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Almost all parts are 3D printable with a few extra componenets needed. In total there are over 50 files in this download. \n\n- I have created an in depth 20 page instruction manual showing all the extra parts needed, labelled diagrams on assembling each part and top tips for getting it running smoothly. (Comes with the files). Some 3D printed parts will need some post processing (sanding) to remove layer lines to get parts moving smoothly.\n\n- Once purchase feel free to get in touch at any point if you encounter a problem and to share your print!\n\n***Specifications***\n\n**Engine Type**: _Inline 4, 4-Stroke Petrol_\n\n**Reccommended Material**: _PLA_\n\n**Printer Bed Size Requirements**: _Longest Component is 205mm_\n\n**Total Engine Length**: _230mm_\n\n**Total Engine Width**: _100mm_\n\n**Total Engine Height**: _140mm_\n\n**Bore Size**: _35mm_\n\n**Estimated Print time**: _100 hours_\n\n\nThe Files for the motor mounting are provided along with a diagram of how it is assembled however you will have to source your own parts from the internet as I designed it from parts around my house. 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The model is designed in actual dimensions and can be used for 3D printed in order to illustrate the catalytic converter in a car model.\nIn comparison to CG models, this part wooven feature is designed actual in 3D and is not a map so if you choose to print this, it will be same as the pictures.\nTha flange in one side is random in terms of dimensions and can be customed upon any need.\nYou can scale it and match whatever need you have. Along with the native Solidworks file, you can also find parasolid, iges and step formats as well as stl, amf and 3mf. Polygon file is also attached. Can be used for 3D printing.","imageAlt":"3D printable model Car exhaust catalytic converter","url":"https://www.cgtrader.com/3d-print-models/hobby-diy/automotive/car-exhaust-catalytic-converter-catalyst","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/brX3LPRezrxoij8yubknwTPE/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/Car%20catalyst.4199.jpg","gridUrl":"https://media.cgtrader.com/variants/brX3LPRezrxoij8yubknwTPE/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/Car%20catalyst.4199.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/hobby-diy/automotive/car-exhaust-catalytic-converter-catalyst","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":129,"name":".3mf","is_native":false},{"id":189,"name":".ply","is_native":false},{"id":72,"name":".stp","is_native":false},{"id":191,"name":".amf","is_native":false},{"id":51,"name":".stl","is_native":false},{"id":29,"name":".ige","is_native":false}],"categorySlug":"hobby-diy","subcategorySlug":"automotive","categoryTitle":"Hobby \u0026 DIY","subcategoryTitle":"Automotive \u0026 Car parts","schemaImageUrl":"https://img-new.cgtrader.com/items/3683785/bdff6a6e34/car-exhaust-catalytic-converter-catalyst-3d-model-bdff6a6e34.webp","saleOffDiscount":30,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":true}},{"id":"5071954","type":"listingItem","attributes":{"id":5071954,"title":"Vengeance Weapon Two","price":59.0,"description":"The V-2, a symbol of innovation from World War II, has always fascinated me. Building on my previous work on the V-2 rocket engine, I've now crafted the full structure, seamlessly integrating it with the last iteration of the rocket engine.\nIn my earlier post, we explored the intricacies of the V-2 turbopump's historical significance. \nThe V-2, also known as the A-4, was a groundbreaking achievement in rocket technology. Developed by Germany during WWII, it marked the world's first long-range guided ballistic missile. Its innovative features and powerful capabilities set the stage for future space exploration.\nSpecific Features and Usage:\nRange: The V-2 boasted an impressive range, capable of reaching altitudes that no other rocket of its time could achieve.\nPropulsion: Powered by a sophisticated rocket engine, the V-2 utilized a combination of liquid oxygen and alcohol for propellant.\nPayload Capacity: It could carry a payload of approximately 1,000 kilograms, making it a significant advancement in payload delivery systems.\nNow, tying it all together – the complete V-2 rocket structure! Combining historical accuracy with modern design principles, I've meticulously crafted each component. 