MAX Update No. 95: Drawing a Blank and Drafting With DraftSight

| 8/23/2012 10:48:05 AM

Tags: MAX, 100 mpg, fuel economy, fabrication, CAD, Jack McCornack,

I’m done with drawings. I don’t intend to have any more drawings in my instructions, or on my web site, or in this blog for that matter.

If you go through the Kinetic Vehicles web site you’ll find lots of computer drawings for how to make this and that, but I’m replacing them with DraftSight .dwg documents, which are two dimensional CAD (Computer Aided Design) files and a whole lot more useful than drawings. If you keep reading, I’ll tell you why, and I’m going to use MAX’s engine mounts as an example.


It’s dark and crowded under MAX’s hood, so I’m using a water bottle as an engine substitute and a 2x4 as a chassis substitute. The upper half of the engine mount bolts to the engine, the lower half bolts (or welds if you prefer) to the chassis, and a rubber damper fits between them. It’s a somewhat complex bit of steel origami, so I want to give precise instructions on how to make your own—a description isn’t going to cut it, and a drawing is going to leave you with a lot of work, so my new standard is .dwg documents generated by DraftSight.

DraftSight is published by Dassault Systèmes, and in interest of full disclosure I must admit that Dassault gave me free copies of DraftSight for all my computers, both Mac and PC, and…

Wait a minute. They’ll give you a copy of DraftSight for free too. They give away DraftSight to anybody that wants it. It’s a professional grade 2D CAD program, it’s available for Windows, Mac and Linux operating systems, it’s not a trial copy, it’s not going to expire, it doesn’t want to see your student ID; it’s world class software and it’s absolutely free.

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