Solid-works Rotary Model Package
 

Hello!
My name is Joe Wilson I am a student at eastern Washington university studying mechanical engineering, I do not own a rotary but I do own a turbo Miata. For a couple of weeks now I have been working making a Rotary Engine model that I can 3d print, Yesterday I was successful!
I've attached a little program/package I have been working on to help aid in the design of simple rotary machines! ( I used this as a starting point for my 3d print project) I was wondering if I could get some help in improving this package, All the geometry besides the housing equations was derived by me so if you see and error please let me know!

The reason I am using mat lab for the housing is because for some reason I get errors when evaluating a a curve for 2pi!

Here i have copy and pasted my instructions in the package:







1. Open mat lab and run the Rotary_Housing function with different E,R values depending on your desired size, I provided sample values in the mat lab file

2.HHS is a value that shows you the center to the side of the housing, the height will be slightly larger than CT, use these to gauge how big you want your engine

3. “1” is denoted as true in my code if the value is not measurable so self_int = 1 indicates your housing will not work. Concave and Convex, are to lead you to open one of the two assembly’s! NOTE: convex rotors are quite buggy for me, in encourage you to use my convex solid works files and starting points…not final products.

4.Open convex or Concave and import the Equations file, under tools-equations if not already loaded.

5. Edit the Housing Curve and import the respective housing data for needs!

6.Edit and Modify my base files to your hearts content…PLEASE provide credit If possible :)

Contact Info:

@pistonsoup on Instagram (if your into drifting ;)!)

Joe.wilson.iii@outlook.com for email!

I encourage you to please provide criticism of any kind

Sources:

Nash, David H. “Rotary Engine Geometry.” Mathematics Magazine, vol. 50, no. 2, 1977, pp. 87–89. JSTOR, www.jstor.org/stable/2689731.


Norbye, Jan P. The Wankel Engine: Design, Development, Applications. Chilton Book Co., 1975.



(housing equations and geometric help)