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It is** ideal** for engine design, mechanical engineering projects, and manufacturing applications.\n\n1. Created in **SolidWorks** with **accurate** geometry and engineering precision\n2. Includes **piston, connecting rod, and bearing details** for a **complete assembly**\n3. Available in SLDPRT format (STL, IGES formats available **upon request**)\n4. Optimized for finite element analysis, prototyping, and 3D printing\n5. Compatible with various CAD software that supports **SolidWorks** file formats\n\nThis model is well-suited for automotive engineering, mechanical design studies, and educational use. 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Can be used for 3D printing.","imageAlt":"gases 3D print model Car Exhaust with Dual Mufflers","url":"https://www.cgtrader.com/3d-print-models/hobby-diy/automotive/car-exhaust-with-dual-mufflers","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/8egjnAWJryDxMb1A1FFKvEdE/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/Exhaust%20Muffler%20Tip.4307.jpg","gridUrl":"https://media.cgtrader.com/variants/8egjnAWJryDxMb1A1FFKvEdE/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/Exhaust%20Muffler%20Tip.4307.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/hobby-diy/automotive/car-exhaust-with-dual-mufflers","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":129,"name":".3mf","is_native":false},{"id":191,"name":".amf","is_native":false},{"id":189,"name":".ply","is_native":false},{"id":51,"name":".stl","is_native":false},{"id":72,"name":".stp","is_native":false},{"id":29,"name":".ige","is_native":false}],"categorySlug":"hobby-diy","subcategorySlug":"automotive","categoryTitle":"Hobby \u0026 DIY","subcategoryTitle":"Automotive \u0026 Car parts","schemaImageUrl":"https://img-new.cgtrader.com/items/3712403/969af30d2b/car-exhaust-with-dual-mufflers-3d-model-969af30d2b.webp","saleOffDiscount":30,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":true}},{"id":"871170","type":"listingItem","attributes":{"id":871170,"title":"Car or Motorcycle  Engine Cylinder Head","price":7.0,"description":"Car Engine Single Cylinder Head for 3D printing and engineering purposes\n\nCylinder head is the end cover of a cylinder in an internal combustion engine, against which the piston compresses the cylinder's contents.\n\nFiles included:\nSTL (for 3D printing)\nFBX\nSLDPRT (SolidWorks)\nPRT\nCGR","imageAlt":"3D print model Car or Motorcycle Engine Cylinder Head","url":"https://www.cgtrader.com/3d-print-models/science/engineering/car-or-motorcycle-engine-cylinder-head","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/vYsbw23WyRrGyzVVAuvxR4cc/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/car-or-motorcycle-engine-cylinder-head-3d-model-fbx-stl-sldprt-sldasm-slddrw.jpg","gridUrl":"https://media.cgtrader.com/variants/vYsbw23WyRrGyzVVAuvxR4cc/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/car-or-motorcycle-engine-cylinder-head-3d-model-fbx-stl-sldprt-sldasm-slddrw.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/science/engineering/car-or-motorcycle-engine-cylinder-head","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":51,"name":".stl","is_native":false},{"id":5,"name":".fbx","is_native":false},{"id":59,"name":".sldprt","is_native":false},{"id":null,"name":null,"is_native":false}],"categorySlug":"science","subcategorySlug":"engineering","categoryTitle":"Science","subcategoryTitle":"Engineering","schemaImageUrl":"https://img-new.cgtrader.com/items/871170/91227da1fd/car-or-motorcycle-engine-cylinder-head-3d-model-91227da1fd.webp","saleOffDiscount":50,"eligibleForSubscription":true,"subscriptionSubscribed":false,"subscriptionPotential":true}},{"id":"3725759","type":"listingItem","attributes":{"id":3725759,"title":"Rotating Single Piston Engine - see through engine      Basic","price":4.0,"description":"Rotating Single Piston see through engine (Basic)\n\ntoy thats helps to learn understand the mekanisk of a single piston engine.\n\nVIDEO HERE: https://www.youtube.com/shorts/6GQFTe-a5cU\n\nMADE WITH CLEARANCE!\n\ngreat toy or gift for fuel heads or engineering students\n\n170mm high, but feel free to scale whatever u want :)\n\ncomes in 8 differents parts to print\n\n    Block\n    Piston\n    flywheel\n    crankshaft\n    Piston cross stick\n    Piston Rod\n    Crank nut\n    Handle\n\nengine block, cylinder and cylinder head made in one peace\n\nHope u enjoy! 