sir i am doing my Mtech i am doing my thesis in the automobile piston can you please give the dimensions of any vehicle so that it would be helpful for me to design a piston.

sir i am doing my Mtech i am doing my thesis in the automobile piston can you please give the dimensions of any vehicle so that it would be helpful for me to design a piston.

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Hi sahil,

Most probably engineers or any company would not share standard dimensions moreover you should use others dimensions on you MTECH thesis work that will be a copyright issue.

My suggestion to you is go to any automobile repair shop spend some time in measuring the parts by reverse engineering you modify the existing dimension with your assumption and then you can use.

Best way is reverse engineering but still you need to modify the data.

 
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For any engine cylinder dimensions can be worked out from a few basic details. Start with desired engine displacement and number of cylinders engine will have. Other factors to consider, longer stroke, slower revolution more torque, shorter stroke larger bore higher revolutions. Also linear speed of piston moving up, then changes direction at top and bottom introduces forces that stress these parts which is a limiting factor. Designing a workable engine and its piston assembly is a complex process, so if this is the case I hope you have, along with plenty of available time, a good understanding of mechanics, thermodynamics fluid mechanics, all knowledge to design an engine suitable for an automobile. What I suspect you are being required to do, as part of your studies, is to produce a 3D model of an automobile piston, not quite the same thing as designing an engine and its parts from scratch. For this find an old one and measure it to make a model, or you could even make up some dimensions about right for a 2000cc four cylinder engine. Each cylinder would have a swept volume of about 500 cc. Make the bore diameter about the same as the stroke, which would give a bore dia of around 86mm. Find out as much as you can by a bit of research into basic concepts as regards to modern internal combustion engine pistons and go from there

 
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