CAD drawing of 12a
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CAD drawing of 12a
sorry for two brand new posts back to back. i am in search of a CAD drawing of a 12a. also, if someone could help me find as much original mazda info as possible, i'm looking for combustion chamber specs, engine dimensions, anything and everything i can get my hands on involving development and function of the engine.
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I made a model of an RE for my mechanical design class last year using the equations in that Yamamoto book^.
There are two variables that change the eccentricity and radius, and there's a certain ratio to make it work in a wankel. To get the dimensions from an engine, the variables are the distances from the center of the eccentric shaft to the center of the eccentric lobe and (I think) the tip of the rotor.
Here's the one I made, a cross between an air cooled housing and a "fuel through the rotor" design of the Aixro cart engine:
There are two variables that change the eccentricity and radius, and there's a certain ratio to make it work in a wankel. To get the dimensions from an engine, the variables are the distances from the center of the eccentric shaft to the center of the eccentric lobe and (I think) the tip of the rotor.
Here's the one I made, a cross between an air cooled housing and a "fuel through the rotor" design of the Aixro cart engine:
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I think he's on the hunt for something that I've been on a hunt on for a while, which is a cad model will all the outside mounting holes of everything and what not. It would make my life 100 times easier to make parts. Just draw, send to laser cutter, weld and install lol.
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thanks, the equations in that book will very helpful. what program did you use to design that drawing? yeah, i don't just want it to make parts, but also to work out some problems in this theoretical engine design i want to try out. glad there are a few more people posting on here though, thanks for all the help so far.
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SolidWorks kicks ***. I'm still fairly useless with it, but it has some really cool stuff. I'd love to get a drawing of a Wankel engine in there to play around with.
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solidworks does work pretty good ... but it can be a bit dificult to learn and operate (more than just drawing simple drawing, like FEA, flow through etc.)
Not to mention requires alot of processing power sometimes to make it workable. So if you have a mediocre computer, it might not run it so nicely at all. I've seen computer take almost a whole night trying to get a program loaded. Mind you they were pretty big and detailed things but still.
Not to mention requires alot of processing power sometimes to make it workable. So if you have a mediocre computer, it might not run it so nicely at all. I've seen computer take almost a whole night trying to get a program loaded. Mind you they were pretty big and detailed things but still.
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[QUOTE=j_tso;9989836]What do you mean by configurations? Different size rotors?
different rotor shapes, sizes, different combustion chamber shapes, and there are some other things to consider, because of what i'm doing. i'm still trying to design a diesel rotary that works properly. so far, every one that's out there does not make use of the reasons for using diesel. having it in a program as opposed to setting up 10 or 15 different engines would be way cooler. i believe i will see what i can do with that solid works program. thanks a ton for all the feedback, it's really appreciated.
different rotor shapes, sizes, different combustion chamber shapes, and there are some other things to consider, because of what i'm doing. i'm still trying to design a diesel rotary that works properly. so far, every one that's out there does not make use of the reasons for using diesel. having it in a program as opposed to setting up 10 or 15 different engines would be way cooler. i believe i will see what i can do with that solid works program. thanks a ton for all the feedback, it's really appreciated.