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Since it produces no thrust when stationary(as there is no ram air), ramjet-powered vehicles require an assisted take-off like a rocket assist to accelerate it to a speed where it begins to produce thrust. Ramjets work most efficiently at supersonic speeds around Mach 3 (2,300 mph; 3,700 km/h) and can operate up to speeds of Mach 6 (4,600 mph; 7,400 km/h).\n\nRamjets can be particularly useful in applications requiring a small and simple mechanism for high-speed use, such as missiles. The US, Canada, and UK had widespread ramjet powered missile defenses during the 1960s onward, such as the CIM-10 Bomarc and Bloodhound. At present weapon designers are investigating the use of ramjet technology in artillery shells to give added range; a 120 mm mortar shell, if assisted by a ramjet, is thought to be able to attain a range of 35 km (22 mi).[1] They have also been used successfully, though not efficiently, as tip jets on the ends of helicopter rotors.[2]\n\nRamjets differ from pulsejets, which use an intermittent combustion; ramjets employ a continuous combustion process. 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The transmission includes: friction clutch, gearbox. On the IC motor, a gear teeth are also visible on the flywheel, these are used by the starter motor to start the internal combustion motor. 2 types of clutch are visible in the model; one used in cars, the other used in motorcycles (called a “basket clutch”). The manual (or standard) gearbox works as follows: A gearbox works by connecting one of the orange gears with the output shaft (the orange gears rest on, but are not fixed on the output shaft). The orange gears are already connected to a gear fixed on the layshaft, in turn connected to the input shaft (which is connected to the engine), so the closing of the connection to the output shaft will relay the power to the wheels. The connecting is done by means of the internal cone, synchronizer sleeve, external cone \u0026 drive dogs. 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The gasification system creates wood gas from wood chips, tree branches or logs and uses this gas to run an internal combustion engine on. The system was inspired on the Planet Mechanics system designed by Strawbridge/Stansfield. It was improved to a large extent though, by replacing the original radiator for cooling with 2 oil tanks circulating the heated/cooled down oil. An Alpha-type stirling motor is added to also immediatelly generate electricity; making it a hybrid system, immediatelly improving efficiency by 40% (making it 70% efficient; IC-engine is 30% efficient). The cold pistons of the stirling motor are cooled by circulating water. The electricity generated can be returned to the net (via net metering). Further improvements are:\r\n\u003c/p\u003e\u003cp\u003e* a better sealing by using a hermetically sealable hatch\u003cbr\u003e* a better wood (and charcoal) stirring; this is accomplished by 2 whisks for stirring the wood, and a rotatable grate movable by metal wires, pulled on by a seperate electric motor (so that both stirrers do not need to be used at the same time). The top grate can be taken off from the lower grate, so as to allow easy cleaning.\u003c/p\u003e\u003cp\u003eSee the 'Purchasing_the_models' link at appropedia's AT_CAD_Team for additional information on the model\u003c/p\u003e","imageAlt":"Wood gas fed AT IC motor 3D print model","url":"https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/wood-gas-fed-at-ic-motor","isCLDApplicable":false,"isSaleOffApplicable":true,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/sMcnKqqeDYG4mV7Z4zLXFRvD/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/wood-gas-fed-at-ic-motor-3d-model-skp.jpg","gridUrl":"https://media.cgtrader.com/variants/sMcnKqqeDYG4mV7Z4zLXFRvD/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/wood-gas-fed-at-ic-motor-3d-model-skp.