SolidWorks SAE Baja Tutorials

We like to make the whole structure into a single 3D sketch, wich makes it easier to change parameters (we never used the first thing we designed, a lot of tuning in the process, so you can have the lightest, easier to build structure) so editing in context and the creation of relationships between parts are much more efficient to be done in assembly, so you only have to design once, the way you did it you can make it in context, but would be much more difficult, and with my experience, with a lot of errors.

I'd rather just create the planes inside the 3d sketch, making that, i can even remove a line from the plane if i need to.

This decision to make everything at once, makes it easier to change the order of what i did. so the lines will dependend on each other rather than being defined by the Firewall for instance.

Also, why design the whole structure when you can make half and then mirror it, the only tube is the LBD, wich you can Extend to the mirror, That save us a lot of time.

I saw the video on formula SAE, we use a technique to make the tabs, just make the sketch for the tab on the point of the geometry, and make it extruded, then cut extruded from the center plane.

The video is a good initiative, but i think you talked to the wrong people from Baja SAE before doing it (the Formula SAE is much more adequate than this one). I'm from brazil, at least here, all the top teams use Adams or similar software to analise the suspension and the structure is the last thing to design.

That's my opinion and ideas on this subject, hope it helps.