust design creates a strong industrial atmosphere when displayed on a desktop.\u003cbr\u003e5. Ideal for Desktop Display \u0026amp; Gifting: Combining mechanical art, industrial history, and engineering culture, this model is perfect for engine collections, desk displays, STEAM demonstrations, and gifts for mechanical enthusiasts—a classic masterpiece that industrial model collectors won't want to miss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 16+\u003cbr\u003e\u003cstrong\u003ePackaging: \u003c\/strong\u003eColor Box\u003cbr\u003e\u003cstrong\u003ePackage Contents: \u003c\/strong\u003e\u003cbr\u003eEngine x1\u003cbr\u003eDrill Start Rod x1\u003cbr\u003ePull-Cord Starter x1\u003cbr\u003eInstruction Manual x1\u003c\/p\u003e","brand":"enginediyshop","offers":[{"title":"Red","offer_id":50804300447884,"sku":"3726541","price":560.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":50804300480652,"sku":"3726542","price":560.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":50804300513420,"sku":"3726543","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0548\/8377\/8700\/files\/7919c642-94e3-4e8c-8634-0105a82d93dc.jpg?v=1781765490","url":"https:\/\/www.enginediyshop.com\/products\/retrol-okmo-n01-1-5-scale-hit-and-miss-four-stroke-stationary-cement-mixer-gasoline-engine-model","provider":"enginediyshop","version":"1.0","type":"link"}