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/3d-print-models/hobby-diy/mechanical-parts/wood-gas-fed-at-ic-motor","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":14,"name":".skp","is_native":false}],"categorySlug":"hobby-diy","subcategorySlug":"mechanical-parts","categoryTitle":"Hobby \u0026 DIY","subcategoryTitle":"Mechanical parts","schemaImageUrl":"https://img-new.cgtrader.com/items/66189/d2aae9e557/wood-gas-fed-at-ic-motor-3d-model-d2aae9e557.webp","saleOffDiscount":70,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":false}},{"id":"2242560","type":"listingItem","attributes":{"id":2242560,"title":"Concept Opposed piston Engine ","price":45.0,"description":"My design for a new type of internal combustion engine, Using a crankshaft and a counter rotating eccentric lobe, which are kept in sync with a simple gear system. This is simply a different way of building the short block of an engine...with many advantages..such as reduced friction..smaller size..far less moving parts, higher revs, more power, and so on. This concept could be used in engines of any size or cylinder number..even a one cylinder configuration is possible. I left out the main crankshafts counter weights in my animation so that the concept could be shown clearer, also an engine built in a 4 cylinder or configuration would be much easier to balance. And here are the technical specs....... There would be one or two ring gears (with teeth numbering 2x) attached to or part of the pistons surrounding the crankshafts with their diameter equal to the throw of both crankshafts combined or (2y). One or two gears (with teeth numbering x and diameter equal to y) attached to the primary crankshaft affixed to the rod journal so that they ride inside of the ring gear(s). The main crankshaft and secondary (or eccentric lobe) will have the same offset, therefor if each crankshaft has a throw of two inches the pistons would then travel a total of four inches. The engine would have a minimum of two pistons, each set of opposing pistons are bolted together, making one solid unit. This engine would have opposing pistons similar to a Boxer engine configuration, with the exception that the pistons are directly across from one another. The cylinders and heads will work the same as they do in a conventional engine. The benefits of this design; There are no connecting rods. So the engine should be able to withstand much higher RPMs than a conventional engine. This design also insures that the pistons will stay in-line with the cylinders, and therefor reducing friction. There are also less moving parts, a 4-cylinder engine built using this design would have only 5 moving parts in the short block, as opposed to the 9 moving parts found in conventional 4-cylinder engines. Components; A. The crankshaft, a standard looking engine crankshaft, with the exception of the gear(s) permanently affixed to the rod journal, with teeth numbering x. The diameter of the gear(s) is equal to the throw of the main crankshaft or y. B. The secondary crankshaft, or eccentric lobe is round with an offset hole that the main crankshafts (A) rod journal rides in. C. The pistons, which when bolted together form one solid unit from piston to piston. . They have a hole in the middle where the main (A) and secondary (B) crankshaft ride. D. Ring gear(s), with teeth numbering 2x. The gear(s) that are affixed to the main crankshaft (A) ride inside this ring gear(s). The diameter or the ring gear(s) is equal to the throw of both crankshaft and eccentric lobe combined or (2y). 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This motor is designed specifically for running on 2++ generation biofuels. The upper 2 models show 2 setups with only an internal combustion motor (one running on 2nd generation bioalcohols -ie bioethanol, biomethanol or biobutanol- the other running on bioethanol or nitrous oxide). The lower 2 models show 2 setups with both an internal combustion and a (alpha-type) stirling motor. The efficiency of the first two are about 30%, the lower two have a 70% efficiency. Due to the large size however of the lower 2 (Beta-stirling motors are smaller) are mostly intented for stationary use, ie to generate electricity using alternators, … The models with motors that can run on 2 fuels (ethanol/nitrous oxide), do so using seperate lines (the fuels are not mixed). Due to the high temperature required to ignite nitrous oxide, the motor is switched to nitrous oxide once the motor is sufficiently hot (from first running on ethanol). 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